CN220144430U - Multi-section bending pipe forming die - Google Patents

Multi-section bending pipe forming die Download PDF

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Publication number
CN220144430U
CN220144430U CN202321443028.3U CN202321443028U CN220144430U CN 220144430 U CN220144430 U CN 220144430U CN 202321443028 U CN202321443028 U CN 202321443028U CN 220144430 U CN220144430 U CN 220144430U
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die
clamping
bending
grooves
pipe workpiece
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CN202321443028.3U
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Chinese (zh)
Inventor
施冬南
江祥辉
黄铭伟
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Crosscon Industries LLC
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Crosscon Industries LLC
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Abstract

The utility model discloses a multi-section bending pipe forming die, wherein more than two main die grooves are formed in the bending side face of a bending die, more than two auxiliary die grooves are formed in the side face of a pressure die, and the main die grooves and the auxiliary die grooves are matched to form a die cavity; the side surface of the bending die is provided with more than two first clamping grooves, the side surface of the clamping die is provided with more than two second clamping grooves, and the first clamping grooves and the second clamping grooves are matched to form a clamping cavity; the limiting component is connected to the side surface of the clamping die or the side surface of the bending die and is used for limiting the end part of the pipe workpiece along the length direction of the pipe workpiece; according to the clamping cavity and the bent part of the pipe workpiece, the clamping force of the bending forming die on the pipe workpiece is stable, so that the friction force between the clamping cavity and the bent part of the pipe workpiece is kept constant, the bending efficiency of the pipe workpiece is improved, the quality of a finished product after the pipe workpiece is bent is effectively guaranteed and even improved, and the bending efficiency of the pipe workpiece is remarkably improved.

Description

Multi-section bending pipe forming die
Technical Field
The utility model relates to the technical field of bending forming dies, in particular to a multi-section bending pipe forming die.
Background
Elbows, particularly metal elbows, find use in many applications, such as in the automotive industry, where a large number of metal elbows having multiple bend angles and bend directions are used to make hydraulic or pneumatic tubing, particularly tubing in automotive braking and air conditioning systems.
At present, a metal pipe is usually processed by using a pipe bending machine, in the actual use process, in order to bend and form a bent pipe shown in a figure I, when the bent pipe needs a plurality of bending requirements, a bending die with a single die cavity cannot bend and form, and different types of bending dies need to be replaced continuously, so that the operation is complicated, and the cost is increased; the bending die of the aluminum pipe is frequently replaced, so that the efficiency of bending the pipe is affected.
Disclosure of Invention
In the prior art, the utility model aims to provide a pipe forming die which is convenient to install and reasonable in structure.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the multi-section bending pipe molding die comprises a clamping die, a bending die, a limiting assembly and a pressure die;
the bending side surface of the bending die is provided with more than two main die grooves, the side surface of the pressure die is provided with more than two auxiliary die grooves, the main die grooves and the auxiliary die grooves are arranged in a one-to-one correspondence manner, and the main die grooves and the auxiliary die grooves are matched to form a die cavity for bending a pipe workpiece; the side surface of the bending die is provided with more than two first clamping grooves, and the main die grooves are communicated with the first clamping grooves in a one-to-one correspondence manner; the side surface of the clamping die is provided with more than two second clamping grooves, the first clamping grooves and the second clamping grooves are arranged in a one-to-one correspondence manner, and the first clamping grooves and the second clamping grooves are matched to form a clamping cavity for clamping a pipe workpiece;
the limiting component is connected to the side face of the clamping die or the side face of the bending die and is used for limiting the end portion of the pipe workpiece along the length direction of the end portion of the pipe workpiece.
Furthermore, the clamping cavity is matched with the bent part of the pipe workpiece, and is used for clamping the bent part of the pipe workpiece.
Still further, spacing subassembly detachably connects on the side of pressing from both sides the mould, and spacing subassembly is located the one end that the second centre gripping groove kept away from the pressure mould.
Furthermore, the limiting assembly comprises a connecting block and a stop block, the connecting block is connected to the side face of the clamping die through a screw, a connecting hole is formed in the connecting block, and one end of the stop block is inserted into the connecting hole;
the end, far away from the pressure die, of the second clamping groove is provided with a mounting groove, and a constraint block is detachably connected in the mounting groove; the other end of the stop block extends to one side, far away from the pressure die, of the clamping cavity, and the stop block is used for being matched with the constraint block to constrain the end of the pipe workpiece along the axial direction of the pipe workpiece.
Further, the limiting component is detachably connected to one side, away from the bending side surface, of the bending die.
Still further, spacing subassembly includes the joint piece, one side that the bending die was kept away from to the joint piece is equipped with the standing groove with its tip looks adaptation of tubular product work piece, the both sides lateral wall of standing groove all is equipped with spacing, and this spacing is used for retraining the tip of tubular product work piece in the standing groove.
Furthermore, the auxiliary die grooves are arranged on the side face of the pressure die along the length direction of the pressure die, and the plurality of auxiliary die grooves are arranged in parallel.
By adopting the technical scheme, compared with the prior art, the utility model has the beneficial effects that:
the bending device can realize bending of the pipe fitting with more bending sections and shorter straight sections of two adjacent bending sections, ensures the bending quality of the pipe fitting, and improves the bending efficiency of the pipe fitting. The cylindrical cavity and the composite cavity are arranged at the same time, so that the bending device can be suitable for bending of non-use type pipe fittings and bending of different bending sections of the same pipe fitting.
The clamping cavity is matched with the bent part of the pipe workpiece; in the bending process, the clamping force of the bending forming die on the pipe workpiece is stable, so that the friction force between the clamping cavity and the bent part of the pipe workpiece is kept constant, the bending efficiency of the pipe workpiece is improved, the quality of a finished product after the pipe workpiece is bent is effectively ensured and even improved, and the bending processing efficiency of the pipe workpiece is remarkably improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a pipe work of the present utility model.
Fig. 2 is a schematic diagram of the overall structure of the pipe molding die of the present utility model.
Fig. 3 is a schematic structural view of the bending die of the present utility model.
Fig. 4 is a schematic structural view of the clamping die of the present utility model.
Fig. 5 is a schematic structural view of a pipe forming mold in a first bending state according to the present utility model.
Fig. 6 is a schematic view showing an internal structure of a pipe forming die in a first bending state according to the present utility model.
Fig. 7 is a schematic structural view of the pipe forming mold in the second bending state according to the present utility model.
Fig. 8 is a schematic structural view of a pipe forming mold in a third bending state according to the present utility model.
Fig. 9 is a schematic structural view of a first embodiment of a limiting assembly according to the present utility model.
Fig. 10 is a schematic structural view of a second embodiment of the spacing assembly of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in one of fig. 1 to 10, in order to bend a multi-section bent pipe workpiece 5, the present embodiment provides a multi-section bent pipe forming mold, which includes a clamping mold 3, a bending mold 2, a limiting component 4, and a pressure mold 1;
referring to fig. 2-4, the bending side of the bending die 2 is provided with more than two main die grooves 21, the side of the pressure die 1 is provided with more than two auxiliary die grooves 11, the main die grooves 21 and the auxiliary die grooves 11 are arranged in a one-to-one correspondence, and the main die grooves 21 and the auxiliary die grooves 11 are matched to form a die cavity for bending the pipe workpiece 5; the side surface of the bending die 2 is provided with more than two first clamping grooves 22, and the main die grooves 21 are correspondingly communicated with the first clamping grooves 22 one by one; the side surface of the clamping die 3 is provided with more than two second clamping grooves 31, the first clamping grooves 22 and the second clamping grooves 31 are arranged in one-to-one correspondence, and the first clamping grooves 22 and the second clamping grooves 31 are matched to form a clamping cavity for clamping the pipe workpiece 5; the clamping cavity is matched with the bent part of the pipe workpiece 5 and is used for clamping the bent part of the pipe workpiece 5; the auxiliary mold grooves 11 are formed in the side surface of the pressure mold 1 along the length direction of the pressure mold 1, and the plurality of auxiliary mold grooves 11 are arranged in parallel.
By adopting the technical scheme, the first clamping groove 22 and the second clamping groove 31 are arranged, and the first clamping groove 22 and the second clamping groove 31 are matched with the bent part of the pipe workpiece 5; the clamping cavity formed by the first clamping groove 22 and the second clamping groove 31 can clamp the bent part of the pipe workpiece 5;
referring to fig. 5 to 8, the clamping cavities clamp the bent portion of the pipe work 5, and at least two clamping cavities are provided between the clamping die 3 and the bending die 2; the clamping cavities are sequentially matched with each bent part of the pipe workpiece 5, and the bent parts of the pipe workpiece 5 are clamped to realize bending of the part to be bent of the pipe workpiece 5, so that the pipe workpiece 5 can be continuously bent for multiple times in one pipe forming die;
firstly, placing the bent part of the pipe workpiece 5 in a semicircular arc groove of the bending die 2, and then clamping and fixing the clamping die 3 and the bending die 2 together; then, the straight pipe end of the bent pipe is rolled by a main die groove 21 arranged on the arc-shaped side surface of the bending die 2, so as to obtain a pipe fitting with multi-section bending.
The clamping cavity arranged in the scheme is matched with the bent part of the pipe workpiece 5; in the bending process, the clamping force of the bending forming die on the pipe workpiece 5 is stable, so that the friction force between the clamping cavity and the bent part of the pipe workpiece 5 is kept constant, the bending efficiency of the pipe workpiece 5 is improved, the quality of a finished product after the pipe workpiece 5 is bent is effectively ensured and even improved, and the bending efficiency of the pipe workpiece 5 is remarkably improved.
As shown in fig. 5 to 8, a limiting assembly 4 is attached to a side of the clamping die 3 or a side of the bending die 2, and the limiting assembly 4 is used for limiting an end of the pipe workpiece 5 along a length direction thereof.
The arrangement of the limiting component 4 is adopted, the limiting component 4 is detachably connected, so that the mounting position of the limiting component 4 is convenient to adjust, and the limiting component is convenient to be matched with the clamping die 3 and the bending die 2 to restrain the end part of the pipe workpiece 5; due to the detachable arrangement of the limiting component 4, the position and the corresponding connection structure of the limiting component 4 can be adjusted according to different structures and different lengths of the end part of the pipe workpiece 5, and the end part of the pipe workpiece 5 can be restrained; in the bending process of the pipe workpiece 5, the relative displacement of the pipe workpiece 5 is effectively prevented, and the possibility of sliding of the pipe workpiece 5 is reduced, so that the bending accuracy and stability of the pipe workpiece 5 are ensured; the application range of the bent pipe forming die is enlarged, and the practicability of the bent pipe forming die is further improved.
As shown in fig. 5, 6, 7 and 9, in order to realize the constraint of the pipe workpiece 5 along the axial direction thereof, the present solution provides a first embodiment of the limiting assembly 4; the limiting component 4 is detachably connected to the side face of the clamping die 3, and the limiting component 4 is positioned at one end of the second clamping groove 31 far away from the pressure die 1; the limiting assembly 4 comprises a connecting block 41 and a stop block 42, wherein the connecting block 41 is connected to the side face of the clamping die 3 through a screw, a connecting hole is formed in the connecting block 41, and one end of the stop block 42 is inserted into the connecting hole; the end, far away from the pressure die 1, of the second clamping groove 31 is provided with a mounting groove 32, and a restraint block 6 is detachably connected in the mounting groove 32; the other end of the stopper 42 extends to a side of the clamping chamber away from the pressure die 1, and the stopper 42 is adapted to cooperate with the restraint block 6 to restrain the end of the pipe work 5 in its axial direction.
Through adopting above-mentioned technical scheme, adopt the setting of connecting block 41 and dog 42, wherein dog 42 adopts the modular design, can carry out corresponding heel according to the shape and the length of tubular product work piece 5 its tip and trade for dog 42 and restraint piece 6 cooperate and retrain tubular product work piece 5's tip, have effectively avoided the centre gripping chamber to cause tubular product work piece 5's pipe wall wrinkling and the stretch-break scheduling problem of tubular product work piece 5 its tip's centre gripping.
Meanwhile, the pipe workpiece 5 is restrained along the axial direction by the cooperation of the stop block 42 and the restraining block 6, so that the clamping force of the bending forming die on the pipe workpiece 5 is effectively reduced, the phenomenon that the bending forming die exerts excessive force on the bent part of the pipe workpiece 5 is avoided, and the bent part cannot generate deformation during bending.
In addition, the constraint block 6 adopts a modularized design, so that the end parts of pipe workpieces 5 with different shapes and different lengths can be conveniently clamped, the application range of the bending forming die is enlarged, and the practicability of the bending forming die is further improved;
as shown in fig. 8 and 10, in order to realize the restraint of the pipe work 5 along the axial direction thereof, the present solution provides a second embodiment of the limiting assembly 4; the limiting component 4 is detachably connected to one side, away from the bending side surface, of the bending die 2; the limiting assembly 4 comprises a clamping block 43, a placing groove 44 matched with the end part of the pipe workpiece 5 is formed in one side, far away from the bending die 2, of the clamping block 43, limiting strips 45 are arranged on the side walls of two sides of the placing groove 44, and the limiting strips 45 are used for restraining the end part of the pipe workpiece 5 in the placing groove 44.
By adopting the technical scheme, the axial constraint problem of the pipe workpiece 5 after being bent for a plurality of times is solved by arranging the clamping blocks 43; the clamping of the clamping block 43 is utilized, so that the end part of the clamping block 43 cannot displace in the bending process; meanwhile, the first clamping groove 22 and the second clamping groove 31 are matched with each other, so that the pipe workpiece 5 is clamped conveniently; further, the possibility of sliding of the pipe workpiece 5 in the pipe bending process is reduced, and therefore bending accuracy and stability of the pipe workpiece 5 are ensured;
in addition, the multiple bending parts of the pipe workpiece 5 are suspended, so that the processing and design difficulties of the clamping cavity are effectively reduced.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. A multistage crooked tubular product forming die, its characterized in that: the forming die comprises a clamping die (3), a bending die (2), a limiting assembly (4) and a pressure die (1);
more than two main die grooves (21) are formed in the bending side face of the bending die (2), more than two auxiliary die grooves (11) are formed in the side face of the pressure die (1), the main die grooves (21) and the auxiliary die grooves (11) are arranged in a one-to-one correspondence mode, and the main die grooves (21) and the auxiliary die grooves (11) are matched to form a die cavity for bending a pipe workpiece (5); more than two first clamping grooves (22) are formed in the side face of the bending die (2), and the main die grooves (21) are communicated with the first clamping grooves (22) in a one-to-one correspondence manner; the side surface of the clamping die (3) is provided with more than two second clamping grooves (31), the first clamping grooves (22) and the second clamping grooves (31) are arranged in a one-to-one correspondence manner, and the first clamping grooves (22) and the second clamping grooves (31) are matched to form a clamping cavity for clamping the pipe workpiece (5);
the limiting component (4) is connected to the side face of the clamping die (3) or the side face of the bending die (2), and the limiting component (4) is used for limiting the end portion of the pipe workpiece (5) along the length direction of the end portion.
2. The multi-section bent pipe molding die according to claim 1, wherein: the clamping cavity is matched with the bent part of the pipe workpiece (5), and is used for clamping the bent part of the pipe workpiece (5).
3. The multi-section bent pipe molding die according to claim 1, wherein: the limiting component (4) is detachably connected to the side face of the clamping die (3), and the limiting component (4) is located at one end, far away from the pressure die (1), of the second clamping groove (31).
4. A multi-section bent pipe molding die according to claim 3, wherein: the limiting assembly (4) comprises a connecting block (41) and a stop block (42), the connecting block (41) is connected to the side face of the clamping die (3) through a screw, a connecting hole is formed in the connecting block (41), and one end of the stop block (42) is inserted into the connecting hole;
an installation groove (32) is formed in one end, far away from the pressure die (1), of the second clamping groove (31), and a constraint block (6) is detachably connected in the installation groove (32); the other end of the stop block (42) extends to the side, far away from the pressure die (1), of the clamping cavity, and the stop block (42) is used for being matched with the restraining block (6) to restrain the end portion of the pipe workpiece (5) along the axial direction of the pipe workpiece.
5. The multi-section bent pipe molding die according to claim 1, wherein: the limiting component (4) is detachably connected to one side, far away from the bending side surface, of the bending die (2).
6. The multi-section bent pipe molding die according to claim 5, wherein: spacing subassembly (4) include joint piece (43), one side that bending die (2) was kept away from to joint piece (43) is equipped with standing groove (44) with tubular product work piece (5) its tip looks adaptation, the both sides lateral wall of standing groove (44) all is equipped with spacing (45), and this spacing (45) are used for retraining tubular product work piece (5) tip in standing groove (44).
7. The multi-section bent pipe molding die according to claim 1, wherein: the auxiliary die grooves (11) are formed in the side face of the pressure die (1) along the length direction of the pressure die (1), and the plurality of auxiliary die grooves (11) are arranged in parallel.
CN202321443028.3U 2023-06-07 2023-06-07 Multi-section bending pipe forming die Active CN220144430U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321443028.3U CN220144430U (en) 2023-06-07 2023-06-07 Multi-section bending pipe forming die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321443028.3U CN220144430U (en) 2023-06-07 2023-06-07 Multi-section bending pipe forming die

Publications (1)

Publication Number Publication Date
CN220144430U true CN220144430U (en) 2023-12-08

Family

ID=89019695

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321443028.3U Active CN220144430U (en) 2023-06-07 2023-06-07 Multi-section bending pipe forming die

Country Status (1)

Country Link
CN (1) CN220144430U (en)

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