阅读说明：本技术 一种钛合金管件冲压用专用模具 (Special die for stamping titanium alloy pipe fitting ) 是由 张俊喜 郭小汝 梁补女 岳武 陈白明 于 2021-09-09 设计创作，主要内容包括：本发明涉及一种模具设备,具体是一种钛合金管件冲压用专用模具,包括模具本体,所述模具本体中央开设有贯通的凹陷部,在所述凹陷部内活动设置有活动体,在所述模具本体两侧与所述活动体的中央均设置有供钛合金管件固定的凹槽；在所述模具本体与所述活动体之间设置有用于驱动所述活动体顺着所述模具本体中央开设的凹陷部升降的高度调节机构,且在所述模具本体的两侧对称设置有夹紧机构；所述夹紧机构通过传动组件与所述高度调节机构连接。通过活动体上的凹槽对钛合金管件冲压时的行程进行约束,使钛合金管件在冲压时,利用模具本体和活动体之间的高度差形成弯曲状,适合生产钛合金弯头或弯管。(The invention relates to die equipment, in particular to a special die for stamping a titanium alloy pipe fitting, which comprises a die body, wherein a through concave part is formed in the center of the die body, a movable body is movably arranged in the concave part, and grooves for fixing the titanium alloy pipe fitting are formed in the two sides of the die body and the center of the movable body; a height adjusting mechanism for driving the movable body to ascend and descend along a concave part arranged in the center of the die body is arranged between the die body and the movable body, and clamping mechanisms are symmetrically arranged on two sides of the die body; the clamping mechanism is connected with the height adjusting mechanism through a transmission assembly. The stroke of the titanium alloy pipe fitting during stamping is restrained through the groove in the movable body, so that the titanium alloy pipe fitting is bent by utilizing the height difference between the die body and the movable body during stamping, and the die is suitable for producing titanium alloy elbows or elbows.)

1. The special die for stamping the titanium alloy pipe fitting is characterized by comprising a die body (1), wherein a through concave part is formed in the center of the die body (1), a movable body (2) is movably arranged in the concave part, and grooves for fixing the titanium alloy pipe fitting are formed in the two sides of the die body (1) and the center of the movable body (2);

a height adjusting mechanism for driving the movable body (2) to ascend and descend along a concave part formed in the center of the die body (1) is arranged between the die body (1) and the movable body (2), and clamping mechanisms for clamping titanium alloy pipe fittings placed in grooves on the die body (1) and the movable body (2) while adjusting the height of the movable body (2) through the height adjusting mechanism are symmetrically arranged on two sides of the die body (1);

the clamping mechanism is connected with the height adjusting mechanism through a transmission assembly.

2. The special die for stamping the titanium alloy pipe fitting as claimed in claim 1, wherein the height adjusting mechanism comprises a bidirectional screw rod (5) rotatably arranged below the die body (1) and screw sleeves (6) symmetrically arranged at two sides of the bidirectional screw rod (5), and the screw sleeves (6) are connected with the bottom of the movable body (2) through connecting rods (7);

one end of the connecting rod (7) is rotatably connected with the threaded sleeve (6), and the other end of the connecting rod is rotatably connected with the bottom of the movable body (2);

the two-way screw rods (5) are divided into two groups, wherein the end of one group of the two-way screw rods (5) is fixed with an adjusting wheel (4), and the two groups of the two-way screw rods (5) are connected through two gears (8).

3. The special die for stamping the titanium alloy pipe fitting as claimed in claim 2, wherein each of four corners of the movable body (2) is provided with a counter bore, each of four corners of the die body (1) is fixed with a lifting column (3), and the lifting columns (3) are in sliding fit with the counter bores of the four corners of the movable body (2).

4. The special die for stamping the titanium alloy pipe fitting as claimed in claim 2, wherein the clamping mechanism comprises accommodating cavities (19) arranged on the inner sides of two sides of the die body (1), a clamping member (18) arranged in the accommodating cavities (19) in a sliding manner, and a telescopic arm (17) fixed at the tail end of the clamping member (18);

a through groove (21) for the telescopic arm (17) to pass through in a sliding mode is formed in the die body (1), and the transmission assembly is connected with the telescopic arm (17) and the bidirectional screw rod (5).

5. The special die for stamping the titanium alloy pipe fitting as claimed in claim 4, wherein the transmission assembly comprises an elastic structure connecting the telescopic arm (17) and a pulling structure connecting the elastic structure and the bidirectional screw rod (5);

the elastic structure is arranged along the central axis of the telescopic arm (17), the traction structure drives the two-way screw rod (5) to move up the movable body (2), and the elastic structure drives the telescopic arm (17) and the through groove (21) to be in sliding fit with the clamping piece (18) to be pushed out of the accommodating cavity (19).

6. The special die for stamping the titanium alloy pipe fitting as recited in claim 5, wherein the elastic structure comprises a loop bar fixed at the central axis of the tail end of the telescopic arm (17), a sleeve (15) slidably sleeved with the loop bar, a push plate (13) fixed at one end of the sleeve (15) far away from the loop bar, and a pressure spring (16) elastically connecting the sleeve (15) and the loop bar;

one end of the pressure spring (16) is abutted against the end part of the sleeve (15), the other end of the pressure spring is abutted against the tail end of the telescopic arm (17), and the traction structure is connected with the push plate (13).

7. The special die for stamping the titanium alloy pipe fitting as claimed in claim 6, wherein guide holes are formed in the outer side walls of the two sides of the die body (1), a slide rail (14) is fixed on the push plate (13), and the slide rail (14) is in sliding fit with the guide holes;

and two sides of the lower part of the die body (1) are provided with through grooves (20) for the traction structure to be connected with the bidirectional screw rod (6).

8. The special die for stamping the titanium alloy pipe fitting as claimed in claim 7, wherein the drawing structure comprises a rotating shaft (10) rotatably arranged on the outer wall of the die body (1), and the rotating shaft (10) penetrates through the through groove (20) through a transmission piece (9) to be connected with the central part of the bidirectional screw rod (6);

around having steel wire (11) in pivot (10), the one end of steel wire (11) with pivot (10) are fixed, and the other end is with push pedal (13) are fixed, and rotate on the outer wall of mould body (1) and install and change roller (12), steel wire (11) are walked around change roller (12) and connect pivot (10) with push pedal (13).

Technical Field

The invention relates to die equipment, in particular to a special die for stamping a titanium alloy pipe fitting.

Background

The processing method of the titanium alloy pipe fitting is various. Any of these machining methods falls under the category of machining, and among them, the most used are stamping, forging, rolling, bulging, drawing, bending, and combined machining methods.

Wherein the forging method is to use a swaging machine to punch and extend the end of the pipe or a part of the pipe to reduce the outer diameter, and the conventional swaging machine has a rotary type, a connecting rod type, and a roller type. The stamping method is to expand the pipe end to the required size and shape by using a tapered core on a punch press.

At present, most of existing stamping dies, particularly stamping dies for titanium alloy pipe fittings, are fixed structures, and when stamping strokes are changed, adaptive adjustment cannot be performed, so that a single die can only be used for titanium alloy bent pipes of a certain specific specification.

Disclosure of Invention

The invention aims to provide a special die for stamping a titanium alloy pipe fitting, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a special die for stamping a titanium alloy pipe fitting comprises a die body, wherein a through concave part is formed in the center of the die body, a movable body is movably arranged in the concave part, and grooves for fixing the titanium alloy pipe fitting are formed in the two sides of the die body and the center of the movable body;

a height adjusting mechanism for driving the movable body to ascend and descend along a concave part formed in the center of the die body is arranged between the die body and the movable body, and clamping mechanisms for clamping the titanium alloy pipe fittings placed in the grooves on the die body and the movable body while the height of the movable body is adjusted by the height adjusting mechanism are symmetrically arranged on two sides of the die body;

the clamping mechanism is connected with the height adjusting mechanism through a transmission assembly.

As a further scheme of the invention: the height adjusting mechanism comprises a bidirectional screw rod rotatably arranged below the die body and threaded sleeves symmetrically arranged on two sides of the bidirectional screw rod, and the threaded sleeves are connected with the bottom of the movable body through connecting rods;

one end of the connecting rod is rotatably connected with the threaded sleeve, and the other end of the connecting rod is rotatably connected with the bottom of the movable body;

the two-way screw rods are divided into two groups, adjusting wheels are fixed at the ends of one group of the two-way screw rods, and the two groups of the two-way screw rods are connected through two gears.

As a still further scheme of the invention: the four corners of the movable body are respectively provided with a counter bore, the four corners of the die body are respectively fixed with a lifting column, and the lifting columns are in sliding fit with the counter bores at the four corners of the movable body.

As a still further scheme of the invention: the clamping mechanism comprises accommodating cavities arranged on the inner sides of two sides of the die body, clamping pieces arranged in the accommodating cavities in a sliding mode, and telescopic arms fixed to the tail ends of the clamping pieces;

the die body is provided with a through groove for the telescopic arm to pass through in a sliding mode, and the transmission assembly is connected with the telescopic arm and the bidirectional screw rod.

As a still further scheme of the invention: the transmission assembly comprises an elastic structure connected with the telescopic arm and a traction structure connected with the elastic structure and the bidirectional screw rod;

the elastic structure is arranged along the central axis of the telescopic arm, the traction structure drives the movable body to move upwards through the elastic structure to drive the telescopic arm and the through groove to be in sliding fit with each other so as to push the clamping piece out of the accommodating cavity.

As a still further scheme of the invention: the elastic structure comprises a loop bar fixed on the central axis of the tail end of the telescopic arm, a sleeve in sliding fit with the loop bar, a push plate fixed on one end of the sleeve far away from the loop bar, and a pressure spring elastically connecting the sleeve and the loop bar;

one end of the pressure spring is abutted to the end of the sleeve, the other end of the pressure spring is abutted to the tail end of the telescopic arm, and the traction structure is connected with the push plate.

As a still further scheme of the invention: guide holes are formed in the outer side walls of the two sides of the die body, a sliding rail is fixed on the push plate, and the sliding rail is in sliding fit with the guide holes;

and both sides of the lower part of the die body are provided with penetrating grooves for the traction structure to be connected with the bidirectional screw rod.

As a still further scheme of the invention: the traction structure comprises a rotating shaft which is rotatably arranged on the outer wall of the die body, and the rotating shaft penetrates through the through groove through a transmission piece to be connected with the central part of the bidirectional screw rod;

around having the steel wire in the pivot, the one end of steel wire with the pivot is fixed, and the other end is with the push pedal is fixed, and is in rotate on the outer wall of mould body and install the commentaries on classics roller, the steel wire is walked around change the roller and connect the pivot with the push pedal.

Compared with the prior art, the invention has the beneficial effects that: because the movable body and the die body are both provided with the grooves, two ends of the titanium alloy pipe fitting can be lapped in the grooves at two ends of the die body, and the stroke of the titanium alloy pipe fitting during stamping is restrained by the grooves on the movable body, so that the titanium alloy pipe fitting is bent by utilizing the height difference between the die body and the movable body during stamping, and is suitable for producing titanium alloy elbows or elbows; and under the action of the clamping mechanism, the titanium alloy pipe fitting can be ensured not to deviate to the two sides of the concave part when being stressed in stamping.

Drawings

Fig. 1 is a schematic structural view of a special die for stamping a titanium alloy pipe.

Fig. 2 is a schematic structural diagram of another view angle of the special die for stamping the titanium alloy pipe fitting.

Fig. 3 is an isometric view of a special die for pressing a titanium alloy pipe.

Fig. 4 is a bottom view of the special die for pressing the titanium alloy pipe.

Fig. 5 is an exploded view of a die dedicated for punching a titanium alloy pipe.

Fig. 6 is a schematic diagram of the matching of the transmission assembly and the movable body in the special die for stamping the titanium alloy pipe fitting.

In the figure: 1-a mould body; 2-a movable body; 3-a lifting column; 4-a regulating wheel; 5-a bidirectional screw rod; 6-thread insert; 7-a connecting rod; 8-gear; 9-a transmission member; 10-a rotating shaft; 11-steel wire; 12-rotating the roller; 13-push plate; 14-a slide rail; 15-a sleeve; 16-a pressure spring; 17-a telescopic arm; 18-a clamp; 19-a containment chamber; 20-penetrating a groove; 21-through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 6, in an embodiment of the present invention, a special die for stamping a titanium alloy pipe includes a die body 1, a through recess is formed in a center of the die body 1, a movable body 2 is movably disposed in the recess, and grooves for fixing the titanium alloy pipe are disposed on two sides of the die body 1 and a center of the movable body 2;

a height adjusting mechanism for driving the movable body 2 to ascend and descend along a concave part formed in the center of the die body 1 is arranged between the die body 1 and the movable body 2, and clamping mechanisms for clamping titanium alloy pipe fittings placed in grooves on the die body 1 and the movable body 2 while adjusting the height of the movable body 2 by the height adjusting mechanism are symmetrically arranged on two sides of the die body 1;

the clamping mechanism is connected with the height adjusting mechanism through a transmission assembly.

In the embodiment of the invention, as the movable body 2 and the die body 1 are both provided with the grooves, two ends of the titanium alloy pipe fitting can be lapped in the grooves at two ends of the die body 1, and the stroke of the titanium alloy pipe fitting during stamping is restricted by the grooves on the movable body 2, so that the titanium alloy pipe fitting forms a curved shape by utilizing the height difference between the die body 1 and the movable body 2 during stamping, and is suitable for producing titanium alloy elbows or elbows; and under the action of the clamping mechanism, the titanium alloy pipe fitting can be ensured not to deviate to the two sides of the concave part when being stressed in stamping.

As an embodiment of the present invention, the height adjusting mechanism includes a bidirectional screw rod 5 rotatably disposed below the mold body 1 and threaded sleeves 6 symmetrically disposed at two sides of the bidirectional screw rod 5, and the threaded sleeves 6 are connected to the bottom of the movable body 2 through a connecting rod 7;

one end of the connecting rod 7 is rotatably connected with the threaded sleeve 6, and the other end of the connecting rod is rotatably connected with the bottom of the movable body 2;

in order to increase the supporting force of the bidirectional screw rod 5 on the movable body 2, the bidirectional screw rods 5 are divided into two groups, an adjusting wheel 4 is fixed at the end of one group of the bidirectional screw rods 5, and the two groups of the bidirectional screw rods 5 are connected through two gears 8.

In the embodiment of the invention, the thread turning directions of the two bidirectional screw rods 5 are opposite, so when one group of the bidirectional screw rods 5 is driven to rotate by the adjusting wheel 4, the other bidirectional screw rod 5 is driven to rotate reversely by the two gears 8, and finally the two groups of the bidirectional screw rods 5 work synchronously to drive the movable body 2 to lift under the action of the threaded sleeve 6 and the connecting rod 7.

As an embodiment of the present invention, four corners of the movable body 2 are respectively provided with a counter bore, four corners of the mold body 1 are respectively fixed with a lifting column 3, and the lifting columns 3 are in sliding fit with the counter bores of the four corners of the movable body 2.

In the embodiment of the invention, the counter bore is matched with the lifting column 3, and the recessed part is in sliding contact with the side wall of the movable body 2, so that the positioning precision between the movable body 2 and the die body 1 is improved, and the dislocation of the grooves on the movable body 2 and the die body 1 is prevented.

As an embodiment of the present invention, the clamping mechanism includes an accommodating cavity 19 opened at the inner sides of two sides of the mold body 1, a clamping member 18 slidably disposed in the accommodating cavity 19, and a telescopic arm 17 fixed at the tail end of the clamping member 18;

the die body 1 is provided with a through groove 21 for the telescopic arm 17 to pass through in a sliding manner, and the transmission assembly is connected with the telescopic arm 17 and the bidirectional screw rod 5.

In the embodiment of the invention, because two clamping mechanisms are respectively arranged at two sides of the die body 1, the titanium alloy pipe fittings placed in the grooves at two sides of the die body 1 are clamped by driving the clamping mechanisms at two sides through the transmission component in the process that the height adjusting mechanism drives the movable body 2 to move upwards to achieve the height of the shape to be formed by stamping.

As an embodiment of the present invention, the transmission assembly includes an elastic structure connecting the telescopic arm 17 and a pulling structure connecting the elastic structure and the bidirectional screw 5;

the elastic structure is arranged along the central axis of the telescopic arm 17, and the clamping piece 18 is pushed out from the accommodating cavity 19 through the sliding fit of the elastic structure driving the telescopic arm 17 and the through groove 21 in the process that the bidirectional screw rod 5 drives the movable body 2 to move upwards through the traction structure.

In the embodiment of the invention, the clamping piece 18 is pushed out from the accommodating cavity 19 in the process that the bidirectional screw rod 5 drives the movable body 2 to lift by means of the cooperation of the traction structure and the elastic structure so as to clamp the middle position of the titanium alloy pipe placed in the grooves on the two sides of the die body 1;

and the elastic structure can adapt to the titanium alloy pipe fitting of different complete degrees, and when the height that the movable body 2 lifted is higher, the degree that elastic structure takes place elastic deformation is more, and the clamping force of holder 18 to titanium alloy pipe fitting middle part is the big more promptly.

As an embodiment of the present invention, the elastic structure includes a loop bar fixed at a central axis of a tail end of the telescopic arm 17, a sleeve 15 slidably sleeved with the loop bar, a push plate 13 fixed at one end of the sleeve 15 far away from the loop bar, and a compression spring 16 elastically connecting the sleeve 15 and the loop bar;

one end of the pressure spring 16 is abutted against the end part of the sleeve 15, the other end of the pressure spring is abutted against the tail end of the telescopic arm 17, and the traction structure is connected with the push plate 13.

In the embodiment of the invention, when the pulling structure acts, the push plate 13 is driven to move towards one side close to the die body 1, so that the sleeve 15 is driven to move along with the pulling structure, and the telescopic arm 17 and the clamping piece 18 are driven to clamp the axis of the titanium alloy pipe fitting by virtue of the compression spring 16 in a sleeved mode;

the significance of the loop bar arrangement is to prevent misalignment between the sleeve 15 and the telescopic arm 17.

As an embodiment of the present invention, guide holes are formed on outer side walls of two sides of the mold body 1, a slide rail 14 is fixed on the push plate 13, and the slide rail 14 is in sliding fit with the guide holes;

and both sides of the lower part of the die body 1 are provided with through grooves 20 for connecting the traction structure with the bidirectional screw rod 6.

In the embodiment of the invention, the guide holes and the slide rails 14 are arranged to cooperate to prevent the push plate 13 from rotating around the sleeve 15, so that the elastic structure is unstable in operation.

As an embodiment of the invention, the drawing structure comprises a rotating shaft 10 rotatably arranged on the outer wall of the die body 1, and the rotating shaft 10 passes through the through groove 20 through a transmission piece 9 to be connected with the central part of the bidirectional screw rod 6;

around having steel wire 11 in the pivot 10, 11 one end of steel wire with pivot 10 is fixed, the other end with push pedal 13 is fixed, and is in rotate on the outer wall of mould body 1 and install and change roller 12, steel wire 11 walks around change roller 12 and connect pivot 10 with push pedal 13.

In the embodiment of the invention, when the bidirectional screw 6 rotates, the transmission piece 9 drives the rotating shaft 10 to rotate along with the rotating shaft, the rotating shaft 10 winds the steel wire 11, the steel wire 11 bypasses the rotating roller 12 and then pulls the push plate 13 to approach one side of the die body 1, so that the sleeve 15 is driven to penetrate into the through groove 21, and the clamping piece 18 is driven by the pressure spring 16 and the telescopic arm 17 to approach the axis of the titanium alloy pipe to clamp the titanium alloy pipe.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.