CN217370720U

CN217370720U - Improved tooling for middle-hole pipe fitting

Info

Publication number: CN217370720U
Application number: CN202220402781.7U
Authority: CN
Inventors: 何辉; 唐照荣; 吴绍冬; 叶永洪
Original assignee: Sichuan Nonleak Stainless Steel Pipe Co ltd
Current assignee: Sichuan Nonleak Stainless Steel Pipe Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-09-06
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a mesopore pipe fitting improves frock relates to mesopore pipe fitting processing technology field, solves mesopore pipe fitting and needs a large amount of processing cycle, the manufacturing procedure is many and troublesome technical problem of operation, the utility model discloses a support frame and be located the workstation of support frame top, the top of workstation has a supporting bench, fixed support has the cylinder on the supporting bench, the cylinder is connected with first moving part, first moving part is connected with the die clamper, the die clamper is in the pipe fitting, the pipe fitting cover is established in the outside of interior heart stick, the below of interior heart stick passes through the workstation supports, and interior heart stick has the mesopore, and the locating pin passes the pipe fitting and the mesopore is connected with the top pearl contact that has in the interior heart stick; a processing for stainless steel pipe fitting, the utility model has the advantages of mesopore pipe fitting reduces processing cycle, manufacturing procedure is few and the operation is simple and direct.

Description

Improved tooling for middle-hole pipe fitting

Technical Field

The utility model relates to a mesopore pipe fitting processing technology field, more specifically relate to a mesopore pipe fitting improves frock technical field.

Background

At present, the social labor is divided into more and more fine labor, the middle-hole pipe fitting is usually purchased from an outsourcing place, and the center hole of the center pipe fitting is usually machined in place before the center pipe fitting is purchased and returned to a factory. The surface of the central hole is often corroded in the using process of the medium-hole pipe fitting. Because the aperture of the central hole is properly larger, the length of the pipe fitting is long, the surface protection is difficult, and the conventional polishing mode cannot be adopted for rust removal treatment.

The pipe fitting T25X15 need enter into flat mesopore through hole burning and two processes of broaching after having dashed the hole process, and the broaching need pack into the pipe fitting with the pull rod assembly after the broaching core ball just put into tooling die equipment and carry out the broaching in addition, this kind of mode needs a large amount of processing cycles, and the process is too many, the troublesome poeration, for the stable qualified product of quick production, need develop tooling die, reduce processing cycle in a large number, save complicated process, thereby easy operation is swift.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the current mesopore pipe fitting needs a large amount of processing cycle, manufacturing procedure many and troublesome poeration, the utility model provides a mesopore pipe fitting improves frock.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a mesopore pipe fitting improves frock, includes the support frame and is located the workstation of support frame top, the top of workstation has a supporting bench, fixed stay has the cylinder on the supporting bench, the cylinder is connected with first moving part, first moving part is connected with the clamp mould, the clamp mould centre gripping is in the pipe fitting, the outside at the heart stick is established to the pipe fitting cover, the below of heart stick is passed through the workstation supports, and the heart stick has the mesopore, the locating pin pass the pipe fitting with the top pearl contact that has in mesopore and the heart stick is connected.

Further, a drawing machine oil cylinder is arranged below the supporting frame, a lifter is arranged above the drawing machine oil cylinder, a thimble is arranged above the lifter, and the thimble penetrates through the supporting table and the workbench and enters the center hole of the inner core rod.

Further, the ejector bead arranged in the inner core rod is in contact with the ejector pin, the ejector bead penetrates through a through hole in the inner core rod, the ejector bead is provided with a tool head and an ejector bead head, and the ejector bead head is in contact connection with the positioning pin.

Further, the center hole of the inner mandrel is provided with the ejector bead which is in contact with the ejector pin, the ejector pin is provided with a first inclined surface, the ejector bead is provided with a second inclined surface, and the first inclined surface is in contact fit with or separated from the second inclined surface.

Further, the positioning pin is connected with a moving block, and the moving block is supported by a second supporting column.

Further, the first movable member is placed on the support table, the first movable member is pressed by a cover plate arranged above the first movable member, a first support column is arranged above the workbench, a screw rod is arranged above the first support column, the screw rod penetrates through the cover plate, and the cover plate is pressed on the first movable member through threaded connection of a nut and the screw rod.

Further, the first movable piece is hinged to the second movable piece, and the second movable piece is connected to the cylinder.

The utility model has the advantages as follows:

1. the top of workstation has a supporting bench, the fixed stay has the cylinder on the supporting bench, the cylinder is connected with first moving part, first moving part is connected with the clamp mould, press from both sides the mould centre gripping in the pipe fitting, the outside at the interior heart stick is established to the pipe fitting cover, the below of interior heart stick is passed through the workstation is supported, and interior heart stick has the mesopore, and interior heart stick is located the pipe fitting, the locating pin pass the pipe fitting with the top pearl contact that mesopore and interior heart stick have is connected, establishes the pipe fitting cover and places in the outside of interior heart stick through locating pin control mesopore position, prevents the pipe fitting shaping deformation by the fixed of cylinder, first moving part and clamp mould again, locating pin and the better definite pipe fitting position of top pearl contact ability.

2. The below of support frame has the drawing machine hydro-cylinder, the top of drawing machine hydro-cylinder has the riser, the top of riser has the thimble, the thimble passes brace table and workstation enter into the heart stick has in the well, the inside of heart stick is equipped with the ejector pin with the thimble contact, the ejector pin passes the through-hole that the heart stick has, and the ejector pin has instrument head and ejector pin head, the ejector pin head with the locating pin contact is connected, and the thimble rebound makes the ejector pin side direction move the certain distance outward and lets the ejector pin head remove to the locating pin and make ejector pin head and locating pin contact.

3. The inside of interior mandrel is equipped with the top pearl with the thimble contact, thimble have first inclined plane, and the top pearl has the second inclined plane, first inclined plane and second inclined plane contact cooperation or separation, during the thimble rebound, first inclined plane and second inclined plane contact make the top pearl side direction move outward, and the thimble continues the first inclined plane of rebound and separates contactless with the second inclined plane, but the thimble continues to support to make the top pearl unmovable by the top pearl, and after the thimble moves down to top pearl below, the top pearl continues in the through-hole.

4. First moving part is connected with the second moving part is articulated, the second moving part connect in the cylinder, whether the centre gripping of first moving part to the pipe fitting is decided through driving actuating cylinder.

5. The utility model is suitable for a stainless steel pipe fitting T25 15 improves current frock, provides a simple swift pipe fitting hole extrusion mode, solves present batch production pipe fitting, processing cycle length and the unstable problem of quality, has reduced a large amount of processing cycles, saves complicated process to easy operation is swift.

6. The pipe fitting non-hole-burning production process developed by the utility model is convenient and rapid to operate, greatly saves the pipe cost, the processing period and the production cost, is simple, easy to realize, has high economic benefit, reduces the working procedures, reduces the production cost, shortens the processing period and improves the productivity; the yield of the product is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the inner mandrel of the present invention;

fig. 4 is a schematic view of the structure of the thimble according to the present invention;

FIG. 5 is a schematic cross-sectional view of the top bead of the present invention;

FIG. 6 is a schematic view of the corrosion direction structure of the top bead of the present invention;

fig. 7 is a schematic view of an operating state of the present invention;

fig. 8 is a schematic view of another working state of the present invention.

Reference numerals: the device comprises a support frame 1, a workbench 2, a support table 3, a cylinder 4, a first support column 5, a cover plate 6, a first movable member 7, a mold clamp 8, a mandrel 9, a through hole 91, a central hole 92, a pipe 10, a positioning pin 11, a moving block 12, a second support column 13, a lifter 14, a drawing machine oil cylinder 15, a thimble 16, a first inclined plane 161, a top bead 17, a tool head 171, a second inclined plane 172, a top bead head 173 and a second movable member 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 and 2, the embodiment provides a middle-hole pipe fitting improvement tool, which includes a support frame 1 and a workbench 2 located above the support frame 1, a support table 3 is arranged above the worktable 2, an air cylinder 4 is fixedly supported on the support table 3, the cylinder 4 is connected with a first movable part 7, the first movable part 7 is hinged with a second movable part 18, the second movable part 18 is connected with the cylinder 4, the first movable part 7 is connected with the clamping die 8, the clamping die 8 is clamped on a pipe fitting 10, the pipe fitting 10 is sleeved outside an inner mandrel 9, the lower portion of the inner mandrel 9 is supported by the workbench 2, the inner mandrel 9 is provided with a middle hole 92, a positioning pin 11 penetrates through the pipe fitting 10 and the middle hole 92 to be in contact connection with a top bead 17 arranged in the inner mandrel 9, the positioning pin 11 is connected with a moving block 12, and the moving block 12 is supported by a second supporting column 13.

The below of support frame 1 has drawing machine hydro-cylinder 15, the top of drawing machine hydro-cylinder 15 has riser 14, the top of riser 14 has thimble 16, thimble 16 passes brace table 3 and workstation 2 enter into the interior mandrel 9 has in the mesopore 92.

As shown in fig. 3-6, the top ball 17 mounted inside the inner core rod 9 contacts the thimble 16, the top ball 17 passes through the through hole 91 of the inner core rod 9, the top ball 17 has a tool head 171 and a top ball head 173, a second inclined plane 172 is provided between the tool head 171 and the top ball head 173, and an appropriate distance is provided between the second inclined plane 172 and the second inclined plane 172, the top ball head 173 contacts and is connected with the positioning pin 11, the top ball 17 mounted in the central hole 92 of the inner core rod 9 contacts the thimble 16, the thimble 16 has a first inclined plane 161, the top ball 17 has a second inclined plane 172, and the first inclined plane 161 contacts and is matched with or separated from the second inclined plane 172.

As shown in fig. 7-8, the first movable member 7 is placed on the supporting platform 3, the first movable member 7 is pressed by the cover plate 6 provided above the first movable member, the first supporting column 5 is provided above the worktable 2, the screw rod is provided above the first supporting column 5, the screw rod penetrates through the cover plate 6, and the cover plate 6 is pressed against the first movable member 7 by the threaded connection between the nut and the screw rod.

Example 2

As shown in fig. 7 and 8, the specific working principle of the above embodiment is as follows:

the cylinder 4 drives the second movable member 18 to move leftwards so that the clamping die 8 connected with the first movable member 7 is clamped on the outer wall of the pipe 10, the cylinder 4 drives the second movable member 18 to move rightwards, and the clamping die 8 connected with the first movable member 7 clamps and releases the pipe 10.

Example 3

3-6, the thimble 16 moves upward, the first inclined surface 161 contacts the second inclined surface 172, the thimble 16 moves laterally outward and passes through the through hole 91 of the inner rod 9 and the tube 10, the thimble 16 continues to move upward, the thimble 17 does not move laterally outward, and the thimble 16 abuts against the thimble 17 to prevent the thimble 16 from moving laterally; when the thimble 16 moves downwards, and the thimble 16 moves below the top ball 17, the top ball 17 moves inwards laterally by the action of the first inclined surface 161, the top ball 17 is at the original lateral position after the thimble 16 is separated from the top ball 17, and the proper distance between the second inclined surface 172 and the second inclined surface 172 is to enable the thimble 16 to be inserted into the top ball 17 so that the top ball 17 can move in the lateral direction. Thus, the ejector pin 16 moves up and down repeatedly to make the ejector bead 17 move in and out in the lateral direction of the through hole 91 frequently, the tool head 171 is used for extending the tool into the tool head from the upper side deep into the inner mandrel 9 after the ejector pin 16 is positioned below the ejector bead 17, and the ejector bead 17 is taken out by moving the ejector bead 17 laterally and outwards by the tool.

Example 4

The pipe fitting T25x15 is placed outside the inner core rod 9, the middle hole position is controlled through the positioning pin 11, the cylinder 4, the first moving part 7 and the clamping die 8 are fixed to prevent the pipe fitting 10 from deforming during forming, the positioning pin 11 is in contact with the ejecting bead 17 to better determine the position of the pipe fitting 10, the drawing machine oil cylinder 15 drives the ejecting pin 16 to move up and down, the ejecting bead 17 protrudes to achieve the forming of the pipe fitting 10, namely the middle hole forming of the pipe fitting 10, and the ejecting bead 17 is equivalent to a broach of a broaching hole.

The moving block 12 moves leftwards, the positioning pin 11 penetrates through the central holes of the inner mandrel 9 and the pipe fitting 10, the distance between the positioning pin 11 and the ejecting ball 17 is adjusted according to the movement of the positioning pin 11, the positioning pin 11 is tightly propped against and contacts the ejecting ball 17 through the upward movement of the ejecting pin 16, the radial deviation of the ejecting ball 17 in the lateral movement is reduced, and after the ejecting ball 17 does not frequently move inwards and outwards in the lateral direction of the central hole, the moving block 12 moves rightwards.

Example 5

The utility model discloses a change mesoporous size and product locate mode, make the product crevasse reduce, reduced mesopore shaping cycle simultaneously, originally by the core ball to the hole shaping time be 10S, with T25 about 15 crowded hole frock shaping needs about 5S, practice thrift half the time, the hole burning process processing cost of labor is 0.05 yuan, produces about 500000 every year, 25000 yuan is practiced thrift every year to the processing cost.

The utility model is suitable for a stainless steel pipe fitting T25 15 improves current frock, provides a simple swift pipe fitting hole extrusion mode, has solved present batch production pipe fitting processing cycle length and the unstable problem of quality.

The utility model discloses a pipe fitting production need not burn hole production technology, convenient operation, swift, practice thrift tubular product cost and processing cycle and manufacturing cost greatly, the production simple process who does not burn the hole easily realizes, and economy and benefit are high, specifically embodies:

1. the working procedures are reduced, and the production cost is reduced;

2. the processing period is shortened, and the productivity is improved;

3. the yield of the product is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mesopore pipe fitting improves frock, includes support frame (1) and is located workstation (2) of support frame (1) top, the top of workstation (2) has brace table (3), fixed stay has cylinder (4), its characterized in that on brace table (3): the air cylinder (4) is connected with a first moving part (7), the first moving part (7) is connected with a clamping die (8), the clamping die (8) is clamped on the pipe fitting (10), the pipe fitting (10) is sleeved outside the inner mandrel (9), the lower part of the inner mandrel (9) is supported by the workbench (2), the inner mandrel (9) is provided with a middle hole (92), and the positioning pin (11) penetrates through the pipe fitting (10) and the middle hole (92) is in contact connection with a top bead (17) arranged in the inner mandrel (9).

2. The tooling for improving the middle-hole pipe fitting of claim 1 is characterized in that: the drawing machine oil cylinder (15) has in the below of support frame (1), the top of drawing machine oil cylinder (15) has riser (14), thimble (16) have in the top of riser (14), thimble (16) pass brace table (3) and workstation (2) enter into interior mandrel (9) have in mesopore (92).

3. The tooling for improving the middle-hole pipe fitting of claim 2 is characterized in that: the ejector bead (17) arranged in the inner core rod (9) is in contact with the ejector pin (16), the ejector bead (17) penetrates through a through hole (91) formed in the inner core rod (9), the ejector bead (17) is provided with a tool head (171) and an ejector bead head (173), and the ejector bead head (173) is in contact connection with the positioning pin (11).

4. The tooling for improving the middle-hole pipe fitting of claim 2 is characterized in that: the ejector bead (17) arranged in the central hole (92) of the inner mandrel (9) is in contact with the ejector pin (16), the ejector pin (16) is provided with a first inclined surface (161), the ejector bead (17) is provided with a second inclined surface (172), and the first inclined surface (161) is in contact fit with or separated from the second inclined surface (172).

5. The tooling for improving the middle-hole pipe fitting of claim 1 is characterized in that: the positioning pin (11) is connected with a moving block (12), and the moving block (12) is supported by a second supporting column (13).

6. The tooling for improving the middle-hole pipe fitting of claim 1 is characterized in that: the first moving part (7) is placed on the supporting table (3), the first moving part (7) is pressed through a cover plate (6) arranged above the first moving part, a first supporting column (5) is arranged above the workbench (2), a screw rod is arranged above the first supporting column (5), the screw rod penetrates through the cover plate (6), and the cover plate (6) is tightly pressed on the first moving part (7) through threaded connection of a nut and the screw rod.

7. The tooling for improving the mesoporous pipe fitting as recited in claim 1, wherein: the first movable piece (7) is hinged with a second movable piece (18), and the second movable piece (18) is connected to the cylinder (4).