CN217617007U

CN217617007U - Press for forming straight pipe blank

Info

Publication number: CN217617007U
Application number: CN202221959167.7U
Authority: CN
Inventors: 孙海滨
Original assignee: Yanshan Changxin Pipe Fittings Co ltd
Current assignee: Yanshan Changxin Pipe Fittings Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-10-21
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to the technical field of pressure forming equipment, in particular to a press machine for forming straight pipe blanks; the blanking of the formed straight pipe blank is facilitated, the processing precision of the straight pipe blank is improved, and the processing efficiency and the forming quality of the straight pipe blank are effectively improved; the punching machine comprises a punching machine body, a V-shaped die set, a square pressing die and a straight pipe press forming mechanism, wherein a first driving cylinder is arranged on the punching machine body, the square pressing die is fixedly arranged at the output end of the first driving cylinder, the V-shaped die set is fixedly arranged on the punching machine body, a right-angle die groove matched with the square pressing die is formed in the position of the V-shaped die set, a limiting pushing assembly is symmetrically arranged on the V-shaped die set and comprises a second driving cylinder and a pushing module, the pushing module is slidably arranged on the V-shaped die set, the straight pipe press forming mechanism comprises an installation frame and four groups of press components uniformly distributed on the inner wall of the installation frame, and each press component comprises two groups of third driving cylinders and arc pressing dies which are arranged side by side.

Description

Press for forming straight pipe blank

Technical Field

The utility model relates to a technical field of pressure forming equipment especially relates to a press is used in straight tube blank shaping.

Background

As is well known, in a pipeline system, two groups of pipelines are connected by a socket joint, the socket joint is formed by expanding a straight pipe blank, and the straight pipe blank is formed by pressing a steel plate; the press for forming the straight pipe blank is equipment for pressing a plate into a straight pipe; during the processing of the straight pipe blank, a rolling machine is mostly adopted to roll the plate, and the straight pipe blank formed by roll forming is blanked; the straight tube blank is subjected to roll-in processing by the roll squeezer, the joint of the formed straight tube blank is not tightly closed, the external dimension has deviation, and when the formed straight tube blank is blanked, the straight tube blank is sleeved at the compression roller, so that blanking is inconvenient, and the processing efficiency of the straight tube blank is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a straight tube blank for shaping of being convenient for unloading improves straight tube blank machining precision, effectively improves straight tube blank machining efficiency and shaping quality's press.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the punching machine comprises a punching machine body, a V-shaped die frame, a square pressing die and a straight pipe press forming mechanism, wherein a first driving cylinder is arranged on the punching machine body, the square pressing die is fixedly arranged at the output end of the first driving cylinder, the V-shaped die frame is fixedly arranged on the punching machine body, a right-angle die groove matched with the square pressing die is formed in the position of the V-shaped die frame, limiting pushing assemblies are symmetrically arranged on the V-shaped die frame and comprise a second driving cylinder and a pushing module, the pushing module is slidably arranged on the V-shaped die frame, the second driving cylinder is fixedly arranged on the V-shaped die frame, and the pushing module is fixedly arranged at the output end of the second driving cylinder; the straight pipe press forming mechanism comprises an installation frame and four groups of press components uniformly distributed on the inner wall of the installation frame, each press component comprises two groups of third driving cylinders and arc pressing dies which are arranged side by side, the third driving cylinders are fixedly installed on the installation frame, the arc pressing dies are fixedly installed at the output end of the third driving cylinders, and the arc pressing dies on the four groups of press components are enclosed to form a cylindrical body.

Preferably, the ejection mechanism comprises a fourth driving cylinder and a V-shaped pushing frame, an embedded groove is formed in the square pressing die, the fourth driving cylinder is fixedly installed in the embedded groove, the V-shaped pushing frame is fixedly installed at the output end of the fourth driving cylinder, and the V-shaped pushing frame is matched with the square pressing die.

Preferably, one side, away from the punching machine body, of the arc-shaped pressing die on the group of pressing assemblies close to the bottom of the mounting frame is fixedly provided with a limiting assembly, and the limiting assembly comprises a fifth driving cylinder and a limiting seat fixedly arranged at the output end of the fifth driving cylinder.

Preferably, the auxiliary blanking assembly is arranged at the position, close to the punching machine body, of the bottom of the arc pressing die on the group of pressing assemblies close to the bottom of the mounting frame, and comprises a sixth driving cylinder and an ejector block fixedly arranged at the output end of the sixth driving cylinder, a through hole is formed in the corresponding arc pressing die, and the ejector block can be arranged in the through hole in a vertically sliding mode.

Preferably, the corner of the square pressing die, the bottom right angle of the right-angle die cavity and the pushing module are provided with arc-shaped parts.

Preferably, the device further comprises two groups of balance rods, the two groups of balance rods are fixedly mounted on the V-shaped pushing frame, a cylindrical hole is formed in the square pressing die, and the balance rods are slidably mounted in the cylindrical hole.

(III) advantageous effects

Compared with the prior art, the utility model provides a straight tube is press for blank shaping possesses following beneficial effect: the press for forming the straight pipe blank is characterized in that a plate is placed on a V-shaped die frame, a pushing module on a limiting pushing assembly limits the feeding position of the plate to ensure the feeding accuracy of the plate, the output end of a first driving cylinder extends, a square pressing die presses the plate into a right-angle die groove, the plate is pressed into a V shape, the limiting pushing assembly acts at the moment, the output end of a second driving cylinder extends, the pushing module feeds the square pressing die, the two side walls of the V-shaped plate bend, the plate is coated on the square pressing die, the plate is extruded to be close to the square shape (an opening is reserved above the plate), the plate close to the square shape is fed between four groups of pressing assemblies, a third driving cylinder on the four groups of pressing assemblies is synchronously started, an arc pressing die extrudes the plate close to the square shape until the arc pressing die is closed to be cylindrical, the plate is pressed to be in a straight pipe shape, the pressing assemblies reset, the formed straight pipe blank is blanked, the straight pipe blank is convenient to be blanked, the formed straight pipe blank, all processing steps of the straight pipe blank are connected smoothly, the straight pipe blank processing accuracy can be improved, and the straight pipe blank processing efficiency and the forming quality of the straight pipe blank can be effectively improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2 according to the present invention;

in the drawings, the reference numbers: 1. a punch body; 2. a V-shaped die frame; 3. square die pressing; 4. a first drive cylinder; 5. a right-angle die cavity; 6. a second drive cylinder; 7. a pushing module; 8. installing a frame; 9. a third drive cylinder; 10. arc-shaped pressing die; 11. a fourth drive cylinder; 12. a V-shaped pushing frame; 13. a fifth drive cylinder; 14. a limiting seat; 15. a sixth drive cylinder; 16. a top block; 17. a port; 18. an arc-shaped portion; 19. a balance bar.

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.

Referring to fig. 1-3, the utility model discloses a press for forming straight pipe blank, including punching machine body 1, V-shaped die carrier 2, square moulding-die 3 and straight pipe press forming mechanism, be provided with first driving cylinder 4 on punching machine body 1, square moulding-die 3 is fixed in the output of first driving cylinder 4, V-shaped die carrier 2 is fixed in punching machine body 1, V-shaped die carrier 2 department is provided with the right angle die slot 5 that agrees with square moulding-die 3, the symmetry is installed on V-shaped die carrier 2 and is pushed up the subassembly, spacing top pushes up the subassembly and includes second driving cylinder 6 and top push module 7, top push module 7 slidable mounting is on V-shaped die carrier 2, second driving cylinder 6 is fixed in V-shaped die carrier 2, top push module 7 is fixed in the output of second driving cylinder 6; the straight pipe pressing and forming mechanism comprises a mounting frame 8 and four groups of pressing components uniformly distributed on the inner wall of the mounting frame 8, each pressing component comprises two groups of third driving cylinders 9 and arc-shaped pressing dies 10 which are arranged side by side, each third driving cylinder 9 is fixedly arranged on the mounting frame 8, each arc-shaped pressing die 10 is fixedly arranged at the output end of each third driving cylinder 9, and the arc-shaped pressing dies 10 on the four groups of pressing components are enclosed to form a cylindrical shape; furthermore, the V-shaped die frame 2 can be detachably mounted on the punching machine body 1, the square pressing die 3 can be detachably mounted at the output end of the first driving cylinder 4, the arc pressing die 10 can be detachably mounted at the output end of the third driving cylinder 9, and the V-shaped die frame 2, the square pressing die 3 and the arc pressing die 10 with corresponding sizes can be replaced according to the pipe diameter of the straight pipe blank so as to meet the processing requirements of straight pipe blanks with different diameters.

Specifically, the device also comprises a pushing and feeding mechanism, wherein the pushing and feeding mechanism comprises a fourth driving cylinder 11 and a V-shaped pushing frame 12, an embedded groove is formed in the square pressing die 3, the fourth driving cylinder 11 is fixedly arranged in the embedded groove, the V-shaped pushing frame 12 is fixedly arranged at the output end of the fourth driving cylinder 11, and the V-shaped pushing frame 12 is matched with the square pressing die 3; after the plates are pressed to be close to a square shape, the output end of the fourth driving cylinder 11 is shortened, the V-shaped pushing frame 12 pushes the plates at the square pressing die 3 to move towards the four groups of pressing components, at the moment, the opening at the top of the plates close to the square shape is in contact with the arc pressing die 10 on the group of pressing components at the top of the mounting frame 8, the plates close to the square shape horizontally move to completely enter the four groups of pressing components, the plates subjected to preliminary pressing are pushed and fed through machinery instead of manpower, the manual operation amount is reduced, meanwhile, operators are prevented from being crushed in the feeding process, and the operation safety is improved.

Specifically, a limiting assembly is fixedly mounted on one side, away from the punching machine body 1, of the arc-shaped pressing die 10 on the group of pressing assemblies close to the bottom of the mounting frame 8, and comprises a fifth driving cylinder 13 and a limiting seat 14 fixedly mounted at the output end of the fifth driving cylinder 13; after the plate which is initially pressed to be approximately in a square shape enters between the pressing components, the limiting seat 14 can limit the plate, so that the plate is prevented from being excessively displaced, and the plate is ensured to be positioned in the pressing range of the arc pressing die 10, so that the plate is completely pressed to be in a straight tube shape.

Specifically, an auxiliary blanking assembly is arranged at the position, close to the punch body 1, of the bottom of an arc-shaped pressing die 10 on a group of pressing assemblies close to the bottom of the mounting frame 8, the auxiliary blanking assembly comprises a sixth driving cylinder 15 and a top block 16 fixedly arranged at the output end of the sixth driving cylinder 15, a through hole 17 is formed in the corresponding arc-shaped pressing die 10, and the top block 16 is arranged in the through hole 17 in a vertically sliding manner; after the plate is completely pressed into a straight-supporting tube shape, the output end of the fifth driving cylinder 13 is shortened, the press-fit assembly is separated from the limitation on the straight tube, the limiting seat 14 is separated from the limitation on the formed straight tube, the output end of the sixth driving cylinder 15 is extended, the ejector block 16 jacks the right part of the straight tube, the straight tube loses the balance state, and the straight tube automatically slides down and is discharged under the action of gravity.

Specifically, arc-shaped parts 18 are arranged at the corners of the square pressing die 3, the bottom right-angle part of the right-angle die cavity 5 and the pushing module 7; through the setting of arc portion 18, can do benefit to panel by press forming, improve panel press forming's smooth and easy nature, it is excessive that the panel dog-ear that is close square form is the arc by the suppression, when being pressfitting by pressing components, the production deformation that can be more smooth, effectively reduce the production of scraping the noise among the pressing process.

Specifically, the device also comprises two groups of balancing rods 19, wherein the two groups of balancing rods 19 are fixedly arranged on the V-shaped pushing frame 12, a cylindrical hole is formed in the square pressing die 3, and the balancing rods 19 are slidably arranged in the cylindrical hole; under the action of the balance rod 19, the V-shaped pushing frame 12 can be supported to a certain extent, so that the V-shaped pushing frame 12 is more stable in the process of left-right transverse movement, and a square plate which is coated at the square pressing die 3 and is close to the square plate can be more accurately blanked.

When the pipe pressing die is used, a plate is placed on a V-shaped die frame 2, a pushing module 7 on a limiting pushing assembly limits the loading position of the plate, the output end of a first driving cylinder 4 extends, a square pressing die 3 presses the plate into a right-angle die cavity 5, the plate is pressed into a V shape, the limiting pushing assembly acts at the moment, the output end of a second driving cylinder 6 extends, the pushing module 7 feeds the square pressing die 3, the two side walls of the V-shaped plate bend, the plate is coated on the square pressing die 3 and is extruded to be close to the square shape, the output end of a fourth driving cylinder 11 shortens, a V-shaped pushing frame 12 pushes the plate at the square pressing die 3 to move to four groups of pressing assemblies, the opening at the top of the plate close to the square shape is in contact with an arc pressing die 10 on one group of pressing assemblies at the top of an installation frame 8, the plate close to the square shape horizontally moves to the four groups of pressing assemblies completely, a third driving cylinder 9 on the four groups of pressing assemblies is synchronously started, the arc pressing die 10 extrudes the plate close to the square pressing die assemblies until the plate close to be closed to be cylindrical shape, the arc pressing die 10, the plate is pressed to be straight pipe blank, and the pipe pressing assemblies are reset to be formed through an auxiliary tubular blank.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that "on 8230; \8230on", "on 82308230;," on 82308230; \823030ja above "and" on 8230; \8230on "in the present disclosure should be interpreted in the broadest manner so that" on 8230; "on not only means" directly on something ", but also includes the meaning of" on something "with intermediate features or layers in between, and" over "\8230: \8230or \8230: \8230, above" includes not only the meaning of "over" or "on" something, but also the meaning of "over" or "on" with no intervening features or layers therebetween (i.e., directly on something).

Furthermore, spatially relative terms, such as "below," "lower," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's illustrated relationship to another element or feature. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly as well.

It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. The press machine for forming the straight pipe blank is characterized by comprising a press machine body (1), a V-shaped die frame (2), a square pressing die (3) and a straight pipe pressing forming mechanism, wherein a first driving cylinder (4) is arranged on the press machine body (1), the square pressing die (3) is fixedly arranged at the output end of the first driving cylinder (4), the V-shaped die frame (2) is fixedly arranged on the press machine body (1), a right-angle die groove (5) matched with the square pressing die (3) is formed in the V-shaped die frame (2), and limiting pushing assemblies are symmetrically arranged on the V-shaped die frame (2);

the limiting pushing assembly comprises a second driving cylinder (6) and a pushing module (7), the pushing module (7) is slidably mounted on the V-shaped die frame (2), the second driving cylinder (6) is fixedly mounted on the V-shaped die frame (2), and the pushing module (7) is fixedly mounted at the output end of the second driving cylinder (6);

the straight pipe press forming mechanism comprises an installation frame (8) and four groups of press fit components evenly distributed on the inner wall of the installation frame (8), each press fit component comprises two groups of third driving cylinders (9) and arc-shaped pressing dies (10) which are arranged side by side, the third driving cylinders (9) are fixedly installed on the installation frame (8), the arc-shaped pressing dies (10) are fixedly installed at the output end of the third driving cylinders (9), and the arc-shaped pressing dies (10) on the four groups of press fit components are enclosed to form a cylindrical shape.

2. The press for forming the straight pipe blank according to claim 1, further comprising a pushing and feeding mechanism, wherein the pushing and feeding mechanism comprises a fourth driving cylinder (11) and a V-shaped pushing frame (12), an embedded groove is formed in the square pressing die (3), the fourth driving cylinder (11) is fixedly installed in the embedded groove, the V-shaped pushing frame (12) is fixedly installed at an output end of the fourth driving cylinder (11), and the V-shaped pushing frame (12) is matched with the square pressing die (3).

3. The press for forming the straight pipe blank according to claim 2, wherein a limiting assembly is fixedly arranged on one side, away from the punch body (1), of the arc pressing die (10) on the group of pressing assemblies close to the bottom of the mounting frame (8), and the limiting assembly comprises a fifth driving cylinder (13) and a limiting seat (14) fixedly arranged at the output end of the fifth driving cylinder (13).

4. The press for forming a straight tube blank according to claim 3, wherein the arc-shaped dies (10) of the set of pressing assemblies close to the bottom of the mounting frame (8) have auxiliary blanking assemblies mounted at the bottom close to the press body (1), the auxiliary blanking assemblies comprise sixth driving cylinders (15) and ejector blocks (16) fixedly mounted at the output ends of the sixth driving cylinders (15), through holes (17) are formed in the corresponding arc-shaped dies (10), and the ejector blocks (16) are slidably disposed in the through holes (17) up and down.

5. The press for forming a straight pipe blank according to claim 4, wherein the corner of the square pressing die (3), the bottom corner of the right-angle die cavity (5) and the pushing module (7) are provided with arc-shaped parts (18).

6. The press for forming the straight pipe blank according to claim 5, further comprising two sets of balance bars (19), wherein the two sets of balance bars (19) are fixedly mounted on the V-shaped pushing frame (12), the square pressing die (3) is provided with a cylindrical hole, and the balance bars (19) are slidably mounted in the cylindrical hole.