CN213796065U

CN213796065U - Pipe clamping structure

Info

Publication number: CN213796065U
Application number: CN202022126773.8U
Authority: CN
Inventors: 张勇; 郭维国; 苏大明; 周勤兵
Original assignee: Gaoming Branch Foshan Electrical And Lighting Co ltd
Current assignee: Gaoming Branch Foshan Electrical And Lighting Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-27
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a pipe clamping structure, include: the mould structure comprises a first mould structure and a second mould structure which are oppositely opened and closed; the mould opening clamp is arranged between the first mould structure and the second mould structure, is abutted against the first mould structure and the second mould structure, and is used for reciprocating relative to the mould structure so as to open the mould of the mould structure; the cam structure is connected with the die clamping piece and is used for driving the die clamping piece to reciprocate; and two ends of the first tension spring are respectively connected with the first die structure and the second die structure and used for providing tension to drive the die structures to be closed. The utility model discloses a press from both sides tubular construction and make the upper end and the lower extreme synchronous contact closure of design mould, the compound die coincide to the compound die design job stabilization of return bend, product stable quality.

Description

Pipe clamping structure

Technical Field

The utility model belongs to the technical field of lighting apparatus produces, in particular to press from both sides tubular construction.

Background

In the production process of the U-shaped energy-saving lamp, after the straight line pipe is bent, the U-shaped part of the bent pipe needs to be clamped and shaped. In the prior art, a left die and a right die of a shaping die are driven by two oppositely arranged cylinders and perform swing arm rotary motion around a fixed pivot to open and close the die, so that the lower end of the die is firstly contacted and closed during die closing, and the upper end of the die is contacted and closed afterwards, so that the die closing is not matched, and further the product quality is influenced; in actual production, the production line is continuously carried out for a long time, the air cylinder needs to carry out continuous high-load movement, the air pressure is unstable when the air cylinder is used for a long time, the die assembly and shaping work of the bent pipe is unstable, and the product quality is influenced.

Accordingly, the prior art is in need of improvement and development.

SUMMERY OF THE UTILITY MODEL

The utility model provides a press from both sides tubular construction for the upper end and the lower extreme synchronous contact closure of design mould, the compound die is identical, and the compound die design job stabilization of return bend, the product stable quality.

For solving the technical problem, the utility model provides a pair of tube clamping structure, include:

the mould structure comprises a first mould structure and a second mould structure which are oppositely arranged in a folding manner along the horizontal direction;

the mould opening clamp is arranged between the first mould structure and the second mould structure, is abutted against the first mould structure and the second mould structure, and is used for reciprocating relative to the mould structure so as to open the mould of the mould structure;

the cam structure is connected with the die clamping piece and is used for driving the die clamping piece to reciprocate;

and two ends of the first tension spring are respectively connected with the first die structure and the second die structure and used for providing tension to drive the die structures to be closed.

Furthermore, the cam structure comprises a cam, a swing arm and a second tension spring, wherein one end of the swing arm is positioned in the rotation range of the cam, and the other end of the swing arm is connected with the second tension spring to obtain restoring force; the swing arm is connected with the die clamping piece.

Furthermore, an auxiliary arm is arranged at one end of the swing arm, which is positioned in the rotation range of the cam, and the auxiliary arm is provided with a roller which is used for abutting against the cam.

Further, the mold opening and clamping piece comprises a mold opening part and a guide part which are connected, and the guide part is close to the mold structure; the die opening part is used for ejecting the first die structure and the second die structure so as to open the die of the die structures; the guide part is used for guiding the die opening part to enter between the first die structure and the second die structure.

Furthermore, the first die structure and the second die structure are provided with guide bearings, the guide bearings are arranged on opposite side surfaces of the first die structure and the second die structure, and the guide bearings and the die clamping pieces slide relatively.

Further, the transmission shaft is matched with a first linear bearing, and the first linear bearing is sleeved outside the transmission shaft.

Furthermore, the pipe clamping structure further comprises an auxiliary shaft, the auxiliary shaft and the transmission shaft are arranged in parallel and move synchronously with the transmission shaft, the auxiliary shaft is matched with a second linear bearing, and the second linear bearing is sleeved outside the auxiliary shaft.

Further, the swing arm is connected with the transmission shaft through an articulated bearing assembly.

The pipe clamping mechanism of the utility model drives the mould structure to move along the horizontal direction through the cam structure and the tension spring to open and close the mould, so that the upper end and the lower end of the mould structure are synchronously contacted and closed, and the mould closing is matched; the structure that can load for a long time, job stabilization replaces the cylinder and drives for the compound die design job stabilization of return bend makes the product stable quality.

Drawings

Fig. 1 is a schematic structural view of a pipe clamping structure of the present invention.

Fig. 2 is an enlarged view of the pipe clamping structure shown in fig. 1 at a.

Fig. 3 is a schematic structural view of a mold opening member of the pipe clamping structure shown in fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

As shown in fig. 1 and 2, the utility model relates to a pipe clamping structure, which comprises: a mold structure 100 including a first mold structure 100a and a second mold structure 100b which are oppositely opened and closed in a horizontal direction; a mold opening device 200 disposed between the first mold structure 100a and the second mold structure 100b, and abutting against the first mold structure 100a and the second mold structure 100b, for performing a reciprocating motion with respect to the mold structure 100 to open the mold structure 100; a cam structure 300 connected to the mold clamp 200 for driving the mold clamp 200 to reciprocate; and two ends of the first tension spring 400 are respectively connected with the first mold structure 100a and the second mold structure 100b, and are used for providing tension to drive the mold structure 100 to close the mold.

The cam structure 300 drives the mold opening and clamping member 200 to reciprocate relative to the mold structure 100 between the first mold structure 100a and the second mold structure 100 b; when the mold opening and closing member 200 is driven by the cam structure 300 to move toward the mold structure 100 and penetrate between the first mold structure 100a and the second mold structure 100b, the first mold structure 100a and the second mold structure 100b are relatively ejected to open the mold; when the mold opening and closing member 200 is driven by the cam structure 300 to move away from the mold structure 100, the first mold structure 100a and the second mold structure 100b are closed by the first tension spring 400.

In a specific application, the mold structure 100 is mounted on the mounting platform 500, the first mold structure 100a and the second mold structure 100b move in a horizontal direction to open/close the mold, the mold opening and closing member 200 moves up and down relative to the mold structure 100, and the cam structure 300 is mounted on the mounting platform 500. Specifically, the mold structure 100 further includes a first moving assembly and a second mounting assembly; the first moving assembly comprises a first guide rail 111 and a first slide 112, the first mold structure 100a being connected for movement with the first slide 112; the second moving assembly 120 includes a second guide rail 121 and a second slide 122, and the second mold structure 100b is coupled to the second slide 122 for movement. Specifically, the mold structure 100 may be mounted on the mounting platform 500 through the support 130, and a mounting manner in which two supports 100 are respectively used for mounting the first mold structure 100a and the second mold structure 100b may be adopted, or a mounting manner in which one support 130 is used for mounting the whole structure of the mold structure 100 may be adopted, wherein the support 130 is provided with a through hole for the mold clamping device 200 to move. Specifically, the first mold structure 100a and the second mold structure 100b are the same structure, and each include a pipe bending mold 101, a mold mounting plate 102, and a mold mounting seat 103, wherein the mold mounting seat 103 is connected to the first slider 112/the second slider 122, the pipe bending mold 101 is connected to the mold mounting seat 103 through the mold mounting plate 102, and two ends of the first tension spring 400 are respectively fixedly connected to the two mold mounting seats 103.

As shown in fig. 1, specifically, the cam structure 300 includes a cam 310, a swing arm 320, and a second tension spring 330, one end of the swing arm 320 is located within a rotation range of the cam 310, and the other end of the swing arm 320 is connected to the second tension spring 330 to obtain a restoring force; the swing arm 320 is connected to the mold opener 200. Specifically, the swing arm 320 is located at one end of the cam 310 within the rotation range, and the cam 310 is rotatably connected to the mounting platform 500, and one end of the second tension spring 330 is fixedly connected to the swing arm 320, and the other end thereof is fixedly connected to the mounting platform 500. Specifically, when the cam 310 rotates to abut against one end of the swing arm 320, the swing arm 320 swings upward to drive the mold opening and clamping member 200 to move upward to open the first mold structure 100a and the second mold structure 100b so as to open the molds, and the first tension spring 400 and the second tension spring 330 are stretched to generate restoring force; when the cam 310 rotates away from the swing arm 320, the swing arm 320 swings downward under the driving of the second tension spring 330, so as to drive the mold opening and clamping member 200 to move downward, and meanwhile, the second tension spring 330 drives the first mold structure 100a and the second mold structure 100b to move and close the mold.

In some embodiments, an auxiliary arm 321 is disposed at an end of the swing arm 320 within the rotation range of the cam 310, and the auxiliary arm 321 is provided with a roller 322, and the roller 322 is used to abut against the cam 310. This reduces the relative movement friction force when the cam 310 abuts against the swing arm 320.

As shown in fig. 2, in detail, the first mold structure 100a and the second mold structure 100b are respectively provided with a protrusion 104, the two protrusions 104 are correspondingly arranged on opposite sides of the first mold structure 100a and the second mold structure 100b, and the first mold structure 100a and the second mold structure 100b are abutted against the mold split member 200 through the protrusions 104. Specifically, the boss portion is provided to the die mount 103.

As shown in fig. 3, specifically, the mold clamping device 200 includes a mold opening portion 210 and a guiding portion 220, which are connected to each other, and the guiding portion 220 is close to the mold structure 100; the mold opening part 210 is used for ejecting the first mold structure 100a and the second mold structure 100b to open the mold structure 100; the guide part 220 is used for guiding the mold opening part 210 into between the first mold structure 100a and the second mold structure 100 b. Specifically, the guide part 220 includes a first guide part 221 and a second guide part 222, wherein the second guide part 222 is connected with the mold opening part 210; the horizontal dimension a of the mold opening part 210 is greater than the horizontal dimension b of the first guide part 221, and the horizontal dimension c of the second guide part 222 is gradually reduced from the horizontal dimension a to the horizontal dimension b. In a specific application, when the mold structure 100 is closed, the two protrusions 104 abut against the first guide portion 221, and when the cam 310 drives the mold opening member 200 to move upward, the second guide portion 222 passes through the two protrusions 104 to gradually push the first mold structure 100a and the second mold structure 100b open until the two protrusions 104 abut against the mold opening portion 210, thereby completing mold opening.

In some preferred embodiments, as shown in fig. 2, the first mold structure 100a and the second mold structure 100b are provided with guide bearings 105, the guide bearings 105 are provided on opposite sides of the guide bearings 105, and the guide bearings 105 and the mold split member 200 slide relative to each other. Thereby, the relative movement between the mold opening and clamping member 200 and the mold structure 100 can be made smoother. Specifically, the guide bearing 105 is rotatably mounted on the boss 104.

Specifically, the swing arm 320 is connected to the mold clamp 200 through a driving shaft 600. In some embodiments, the transmission shaft 600 is matched with a first linear bearing 610, and the first linear bearing 610 is sleeved outside the transmission shaft 600. In practice, the transmission shaft 600 moves along the first linear bearing 610, and the first linear bearing 610 is installed on the installation platform 500.

As shown in fig. 1, in some embodiments, the pipe clamping structure further includes an auxiliary shaft 620, the auxiliary shaft 620 is disposed in parallel with the transmission shaft 600 and moves synchronously with the transmission shaft 600, the auxiliary shaft 620 is matched with a second linear bearing 630, and the second linear bearing 630 is sleeved outside the auxiliary shaft 620. Specifically, the transmission shaft 600 is fixedly connected to one end of the auxiliary shaft 620 through a connection plate 640, and the second linear bearing 630 is fixedly connected to the first linear bearing 610 through a connection member 650.

In some embodiments, the swing arm 320 is coupled to the drive shaft 600 via a joint bearing assembly 660. Specifically, the joint bearing assembly 660 includes a first joint bearing 661 and a second joint bearing 662, the first joint bearing 661 is connected with the swing arm 320, the second joint bearing 662 is connected with the transmission shaft 600, and the first joint bearing 661 and the second joint bearing 662 are connected with a connection shaft 663 therebetween.

The pipe clamping mechanism of the utility model drives the mould structure to move along the horizontal direction through the cam structure and the tension spring to open and close the mould, so that the upper end and the lower end of the mould structure are synchronously contacted and closed, and the mould closing is matched; the structure that can load for a long time, job stabilization replaces the cylinder and drives for the compound die design job stabilization of return bend makes the product stable quality. Meanwhile, the mould structure horizontally moves to open and close the mould, so that the mould is convenient to replace, and the mould closing adjustment is simple.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. A pipe clamping structure, comprising:

a mold structure (100) including a first mold structure (100 a) and a second mold structure (100 b) that are arranged to be opened and closed relative to each other in a horizontal direction;

a mold opening clamp (200) arranged between the first mold structure (100 a) and the second mold structure (100 b), closely abutted against the first mold structure (100 a) and the second mold structure (100 b), and used for reciprocating relative to the mold structure (100) so as to open the mold structure (100);

the cam structure (300) is connected with the die clamping piece (200) and is used for driving the die clamping piece (200) to reciprocate;

the mould structure comprises a first tension spring (400), wherein two ends of the first tension spring (400) are respectively connected with a first mould structure (100 a) and a second mould structure (100 b) and used for providing tension to drive the mould structure (100) to be matched.

2. The pipe clamping structure according to claim 1, wherein the cam structure (300) comprises a cam (310), a swing arm (320) and a second tension spring (330), one end of the swing arm (320) is located within a rotation range of the cam (310), and the other end of the swing arm (320) is connected with the second tension spring (330) to obtain a restoring force; the swing arm (320) is connected with the die clamping piece (200).

3. A pipe clamping structure according to claim 2, wherein an end of the swing arm (320) within the rotation range of the cam (310) is provided with an auxiliary arm (321), the auxiliary arm (321) is provided with a roller (322), and the roller (322) is used for abutting against the cam (310).

4. The pipe clamping structure of claim 1, wherein the mold clamping piece (200) comprises a mold opening part (210) and a guide part (220) which are arranged in a connecting manner, the guide part (220) being close to the mold structure (100);

the mold opening part (210) is used for ejecting the first mold structure (100 a) and the second mold structure (100 b) so as to open the mold structure (100);

the guide portion (220) is used for guiding the mold opening portion (210) into a position between the first mold structure (100 a) and the second mold structure (100 b).

5. A pipe clamping structure according to claim 4, wherein the first mould structure (100 a) and the second mould structure (100 b) are provided with guide bearings (105), the guide bearings (105) being provided on opposite sides of the first mould structure (100 a) and the second mould structure (100 b), the guide bearings (105) and the mould jaws (200) being relatively slidable.

6. A pipe clamping structure according to claim 2, wherein said swing arm (320) is connected to said mold clamp opener (200) by a drive shaft (600).

7. The pipe clamping structure of claim 6, wherein the transmission shaft (600) is matched with a first linear bearing (610), and the first linear bearing (610) is sleeved outside the transmission shaft (600).

8. The pipe clamping structure of claim 7, further comprising an auxiliary shaft (620), wherein the auxiliary shaft (620) is juxtaposed to the transmission shaft (600) and moves synchronously with the transmission shaft (600), the auxiliary shaft (620) is matched with a second linear bearing (630), and the second linear bearing (630) is sleeved outside the auxiliary shaft (620).

9. The pipe clamping structure according to claim 7, wherein said swing arm (320) is connected to said drive shaft (600) by means of an articulated bearing assembly (660).