CN210588347U

CN210588347U - Ejector rod mechanism

Info

Publication number: CN210588347U
Application number: CN201921519812.1U
Authority: CN
Inventors: 罗建国; 文志华
Original assignee: Foshan Zunju Automatic Equipment Co ltd
Current assignee: Foshan Zunju Automatic Equipment Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-22
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a mandril mechanism, which comprises a mandril part and a base; the ejector rod part at least comprises an ejector rod mounting plate, an ejector rod cylinder and an ejector rod core, and the ejector rod cylinders are respectively and fixedly connected with the ejector rod mounting plate; the ejector pin core passes through the ejector pin barrel and is connected with the ejector pin barrel in an axially-translatable manner. The utility model can fix the steel pipe W along the axis of the steel pipe W, and can not translate, thereby being convenient for processing the steel pipe W; the ejector rod core head is convenient to replace, and the device is suitable for steel pipes with different wall thicknesses; even if the wall thickness of the steel pipe slightly deviates, the mandril core print can be inserted into the steel pipe and attached to the inner wall of the steel pipe under the guiding action of the insertion inclined plane, and the reliability of the equipment can be improved.

Description

Ejector rod mechanism

Technical Field

The utility model relates to a push rod mechanism.

Background

The conventional transportation device (such as a power belt, a power roller way, etc.) for transporting the steel pipe W cannot fix the steel pipe W placed on the transportation device along the axis of the steel pipe W. When a steel pipe W placed on a transport apparatus is processed, for example, by welding, the steel pipe W may move or translate along the axis of the steel pipe W, which may cause fluctuation in processing conditions for the steel pipe W, unevenness in quality of the processed steel pipe W, and even failure.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, an object of the utility model is to provide a push rod mechanism can make steel pipe W along fixed, the unable translation in the axle center of steel pipe W, is convenient for process steel pipe W.

The utility model discloses the detailed technical scheme who takes does: the ejector rod mechanism comprises an ejector rod part and a base; the ejector rod part at least comprises an ejector rod mounting plate, an ejector rod cylinder and an ejector rod core, and the ejector rod cylinders are respectively and fixedly connected with the ejector rod mounting plate; the ejector pin core passes through the ejector pin barrel and is connected with the ejector pin barrel in an axially-translatable manner.

The device comprises a plurality of ejector rod barrels, ejector rod cores and an adjusting part, wherein the ejector rod barrels are arranged in a same distance, the ejector rod cores are fixedly connected with the adjusting connecting plate, and the adjusting part also comprises an adjusting fixing block and an adjusting bolt; the adjusting fixing block is fixed on the ejector rod mounting plate, and the adjusting bolt is sequentially in threaded connection with the adjusting fixing block and the adjusting connecting plate.

The adjusting bolt can be rotated to enable the adjusting connecting plate to drive the ejector rod cores to move synchronously, and the distances among the ejector rod cores are equal, so that the extension lengths of the ejector rod cores can be conveniently adjusted according to needs.

Furthermore, a mandril barrel is provided with a mandril column hole, the mandril core comprises a mandril core print and a mandril column connected with the mandril core print, and the other end of the mandril column penetrates through the mandril barrel to be fixedly connected with the adjusting and connecting plate.

Furthermore, one end of the ejector rod cylinder is provided with an ejector rod column hole communicated with the ejector rod core head cavity; the head part of the mandril core is positioned in the mandril core head cavity, and one end of the mandril core head extends out of the mandril core head cavity.

Furthermore, the inner diameter of the cavity of the mandril core head is larger than the inner diameter of a circumscribed circle of the section of the mandril core head, the inner diameter of the circumscribed circle of the section of the mandril core head is larger than the inner diameter of a mandril column hole, and the mandril core head is in threaded connection with the mandril column.

The ejector rod core head is convenient to replace, and the device is suitable for steel pipes W with different wall thicknesses.

Further, the ejector rod core head is provided with an insertion inclined plane.

Even if the wall thickness of the steel pipe W is slightly deviated, the mandrel core print can be inserted into the steel pipe W and adhered to the inner wall of the steel pipe W under the guiding action of the insertion slope, and the reliability of the equipment can be improved.

Further, the device also comprises a base; the base comprises a base plate, a yielding rod and a base moving piece; the one side of bed plate is through letting a position pole and ejector pin mounting panel fixed connection, and the base moving member sets up on the bed plate.

The installation of the ejector rod mechanism is convenient.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the steel pipe W can be fixed along the axis of the steel pipe W and cannot move horizontally, so that the steel pipe W can be conveniently processed;

2) the ejector rod core head is convenient to replace, and the device is suitable for steel pipes W with different wall thicknesses;

3) even if the wall thickness of the steel pipe W is slightly deviated, the mandrel core print can be inserted into the steel pipe W and adhered to the inner wall of the steel pipe W under the guiding action of the insertion slope, and the reliability of the equipment can be improved.

Drawings

Fig. 1 is a schematic perspective view of a push rod mechanism of the present invention.

Fig. 2 is a perspective view of another perspective view of the ejector mechanism of the present invention.

Fig. 3 is a rear view schematically illustrating the ejector mechanism of the present invention.

Fig. 4 is a schematic top view of the ejector mechanism of the present invention.

Fig. 5 is a schematic side view of the ejector mechanism according to the present invention.

Fig. 6 is a schematic view of the section i-i of fig. 3.

Fig. 7 is an enlarged schematic view at ii of fig. 6.

Ejector rod part 1: a mandril mounting plate 11; a holding plate 111; an elastic seam 112; a ram cylinder 12; a ram core cavity 121; a post hole 122; a jack rod core 13; a mandrel core 131; a jack post 132; an insertion slope 133; an adjustment section 2; adjusting the fixed block 21; an adjusting bolt 22; an adjusting connection plate 23; adjusting the moving member 24; a base 3; a base plate 31; a let-down lever 32; a base moving member 33; a power member 9; and a steel pipe W.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings of the present invention.

The utility model discloses a push rod mechanism, it includes push rod portion 1 and base 3.

The ejector rod part 1 at least comprises an ejector rod mounting plate 11, an ejector rod cylinder 12 and an ejector rod core 13, and the ejector rod cylinder 12 is fixedly connected with the ejector rod mounting plate 11 respectively. For example, the ejector rod mounting plate 11 is fixedly provided with a clamping plate 111, the clamping plate 111 is provided with an elastic seam 112, the ejector rod barrel 12 is embedded into the clamping plate 111, and a bolt passes through the elastic seam 112 and is screwed into the clamping plate 111, so that the inner wall of the clamping plate 111 abuts against the outer wall of the ejector rod barrel 12, and the ejector rod barrel 12 is respectively and fixedly connected with the ejector rod mounting plate 11.

The ejector rod core 13 penetrates through the ejector rod cylinder 12 and is connected with the ejector rod cylinder 12 in an axially translational mode; that is, the ram core 13 is movable along the axis of the ram cylinder 12, but is not rotatable around the axis of the ram cylinder 12.

The utility model discloses a push rod mechanism's theory of operation does: before using, will the utility model discloses a push rod mechanism fixes respectively in the both sides that are used for carrying conveyor [ such as power belt, roll table etc. of steel pipe W, and the drawing is not drawn ], be connected power spare 9 and push rod mounting panel 11 can. The power member 9 is a linear motion device of a cylinder and an electric cylinder.

When the steel pipe W is used, when the steel pipe W stops on a conveying device (such as a power belt, a roller way and the like, the attached drawing is not shown) (as shown in figure 5, the steel pipe W moves in the direction vertical to the paper surface), the power part 9 is controlled to extend, the power part 9 drives the ejector rod core 13 and the ejector rod cylinder 12 to move until the ejector rod cylinder 12 respectively abuts against the section of the steel pipe W, the ejector rod core 13 is attached to the inner cavity of the steel pipe W, and at the moment, the steel pipe W can be fixed along the axis of the steel pipe W and cannot move horizontally, so that the steel pipe W can be processed conveniently.

Further, the ejector rod mechanism of the utility model also comprises an adjusting part 2, the adjusting part 2 at least comprises an adjusting connecting plate 23, the number of the ejector rod barrels 12 and the number of the ejector rod cores 13 are equal and are more than two, each ejector rod barrel 12 is equidistantly arranged, each ejector rod core 13 is respectively and fixedly connected with the adjusting connecting plate 23, and the adjusting part 2 also comprises an adjusting fixing block 21 and an adjusting bolt 22; the adjusting fixing block 21 is fixed on the ejector rod mounting plate 11, and the adjusting bolt 22 is in threaded connection with the adjusting fixing block 21 and the adjusting connecting plate 23 in sequence. Usually, the adjusting connecting plate 23 is connected with the mandril mounting plate 11 through an adjusting moving piece 24, and the adjusting moving piece 24 is a linear guide device such as a linear bearing; to reduce friction between the ram cylinder 12 and the ram core 13. The adjusting bolt 22 is rotated to enable the adjusting connection plate 23 to drive the ejector rod cores 13 to synchronously move (move along the axis of the adjusting bolt 22), and the distance between the ejector rod cores 13 is equal (usually, the distance between two adjacent ejector rod cores 13 is equal to the outer diameter of the steel pipe W), so that the extending length (namely, the axial length of the extending part of the ejector rod core 13 from the ejector rod cylinder 12) of the ejector rod core 13 can be conveniently adjusted according to the requirement (usually according to the axial length of the steel pipe W). Generally, the adjusting fixing block 21 and the adjusting bolt 22 are two and respectively located at two sides of the ram mounting plate 11 [ two sides separated by a central area of the ram mounting plate 11 ].

Further, the ejector rod cylinder 12 is provided with an ejector rod column hole 122, the ejector rod core 13 comprises an ejector rod core head 131 and an ejector rod column 132 connected with the ejector rod core head 131, and the other end of the ejector rod column 132 (the other end of the ejector rod column 132 connected with the ejector rod core head 131) penetrates through the ejector rod cylinder 12 and is fixedly connected with the adjusting connecting plate 23; so that the ram core 13 passes through the ram cylinder 12 and is axially translatably connected with the ram cylinder 12.

Further, one end of the ejector rod barrel 12 is provided with an ejector rod column hole 122 communicated with the ejector rod core head cavity 121; the ram core 131 is partially located within the ram core cavity 121, and one end of the ram core 131 extends from the ram core cavity 121 such that the ram core 13 passes through the ram cylinder 12 and is axially translatably connected with the ram cylinder 12.

Preferably, the inner diameter of the lift pin core print cavity 121 is larger than the inner diameter of a circumscribed circle of a section of the lift pin core print 131 [ a section of the lift pin core print 131 taken on a plane perpendicular to the axis of the lift pin cylinder 12 ], the inner diameter of a circumscribed circle of a section of the lift pin core print 131 [ a section of the lift pin core print 131 taken on a plane perpendicular to the axis of the lift pin cylinder 12 ] is larger than the inner diameter of the lift pin cylinder hole 122, and the lift pin core print 131 is in threaded connection with the lift pin cylinder 132. In general, the cross section of the mandrel core 131 [ the cross section of the mandrel core 131 taken on a plane perpendicular to the axis of the mandrel cylinder 12 ] is square, and may be rectangular or circular. The mandrel core 131 can be detached by rotating the mandrel core 131, at this time, the mandrel core cavity 121 cannot block the rotation of the mandrel core 131, and conversely, the mandrel core 131 of other specifications (i.e., the mandrel core 131 with the inner diameter of the circumscribed circle of other cross section) can be rotated to connect the mandrel core 131 of other specifications with the mandrel column 132, so that the mandrel core 131 can be conveniently replaced, and the steel pipe W with different wall thicknesses can be used.

Further, the ejector core head 131 is provided with an insertion slope 133. Even if the wall thickness of the steel pipe W varies slightly, the mandrel core 131 can be inserted into the steel pipe W and adhered to the inner wall of the steel pipe W by the guide of the insertion slope 133, and the reliability of the apparatus can be improved.

Generally, the ejector rod mechanism of the utility model also comprises a base 3; the base 3 comprises a base plate 31, an abdicating rod 32 and a base moving piece 33; one side of the base plate 31 is fixedly connected with the top rod mounting plate 11 through the position-giving rod 32, and the base moving member 33 is arranged on the base plate 31. The base moving member 33 is generally a linear guide such as a linear bearing. Before the use, the base plate 31 can be fixed on two sides of a conveying device (such as a power belt, a roller way and the like, the attached figures are not shown) for conveying the steel pipe W, so that the installation of the push rod mechanism is facilitated.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention.

The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.

Claims

1. The ejector rod mechanism is characterized by comprising an ejector rod part (1) and a base (3); the ejector rod part (1) at least comprises an ejector rod mounting plate (11), an ejector rod cylinder (12) and an ejector rod core (13), and the ejector rod cylinder (12) is respectively and fixedly connected with the ejector rod mounting plate (11); the ejector pin core (13) penetrates the ejector pin cylinder (12) and is connected with the ejector pin cylinder (12) in an axially-translatable manner.

2. The ejector rod mechanism as claimed in claim 1, further comprising an adjusting part (2), wherein the adjusting part (2) at least comprises an adjusting connecting plate (23), the number of the ejector rod barrels (12) and the number of the ejector rod cores (13) are equal and are more than two, each ejector rod barrel (12) is arranged at equal intervals, each ejector rod core (13) is respectively and fixedly connected with the adjusting connecting plate (23), and the adjusting part (2) further comprises an adjusting fixing block (21) and an adjusting bolt (22); the adjusting fixing block (21) is fixed on the ejector rod mounting plate (11), and the adjusting bolt (22) is in threaded connection with the adjusting fixing block (21) and the adjusting connecting plate (23) in sequence.

3. A ram mechanism as claimed in claim 2, wherein the ram cylinder (12) is provided with a ram cylinder bore (122), the ram core (13) comprises a ram core head (131) and a ram cylinder (132) connected to the ram core head (131), and the other end of the ram cylinder (132) passes through the ram cylinder (12) and is fixedly connected to the adjusting connection plate (23).

4. A ram mechanism according to claim 3, wherein one end of the ram cylinder (12) is provided with a ram post hole (122) communicating with the ram core cavity (121); the mandrel core head (131) is partially positioned in the mandrel core head cavity (121), and one end of the mandrel core head (131) extends out of the mandrel core head cavity (121).

5. The ejector mechanism of claim 4, wherein the inner diameter of the ejector core cavity (121) is larger than the inner diameter of a circumscribed circle of the cross section of the ejector core (131), the inner diameter of a circumscribed circle of the cross section of the ejector core (131) is larger than the inner diameter of the ejector post hole (122), and the ejector core (131) is in threaded connection with the ejector post (132).

6. Ejector mechanism according to claim 4, characterized in that the ejector core print (131) is provided with an insertion bevel (133).

7. A ejector mechanism according to any of claims 1-6, further comprising a base (3); the base (3) comprises a base plate (31), an abdicating rod (32) and a base moving part (33); one side of the base plate (31) is fixedly connected with the ejector rod mounting plate (11) through the position rod (32), and the base moving piece (33) is arranged on the base plate (31).