CN203892506U - Novel ejection rod device - Google Patents

Novel ejection rod device Download PDF

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Publication number
CN203892506U
CN203892506U CN201420330114.8U CN201420330114U CN203892506U CN 203892506 U CN203892506 U CN 203892506U CN 201420330114 U CN201420330114 U CN 201420330114U CN 203892506 U CN203892506 U CN 203892506U
Authority
CN
China
Prior art keywords
push rod
ejection rod
top stem
stem casing
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420330114.8U
Other languages
Chinese (zh)
Inventor
张盟
赵东
孙连江
刘海洋
张浩波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Jinan
Original Assignee
University of Jinan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Jinan filed Critical University of Jinan
Priority to CN201420330114.8U priority Critical patent/CN203892506U/en
Application granted granted Critical
Publication of CN203892506U publication Critical patent/CN203892506U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a novel ejection rod device, and relates to the technical field of ejection rods. The novel ejection rod device solves the problems that an ejection rod and a driven element are abraded severely in the work process, and the work position of the ejection rod is inconvenient to adjust. The ejection rod device and the driven element are in rolling friction which replaces sliding friction between a common ejection rod and the driven element, frictional abrasion of the driven element and the ejection rod is reduced, and the service life of the ejection rod and the driven element is prolonged. When the ejection rod device is limited by an installation position and the ejection rod cannot act on the driven element accurately, the position of an ejection rod sleeve in an ejection rod base can be adjusted so that the ejection rod device can be in the reasonable work position, and accordingly it is guaranteed that the ejection rod can accurately act on the driven element. The novel ejection rod device is simple in structure, convenient to install and adjust and capable of being widely used.

Description

A kind of Novel mandril device
Technical field
The utility model relates to push rod technical field, the pin-lift arrangement that specifically a kind of working position is adjustable, working life is longer.
Background technique
In machinery industry, often use push rod, especially, in having the working environment of vibration, violent vibration makes push rod in axial motion process, is accompanied by transverse translation; Or as the case may be, require push rod in axial motion process, also to have the situation of transverse translation.In the course of the work, between common push rod and Passive part, can produce sliding friction, make Passive part and push rod serious wear, thereby the life-span of having reduced Passive part and push rod increase cost.In some cases, the mounting point of push rod is restricted, and makes the push rod can not be exactly to Passive part effect, thereby Passive part kinematic accuracy is reduced, and the precision of machine is also along with reduction.Therefore, designing a kind of pin-lift arrangement, reduce the friction between push rod and Passive part, improve the working life of push rod and Passive part, and be convenient to the adjusting of push rod working position, is very necessary.
Model utility content
The purpose of this utility model is to provide a kind of Novel mandril device, for solving push rod and Passive part serious wear, push rod working position in the course of the work, regulates inconvenient problem.
The technical scheme in the invention for solving the technical problem is: a kind of Novel mandril device, it is characterized in that, comprise tip-lever support, top stem casing, push rod, spring and roller, described tip-lever support is L shaped metalwork, in one end of described tip-lever support, be provided with the mounting hole being connected with fitting seat, the other end at described tip-lever support is provided with a through hole, fixedly mounts a columnar top stem casing in described through hole, in one end of described top stem casing, is provided with a guider screw; The movable push rod that is nested with a circle in described top stem casing, installs one first nut in the left end cooperation of described push rod, between described the first nut and the left side of top stem casing, is provided with an elastic washer; On described push rod, be provided with a groove, the bottom of described guider screw extend in groove and the external diameter of described guider screw identical with the width dimensions of groove; The right-hand member of described push rod stretches out one section of top stem casing, right-hand member at described push rod is provided with a columniform portion of expanding, the described external diameter that expands portion is greater than the external diameter of push rod, described expanding, rotates a roller is installed in portion, described expanding, is provided with a spring between portion and top stem casing.
Further, fix the fixing column of a circle at the left end of described push rod, in one end of the described fixing column being connected with push rod, be provided with outside thread, described the first nut coordinates with the outside thread of fixing column.
Further, described push rod is one-body molded with the portion of expanding, described expanding, be provided with one in portion and be parallel to the axial tangent plane of the portion of expanding, on the described outer wall that expands portion, be provided with the 3rd tapped hole that runs through tangent plane, on described the 3rd tapped hole, coordinate a bolt is installed, on described bolt, rotate roller is installed.
Further, be provided with one second tapped hole on described top stem casing, described guider screw coordinates with the second tapped hole, and the bottom of described guider screw is optical axis.
Further, described mounting hole is step hole.
Further, on described tip-lever support, be provided with a rectangular indentation being communicated with through hole, in the side of described tip-lever support, be provided with first tapped hole that runs through breach, in described the first tapped hole, coordinate a screw is installed.
The beneficial effects of the utility model are: between the pin-lift arrangement that the utility model provides and Passive part, be rolling friction, replaced the sliding friction producing between common push rod and Passive part, reduce the fretting wear of Passive part and push rod, improved the working life of push rod and Passive part.When pin-lift arrangement is subject to the restriction of mounting point, make push rod can accurately not do the used time to Passive part, can by adjusting, be arranged on the position of top stem casing in tip-lever support, make pin-lift arrangement have rational working position, thereby guarantee that push rod is exactly to Passive part effect.The utility model is simple in structure, and installation, easy to adjust, can extensive use.
Accompanying drawing explanation
Fig. 1 is graphics of the present utility model;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is A-A sectional view in Fig. 2;
Fig. 4 is the graphics of tip-lever support;
Fig. 5 is top stem casing graphics;
Fig. 6 is push rod graphics;
Fig. 7 is guider screw graphics;
In figure: 1 first nut, 2 elastic washers, 3 guider screws, 31 guide portions, 4 screws, 5 tip-lever supports, 51 mounting holes, 52 first tapped holes, 53 through holes, 54 breach, 6 top stem casings, 61 second tapped holes, 62 inner chambers, 7 push rods, 71 expand portion, 72 grooves, 73 the 3rd tapped holes, 74 outside threads, 75 tangent planes, 76 fixing columns, 8 springs, 9 second nuts, 10 bolts, 11 rollers.
Embodiment
As shown in Figure 1, the utility model comprises the first nut 1, elastic washer 2, guider screw 3, screw 4, tip-lever support 5, top stem casing 6, push rod 7, spring 8, the second nut 9, bolt 10 and roller 11.Below in conjunction with accompanying drawing, this model utility is described.
As shown in Figure 4, tip-lever support 5 is a L shaped metalwork, is provided with two mounting holes 51 in one end of push rod, and mounting hole is step hole, by construction bolt on the mounting hole of tip-lever support, tip-lever support is fixed on fitting seat.The other end at tip-lever support is provided with a through hole 53, and this through hole is used for installing top stem casing 6, is provided with the breach 54 of a rectangle on the tip-lever support of this end, and this breach is connected with through hole.In the side of tip-lever support, be also provided with the bi-side that one first tapped hole 52, the first tapped holes pass breach and run through tip-lever support.In the through hole of tip-lever support, be equipped with a top stem casing 6, as shown in Figure 5, top stem casing is columnar metalwork, the external diameter of top stem casing is identical with the aperture of through hole, during installation, top stem casing is placed in through hole, then on the first tapped hole of tip-lever support, coordinates mounting screw 4, by extruding, realize fixing between top stem casing and tip-lever support.In one end of top stem casing, be provided with one second tapped hole 61, as shown in Figure 3, in the inner chamber 62 of top stem casing, be equipped with a push rod 7, as shown in Figure 6, push rod is cylindrical metal part, in one end of push rod, is provided with the portion of expanding 71, and the portion of expanding is columniform metalwork, expand portion and the setting of push rod coaxial line be connected, the outside dimension of portion of expanding is greater than the outside dimension of push rod.Be provided with one the 3rd tapped hole 73 expanding on portion's external cylindrical surface, be provided with a tangent plane 75 in the portion of expanding, this tangent plane forms a plane in the portion of expanding, and the 3rd tapped hole runs through this tangent plane.In the 3rd tapped hole, coordinate a bolt 10 is installed, coordinate the second nut 9 is installed on the bolt of portion outside being positioned to expand.Installation one roller 11 is rotated in the one end on bolt with nut.The groove 72 that is provided with a strip on external cylindrical surface away from one end of the portion of expanding on push rod, this groove is corresponding with the second tapped hole on top stem casing.At the fixing column 76 near fixedly mounting a circle on the push rod end face of groove, the external diameter of fixing column is less than the external diameter of push rod, and fixing column can be welded and fixed with push rod, also can be one-body molded.In the fixing column one end contacting with push rod, be provided with outside thread 74.One first nut 1 coordinates with outside thread 74, as shown in Figure 1 and Figure 2, is provided with an elastic washer 2 between the first bolt and top stem casing left end.By the first bolt be provided for realizing the axial limiting to push rod, now, can not there is axially movement to the right in push rod.
The second tapped hole on top stem casing is corresponding with the groove on push rod, that is, after push rod is arranged in top stem casing, the groove on push rod is positioned at the below of the second tapped hole on top stem casing.In the second tapped hole on top stem casing, coordinate a guider screw 3 is installed, as shown in Figure 7, the guide portion 31 of guider screw is optical axis, and the guide portion of guider screw extend in groove, and the outside dimension of guide portion is identical with the width of groove.When push rod moves in top stem casing, the setting of guider screw can guarantee that push rod only in axial direction moves, and can not rotate.In the right side of top stem casing and expand and be provided with a spring 8 between portion, spring empty set is on push rod.
During installation, one end that tip-lever support 5 is provided with mounting hole contacts cooperation with fitting seat, and realizes being connected of tip-lever support and fitting seat by bolt.Top stem casing 6 is fastened in the through hole 53 of tip-lever support by screw 4, and push rod is nested with in top stem casing, and leads by the movement direction of 3 pairs of push rods of guider screw.When fitting seat generation axial motion and be accompanied by under the operating mode of transverse translation, or as the case may be, require push rod in axial motion process, also to have under the operating mode of transverse translation, in rise, first the roller 11 of pin-lift arrangement touches Passive part, fitting seat continues to push ahead until Passive part while reaching the limit of position, and push rod can oppositely translation under the leading role of guider screw, guarantees that Passive part is not destroyed.In backhaul, spring by compression recovers gradually, and push rod is bounce back into initial position.Fitting seat transverse translation in rise process, it between the roller of this pin-lift arrangement and Passive part, is rolling friction, replaced the sliding friction producing between common push rod and Passive part, reduced the fretting wear of Passive part and push rod, thereby improved the working life of push rod and Passive part.
When pin-lift arrangement is subject to the restriction of mounting point, make push rod can accurately not do the used time to Passive part, can make pin-lift arrangement in rational working position by regulating the position of top stem casing in tip-lever support, thereby guarantee that push rod can effectively apply effect to Passive part.

Claims (6)

1. a Novel mandril device, it is characterized in that, comprise tip-lever support, top stem casing, push rod, spring and roller, described tip-lever support is L shaped metalwork, in one end of described tip-lever support, be provided with the mounting hole being connected with fitting seat, the other end at described tip-lever support is provided with a through hole, fixedly mounts a columnar top stem casing in described through hole, in one end of described top stem casing, is provided with a guider screw; The movable push rod that is nested with a circle in described top stem casing, installs one first nut in the left end cooperation of described push rod, between described the first nut and the left side of top stem casing, is provided with an elastic washer; On described push rod, be provided with a groove, the bottom of described guider screw extend in groove and the external diameter of described guider screw identical with the width dimensions of groove; The right-hand member of described push rod stretches out one section of top stem casing, right-hand member at described push rod is provided with a columniform portion of expanding, the described external diameter that expands portion is greater than the external diameter of push rod, described expanding, rotates a roller is installed in portion, described expanding, is provided with a spring between portion and top stem casing.
2. a kind of Novel mandril device according to claim 1, is characterized in that, fixes the fixing column of a circle at the left end of described push rod, in one end of the described fixing column being connected with push rod, is provided with outside thread, and described the first nut coordinates with the outside thread of fixing column.
3. a kind of Novel mandril device according to claim 2, it is characterized in that, described push rod is one-body molded with the portion of expanding, described expanding, be provided with one in portion and be parallel to the axial tangent plane of the portion of expanding, on the described outer wall that expands portion, be provided with the 3rd tapped hole that runs through tangent plane, on described the 3rd tapped hole, coordinate a bolt is installed, on described bolt, rotate roller is installed.
4. a kind of Novel mandril device according to claim 1, is characterized in that, is provided with one second tapped hole on described top stem casing, and described guider screw coordinates with the second tapped hole, and the bottom of described guider screw is optical axis.
5. a kind of Novel mandril device according to claim 1, is characterized in that, described mounting hole is step hole.
6. a kind of Novel mandril device according to claim 1, it is characterized in that, on described tip-lever support, be provided with a rectangular indentation being communicated with through hole, in the side of described tip-lever support, be provided with first tapped hole that runs through breach, in described the first tapped hole, coordinate a screw is installed.
CN201420330114.8U 2014-06-19 2014-06-19 Novel ejection rod device Withdrawn - After Issue CN203892506U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420330114.8U CN203892506U (en) 2014-06-19 2014-06-19 Novel ejection rod device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420330114.8U CN203892506U (en) 2014-06-19 2014-06-19 Novel ejection rod device

Publications (1)

Publication Number Publication Date
CN203892506U true CN203892506U (en) 2014-10-22

Family

ID=51718914

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420330114.8U Withdrawn - After Issue CN203892506U (en) 2014-06-19 2014-06-19 Novel ejection rod device

Country Status (1)

Country Link
CN (1) CN203892506U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104061308A (en) * 2014-06-19 2014-09-24 济南大学 Novel ejecting-rod device
CN109319402A (en) * 2018-09-27 2019-02-12 禹州市昆仑模具有限公司 A kind of pulley support mechanism
CN110937368A (en) * 2018-09-21 2020-03-31 北京铂阳顶荣光伏科技有限公司 Elastic guide wheel structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104061308A (en) * 2014-06-19 2014-09-24 济南大学 Novel ejecting-rod device
CN104061308B (en) * 2014-06-19 2016-07-13 济南大学 A kind of pin-lift arrangement
CN110937368A (en) * 2018-09-21 2020-03-31 北京铂阳顶荣光伏科技有限公司 Elastic guide wheel structure
CN109319402A (en) * 2018-09-27 2019-02-12 禹州市昆仑模具有限公司 A kind of pulley support mechanism
CN109319402B (en) * 2018-09-27 2024-04-09 湖南天信船用配套设备制造有限公司 Pulley supporting mechanism

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20141022

Effective date of abandoning: 20160713

C25 Abandonment of patent right or utility model to avoid double patenting