CN216575378U

CN216575378U - Novel forging ejection mechanism

Info

Publication number: CN216575378U
Application number: CN202123140204.XU
Authority: CN
Inventors: 司宗青
Original assignee: Suzhou Hongyi Heavy Engineering Technology Co ltd
Current assignee: Suzhou Hongyi Heavy Engineering Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-24
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to a novel forging ejection mechanism, which comprises an ejector rod, an ejector rod guide sleeve arranged on the outer side of the ejector rod, a pull rod and a locking assembly arranged on the pull rod, wherein the ejector rod guide sleeve is arranged on the outer side of the ejector rod; the lower part of the pull rod is connected with the lower part of the ejector rod through a connecting beam, the ejector rod guide sleeve is used for being fixed on a machine body workbench to realize the guide effect on the ejector rod, and an inner hole of the ejector rod guide sleeve is of a sawtooth structure, so that the impurity can be conveniently discharged; 2 groups of anti-loosening assemblies are arranged above each pull rod, and threads corresponding to the 2 groups of anti-loosening assemblies are arranged on the pull rods respectively, so that the ejection stroke and the return stroke can be conveniently adjusted. The utility model is a mechanical pull rod ejection structure, is convenient for quick ejection and quick discharge, has simple structure, convenient adjustment and convenient maintenance, and is very suitable for the severe environment of the red forging die; the mechanism can be applied to various ranges, can be applied to any one form of four-column type, frame type and single-column type hydraulic machines, and can be applied to various tonnage.

Description

Novel forging ejection mechanism

Technical Field

The utility model relates to the technical field of forging processing equipment, in particular to a novel forging ejection mechanism.

Background

At present, the hot extrusion process of metal materials, such as the hot extrusion molding of automobile half shafts, shaft tubes and gears, and the upsetting and precision forging molding of metals, mostly adopts an ejection structure to eject a product, the prior art adopts a single or multiple oil cylinder ejection structure, the oil cylinder installation adopts a forward installation or reverse installation mode, and the oil cylinders are all arranged below a host machine. It has the following disadvantages: 1. the mechanism causes high manufacturing cost; 2. manpower and material resources are wasted; 3. the maintenance is inconvenient; 4. the oil cylinder sealing ring has short service life and is easy to leak oil, thereby causing environmental pollution; 5. the defects of multiple fault points, instability, reliability and the like are caused by the environment such as oxide skin, graphite emulsion and the like.

Therefore, the novel forging ejection mechanism is provided to solve the problems in the prior art and has important significance for application and popularization.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application aims to provide a novel forging ejection mechanism, so as to solve the problems existing in the prior art, such as high manufacturing cost, inconvenient maintenance, unstable reliability, complex actions, low efficiency, insufficient energy saving and consumption reduction, easy oil leakage of the oil cylinder, environmental pollution, and large impact.

In order to achieve the above object, the present application provides the following technical solutions.

A novel forging ejection mechanism comprises an ejector rod, an ejector rod guide sleeve arranged on the outer side of the ejector rod, a pull rod and a locking assembly arranged on the pull rod;

the utility model discloses a convenient impurity drainage device, including push rod, connecting beam, ejector pin guide sleeve, connecting beam, ejector pin guide sleeve and ejector pin, the pull rod below is connected with the ejector pin below through the connecting beam, the ejector pin guide sleeve is used for fixing on the fuselage workstation, realizes the guide effect to the ejector pin, and the guiding hole of ejector pin guide sleeve is the sawtooth structure, conveniently carries out the drainage of impurity.

Preferably, the number of the pull rods is 2, the 2 pull rods are respectively arranged on two sides of the ejector rod, and a pull rod guide sleeve is arranged at the joint of the lower part of each pull rod and the machine body workbench.

Preferably, 2 sets of anti-loosening assemblies are arranged above each pull rod, threads corresponding to the 2 sets of anti-loosening assemblies are respectively arranged on the pull rods, each set of anti-loosening assembly comprises a first nut and a second nut, and the first nut and the second nut are connected through screws.

Preferably, a ball head is arranged below the ejector rod, and a ball seat corresponding to the ball head is arranged on the connecting beam, so that a ball head and ball bowl structure is formed between the ejector rod and the connecting beam, and the ejector rod is automatically centered when stressed, so that the workpieces are stressed concentratedly and are not deviated.

Preferably, the ball seat passes through the fix with screw in the center of tie-beam, and the bulb outside is provided with the snap ring, and the snap ring passes through the fix with screw on the ball seat for automatic centering when the ejector pin atress makes the work piece concentrate the atress and does not squint.

Preferably, the ejector rod pad is arranged above the ejector rod and fixed on the ejector rod in a detachable mode, so that the end face of a workpiece can be protected, and the ejector rod pad can be conveniently replaced according to different dies.

Preferably, one side of the ejector rod guide sleeve, which is far away from the connecting beam, is provided with a fixing table, the fixing table is provided with screw holes distributed at equal intervals, and the ejector rod guide sleeve is fixedly connected with the machine body workbench through screws.

Preferably, the two sides of the ejector rod guide sleeve are provided with positioning tables so as to realize the centrality positioning of the ejector rod guide sleeve and the machine body workbench.

Preferably, the pull rod passes through the tie-beam, and the tie-beam passes through upper nut, lower nut and realizes the fixed connection with the pull rod to realize the fixed connection of tie-beam and pull rod, and can prevent 2 pull rods skew, and then guarantee that the ejector pin atress is reliable not unbalance loading.

The beneficial technical effects obtained by the utility model are as follows:

1. the utility model is a mechanical pull rod ejection structure, is convenient for quick ejection and quick discharge, has simple structure, convenient adjustment and convenient maintenance, and is very suitable for the severe environment of the red forging die; the hydraulic press can be applied to various ranges, can be applied to any one form of four-column type, frame type and single-column type hydraulic presses and the mechanism form which can be adopted by various tonnages;

2. the ejector rod is driven by the main oil cylinder through the return slide block through the final force point of the pull rod, so that the energy-saving and consumption-reducing hydraulic cylinder has the advantages of energy conservation, low noise, low impact, high efficiency, safety and reliability (a safety valve is arranged in a hydraulic mode); the ejection stroke and the withdrawal stroke can be adjusted in mean square, the reliability is ensured, and the effects of preventing oxide skin, thermal deformation, graphite emulsion and the like are realized;

3. according to the utility model, through the ejector rod, the ejector rod guide sleeve, the connecting beam, the pull rod and the pull rod guide sleeve, after a workpiece is pressed, the main oil cylinder drives the slide block to return, and the slide block return drives the connecting beam and the ejector rod to eject the workpiece out of a mold together through the pull rods on two sides, so that the workpiece can be conveniently taken out manually or by a mechanical arm; the ejector rod is connected with the connecting beam in a ball head and ball bowl manner, so that the ejector rod is automatically centered when stressed, and workpieces are stressed intensively and do not deviate; the method has the advantages of reliable and stable guiding precision, low fault point and long service life.

The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical means of the present application more clearly understood and to make the same practical in accordance with the content of the description, and to make the above and other objects, features, and advantages of the present application more apparent, the following is a preferred embodiment of the present application and is described in detail with reference to the accompanying drawings.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, as illustrated in the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic view, partially in section, of a novel forging ejection mechanism according to an embodiment of the present disclosure;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is an enlarged view taken at A of FIG. 1;

FIG. 4 is an enlarged view at B of FIG. 1;

FIG. 5 is a cross-sectional view of a ram guide sleeve according to an embodiment of the present disclosure;

fig. 6 is a side view of fig. 5.

In the above drawings: 100. a top rod; 110. a mandril guide sleeve; 111. a guide hole; 112. a fixed table; 113. screw holes; 114. a positioning table; 115. an inner bore; 120. a ball head; 121. a snap ring; 130. a jack rod pad; 200. a pull rod; 210. a pull rod guide sleeve; 220. a first nut; 230. a second nut; 300. a connecting beam; 310. a ball seat; 320. screwing a nut; 330. a lower nut; 400. a machine body workbench.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "the embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrase "one embodiment" or "the present embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

The term "at least one" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, at least one of a and B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.

It is further noted that, herein, relational terms such as first and second, and the like may be 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.

As shown in fig. 1-4, a novel forging ejection mechanism includes a top rod 100, a top rod guide sleeve 110 disposed outside the top rod 100, a pull rod 200, and a locking assembly disposed on the pull rod 200.

The lower part of the pull rod 200 is connected with the lower part of the ejector rod 100 through the connecting beam 300, the ejector rod guide sleeve 110 is used for being fixed on a machine body workbench to achieve the guiding effect on the ejector rod 100, a guide hole 111 is formed in the ejector rod guide sleeve 110, and the guide hole 111 is of a sawtooth structure, so that the excretion of impurities such as oxide skin and graphite emulsion is facilitated.

The number of the pull rods 200 is 2, the 2 pull rods 200 are respectively arranged at two sides of the ejector rod 100, and a pull rod guide sleeve 210 is arranged at the joint of the lower part of the pull rod 200 and the machine body workbench.

Further, the pull rod guide sleeve 210 is fixed below the machine body workbench through a screw, so as to ensure the overall guide precision of the pull rod 200.

In one embodiment, 2 sets of anti-loosening assemblies, namely an upper anti-loosening assembly and a lower anti-loosening assembly, are arranged above each pull rod 200, threads corresponding to the 2 sets of anti-loosening assemblies are respectively arranged on the pull rods 200, and the size of the ejection stroke of the ejector rod 100 can be adjusted by adjusting the height of the upper anti-loosening assembly on the pull rod 200; the retraction stroke of the mandril 100 can be adjusted by adjusting the height of the lower anti-loose assembly on the pull rod 200. The device has the advantages of convenient and easy observation of the adjusting space, stable and reliable mechanical anti-loosening assembly and convenient maintenance.

Further, referring to fig. 3, each set of anti-loose assembly includes a first nut 220 and a second nut 230, and the first nut 220 and the second nut 230 are connected by a screw.

In one embodiment, referring to fig. 4, a ball 120 is disposed below the top rod 100, and a ball seat 310 corresponding to the ball 120 is disposed on the connecting beam 300, so that a ball bowl structure is formed between the top rod 100 and the connecting beam 300, and the top rod 100 is automatically centered when being stressed, so that the workpiece is intensively stressed and does not deviate.

Ball seat 310 passes through the fix with screw in the center of tie-beam 300, and the bulb 120 outside is provided with snap ring 121, and snap ring 121 keeps bulb 120 one end, and snap ring 121 passes through the fix with screw on ball seat 310 for automatic centering when ejector pin 100 atress makes the work piece concentrate the atress and does not squint.

Furthermore, a top rod pad 130 is arranged above the top rod 100, the top rod pad 130 is detachably fixed on the top rod 100, the end face of a workpiece can be protected, replacement according to different molds is facilitated, the service life of the top rod 100 is effectively protected, and the working efficiency is improved.

The pull rod 200 penetrates through the connecting beam 300, the connecting beam 300 is fixedly connected with the pull rod 200 through the upper nut 320 and the lower nut 330, so that the connecting beam 300 is fixedly connected with the pull rod 200, 2 pull rods 200 are guaranteed to form an integral structure, 2 pull rods 200 can be prevented from offsetting, and the ejector rod 100 is guaranteed to be stressed reliably and not to be unbalanced in load.

Further, the pull rod 200 is provided with threads corresponding to the upper nut 320 and the lower nut 330, respectively, the lower nut 330 includes a first lower nut and a second lower nut, and the first lower nut and the second lower nut are connected by a screw, so as to realize the fixed connection between the connection beam 300 and the pull rod 200 and prevent the shift of the pull rod 200.

Further, as shown in fig. 5-6, the ejector rod guide sleeve 110 is made of QT500-7 nodular cast iron, so that the guide precision and the service life of the ejector rod 100 are greatly improved; the side of the ejector rod guide sleeve 110, which is far away from the connecting beam 300, is provided with a fixing table 112, the fixing table 112 is provided with screw holes 113 which are distributed at equal intervals, and the ejector rod guide sleeve 110 is fixedly connected with the machine body workbench through screws.

And positioning platforms 114 are arranged on two sides of the ejector rod guide sleeve 110, so that the ejector rod guide sleeve 110 and a machine body workbench are centrally positioned, and the concentricity of the ejector rod guide sleeve 110 and a die is realized.

Furthermore, be provided with hole 115 on the guiding hole 111 of ejector pin uide bushing 110, guiding hole 111 is the sawtooth structure, and hole 115 is convenient for process, on the basis of guaranteeing that ejector pin uide bushing 110 realizes the guide effect, reduces the sawtooth structure processing section length of guiding hole 111, shortens ejector pin uide bushing 110's process time greatly.

According to the working principle of the novel forging ejection mechanism, after a workpiece is pressed, the main oil cylinder drives the sliding block to return, the sliding block returns to drive the connecting beam 300 and the ejector rod 100 to eject the workpiece out of a die together through the pull rods 200 on the two sides, and therefore the workpiece can be conveniently taken out manually or by a manipulator.

It should be noted that the above-mentioned machine body worktable, the main oil cylinder and the slide block return stroke are all applied parts of the present application, belong to the prior art, and belong to the common general knowledge for those skilled in the art, and therefore are not described herein again.

The above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Variations, modifications, substitutions, integrations and parameter changes of the embodiments may be made without departing from the principle and spirit of the utility model, which may be within the spirit and principle of the utility model, by conventional substitution or may realize the same function.

Claims

1. The novel forging ejection mechanism is characterized by comprising an ejector rod (100), an ejector rod guide sleeve (110) arranged on the outer side of the ejector rod (100), a pull rod (200) and a locking assembly arranged on the pull rod (200);

the utility model discloses a convenient drainage of impurity, including pull rod (200), ejector pin (100), ejector pin uide bushing (110), guide hole (111) are the sawtooth structure, conveniently carry out the excretion of impurity, the pull rod (200) below is passed through tie-beam (300) and is connected with ejector pin (100) below, ejector pin uide bushing (110) are used for fixing on the fuselage workstation, realize the guide effect to ejector pin (100).

2. The novel forging ejection mechanism as claimed in claim 1, wherein the number of the pull rods (200) is 2, 2 pull rods (200) are respectively arranged on two sides of the ejector rod (100), and a pull rod guide sleeve (210) is arranged at the joint of the lower part of each pull rod (200) and the machine body workbench.

3. The novel forging ejection mechanism of claim 2, wherein 2 sets of anti-loosening assemblies are arranged above each pull rod (200), threads corresponding to the 2 sets of anti-loosening assemblies are respectively arranged on the pull rods (200), each set of anti-loosening assemblies comprises a first nut (220) and a second nut (230), and the first nut (220) and the second nut (230) are connected through screws.

4. The novel forging ejection mechanism as claimed in claim 1, wherein a ball head (120) is arranged below the ejector rod (100), and a ball seat (310) corresponding to the ball head (120) is arranged on the connecting beam (300) so as to form a ball head and ball bowl structure between the ejector rod (100) and the connecting beam (300), and the ejector rod (100) automatically centers when stressed, so that the workpiece is intensively stressed and does not deviate.

5. The novel forging ejection mechanism as claimed in claim 4, wherein the ball seat (310) is fixed at the center of the connecting beam (300) through a screw, a snap ring (121) is arranged on the outer side of the ball head (120), and the snap ring (121) is fixed on the ball seat (310) through a screw, so that the ejector rod (100) is automatically centered when being stressed, and the workpiece is not deviated when being intensively stressed.

6. The novel forging ejection mechanism as claimed in claim 1, wherein a top rod pad (130) is arranged above the top rod (100), and the top rod pad (130) is detachably fixed on the top rod (100), so that the end face of the workpiece can be protected, and the replacement of the top rod pad can be conveniently carried out according to different dies.

7. The novel forging ejection mechanism as claimed in claim 1, wherein a fixing table (112) is arranged on one side of the ejector rod guide sleeve (110) far away from the connecting beam (300), screw holes (113) are arranged on the fixing table (112) and distributed at equal intervals, and the ejector rod guide sleeve (110) is fixedly connected with the machine body workbench through screws.

8. The novel forging ejection mechanism as claimed in claim 1, wherein positioning tables (114) are arranged on both sides of the ejector rod guide sleeve (110) to realize the centering positioning of the ejector rod guide sleeve (110) and the machine body workbench.

9. The novel forging ejection mechanism of claim 1, wherein the pull rod (200) penetrates through the connecting beam (300), the connecting beam (300) is fixedly connected with the pull rod (200) through the upper nut (320) and the lower nut (330), so that the connecting beam (300) is fixedly connected with the pull rod (200), and 2 pull rods (200) can be prevented from offsetting, thereby ensuring that the ejector rod (100) is stressed reliably and is not unbalanced in load.