CN111375720A

CN111375720A - Forging and pressing forming device suitable for bar

Info

Publication number: CN111375720A
Application number: CN201911356494.6A
Authority: CN
Inventors: 陈国华; 陈千良; 朱佳伟; 邱伟; 沈荣; 潘利强; 杨月明; 莫会斌; 禇卫根; 柴建平
Original assignee: HUZHOU TAILUN ELECTRIC POWER EQUIPMENT CO Ltd
Current assignee: HUZHOU TAILUN ELECTRIC POWER EQUIPMENT CO Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-07

Abstract

The utility model provides a forging and pressing forming device suitable for bar, includes frame, forming die, punching press mechanism, shore mechanism and fixture, fixture is located forming mechanism with shore between the mechanism, fixture is used for the fixed bar of waiting to process, shore mechanism is used for shore the tail end of waiting to process the bar, forming mechanism is used for driving forming die reciprocating motion, forming die is used for cooperating punching press mechanism shore mechanism reaches fixture and treat that the head end roof pressure of processing the bar is moulding. The automatic adjusting device is simple in structure, convenient to use, easy to assemble, convenient to adjust, high in automation degree, high in processing stability, safe and reliable, greatly reduces the labor intensity of workers, improves the working efficiency, and is worthy of popularization and application in the field.

Description

Forging and pressing forming device suitable for bar

Technical Field

The invention relates to the technical field of forging processing, in particular to a forging and pressing forming device suitable for bars.

Background

Forging is the combination of forging and stamping, and is a forming method for obtaining a product with a required shape and size by applying pressure to a bar stock by using a hammer head, an anvil block and a punch of a forging and stamping machine or through a die to generate plastic deformation. There are many workpieces formed by forging and pressing, such as connecting parts like extension tie rods, U-shaped rings, ball head suspension rings, etc., which are widely used in overhead power lines, and certainly include workpieces in other fields. When manufacturing and processing such kind of work piece, old-fashioned method in the past utilizes the friction press, like the friction press disclosed in patent document with application number CN201820106817.0, including the friction press main part, the right lower extreme fixed surface of friction press main part is connected with the fixed plate, the upper right end of fixed plate is equipped with the limiting plate, the inside of fixed plate is rotated through first pivot and is connected with first connecting rod, the upside of first connecting rod is rotated through the second pivot and is connected with the second connecting rod, the left downside of second connecting rod is rotated through the fifth pivot and is connected with the sleeve, the left end fixed surface of friction press main part is connected with the straight rack, the left side of straight rack is rotated the meshing and is connected with the gear, the inside of gear is rotated through the fourth pivot and is connected with first connecting block, the left side of first connecting block is connected with fixed curb plate through spout sliding connection, but the energy loss is large, the machine parts are easy to damage, the working efficiency is low, the labor intensity of workers is large, and the requirements of industrial production in a new era can not be met. Many types of forging devices for forging a bar material required for each unit have been designed, and it is a subject to be studied how to find or design a forging device suitable for a bar material (which is commonly used in an electric connecting part).

Disclosure of Invention

The invention aims to provide a forging and pressing forming device suitable for bars, which solves the problems existing in the background technology.

The specific technical scheme of the invention is as follows: the utility model provides a forging and pressing forming device suitable for bar, includes frame, forming die, punching press mechanism, shore mechanism and fixture, fixture is located forming mechanism with shore between the mechanism, fixture is used for the fixed bar of waiting to process, shore mechanism is used for shore the tail end of waiting to process the bar, forming mechanism is used for driving forming die reciprocating motion, forming die is used for cooperating punching press mechanism shore mechanism reaches fixture and treat that the head end roof pressure of processing the bar is moulding.

Preferably, the stamping mechanism comprises a first driving source and a punch rod, the punch rod is connected with the first driving source and driven by the first driving source in a reciprocating mode, and the forming die is connected to the end portion of the punch rod.

Preferably, the top bracing mechanism comprises a support baffle, a threaded ejector rod and a stroke valve, the support baffle is connected to the frame, the threaded ejector rod penetrates through the support baffle, and the head end surface of the threaded ejector rod is used for matching with the forming mechanism, and the stroke valve is connected to the threaded ejector rod and attached to the surface of the support baffle.

Preferably, a bar positioning groove is formed in the head end face of the threaded ejector rod and used for clamping and positioning the tail end of the bar to be processed.

Preferably, the clamping mechanism comprises a fixed end block, a movable end block and a second driving source, the fixed end block is connected to the rack, the movable end block is connected with the second driving source and driven by the second driving source in a reciprocating mode, the fixed end block and the movable end block are oppositely arranged and can be abutted and attached, and bar bearing brackets which can be spliced are arranged on opposite side faces of the fixed end block and the movable end block.

Preferably, the clamping mechanism further comprises a limiting block and a third driving source, the limiting block is connected with the third driving source and driven by the third driving source in a reciprocating mode, and the limiting block is used for moving to the back face of the movable end block and attaching to the back face of the movable end block after the movable end block is abutted to the fixed end block.

Preferably, the back surface of the movable end block and the bottom surface of the limiting block are inclined surfaces which can be matched and attached tightly.

Preferably, the back surface of the movable end block and the bottom surface of the limiting block are provided with tooth grooves matched with each other.

Preferably, a feed opening is formed in a bedplate of the rack and used for allowing bars after processing to fall through, a feed space communicated with the feed opening is formed in the rack, and a discharge conveyor belt is arranged below an outlet of the feed space.

Preferably, a lateral baffle is arranged in the blanking space.

The forging and pressing forming device has the technical advantages of simple structure, convenience in use, simplicity and easiness in assembly, convenience in adjustment, higher automation degree, capability of greatly reducing the labor intensity of workers and improving the working efficiency, high processing stability, safety and reliability, and is worthy of popularization and use in the field.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention;

the names of the parts corresponding to the numbers in the figure are respectively: 1-machine frame, 2-forming die, 3-discharge conveyor belt, 4-lateral baffle, 5-heating electric furnace, 6-electric appliance cabinet, a 1-first driving source, a 2-plunger, b 1-supporting baffle, b 2-threaded ejector rod, b 3-stroke valve, c 1-fixed end block, c 2-movable end block, c 3-second driving source, c 4-bar bearing bracket, c 5-limiting block, c 6-third driving source, c 7-top sticking sleeve and c 8-elastic connecting piece.

Detailed Description

The invention will be further illustrated by means of specific embodiments in the following description with reference to the accompanying drawings:

referring to fig. 1, an embodiment of a forging and pressing forming device suitable for bars comprises a rack 1, a forming die 2, a punching mechanism, a supporting mechanism and a clamping mechanism, wherein the clamping mechanism is located between the forming mechanism and the supporting mechanism, the clamping mechanism is used for fixing the bars to be processed, the bars to be processed are preheated and softened by a heating electric furnace 5, then are moved into the device by a manipulator or a worker, and are clamped and fixed by the clamping mechanism. The top supporting mechanism is used for supporting the tail end of a bar to be processed, the forming mechanism is used for driving the forming die 2 to move in a reciprocating mode, and the forming die 2 is used for matching with the punching mechanism, the top supporting mechanism and the clamping mechanism to be used for jacking and shaping the head end of the bar to be processed. In addition, an electrical cabinet 6 is separately arranged for controlling the operation of each mechanism in the device.

The punching mechanism comprises a first driving source a1 and a punch a2, the punch a2 is connected with the first driving source a1 and is driven by the first driving source a1 in a reciprocating mode in the X direction, and the forming die 2 is connected to the end portion of the punch a 2. The first driving source a1 is a hydraulic press and is arranged at the leftmost side of the table top of the frame 1. The forming mold 2 can be made in various ways according to different required forming shapes.

The top support mechanism comprises a support baffle b1, a threaded ejector rod b2 and a stroke valve b3, the support baffle b1 is connected to the frame 1, the threaded ejector rod b2 penetrates through the support baffle b1, and the head end face of the threaded ejector rod b2 is used for matching with the stroke valve b3 of the forming mechanism, is connected to the threaded ejector rod b2 and is attached to the surface of the support baffle b 1. And relative to the stamping mechanism, the top bracing mechanism is arranged on the right side of the table top of the frame 1. The supporting baffle b1 is generally provided with two blocks, and the supporting baffle b1 has enough support for the threaded mandril b2 and keeps the working position of the threaded mandril b2 stable. According to the length of the processed bar stock, the thread mandril b2 is correspondingly adjusted leftwards or rightwards by utilizing the stroke valve b3, even if the thread mandril b2 moves forwards or backwards, when the head end of the bar stock is pressed and shaped by the punch a2 of the forming die 2, the thread mandril b2 supports the tail end of the bar stock. Furthermore, a bar locating groove is formed in the head end face of the threaded ejector rod b2 and used for clamping and locating the tail end of a bar to be processed, and the cross section of the bar locating groove can be circular, square and the like according to the shape of the tail end of the bar.

The clamping mechanism comprises a fixed end block c1, a movable end block c2 and a second driving source c3, as shown in fig. 2, the fixed end block c1 is connected to the rack 1, the movable end block c2 is connected with the second driving source c3 and driven by the second driving source c3 in a reciprocating mode in the Y direction, the second driving source c3 is only required to be an air cylinder, and the second driving source can be directly and fixedly connected to the rack 1; the fixed end block c1 and the movable end block c2 are oppositely arranged and can be butted and jointed, and bar bearing brackets c4 which can be spliced are arranged on the opposite side surfaces of the fixed end block c1 and the movable end block c 2. The second driving source c3 is fixedly connected to the top of the frame 1. In the figure, the fixed end block c1 and the movable end block c2 are square blocks, the opposite side surfaces are provided with semicircular grooves, and after the movable end block c2 is pushed to be attached to the fixed end block c1, a bar is clamped and fixed in the spliced circular grooves, so that the subsequent punch forming is facilitated. If the bar is supported and fixed only by the semicircular grooves of the two end blocks, the working position of the bar during or during processing can be deviated, so that a stable structure of the bar working position is necessarily added, namely a top sticking sleeve c7 is arranged on the surface of each bar bearing bracket c4, and the top sticking sleeve c7 is connected with the surface of the bar bearing bracket c4 through an elastic connecting piece c 8. In this embodiment, the elastic connector c8 is formed of a plurality of springs. The top sticking sleeve c7 on each bar bearing groove c4 only needs to stick the side part of the bar adaptively, and the circumferential side of the bar is not required to be fully wrapped.

Furthermore, in order to ensure the stability of bar positioning during stamping, the clamping mechanism further comprises a limiting block c5 and a third driving source c6, wherein the limiting block c5 is connected with the third driving source c6 and is driven by the third driving source c6 in a reciprocating manner in the Z direction, the third driving source c3 is an air cylinder, and the third driving source c3 can be mounted on a vertical mounting frame which is fixedly connected to the rack 1; the stop block c5 is used to move to and engage the back face of the movable end block c2 after the movable end block c2 is mated with the fixed end block c 1. The back surface of the movable end block c2 and the bottom surface of the limit block c5 are inclined surfaces which can be matched and tightly attached, and the inclined surfaces are designed to be matched with the third driving source c6 arranged in the Z direction, so that the limit block c5 can conveniently press the movable end block c2 in the vertical direction; two inclined planes all are equipped with the matched with tooth's socket, improve the fastening effect after the laminating. Although the third driving source c6 may be provided in the Y direction on the horizontal plane so that the stopper c5 abuts against the movable end block c2, the Z direction of the third driving source c6 is provided to effectively abut against and restrict the movable end block c2 without increasing the horizontal dimension of the top surface of the rack 1 in consideration of the rational layout of the installation space.

Be equipped with the feed opening on the platen of frame 1, the feed opening is used for supplying the bar after the processing to accomplish to drop and passes through, frame 1 is inside to be equipped with the communicating unloading space of feed opening, and the export below in unloading space is equipped with exit conveyor 3. The opening length of the feed opening is long enough to always contain the distance from the clamping mechanism to the head end of the threaded top bar b 2. The lateral baffle 4 is arranged in the blanking space, the vertical falling bar is limited, and the bar is prevented from deviating and not falling onto the discharging conveyor belt 3. The outfeed conveyor 3 carries the processed bars to an external stock location, such as a cart as shown.

This embodiment degree of automation is higher, reduces workman intensity of labour, and labour saving and time saving has promoted the finished product quality of production efficiency and bar, and is high-efficient convenient, safe and reliable, is worth using widely in this field.

It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims

1. The utility model provides a forging and pressing forming device suitable for bar which characterized in that: including frame (1), forming die (2), punching press mechanism, shore mechanism and fixture, fixture is located forming mechanism with shore between the mechanism, fixture is used for fixing and treats the processing bar, shore mechanism is used for shore the tail end of treating the processing bar, forming mechanism is used for driving forming die (2) reciprocating motion, forming die (2) are used for the cooperation punching press mechanism shore mechanism reaches fixture and treat the head end roof pressure moulding of processing the bar.

2. A forging and pressing forming apparatus for bar stock as claimed in claim 1, wherein: the stamping mechanism comprises a first driving source (a 1) and a punch rod (a 2), wherein the punch rod (a 2) is connected with the first driving source (a 1) and driven by the first driving source (a 1) in a reciprocating mode, and the forming die (2) is connected to the end portion of the punch rod (a 2).

3. A forging and pressing forming apparatus for bar stock as claimed in claim 1, wherein: the top bracing mechanism comprises a supporting baffle plate (b 1), a threaded mandril (b 2) and a travel valve (b 3), the supporting baffle plate (b 1) is connected on the rack (1), the threaded mandril (b 2) penetrates through the supporting baffle plate (b 1), the head end surface of the threaded mandril (b 2) is used for matching the forming mechanism, the travel valve (b 3) is connected on the threaded mandril (b 2) and attached to the surface of the supporting baffle plate (b 1).

4. A forging and pressing forming apparatus for bar stock as claimed in claim 3, wherein: and a bar positioning groove is formed in the head end face of the threaded ejector rod (b 2), and the bar positioning groove is used for clamping and positioning the tail end of a bar to be processed.

5. A forging and pressing forming apparatus for bar stock as claimed in claim 1, wherein: the clamping mechanism comprises a fixed end block (c 1), a movable end block (c 2) and a second driving source (c 3), wherein the fixed end block (c 1) is connected to the rack (1), the movable end block (c 2) is connected with the second driving source (c 3) and driven by the second driving source (c 3) in a reciprocating mode, the fixed end block (c 1) and the movable end block (c 2) are arranged oppositely and can be abutted and attached, and bar bearing brackets (c 4) which can be spliced and attached are arranged on opposite side faces of the fixed end block (c 1) and the movable end block (c 2).

6. A forging and pressing forming device for bar stock as claimed in claim 5, wherein: the clamping mechanism further comprises a limiting block (c 5) and a third driving source (c 6), the limiting block (c 5) is connected with the third driving source (c 6) and driven by the third driving source (c 6) in a reciprocating mode, and the limiting block (c 5) is used for moving to the back face of the movable end block (c 2) and attaching to the back face of the movable end block (c 2) after the movable end block (c 2) is connected with the fixed end block (c 1) in an abutting mode.

7. A forging and pressing forming device for bar stock as claimed in claim 6, wherein: the back surface of the movable end block (c 2) and the bottom surface of the limiting block (c 5) are inclined surfaces which can be matched and attached tightly.

8. The method of claim 7, wherein: the back surface of the movable end block (c 2) and the bottom surface of the limiting block (c 5) are provided with tooth grooves which are matched with each other.

9. A forging and pressing forming apparatus for bar stock as claimed in claim 1, wherein: the automatic feeding device is characterized in that a feed opening is formed in a platen of the rack (1), the feed opening is used for allowing bars after processing to fall through, a feeding space communicated with the feed opening is formed in the rack (1), and a discharging conveyor belt (3) is arranged below an outlet of the feeding space.

10. A forging and pressing forming apparatus for bar stock as claimed in claim 9, wherein: and a lateral baffle (4) is arranged in the blanking space.