CN203496296U

CN203496296U - Double-toggle transmission mechanism for high-speed precise punching machine

Info

Publication number: CN203496296U
Application number: CN201320495549.3U
Authority: CN
Inventors: 张治军; 彭进利
Original assignee: ZHEJIANG SHUAIFENG PRECISION MACHINERY MANUFACTURING Co Ltd
Current assignee: ZHEJIANG SHUAIFENG PRECISION MACHINERY MANUFACTURING Co Ltd
Priority date: 2013-08-14
Filing date: 2013-08-14
Publication date: 2014-03-26
Anticipated expiration: 2023-08-14

Abstract

The utility model relates to a double-toggle transmission mechanism for a high-speed precise punching machine. The double-toggle transmission mechanism is characterized in that a dynamic balance block is vertically connected with a top base in a sliding way; a vertical sliding rod is fixedly arranged on the dynamic balance block; a slider I is horizontally connected with a platform body in the sliding way; a slider II is horizontally connected with the platform body in the sliding way; one end of a connecting rod I is connected with a crankshaft, and the other end of the connecting rod I is connected with a toggle I; one end of an upper connecting rod I is connected with the toggle I, and the other end of the upper connecting rod I is connected with a toggle III; one end of a lower connecting rod I is connected with the toggle I, and the other end of the lower connecting rod I is connected with a toggle V; one end of a connecting rod II is connected with the crankshaft, and the other end of the connecting rod II is connected with a toggle II; one end of an upper connecting rod II is connected with the toggle II, and the other end of the upper connecting rod II is connected with a toggle IV; one end of a lower connecting rod II is connected with the toggle II, and the other end of the lower connecting rod II is connected with a toggle VI; connecting parts of the connecting rod I and the connecting rod II which are connected with the crankshaft are respectively positioned on symmetrical surfaces of a cross section of the crankshaft. According to the double-toggle transmission mechanism disclosed by the utility model, better parallelism and perpendicularity of a sliding block can be kept when the sliding block moves up and down.

Description

Double-toggle transmission mechanism for dieing machine

Technical field

The utility model relates to a kind of double-toggle transmission mechanism for dieing machine, for dieing machine.

Background technology

The punch press of prior art uses maximum crank drivening rods to make slide block make upper and lower rectilinear motion and realizes parting matched moulds and carry out stamping press, speed while approaching matched moulds, time is of short duration, easily there is sideslip phenomenon, precision of stamping parts cannot be guaranteed, thereby can only lower product of precision of punching press, whole operating efficiency is very low simultaneously.Also there is in addition the structure of the double-toggle of design, as the Chinese patent that application number is 200920000239.3, name is called the double-toggle type connecting rod mechanism that is applicable to forcing press, the Chinese patent that application number is 201020100567, name is called punching machine structure, because connecting rod is connected to the corresponding surface of bent axle, the elbow point of connecting rod is not limit the free degree simultaneously, thereby make bent axle when motion, lay respectively at single toggle structure angle asymmetry of both sides, thereby in slide block decline process, cause angle of inclination, make the Product Precision gone out impaired.

Utility model content

The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, keeps the double-toggle transmission mechanism for dieing machine of the good depth of parallelism and perpendicularity when slide block is moved up and down.

The technical scheme in the invention for solving the above technical problem is: a kind of double-toggle transmission mechanism for dieing machine, comprises middle abutment body, footstock, left guide pillar, right guide pillar, bent axle; It is characterized in that: also comprise connecting rod, No. two connecting rods, slider, No. two sliders, upper connecting rod, No. two upper connecting rods, lower link, No. two lower links, lower connecting rod, toggle, No. two toggles, No. three toggles, No. four toggles, No. five toggles, No. six toggles, dynamic balance weight, perpendicular slide bar;

Dynamic balance weight and footstock are vertically slidably connected; Perpendicular slide bar is fixed on dynamic balance weight; On perpendicular slide bar, be provided with No. three toggles and No. four toggles; No. one slider is connected with middle abutment body horizontal slip, is provided with No. one toggle on a slider; No. two sliders be connected with middle abutment body horizontal slip, on No. two sliders, be provided with No. two toggle; On left guide pillar, be provided with toggle No. five, on right guide pillar, be provided with toggle No. six;

No. one connecting rod one end is connected with bent axle, and the other end is connected with a toggle; No. one upper connecting rod one end is connected with a toggle, and the other end is connected with No. three toggles; No. one lower link one end is connected with a toggle, and the other end is connected with No. five toggles;

No. two connecting rod one end is connected with bent axle, and the other end is connected with No. two toggles; No. two upper connecting rod one end is connected with No. two toggles, and the other end is connected with No. four toggles; No. two lower link one end is connected with No. two toggles, and the other end is connected with No. six toggles;

The connecting portion of connecting rod and No. two connecting rods and bent axle is positioned at respectively the plane of symmetry in bent axle cross section.

The utility model also comprises lower connecting rod, and lower connecting rod is fixedly installed between No. five toggles and No. six toggles.

A slider described in the utility model and No. two sliders are symmetrical arranged.

A upper connecting rod described in the utility model and No. two upper connecting rods are symmetrical arranged.

A lower link described in the utility model and No. two lower links are symmetrical arranged.

The utility model compared with prior art, have the following advantages and effect: reasonable in design, operating efficiency is high, can guarantee the depth of parallelism that slide block moves up and down and the precision of perpendicularity, improve the precision of punch press, improve machine fatigue resistance simultaneously, the stability of work, machine can normally be moved under higher rotating speed, thereby shorten the production time of product, provide cost savings.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 is the partial structurtes schematic diagram of Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.

Referring to Fig. 1 and Fig. 2, the utility model embodiment comprises middle abutment body 2, footstock 3, left guide pillar 21, right guide pillar 23, bent axle 4, connecting rod 41, No. two connecting rods 42, slider 43, No. two sliders 44, upper connecting rod 45, No. two upper connecting rods 46, lower link 47, No. two lower links 48, lower connecting rod 50, toggle 51, No. two toggles 52, No. three toggles 53, No. four toggles 54, No. five toggles 55, No. six toggles 56, dynamic balance weight 61, perpendicular slide bar 6.

Base 1, middle abutment body 2 and footstock 3 are fixed together.

Left guide pillar 21 and right guide pillar 23 are arranged between middle abutment body 2 and footstock 3, two guide pillar difference connection sliding blocks 22.On left guide pillar 21, be provided with No. five toggle 55, on right guide pillar 23, be provided with No. six toggle 56.

Dynamic balance weight 61 is vertically slidably connected with footstock 3 by perpendicular slide bar 6, and dynamic balance weight 61 can move up and down.

Perpendicular slide bar 6 is fixed on dynamic balance weight 61, is provided with No. three toggles 53 and No. four toggles 54 on perpendicular slide bar 6.

No. one slider 43 is connected with middle abutment body 2 horizontal slips, and No. one slider 43 can only along continuous straight runs motion.On a slider 43, be provided with No. one toggle 51.

No. two slider 44 is connected with middle abutment body 2 horizontal slips, and No. two slider 44 can only along continuous straight runs motion.On No. two sliders 44, be provided with No. two toggle 52.

No. one connecting rod 41 one end are connected with bent axle 4, and the other end is connected with a toggle 51.No. one upper connecting rod 46 one end are connected with a toggle 51, and the other end is connected with No. three toggles 53.No. one lower link 47 one end are connected with a toggle 51, and the other end is connected with No. five toggles 55.

No. two connecting rod 42 one end are connected with bent axle 4, and the other end is connected with No. two toggles 52.No. two upper connecting rod 46 one end are connected with No. two toggles 52, and the other end is connected with No. four toggles 54.No. two lower link 48 one end are connected with No. two toggles 52, and the other end is connected with No. six toggles 56.

Connecting rod 41 and No. two connecting rods 42 and the connecting portion of bent axle 4 are positioned at respectively the plane of symmetry in bent axle 4 cross sections.

Perpendicular slide bar 6 and dynamic balance weight 61, integral body moves up and down.

Lower connecting rod 50 is fixedly installed between No. five toggles 55 and No. six toggles 56.

A slider 43 and No. two sliders 44 are symmetrical arranged.

A upper connecting rod 45 and No. two upper connecting rods 46 are symmetrical arranged.

A lower link 47 and No. two lower links 48 are symmetrical arranged.

Because connecting rod 41 and No. two connecting rods 42 and the connecting portion of bent axle 4 are positioned at respectively the plane of symmetry in bent axle 4 cross sections, thereby when work a connecting rod 41, No. two connecting rods 42 equate with respect to the displacement of horizontal direction, simultaneously because slider 43 and slider 44 all can only along continuous straight runs motions, so a upper connecting rod 45 that is arranged on both sides is the same with a lower link 47 with the movement locus of No. two upper connecting rods 46 and No. two lower links 48, and synchronous, so left guide pillar 21 and moving up and down of right guide pillar 23 are also consistent, thereby can guarantee the depth of parallelism that slide block 22 moves up and down and the precision of perpendicularity, improve the precision of this kind of structure punch press, improved machine fatigue resistance simultaneously, the stability of work, machine can normally be moved under higher rotating speed, thereby shorten the production time of product, provide cost savings.An other upper connecting rod 45 is connected with No. four toggles 54 by No. three toggles 53 with the upper end of No. two upper connecting rods 46, the lower end of a lower link 47 and No. two lower links 48 is connected with lower connecting rod 50 with No. six toggles 56 by No. five toggles 55, from can further guaranteeing from another point of view the track that is synchronized with the movement of both sides guide pillar, more effectively guarantee the precision of punch press.

The utility model arranges dynamic balance weight 61, when slide block 22 moves up or down in the time of can guaranteeing work, all keep balance, upper and lower supporting design due to dynamic balance weight 61 and slide block 22, reduced the fluctuation of motor power output, improved machine fatigue resistance, the stability of work can normally be moved machine under higher rotating speed, thereby the production time that shortens product, provide cost savings.

In addition, it should be noted that, the specific embodiment described in this description, the shape of its parts and components, institute's title of being named etc. can be different, and the above content described in this description is only to the explanation of the utility model structure example.

Claims

1. for a double-toggle transmission mechanism for dieing machine, comprise middle abutment body, footstock, left guide pillar, right guide pillar, bent axle; It is characterized in that: also comprise connecting rod, No. two connecting rods, slider, No. two sliders, upper connecting rod, No. two upper connecting rods, lower link, No. two lower links, lower connecting rod, toggle, No. two toggles, No. three toggles, No. four toggles, No. five toggles, No. six toggles, dynamic balance weight, perpendicular slide bar;

2. the double-toggle transmission mechanism for dieing machine according to claim 1, is characterized in that: also comprise that lower connecting rod, lower connecting rod are fixedly installed between No. five toggles and No. six toggles.

3. the double-toggle transmission mechanism for dieing machine according to claim 1, is characterized in that: described a slider and No. two sliders are symmetrical arranged.

4. the double-toggle transmission mechanism for dieing machine according to claim 1, is characterized in that: described a upper connecting rod and No. two upper connecting rods are symmetrical arranged.

5. the double-toggle transmission mechanism for dieing machine according to claim 1, is characterized in that: described a lower link and No. two lower links are symmetrical arranged.