CN202684467U - Axle case bolt pull-down type pressing mechanism - Google Patents

Abstract

The utility model discloses an axle case bolt pull-down type pressing mechanism which is characterized in that an axle case bolt pressing rod is a reversely-arranged L-shaped member formed by a top horizontal pressing head and a vertical rod. The L-shaped member corresponds to the positions of all axle cases in a one-to-one mode through the top horizontal pressing head. A pressing disk above the top horizontal pressing head is driven by a pull rod and a power cylinder to press downwards. The vertical rod is in mesh transmission with a rotor through a transmission gear to fold and unfold the top horizontal pressing head. The axle case bolt pull-down type pressing mechanism is used for pressing axle case bolts and is efficient and safe.

Description

Axle housing bolt pull-down press mechanism

Technical field

The utility model relates to a kind of equipment that is applied in the automobile assembling industry, more specifically says be used to the device that press-fits the axle housing bolt.

Background technology

In automobile assembling industry, in the axle shell bolt press-fited, press-fiting by following manner of bolt of reversal of the natural order of things realized: inserting bolt from inside to outside in the axle housing die cavity manually with the single bolt that knocks of instrument, is pressed into axle housing.How smaller the axle housing of reversal of the natural order of things bolt is, and the die cavity space is less, inconvenient operation, and not only production efficiency is low, and knocks in the process and easily hurt sb.'s feelings.

Summary of the invention

The utility model is for avoiding the existing weak point of above-mentioned prior art, an axle housing bolt pull-down press mechanism is provided, so that for more efficient, the safety of press-fiting of axle shell bolt.

The utility model is that the technical solution problem adopts following technical scheme:

The design feature of the utility model axle housing bolt pull-down press mechanism is: each axle housing bolt depression bar is set is by what top water concora crush head and vertical bar consisted of and be inverted " L " type member; Corresponding one by one with the position of each axle housing bolt with described top water concora crush head, above described top water concora crush head, platen is set, bottom centre position at described platen is fixedly connected with pull bar, and the bottom of described pull bar is connected with the piston rod rod end of power cylinder, consists of press mechanism.

Compared with the prior art, the utility model beneficial effect is embodied in:

The utility model is to drive axle housing bolt depression bar with pull bar under the driving of power cylinder to make axle housing bolt depression bar be able to press-fit fully in axle housing, does not need artificial action, and its process safety is reliable.

Description of drawings

Fig. 1 is the utility model implementation structural representation;

Fig. 2 is the utility model press mechanism schematic diagram;

Fig. 3 is that the utility model axle housing bolt depression bar expands into working state schematic representation;

Fig. 4 is the utility model axle housing bolt depression bar rounding state schematic diagram;

Number in the figure: 1 bottom frame; 2 power cylinders; 3 axle housing bolts; 4 axle housings; 5 spline sheets; 6 joints; 7 bearing pins; 8 pull bars; 10 platforms; 11 telescoping mechanisms; 12 driving members; 13 flanges, 14 bearings; 15 pull bar sliding sleeves; 16 rotors; 17 securing members; 18 gear fasteners; 19 bearings; 20 backing plates; The horizontal pressure head of 21a; The vertical bar of 21b; 22 pull bar stage clips; 23 travelling gears; 24 platen nuts; 25 platen fasteners; 26 platens; 27 cushion pads; 28 ship and resell on another market; 29 depression bar return springs; 30 pedestals; 31 sliding sleeves.

The specific embodiment

The structure of present embodiment intermediate axle shell bolt pull-down press mechanism is set to:

Power cylinder 2 is fixedly installed on the frame 1 of bottom, pass through stent support platform 10 in bottom frame 1, the bar bottom that is the pull bar 8 of vertical setting is connected with the piston rod rod end of power cylinder 2 on being in same axial location, connector therebetween is joint 6 and bearing pin 7, be fixedly installed spline sheet 5 at joint 6, spline sheet 5 is inserted in the radial slot of bearing pin 7 to stop the rotation of bearing pin 7.

But the telescoping mechanism 11 of a horizontal extension is set in the bottom of platform 10, but the expansion link of telescoping mechanism 11 is contained in rotor 16 rotations of the periphery of pull bar 8 by a driving member 12 actuating sleeves, be provided with the periphery driving cog in the upper end of rotor 16, the lower end of rotor 16 is bearing in the die cavity of pedestal 30 by bearing 14, and can rotate around the mold cavity axis of pedestal 30; Pedestal 30 is fixedly installed on the platform 10; Be positioned at the top of pedestal 30, backing plate 20 is connected with bearing 19 and is fixedly installed on the pedestal 30.

Axle housing bolt depression bar is to be inverted " L " type member by what top water concora crush head 21a and vertical bar 21b consisted of, top water concora crush head 21a is corresponding one by one with the position of each axle housing bolt 3, vertical bar 21b is inserted in the sliding sleeve 31 and can rotates in sliding sleeve 31, and sliding sleeve 31 is fixedly installed in the axial sliding sleeving hole on the bearing 19; Bar bottom at vertical bar 21b is overlapped a travelling gear 23 admittedly, is meshed with driving cog on the rotor 16 with travelling gear 23.

Be fixedly installed platen 26 on the top of pull bar 8, be fixedly installed at the end face of horizontal pressure head 21a and ship and resell on another market 28, rotatable in 28 the pin-and-holes on the correspondence position of platen 26 of shipping and reselling on another market.

Be set with pull bar stage clip 22 at pull bar 8, be set with depression bar return spring 29 at vertical bar 21b.

In the implementation, corresponding structure setting also comprises:

Rotor 16 is to be arranged in the die cavity of pedestal 30 by flange 13 and bearing 14, is fixedly installed pull bar sliding sleeve 15 in rotor 16, and pull bar 8 runs through pull bar sliding sleeve 15, and rotatable in pull bar sliding sleeve 15; Between horizontal pressure head 21a and platen 26, cushion pad 27 is set; Platen 26 is the tops that are connected to pull bar 8 by platen nut 24 and platen fastener 25; Travelling gear 23 is the lower ends that are locked at vertical bar 21b by gear fastener 18 and securing member 17; Power cylinder 2 adopts oil cylinder, and telescoping mechanism 11 adopts cylinder, and driving member (12) is arranged on the rack geared structure between telescoping mechanism (11) and the rotor (16).

The course of work:

By power cylinder 2 drop-down joints 6 and bearing pin 7, it is descending to drive pull bar 8 and platen 26, and depression bar return spring 29 and pull bar stage clip 22 are compressed, and axle housing bolt depression bar is thereupon descending, and presses to axle housing bolt 3 by horizontal pressure head 21a; When axle housing bolt 3 press-fited finish after, push away on the power cylinder 2, pull bar 8 rises, pull bar stage clip 22 is upspring platen 26, depression bar return spring 29 is upspring axle housing bolt depression bar, and the rotation of nutating gear 23 and axle housing bolt depression bar is with in 16 rotations of telescoping mechanism 11 pulling driving members 12 rotor drivens indirectly, make the pressure head position gathering of horizontal pressure head 21a be shown in Figure 4, be the removable axle housing that press-fits 4 of having finished axle housing bolt 3 this moment;

Replacing treats after the casting die that 16 rotations of telescoping mechanism 11 pulling driving members 12 rotor drivens are with nutating gear 23 and horizontal pressure head 21a rotary expansion as shown in Figure 3 indirectly, and power cylinder 2 is again drop-down, repeats said process;

The microbus rear axle housing bolt that the utility model is applied in 1.6 discharge capacities press-fits process, eight M8 bolt synchronous press mountings, upper press-fit with lower to press-fit blanking time only be 25 seconds, and manually knocking in the existing technology press-fits complete procedure and needs 200 seconds.

Claims (1)

1. axle housing bolt pull-down press mechanism is characterized in that: each axle housing bolt depression bar is set is by what top water concora crush head (21a) and vertical bar (21b) consisted of and be inverted " L " type member; Corresponding one by one with the position of each axle housing bolt (3) with described top water concora crush head (21a), in the top of described top water concora crush head (21a) platen (26) is set, bottom centre position at described platen (26) is fixedly connected with pull bar (8), the bottom of described pull bar (8) is connected with the piston rod rod end of power cylinder (2), consists of press mechanism.

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