CN207548120U - A kind of automatic fastening device of vibration damper complement assembly machine - Google Patents

Abstract

The utility model discloses an automatic tightening device of a shock absorber assembly assembly machine. The automatic tightening device includes a stand, and the stand includes a left vertical board and a right vertical board arranged at left and right intervals, and a left vertical board and a right vertical board. The upper end of the plate is provided with an integrally formed first support plate, and the end surface of the first support plate is vertically provided with an integrally formed rectangular frame adjacent to its rear end surface, and the front end surface of the upper frame of the rectangular frame is horizontally provided with a top plate, and the top plate and the first support plate There are two uprights at left and right intervals between the boards, a slider is set on the two uprights, a rectangular through hole is set in the middle and lower part of the slider, a card slot is set in the middle part of the upper end of the slider, and the upper end of the slider is fixed with a front and back horizontal reinforcement. Plate, the utility model can realize automatic tightening, can ensure automatic identification of nut tightening during assembly, and the tightening torque is stable and reliable, can improve production efficiency, reduce labor intensity, and save costs.

Description

An automatic tightening device for a shock absorber assembly machine

technical field

The utility model relates to the technical field of automobile shock absorber assembly, in particular to an automatic tightening device of a shock absorber assembly assembly machine.

Background technique

Automobile shock absorber is a shock-absorbing device for automobiles. In order to quickly attenuate the vibration of the frame and body, thereby improving the ride comfort and comfort of the car, the automobile suspension system is generally equipped with shock absorbers. The shock absorber can buffer the pressure generated during bumps, making the car run more smoothly.

In the traditional shock absorber assembly process, the nut assembly is basically tightened by an electric wrench, which cannot identify the false torque generated, the tightening torque is unstable, prone to loose nuts, excessive torque and other quality problems, the tightening process requires manual operation, and average It takes 20 seconds to process a product, and the efficiency is low. At present, major domestic automobile manufacturers require suppliers to use servo tightening equipment in assembly fastening to ensure uniform assembly force. The fastening process can identify false torque and ensure process stability. Automobile shock absorbers are safety parts, which have relatively high requirements for product stability and safety, so it is very necessary to use servo tightening equipment in the assembly process.

Utility model content

The purpose of this utility model is to address the deficiencies of the existing technology, to provide an automatic tightening, to ensure that the nut is tightened automatically during assembly, and the tightening torque is stable and reliable, which can improve production efficiency, reduce labor intensity, and save costs. The automatic tightening device of the device assembly machine.

In order to solve the above technical problems, the utility model adopts the following technical scheme: an automatic tightening device of a shock absorber assembly assembly machine, the automatic tightening device includes a stand, and the stand includes left vertical plates and right The vertical boards, the upper ends of the left vertical board and the right vertical board are provided with an integrally formed first support plate, and the end surface of the first support plate is vertically provided with an integrally formed rectangular frame adjacent to its rear end surface, and the front end surface of the upper frame of the rectangular frame is horizontally A top plate is provided, and two uprights are arranged at left and right intervals between the top plate and the first support plate, and a slider is arranged on the two uprights, a rectangular through hole is arranged in the middle and lower part of the slider, and a card slot is arranged in the middle part of the upper end of the slider. The upper end is fixed with a front and rear reinforcement plate, and the lower end of the reinforcement plate is equipped with a force block on both sides of the slider. All the electric wrenches pass through the rectangular through hole of the slider; the first linear cylinder is vertically arranged directly above the upper slider on the top plate, and the outer end of the piston rod of the first linear cylinder passes through the top plate and the reinforcing plate and is fixed on the slider. In the card slot at the upper end of the block, the first linear cylinder can push the slider to slide up and down along the column. There is a base plate at the bottom of the stand, and a support seat is set at the middle of the front side of the upper end of the base plate. A second support plate is arranged transversely between them, and an auxiliary clamping device is provided on the upper end of the second support plate; The second linear cylinder, the front end of the second linear cylinder is provided with a slide rail-type parallel mechanical gripper, and the front end of the slide rail type parallel mechanical gripper is provided with two clamping blocks, and the inner surfaces of the two clamping blocks are symmetrically and vertically provided with arc-shaped recesses. groove.

The columns are all cylindrical columns.

A linear bearing is arranged between the two cylindrical columns and the slider to make the slider slide more smoothly.

The electric wrench is an electric elbow constant torque wrench.

The elbow of the electric elbow constant torque wrench is arranged directly above the support base.

Rubber pads are arranged in the two arc-shaped grooves.

Compared with the prior art, the beneficial effects of the utility model are: the utility model can realize automatic tightening, can ensure automatic identification of nut tightening during assembly, and the tightening torque is stable and reliable, can improve production efficiency, reduce labor intensity, and save costs.

Description of drawings

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

Fig. 2 is the front view of the utility model;

Fig. 3 is a schematic structural diagram of the slider.

201. The first linear cylinder, 202. Right vertical plate, 204. Bottom plate, 205. Slider, 206. Electric elbow constant torque wrench, 207. Cylindrical column, 208. Slide rail type parallel mechanical gripper, 209. Clamping block, 210. Second linear cylinder, 211. Support seat, 212. Second support plate, 214. Left vertical plate, 216. Force block, 217. Reinforcement plate, 218. Fixed plate, 221. Rectangular through hole , 222. Card slot.

Detailed ways

Embodiment: As shown in Figure 1-3, an automatic tightening device of a shock absorber assembly assembly machine described in the utility model, the automatic tightening device includes a stand, and the stand includes left vertical The upper ends of the plate 214 and the right vertical plate 202, the left vertical plate 214 and the right vertical plate 202 are provided with an integrally formed first support plate, and the upper surface of the first support plate is vertically provided with an integrally formed rectangular frame adjacent to its rear end surface. The front end face of the upper frame of the frame is horizontally provided with a top plate, and two columns are arranged at intervals between the top plate and the first supporting plate. A linear bearing is arranged between the vertical column 207 and the slider 205 to make the slider 205 slide more smoothly. The middle and lower part of the slider 205 is provided with a rectangular through hole 221, and the middle part of the upper end of the slider 205 is provided with a card slot 222. Reinforcing plates 217 arranged horizontally at the front and rear are provided. Stress blocks 216 are provided on the front and rear sides of the slider 205 on the lower end surface of the reinforcement plate 217. A fixed plate 218 is provided at the lower end of the two force-bearing blocks 216. An electric motor is fixedly installed on the lower end surface of the fixed plate 218. The wrench, the fixed plate 218 and the electric wrench all pass through the rectangular through hole 221 of the slider 205, the electric wrench is an electric elbow constant torque wrench 206, and the reinforcing plate 217 and the top plate are all provided with a first through hole.

A first linear cylinder 201 is vertically arranged directly above the upper slider 205 on the top plate, and the outer end of the piston rod of the first linear cylinder 201 passes through the first through hole of the top plate and the reinforcing plate 217, and is clamped on the slider. In the card slot 222 at the upper end of the 205, the first linear cylinder 201 can push the slider 205 to slide up and down along the cylindrical column 207, the bottom of the stand is provided with a base plate 204, and the upper end of the base plate 204 is provided with a support seat 211 in the middle of the front side. The elbow of the constant torque wrench 206 is arranged directly above the support base 211, a second support plate 212 is arranged horizontally between the left vertical plate 214 and the right vertical plate 202 in the middle and lower part of the stand, and the upper end of the second support plate 212 is provided with an auxiliary clip. tightening device; the auxiliary clamping device includes a support block, the support block is horizontally arranged on the middle rear part of the upper end surface of the second support plate 212, the upper end of the support block is provided with a second linear cylinder 210, and the front end of the second linear cylinder 210 is provided with a slide rail type Parallel mechanical grippers 208, two clamping blocks 209 are arranged at the front end of the sliding rail type parallel mechanical grippers 208, arc-shaped grooves are arranged vertically and symmetrically on the inner sides of the two clamping blocks 209, and rubber is arranged in the two arc-shaped grooves. pad.

The utility model is assembled on the workbench and used with the turntable. When the shock absorber fixed by the clamping mechanism on the turntable rotates to the front end of the stand, the support base 211 holds up the bottom end of the clamping mechanism on the turntable, and the second linear cylinder 210 Push the sliding rail type parallel mechanical gripper 208 forward, the sliding rail type parallel mechanical gripper 208 clamps the shock absorber and fix it again, the first linear cylinder 201 pushes the slider 205 to move downward along the cylindrical column 207, so that the electric motor The elbow of the elbow constant torque wrench 206 acts on the nut at the upper end of the shock absorber fixed by the clamping mechanism, and the electric elbow constant torque wrench 206 works to tighten.

The utility model can realize automatic tightening, can ensure automatic identification of nut tightening during assembly, and the tightening torque is stable and reliable, can improve production efficiency, reduce labor intensity, and save costs.

Claims (6)

1. a kind of automatic fastening device of vibration damper complement assembly machine, it is characterised in that：The automatic fastening device includes vertical Frame, stand include the spaced left riser in left and right and right riser, and the upper end of left riser and right riser is provided with integrally formed First support plate, the first support plate upper surface are vertically arranged with integrally formed rectangle frame close to end face thereafter, rectangle frame it is upper Frame front end face is horizontally arranged with top plate, and left and right is arranged at intervals with two root posts, two root posts between top plate and the first support plate On be provided with a sliding block, sliding block middle and lower part is provided with rectangular through-hole, and card slot is provided in the middle part of upper end of slide block, and upper end of slide block fixation is set The securing plate of anterior-posterior horizontal setting is equipped with, securing plate lower face sliding block front and rear sides are equipped with force block, and two force block lower ends are set Fixed plate is equipped with, fixed plate lower face is fixedly installed electric wrench, and the rectangle that fixed plate and electric wrench both pass through sliding block leads to Hole；First straight line cylinder is vertically arranged with right over the sliding block of top plate upper surface, the piston rod outer end of first straight line cylinder passes through Top plate and securing plate are fastened in the card slot of upper end of slide block, and first straight line cylinder can push sliding block to be slided up and down along column, are stood Frame bottom is provided with bottom plate, and middle part is provided with support base on front side of bottom plate upper surface, between the left riser in stand middle and lower part and right riser The second support plate is horizontally arranged with, the second support plate upper end is provided with auxiliary clamping device；Auxiliary clamping device includes supporting block, Supporting block anterior-posterior horizontal is arranged on the second support plate upper surface middle and back, and supporting block upper end is provided with second straight line cylinder, and second Straight line cylinder front end is provided with the parallel mechanical grip of sliding rail type, and the parallel mechanical grip front end of sliding rail type is provided with two gripping blocks, and two Gripping block medial surface is symmetrically vertically arranged with arc groove.

2. a kind of automatic fastening device of vibration damper complement assembly machine according to claim 1, it is characterised in that：Described Column is cylindrical column.

3. a kind of automatic fastening device of vibration damper complement assembly machine according to claim 2, it is characterised in that：Two cylinders Linear bearing is provided between shape column and sliding block, slides sliding block more smooth.

4. a kind of automatic fastening device of vibration damper complement assembly machine according to claim 1, it is characterised in that：Described Electric wrench is electronic elbow constant torque wrench.

5. a kind of automatic fastening device of vibration damper complement assembly machine according to claim 4, it is characterised in that：Described The elbow of electronic elbow constant torque wrench is arranged on the surface of support base.

6. a kind of automatic fastening device of vibration damper complement assembly machine according to claim 1, it is characterised in that：Described Rubber pad is provided in two arc grooves.