CN-117465013-B - Transverse press-fitting device and press-fitting process for rubber joints

CN117465013BCN 117465013 BCN117465013 BCN 117465013BCN-117465013-B

Abstract

The invention discloses a rubber joint transverse press-fitting device which is used for assembling a rubber body of a rubber joint in a joint mounting hole of a joint mounting seat in an interference manner, and comprises a control system, a mounting platform, a press-fitting tool, a press-fitting driving source, a first adjustable upright post, a second adjustable upright post and a stop block mechanism, wherein the press-fitting tool is transversely placed and comprises a positioning guide sleeve, a guide block and a press-fitting block, and the positioning guide sleeve comprises a guide sleeve and a positioning hoop which are fixedly connected; the transverse press-fitting device is simple in structure, low in cost and high in operability, the press-fitting process step of press-fitting by using the device is simple, the press-fitting can be completed by single person independent operation, and the press-fitting efficiency, the accuracy and the qualification rate are high.

Inventors

ZHAO DONGBIN
SUN LI
LI ZHONGTIAN
SUN CHUNLIN
Bi Changfu
MA YUYANG

Assignees

天津电力机车有限公司

Dates

Publication Date: 20260512
Application Date: 20231101

Claims (6)

1. The transverse press-fitting device for the rubber joint is used for interference-fitting a rubber body of the rubber joint in a joint mounting hole of a joint mounting seat and is characterized by comprising a control system, a mounting platform, a press-fitting tool, a press-fitting driving source, a first adjustable upright, a second adjustable upright and a stop block mechanism, wherein the control system is electrically connected with the press-fitting driving source, the first adjustable upright, the second adjustable upright and the stop block mechanism, a component to be assembled is placed on the mounting platform, the first adjustable upright and the second adjustable upright are both mounted on the mounting platform, the press-fitting driving source is arranged at the upper end of the first adjustable upright, the stop block mechanism is arranged at the upper end of the second adjustable upright, and the press-fitting tool is clamped between the press-fitting driving source and the stop block mechanism after being assembled with the rubber joint; the press-fitting tool is transversely placed and comprises a positioning guide sleeve, a guide block and a press-fitting block, wherein the positioning guide sleeve comprises a guide sleeve and a positioning hoop which are fixedly connected; The positioning hoop comprises a semicircular hoop, a first positioning wing plate and a second positioning wing plate, one end of the semicircular hoop is sleeved and fixed on the outer peripheral surface of one end of the guide sleeve, the first positioning wing plate and the second positioning wing plate are respectively formed by extending two ends of the semicircular hoop along the tangential direction, when the positioning hoop is assembled, the other end of the semicircular hoop is tightly clamped with the outer peripheral surface of the joint mounting seat on the side surface of the component to be assembled, the first positioning wing plate is tightly pressed on the lower technological surface of the joint mounting seat, the second positioning wing plate is tightly pressed on the upper technological surface of the joint mounting seat, so that a penetrating guide hole in the guide sleeve and the joint mounting hole are coaxially positioned, and the aperture of the guide hole is larger than that of the joint mounting hole; The guide block is arranged in the guide sleeve in a sliding manner and is spliced with the flat head at one end of the rubber joint, the guide block is in sliding fit with the joint mounting hole, the stop block mechanism is provided with a material receiving hole which is aligned with and connected with the joint mounting hole, and the depth of the material receiving hole is equal to the length of the guide block and is used for receiving the guide block and limiting the rubber joint in place; The press-fit block is connected with the flat head at the other end of the rubber joint in an inserting mode, two guide convex strips are symmetrically arranged on the outer circumferential surface of the press-fit block and matched with guide grooves axially arranged in the guide holes so as to position the angles of the flat head at the two ends of the rubber joint, and when the press-fit is carried out, the press-fit driving source is pressed against the end portion of the press-fit block and drives the press-fit block to slide in the guide holes along the transverse direction.
2. The device for transversely press-fitting the rubber joint of claim 1, wherein the first adjustable upright post and the second adjustable upright post are telescopic upright posts which are arranged in a synchronous lifting manner, an adjusting sliding rail is arranged on the mounting platform along the transverse direction, and the first adjustable upright post is arranged on the adjusting sliding rail.
3. The device for transversely press-fitting rubber joints according to claim 2, wherein the semicircular hoops further comprise positioning baffles for positioning the longitudinal positions of the components to be assembled, a plurality of T-shaped baffle grooves along the transverse direction are formed in the mounting platform according to different longitudinal position parameters of the components to be assembled, and the positioning baffles are of T-shaped structures and are inserted into the corresponding baffle grooves.
4. The device according to claim 1, wherein the positioning extension plate is formed by extending the outer end of the second positioning wing plate, is adapted to the shape of the connecting surface of the joint mounting seat, and is in fit connection with the connecting surface of the joint mounting seat.
5. The transverse press-fitting device for rubber joints according to claim 1, wherein the guide hole comprises a guide section and an inserting section, the inserting section is positioned at the other end of the guide sleeve, the aperture of the inserting section is matched with the groove bottom spacing of the two guide grooves, the bottom of the inserting section is provided with two semi-annular guide step surfaces connected with the guide section, the two guide step surfaces are of spiral guide structures with the same rotation direction, the guide starting ends and the guide tail ends of the guide sections are positioned at the same height, and the two ends of the guide sections are respectively connected with the two guide grooves.
6. A press-fitting process using the rubber joint lateral press-fitting device according to any one of claims 1 to 5, characterized by comprising the steps of: a. Positioning the component to be assembled; the to-be-assembled component is hung on the mounting platform, the heights of the first adjustable upright post and the second adjustable upright post are adjusted through the control system, so that the stop block mechanism and the press-assembled driving source are respectively positioned on the same height with the joint mounting hole of the to-be-assembled component, the longitudinal position of the to-be-assembled component is adjusted, the joint mounting hole is positioned between the upper stop block mechanism and the press-assembled driving source, and the control system drives the stop block mechanism to be abutted to one end face of the joint mounting seat so as to position the transverse position along the transverse direction; b. Assembling the press-fit tool; the flat heads at two ends of the rubber joint are respectively inserted and connected with the guide block and the press-fit block, and the guide block, the press-fit block and the press-fit block are simultaneously inserted into the guide holes of the positioning guide sleeve, and when the rubber joint is inserted and installed to the press-fit block, the press-fit block is rotated until the guide convex strips are inserted into the guide grooves, so that the angle pre-positioning of the rubber joint is completed; the positioning guide sleeve is connected with the joint mounting seat, the semicircular hoop is sleeved on the outer peripheral surface of the joint mounting seat, the position of the semicircular hoop is rotated and radially adjusted until the semicircular hoop is completely attached to the outer peripheral surface of the joint mounting seat, meanwhile, the first positioning wing plate is attached to and tightly pressed against the lower process surface of the joint mounting seat, the second positioning wing plate is attached to and tightly pressed against the upper process surface of the joint mounting seat, and at the moment, the guide hole and the joint mounting hole are in a coaxial state, so that the angle positioning and the center positioning of the rubber joint are completed; c. The first adjustable upright post is transversely and slidably adjusted to enable the driving end of the press-fit driving source to be pressed against the end part of the press-fit block, a pre-clamping force is applied, the press-fit tool is held by hand, the end part of the positioning guide sleeve is tightly attached to the end surface of the joint mounting seat under the pre-clamping force, the press-fit block drives the rubber joint to be inserted until the end surface of the rubber body is tightly pressed against the orifice of the joint mounting hole, and the hand-held state of the press-fit tool can be relieved at the moment to finish pre-clamping; d. the control system controls the press-fitting driving source to start, the driving end of the press-fitting driving source continuously applies press-fitting pressure on the press-fitting block, the rubber body is continuously inserted into the joint mounting hole in an interference manner, and the pressure is maintained for 3s when the press-fitting pressure reaches 20MPa, so that the press-fitting of the rubber joint is completed; e. And the control system controls the press-fit driving source, the first adjustable upright post and the second adjustable upright post to respectively return to the initial positions by the stop block mechanisms, the positioning guide sleeve is disassembled from the joint mounting seat, the guide block and the press-fit block are respectively disassembled from the flat heads at the two ends of the rubber joint, and the reset operation and the off-line assembly to be assembled are completed.

Description

Transverse press-fitting device and press-fitting process for rubber joints Technical Field The invention relates to the technical field of locomotive assembly, in particular to a rubber joint transverse press-fitting device and a press-fitting process thereof. Background The rubber joint in the electric locomotive driving device is matched with the inner holes of the parts to be assembled and the like in a press-fit mode, and the functions of fixing the positions of the parts and devices and conducting force are achieved in the locomotive operation process. The rubber joint comprises a rubber body and flat heads at two ends, wherein the mounting angle of the flat heads directly determines acting force borne by parts, so that the mounting angle of the flat heads of the rubber joint needs to be ensured in the press mounting process, and if the angle deviation is large, the problem that the driving device and the framework are partially offset after being assembled is caused, so that the subsequent assembly work of a locomotive is influenced. The on-site rubber joint transverse assembly basically depends on the manual measurement and the overhead crane hoisting mode, and two people are required to be unable to guarantee the error operation mode, so that the installation and operation efficiency is low, and the reworking condition caused by the angle deviation after the assembly is easy to occur. Disclosure of Invention The invention aims to overcome the defects of the prior art and provides a transverse press-fitting device and a press-fitting process thereof for rubber joints, so as to solve the problems in the prior art. In order to achieve the above object, the technical scheme of the present invention is as follows: The invention provides a rubber joint transverse press-fitting device which is used for assembling a rubber body of a rubber joint in a joint mounting hole of a joint mounting seat in an interference manner, and comprises a control system, a mounting platform, a press-fitting tool, a press-fitting driving source, a first adjustable upright, a second adjustable upright and a stop block mechanism, wherein the control system is electrically connected with the press-fitting driving source, the first adjustable upright, the second adjustable upright and the stop block mechanism; the positioning hoop comprises a semicircular hoop, a first positioning wing plate and a second positioning wing plate, one end of the semicircular hoop is sleeved and fixed on the outer peripheral surface of one end of the guide sleeve, the first positioning wing plate and the second positioning wing plate are respectively formed by extending the two ends of the semicircular hoop along the tangential direction, when in press fitting, the other end of the semicircular hoop is matched and hooped with the outer peripheral surface of the joint mounting seat on the side surface of the component to be assembled, the first positioning wing plate is tightly pressed against the lower technological surface of the joint mounting seat, and the second positioning wing plate is tightly pressed against the upper technological surface of the joint mounting seat, so that a penetrating guide hole in the guide sleeve is coaxially positioned with the joint mounting hole, and the aperture of the guide hole is larger than that of the joint mounting hole; The guide block is arranged in the guide sleeve in a sliding way and is spliced with the flat head at one end of the rubber joint, the guide block is in sliding fit with the joint mounting hole, the stop block mechanism is provided with a material receiving hole which is aligned with and connected with the joint mounting hole, and the depth of the material receiving hole is equal to the length of the guide block and is used for receiving the guide block and stopping the rubber joint in place; The press-fit block is inserted into the flat head at the other end of the rubber joint, two guide convex strips are symmetrically arranged on the outer circumferential surface of the press-fit block and are matched with guide grooves axially arranged in the guide holes so as to position the angles of the flat heads at the two ends of the rubber joint. Preferably, the first adjustable upright and the second adjustable upright are telescopic uprights which are arranged in a synchronous lifting manner, the mounting platform is provided with an adjusting sliding rail along the transverse direction, and the first adjustable upright is arranged on the adjusting sliding rail. More preferably, the mounting platform further comprises a positioning baffle plate for positioning the longitudinal position of the component to be mounted, a plurality of T-shaped baffle plate grooves along the transverse direction are formed in the mounting platform according to different longitudinal position parameters of the component to be mounted, and the positioning baffle plate is of a T-shaped structure and is inserted into the c