CN214080115U

CN214080115U - Press fitting tool with centering function

Info

Publication number: CN214080115U
Application number: CN202022805572.0U
Authority: CN
Inventors: 邱前远; 任光华; 李传向
Original assignee: Chongqing Xingji Gear Co ltd
Current assignee: Chongqing Xingji Gear Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-31
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to the field of machining, specifically disclose pressure equipment frock with centering function, but including base and vertical removal's pressure head, be equipped with the recess that can imbed the gear on the upper surface of base, the pressure head sets up the top at the base, and the lower surface of pressure head can be relative with the recess, the vertical locating hole that is provided with in center department of base, the vertical fixed locating lever that is provided with in center department of pressure head lower surface, in the locating lever can imbed the location, the fixed flange that can press down to the circumference of ring gear that is provided with in the edge of pressure head lower surface, flange and the coaxial setting of locating lever. This scheme locating lever can cooperate with the locating hole for the pressure head lower surface just inserts in the locating hole before with the ring gear contact, realizes the quick and accurate heart of pressure head and base, avoids the pressure head to carry out eccentric pressure equipment to the ring gear.

Description

Press fitting tool with centering function

Technical Field

The utility model belongs to the machining field, concretely relates to pressure equipment frock with centering function.

Background

In some automobile parts, a special gear formed by combining a gear and a gear ring is often needed, and the machined gear ring are correspondingly needed to be installed. When the gear and the gear ring are installed, the gear and the gear ring are installed by adopting a press-fitting structure shown in figure 1 in the attached drawings of the specification, the gear is placed on the base, the upper surface of the base positions the gear, then the gear ring is placed at the caulking groove of the gear, and then the pressure head moves downwards to press the gear ring, so that the gear ring is embedded into the caulking groove.

In the above process, the pressure head moves down easily to be in an eccentric state with the base, so that the pressure head is in an eccentric state relative to the gear ring when the gear ring is pressed, the part of the gear ring is easily stressed in the vertical direction, the other side of the gear ring is easily tilted and tilted, the installation and the matching of the gear and the gear ring are directly affected, and the gear ring are easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is providing the pressure equipment frock with centering function to solve conventional pressure equipment structure when carrying out the pressure equipment to the ring gear, the pressure head is easily inaccurate with the ring gear, causes the problem that gear and ring gear damaged easily.

In order to achieve the above object, the basic scheme of the present invention is as follows: pressure equipment frock with centering function, but including base and vertical removal's pressure head, be equipped with the recess of embeddable gear on the upper surface of base, the pressure head sets up the top at the base, and the lower surface of pressure head can be relative with the recess, the vertical locating hole that is provided with of center department of base, the vertical fixed locating lever that is provided with of center department of pressure head lower surface, the locating lever can be embedded into in the location, the fixed flange that can press to the circumference of ring gear that is provided with in the edge of pressure head lower surface, the flange sets up with the locating lever is coaxial.

The principle and advantages of the basic scheme are as follows: when the gear ring is pressed, the gear is firstly installed in the groove of the base, and the groove limits the gear; at the moment, the caulking groove of the gear faces upwards, and then the gear ring is placed on the caulking groove to realize the pre-installation of the gear ring; and then the pressure head is opposite to the upper surfaces of the gear ring, the gear and the base, the pressure head is controlled to move downwards, the positioning rod enters the positioning hole firstly in the process that the pressure head moves downwards to realize the positioning of the pressure head, so that the lower surface and the flange of the pressure head are opposite to the circumference of the gear ring, and the flange presses the gear ring in the process that the pressure head moves downwards, so that the gear ring is embedded into the caulking groove of the gear to complete the press mounting of the gear ring.

In the process, the positioning rod can be matched with the positioning hole, so that the lower surface of the flange is in contact with the gear ring, the positioning rod is inserted into the positioning hole, the rapid and accurate alignment of the pressure head and the base is realized, and the pressure head is prevented from carrying out eccentric press fitting on the gear ring.

Further, the flange is integrally formed with the ram.

Through the arrangement, the pressure head can stably apply pressure to the flange, and the gear ring can be stably pressed.

Further, the length of the positioning rod is more than 5 times of the thickness of the flange.

Through the arrangement, when the pressure head moves downwards, the positioning rod can be in contact with the base in advance of the flange, the alignment of the pressure head and the base can be completed in advance, and the flange and the gear ring can be accurately abutted conveniently.

Further, the flange abuts against the transition between the ring gear and the gear.

Through the arrangement, when the flange is in contact with the upper end face of the gear, the gear ring is installed completely, the embedding condition of the gear ring can be judged through the contact condition of the flange and the gear, and the flange can enable the transition position of the gear ring and the gear to be attached stably.

Further, still include a supporting bench, be equipped with the mounting groove that supplies the base embedding on a supporting bench's the upper surface, the vertical fixed mounting in mounting groove center department of a supporting bench has the inserted bar that can imbed the locating hole.

Through the setting, the base with the proper specification groove is selected according to the model of the gear and the gear ring, the base is installed in the installation groove of the support table, the inserted rod in the installation groove is embedded into the positioning hole of the base at the moment, the positioning of the base is realized, and the situation that the base moves or rocks relative to the pressure head when the gear ring on the base is pressed and installed is avoided.

Further, still include the power pack, the power pack includes support column, hydraulic telescoping rod and the hydraulic pump of control hydraulic telescoping rod extension or shortening, and the support column is "L" type of invering, and the lower extreme of support column and the last fixed surface of a supporting bench are connected, and hydraulic pump fixed mounting is on the upper end of support column, the vertical setting of hydraulic telescoping rod, and support column and the fixed intercommunication of hydraulic pump are passed to hydraulic telescoping rod's upper end, hydraulic telescoping rod's lower extreme and the upper surface of pressure head are connected.

Through the setting, can control hydraulic telescoping rod's flexible through controlling the hydraulic pump, and then be convenient for promote the pressure head and reciprocate, can carry out the pressure equipment to the ring gear fast.

Drawings

Fig. 1 is a front sectional view of a press-fitting structure in the related art;

fig. 2 is the sectional view of the main viewing direction of the press fitting tool with the centering function in the utility model.

Detailed Description

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a support table 10, a mounting groove 101, an insert rod 102, a base 20, a positioning hole 201, a pressure head 30, a positioning rod 301, a flange 302, a supporting column 401, a hydraulic telescopic rod 402, a hydraulic pump 403, a gear 50, a groove 501 and a gear ring 60.

The embodiment is basically as shown in the attached figure 2: pressure equipment frock with centering function, including base 20, pressure head 30, prop up supporting bench 10 and power pack, power pack includes support column 401, hydraulic telescoping rod 402 and the hydraulic pump 403 that control hydraulic telescoping rod 402 extension or shorten, support column 401 is "L" type of inversion, the lower extreme of support column 401 and the upper surface welding of propping up supporting bench 10, hydraulic pump 403 welds on the upper end of support column 401, the vertical setting of hydraulic telescoping rod 402, support column 401 and hydraulic pump 403 welding intercommunication are passed to the upper end of hydraulic telescoping rod 402, the lower extreme of hydraulic telescoping rod 402 and the upper surface welding of pressure head 30.

As shown in fig. 2, a groove 501 capable of being embedded with the gear 50 is formed in the upper surface of the base 20, a positioning hole 201 is vertically formed in the center of the base 20, an installation groove 101 for embedding the base 20 is formed in the upper surface of the supporting table 10, and an insertion rod 102 capable of being embedded into the positioning hole 201 is vertically welded in the center of the installation groove 101 of the supporting table 10.

As shown in fig. 2, a positioning rod 301 is vertically welded in the center of the lower surface of the pressure head 30, the positioning rod 301 can be embedded into the positioning hole 201, a flange 302 capable of pressing the circumference of the gear ring 60 is fixedly arranged at the edge of the lower surface of the pressure head 30, the flange 302 and the pressure head 30 are integrally formed, the flange 302 and the positioning rod 301 are coaxially arranged, the flange 302 abuts against the transition position of the gear ring 60 and the gear 50, and the length of the positioning rod 301 is 6 times the thickness of the flange 302.

When the press-fitting tool with the centering function in the embodiment is used, the base 20 with the groove 501 of a proper specification is selected according to the models of the gear 50 and the gear ring 60, the base 20 is installed in the installation groove 101 of the support table 10, and the inserted rod 102 in the installation groove 101 is embedded into the positioning hole 201 of the base 20, so that the base 20 is positioned, and the base 20 is prevented from moving or swinging relative to the pressure head 30 when the gear ring 60 on the base 20 is press-fitted.

Then, the gear 50 is installed in a groove 501 of the base 20, the groove 501 limits the gear 50, and then the gear ring 60 is placed in a caulking groove of the gear 50, so that the gear ring 60 is pre-installed; then, the hydraulic pump 403 is controlled to pump hydraulic oil into the hydraulic telescopic rod 402, the hydraulic telescopic rod 402 extends, the hydraulic telescopic rod 402 pushes the pressure head 30 to move downwards, and the positioning rod 301 enters the positioning hole 201 first in the downward movement process of the pressure head 30 to position the pressure head 30; when the flange 302 on the lower surface of the pressure head 30 contacts with the gear ring 60, the flange 302 presses the gear ring 60, so that the gear ring 60 is embedded into the caulking groove of the gear 50, and when the flange 302 contacts with the upper end surface of the gear 50, the press mounting of the gear ring 60 can be completed; after the press fitting is completed, the hydraulic pump 403 is controlled to pump out the hydraulic oil in the hydraulic telescopic rod 402, the hydraulic telescopic rod 402 is shortened, the hydraulic telescopic rod 402 pulls the pressure head 30 to move upwards, and the mounted gear 50 and the gear ring 60 can be taken out.

In this process, can be accurate carry out the centering to base 20 and pressure head 30 for pressure head 30 can be accurate press to ring gear 60 on, avoid carrying out the pressure equipment in-process of ring gear 60, the ring gear 60 appears the installation inaccurate or damage.

Claims

1. Pressure equipment frock with centering function, but including base and vertical removal's pressure head, be equipped with the recess of embeddable gear on the upper surface of base, the pressure head sets up in the top of base, and the lower surface of pressure head can be relative with the recess, its characterized in that, the vertical locating hole that is provided with in center department of base, the vertical fixed locating lever that is provided with in center department of pressure head lower surface, the locating lever can imbed in the location, and the fixed flange that can press to the circumference of ring gear that is provided with in edge of pressure head lower surface, flange and the coaxial setting of locating lever.

2. A press-fitting tool with centering function as claimed in claim 1, wherein said flange is integrally formed with the ram.

3. A press fitting tool with a centering function as claimed in claim 2, wherein the length of the positioning rod is more than 5 times of the thickness of the flange.

4. A press-fitting tool with centering function as claimed in claim 3, wherein said flange abuts against the transition between the ring gear and the gear.

5. A press fitting tool with a centering function as claimed in claim 4, further comprising a supporting table, wherein an installation groove for embedding the base is formed in the upper surface of the supporting table, and an insertion rod capable of being embedded into the positioning hole is vertically and fixedly installed in the center of the installation groove of the supporting table.

6. A press fitting tool with a centering function according to claim 5, further comprising a power unit, wherein the power unit comprises a support column, a hydraulic telescopic rod and a hydraulic pump for controlling the extension or shortening of the hydraulic telescopic rod, the support column is in an inverted L shape, the lower end of the support column is fixedly connected with the upper surface of the support table, the hydraulic pump is fixedly installed at the upper end of the support column, the hydraulic telescopic rod is vertically arranged, the upper end of the hydraulic telescopic rod penetrates through the support column to be fixedly communicated with the hydraulic pump, and the lower end of the hydraulic telescopic rod is connected with the upper surface of the pressure head.