CN217776501U

CN217776501U - Socket chamfering device

Info

Publication number: CN217776501U
Application number: CN202221952808.6U
Authority: CN
Inventors: 吴亮亮; 杜鹏远; 蒿润涛; 刘入杰; 李冠瑾; 宋佳男; 谷兴海
Original assignee: Xinxing Hebei Engineering & Research Co ltd
Current assignee: Xinxing Hebei Engineering & Research Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-11
Anticipated expiration: 2032-07-27

Abstract

The utility model provides a socket chamfer device, include: the flexible trolley positioning device comprises an electric cylinder, a fixed support and a thin cylinder, wherein the electric cylinder is fixed on the fixed support, the tail end of a telescopic rod of the electric cylinder is fixedly connected with the thin cylinder by a rod end flange, and the tail end of a telescopic rod of the thin cylinder is connected with a trolley frame by a pin shaft type movable support. The utility model discloses can realize hot mould nodular cast-iron pipe socket chamfer technology, support different specifications cast-iron pipe to mix the line, improve the automation ability of production line chamfer station.

Description

Socket chamfering device

Technical Field

The utility model belongs to the technical field of nodular cast-iron pipe production, specifically relate to a socket chamfer device.

Background

In the form of a socket joint of a T-shaped pipe in GB/T13295-2019 nodular cast iron pipe, pipe fitting and accessories for water and gas, a rubber sealing ring is required to be arranged on a groove on the inner side of a socket to seal the socket, and the inner surface of the sealing ring is not damaged when the socket is installed in the process of constructing the nodular cast iron pipe, so that the socket of the nodular cast iron pipe is required to be subjected to external chamfering on a production line of a nodular cast iron pipe product. In the actual production process, enterprise quality management can require the chamfer size of each tubular socket of the hot die nodular cast iron pipe according to corresponding enterprise standards and bring the chamfer size into the quality inspection process, so that the accurate control on the socket chamfer size on a production line is required.

Document "automatic chamfering machine for pipe spigot" (CN 201510473679.0) proposes an automatic chamfering machine model, which adopts an obliquely arranged chamfering grinding platform to automatically adjust the grinding angle, the advancing and retreating directions of a trolley are controlled by an oil cylinder, and the trolley does not have the functions of adjustment and buffering in the height direction.

The document "cast pipe cement lining chamfering machine" CN201920383195.0 proposes a cement lining chamfering machine model. The whole advancing and retreating of the chamfering machine is driven by an air cylinder and matched with a vehicle-mounted inclined catch wheel for self-positioning, a lifting platform adopts a cross-bracing structure, and a grinding head device is arranged on a two-layer platform. The device is at the device during operation emery wheel off-load, long-time back of using, thereby can appear walking the dolly and rock and influence the chamfer size because of the unable compensation that obtains behind wheel and the track wearing and tearing of bottom dolly. The two-layer platform loaded with the grinding head device does not have height detection and buffering functions during working. In order to meet the requirements of different specifications of ductile iron pipes on the size of cement chamfers, the position of a grinding head device needs to be manually adjusted to realize the adjustment of the angle of the grinding head, and the device does not have the capability of passing wires in the mixed production of various cast iron pipes and pipe types.

Disclosure of Invention

The utility model provides a socket chamfering device which is reliable in operation and can realize the outer chamfering process of the sockets of nodular cast iron pipes with various specifications of DN 1100-3000.

The utility model discloses a technical scheme do: a socket chamfer device, comprising:

the trolley comprises a trolley base, wherein two wheel tracks are symmetrically arranged on the trolley base in parallel;

the trolley device comprises a trolley frame and a lifting device, the lifting device is positioned on the trolley frame, wheels at the bottom of the trolley frame are positioned in the wheel tracks, and the trolley device and the trolley base form sliding connection;

the flexible trolley positioning device comprises an electric cylinder, a fixed support and a thin cylinder, wherein the electric cylinder is fixed on the fixed support, the tail end of a telescopic rod of the electric cylinder is fixedly connected with the thin cylinder by virtue of a rod end flange, and the tail end of a telescopic rod of the thin cylinder is connected with a trolley frame by virtue of a pin shaft type movable support;

the swing arm type grinding device is positioned on the lifting device, and the lifting device drives the swing arm type grinding device to move up and down; the swing arm type grinding device comprises a connecting seat, a supporting seat, a hinge shaft, a swing frame device, an air spring, a three-phase motor and a grinding wheel; the support seat and the air spring are relatively fixed on two sides of the upper plane of the connecting seat, one end of the swing frame device is fixedly connected with the upper surface of the air spring, the other end of the swing frame device is fixedly connected with a hinged shaft, and two ends of the hinged shaft are rotatably connected to the support seat; the three-phase motor and the grinding wheel are fixed on the swing frame device, the rotating shaft of the three-phase motor drives the grinding wheel to rotate by means of a belt, the air spring supports and drives the swing frame device to swing around a hinge shaft, and the grinding wheel swings along with the swinging of the swing frame device;

the wheel blocking device is fixed on the trolley frame, and the socket trolley frame is automatically positioned by taking the end face of the socket of the nodular cast iron pipe as a positioning reference.

Further, the lifting device comprises a guide seat, a guide rod, a lead screw lifting machine and a speed reducing motor, wherein the lead screw lifting machine and the speed reducing motor are fixed on the trolley frame, the speed reducing motor is connected with the lead screw lifting machine by means of a coupler, the tail end of the lifting rod of the lead screw lifting motor is fixedly connected with the center of the bottom of the connecting seat, the guide seat is fixed on the trolley frame, one end of the guide rod is sleeved in the guide seat, the other end of the guide rod is fixedly connected with the connecting seat, and the guide rod slides up and down in the guide seat.

Furthermore, the trolley device also comprises two guide wheels, the trolley base is also provided with a guide rail, the guide rail is arranged in parallel with the wheel rails and is positioned between the two wheel rails, and the two guide wheels and the guide rail form rolling connection.

Furthermore, the guide rods are four and are uniformly distributed in the guide seat.

Furthermore, a protective cover is arranged on a belt connecting the rotating shaft of the three-phase motor and the grinding wheel.

Furthermore, a position detection sensor is arranged on the lifting device, and lifting height control is realized by feeding back height information of the lifting device 040.

The utility model discloses the beneficial effect who obtains does: the utility model discloses can realize hot mould nodular cast-iron pipe socket chamfer technology, support different specifications cast-iron pipe to mix the line, improve the automation ability of production line chamfer station. The device has three obvious advantages: 1. the flexible positioning device of the trolley can realize the functions of rapid advancing, self-positioning and buffering in the advancing and retreating directions; 2. the trolley device is provided with a guide wheel which can offset the eccentric load of the grinding wheel during grinding; 3. the vertical direction is adjusted and is equipped with the position detection, during the grinding chamfer, possesses the buffering effect in vertical direction to grinding pressure is adjustable, can realize the technology to different cast socket chamfers.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the flexible positioning device of the trolley of the present invention;

fig. 4 is a schematic structural view of the trolley device and the lifting device of the utility model;

FIG. 5 is a schematic structural view of the swing arm type grinding device of the present invention;

fig. 6 is a schematic structural view of the outer chamfer of the socket of the nodular cast iron pipe of the utility model;

FIG. 7 is a schematic view of the present invention in its operating position;

wherein 010 represents a dolly base; 011 represents a wheel track; 012 denotes a guide rail; 020 for a trolley flexible positioning device; 021 represents a fixed support; 022 denotes an electric cylinder; 023 stands for rod end flanges; 024 represents a thin cylinder; 025 represents a pin-type cradle; 030 stands for trolley device; 031 represents a dolly frame; 032 represents a wheel; 033 represents a guide wheel; 040 denotes a lifting device; 041 denotes a guide seat; 042 denotes a guide bar; 043 represents a lead screw elevator; 044 represents a coupling; 045 represents a reduction motor; 050 stands for swing arm type grinding device; 051 represents a connecting base; 052 represents a support seat; 053 represents a hinge shaft; 054 for a swing frame device; 055 represents an air spring; 056 represents a three-phase motor; 057 for belts; 058 for grinding wheel; 060 denotes a catch wheel device; 070 for a cable drag chain; 080 for protective cover.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

As shown in fig. 1-7, a socket chamfering device comprises: the trolley base 010 is symmetrically provided with two wheel tracks 011 in parallel; the trolley device comprises a trolley frame 031 and a lifting device 040, wherein the lifting device 040 is positioned on the trolley frame 031, a wheel 032 at the bottom of the trolley frame 031 is positioned in a wheel track 011, and the trolley device and the trolley base 010 form sliding connection; the flexible trolley positioning device 020 comprises an electric cylinder 022, a fixed support 021 and a thin cylinder 024, wherein the electric cylinder 022 is fixed on the fixed support 021, the tail end of a telescopic rod of the electric cylinder 022 is fixedly connected with the thin cylinder 024 through a rod end flange 023, and the tail end of the telescopic rod of the thin cylinder 024 is connected with a trolley frame 031 through a pin shaft type movable support 025; the swing arm type grinding device 050 is located on the lifting device 040, and the lifting device 040 drives the swing arm type grinding device 050 to move up and down; the swing arm type grinding device 050 comprises a connecting seat 051, a supporting seat 052, a hinged shaft 053, a swing frame device 054, an air spring 055, a three-phase motor 056 and a grinding wheel 058; the support seat 052 and the air spring 055 are relatively fixed on two sides of an upper plane of the connection seat 051, one end of the swing frame device 054 is fixedly connected with the upper surface of the air spring 055, the other end of the swing frame device 053 is fixedly connected with a hinge shaft 053, and two ends of the hinge shaft 053 are rotatably connected on the support seat 052; the three-phase motor 056 and the grinding wheel 058 are both fixed on the swing frame device 054, the rotating shaft of the three-phase motor 056 drives the grinding wheel 058 to rotate by means of a belt 057, the air spring 055 supports and drives the swing frame device 054 to swing around the hinge shaft 053, and the grinding wheel 058 swings along with the swing of the swing frame device 054; the catch wheel device 060 is fixed on the trolley frame 031, and the socket trolley frame 031 can be automatically positioned by taking the end face of the socket of the nodular cast iron pipe as a positioning reference

The lifting device 040 comprises a guide seat 041, a guide rod 042, a lead screw lifter 043 and a speed reducing motor 045, the lead screw lifter 043 and the speed reducing motor 045 are fixed on a trolley frame 031, the speed reducing motor 045 is connected with the lead screw lifter 043 by means of a coupler 044, the tail end of the lift rod of the lead screw lifter 043 is fixedly connected with the center of the bottom of a connecting seat 051, the guide seat 041 is fixed on the trolley frame 031, one end of the guide rod 042 is sleeved in the guide seat 041, the other end of the guide rod 042 is fixedly connected with the connecting seat 051, and the guide rod 042 slides up and down in the guide seat 041. The number of the guide rods 042 is four, and the four guide rods are uniformly distributed in the guide seat 041.

The trolley device further comprises two guide wheels 033, the trolley base 010 is further provided with a guide rail 012, the guide rail 012 is arranged in parallel with the wheel rail 011 and is located between the two wheel rails 011, and the two guide wheels 033 and the guide rail 012 form a rolling connection.

And a protective cover 080 is further arranged on a belt 057 for connecting a rotating shaft of the three-phase motor 056 with the grinding wheel 058. The lifting device 040 is provided with a position detection sensor, and lifting height control is achieved by feeding back height information of the lifting device 040. The stroke of the thin cylinder 024 is 100mm. The air spring 055 is driven by an air control assembly with a proportional control valve and air source pressure information feedback, and the grinding pressure of the grinding wheel 058 is adjusted by adjusting the pressure of an output air source through the air control assembly.

In the specific implementation: the trolley flexible positioning device 020 consists of an electric cylinder 022 and a thin cylinder 024 and is used for rapidly advancing and buffering the trolley device 030, the working position of the trolley device 030 is positioned by means of the catch wheel device 060 contacting with the end face of each tubular socket, the built-in absolute value encoder of the electric cylinder 022 can realize the accurate control of the advancing distance, and the thin cylinder 024 plays a role in buffering. The end of the catch wheel device 060 is provided with a fixed shaft type rotary catch wheel. The guide seat 041 of the lifting device 040 is combined with the guide rod 042, the lead screw lifter 043 is driven by the speed reduction motor 045 to realize the lifting of the lifting platform, the lifting device 040 is provided with a position detection sensor, and the lifting height control is realized by feeding back the height information of the lifting device. The swing arm type grinding device 050 is provided with a connecting seat 051 connected with the lifting device 040, the air spring 055 is used for supporting and driving the swing frame device 054 to swing and providing grinding pressure and a buffering function for the grinding wheel 058, and the three-phase motor 056 drives the grinding wheel 058 to rotate so as to perform chamfering process on the outer side of the socket of the nodular cast iron pipe.

After the nodular cast iron pipe is ready on the rotary riding wheel station, according to the specific information of the nodular cast iron pipe on the station, an electric cylinder 022 in a trolley flexible positioning device 020 quickly pushes a trolley device 030 to a preset position, a thin cylinder 024 is inflated until a baffle wheel on the baffle wheel device 060 props against the socket end face of the nodular cast iron pipe and is pressed tightly, and the thin cylinder 024 serves as a buffer function. The displacement sensor arranged on the lifting device 040 can feed back the height information of the lifting device, and the field operating platform controls the speed reduction motor 045 to adjust the lifting device to a preset height. The air spring 055 in the swing arm type grinding device 050 inflates air, the matched proportional control air control assembly feeds back a pressure signal to the matched control system, the control system adjusts the inflation pressure of the air spring 055, therefore, grinding pressure regulation and control of grinding of the grinding wheel 058 are achieved to achieve the grinding effect of the chamfer, the air spring 055 has the buffer function of the grinding wheel 058 in the pressure direction, and the cable drag chain 070 plays a role in protecting the cable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A socket chamfer device which characterized in that: the method comprises the following steps:

the trolley comprises a trolley base, wherein two wheel rails (011) are symmetrically arranged on the trolley base (010) in parallel;

the trolley device comprises a trolley frame (031) and a lifting device (040), wherein the lifting device (040) is positioned on the trolley frame (031), wheels (032) at the bottom of the trolley frame (031) are positioned in wheel tracks (011), and the trolley device and a trolley base (010) form sliding connection;

the flexible trolley positioning device (020) comprises an electric cylinder (022), a fixed support (021) and a thin cylinder (024), wherein the electric cylinder (022) is fixed on the fixed support (021), the tail end of a telescopic rod of the electric cylinder (022) is fixedly connected with the thin cylinder (024) through a rod end flange (023), and the tail end of the telescopic rod of the thin cylinder (024) is connected with a trolley frame (031) through a pin shaft type movable support (025);

the swing arm type grinding device (050) is positioned on the lifting device (040), and the lifting device (040) drives the swing arm type grinding device (050) to move up and down; the swing arm type grinding device (050) comprises a connecting seat (051), a supporting seat (052), a hinged shaft (053), a swing frame device (054), an air spring (055), a three-phase motor (056) and a grinding wheel (058); the air spring seat device is characterized in that the supporting seat (052) and the air spring (055) are relatively fixed on two sides of an upper plane of the connecting seat (051), one end of the swing frame device (054) is fixedly connected with the upper surface of the air spring (055), the other end of the swing frame device is fixedly connected with a hinged shaft (053), and two ends of the hinged shaft (053) are rotatably connected onto the supporting seat (052); the grinding device is characterized in that the three-phase motor (056) and the grinding wheel (058) are fixed on the swing frame device (054), the rotating shaft of the three-phase motor (056) drives the grinding wheel (058) to rotate by means of a belt (057), the air spring (055) supports and drives the swing frame device (054) to swing around the hinged shaft (053), the air spring (055) is driven by a pneumatic control assembly with a proportional regulating valve and air source pressure feedback, the grinding pressure of the grinding wheel (058) is regulated by regulating the pressure of an output air source, and the grinding wheel (058) swings along with the swing of the swing frame device (054);

and the catch wheel device (060) is fixed on the trolley frame (031) and takes the end face of the socket of the ductile cast iron pipe as a positioning reference to realize the automatic positioning of the socket trolley frame (031).

2. The socket chamfer apparatus of claim 1, wherein: the lifting device (040) comprises a guide seat (041), a guide rod (042), a lead screw lifter (043) and a speed reducing motor (045), the lead screw lifter (043) and the speed reducing motor (045) are fixed on a trolley frame (031), the speed reducing motor (045) is connected with the lead screw lifter (043) through a coupler (044), the tail end of the lead screw lifter (043) is fixedly connected with the center of the bottom of a connecting seat (051), the guide seat (041) is fixed on the trolley frame (031), one end of the guide rod (042) is sleeved in the guide seat (041), the other end of the guide rod (043) is fixedly connected with the connecting seat (051), and the guide rod (042) slides up and down in the guide seat (041).

3. The socket chamfer apparatus of claim 1, wherein: the trolley device further comprises two guide wheels (033), the trolley base (010) is further provided with a guide track (012), the guide track (012) and the wheel track (011) are arranged in parallel and are located between the two wheel tracks (011), and the guide wheels (033) and the guide track (012) form rolling connection.

4. The socket chamfer apparatus of claim 2, wherein: the number of the guide rods (042) is four, and the guide rods are arranged in the guide seat (041).

5. The socket chamfer apparatus of claim 1, wherein: and a protective cover (080) is further arranged on a belt (057) connecting a rotating shaft of the three-phase motor (056) with the grinding wheel (058).

6. The socket chamfer apparatus of claim 1, wherein: and a position detection sensor is arranged on the lifting device (040), and lifting height control is realized by feeding back height information of the lifting device (040).