CN216541070U - Safety device for preventing milling and clamping body of steel pipe end milling machine from freely falling - Google Patents
Safety device for preventing milling and clamping body of steel pipe end milling machine from freely falling Download PDFInfo
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- CN216541070U CN216541070U CN202123185309.7U CN202123185309U CN216541070U CN 216541070 U CN216541070 U CN 216541070U CN 202123185309 U CN202123185309 U CN 202123185309U CN 216541070 U CN216541070 U CN 216541070U
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Abstract
The utility model relates to a safety device for preventing a milling and clamping body of a steel pipe end milling and leveling machine from falling freely, wherein a falling prevention mechanism is newly arranged on the steel pipe end milling and leveling machine and consists of a piston type cylinder B, a push-pull plate, a connecting seat, a supporting rod and the like; therefore, the phenomenon that the upper semicircular clamping body falls due to unexpected faults or misoperation of personnel is effectively avoided, and the safety of maintenance operation of workers is ensured.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment for milling the end face of a steel pipe, in particular to a safety device for preventing a milling and clamping body of a steel pipe end milling machine from freely falling.
Background
The steel pipe is made of a steel belt with a certain width and thickness through the working procedures of roll forming → high-frequency welding → scar scraping → air cooling → water cooling → sizing → sawing → straightening → flat head milling → inspection → finished product and the like. The milling process of the end face of the sawed steel pipe is an important process for guaranteeing the quality of the steel pipe in the manufacturing process of the steel pipe, the milling of the end face of the steel pipe is carried out by clamping the end part of the steel pipe through a clamping device arranged on a milling flat machine, the clamping device clamps the steel pipe through an upper semicircular clamping body and a lower semicircular clamping body, and grooves are formed in the inner surface of the clamping bodies to guarantee the clamping effect.
After the outer circle surface of the end part of the steel pipe is clamped, a disc milling head of the milling machine starts to slowly feed the end part of the steel pipe for milling, and the uneven surface and part of residual scrap iron left after the end part of the steel pipe is sawed are milled, so that the technical standard of flatness and smoothness required by the end part of the steel pipe is achieved.
After the alloy steel cutter head used for the milling head of the steel pipe end face milling machine is used for a period of time, a new milling cutter needs to be replaced due to the fact that the milling cutter edge is not sharp; at the moment, an upper semicircular clamping body of the clamping device for clamping the steel pipe needs to be lifted, and the upper semicircular clamping body is made of steel with the weight of about 20 Kg; the lifting of the upper semicircular clamping body is realized by the movement of an upper cylinder piston rod of the steel pipe end surface milling and flattening machine. When the upper semi-circular clamping body is lifted, a maintenance worker can replace the milling cutter at the position.
Sometimes, when the workshop is powered off suddenly and the air compressor stops supplying air, the piston cylinder on the steel pipe end surface milling machine loses the supply of high-pressure air; or after the operation and the matching of workers are improper, the electric and pneumatic elements are caused to fail to cause the steel pipe milling clamping body to fall, or the piston cylinder fails due to the failure of the air supply pipeline of the piston cylinder, and other factors, the upper semicircle of the clamping body also falls suddenly without signs, and the shoulder and the back of a maintenance worker who replaces the milling cutter are hit to cause industrial accidents; such industrial accidents caused by the sudden drop of the upper part of the milling and clamping body of the steel pipe occur occasionally in steel pipe manufacturing enterprises. In order to thoroughly eliminate the hidden trouble problem of the unsafe accident, a device for preventing a milling upper clamping body of a steel pipe end milling machine from freely falling is developed, which is a problem that needs to be solved urgently in the steel pipe manufacturing industry for ensuring the safety of maintenance work.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a safety device for preventing a milling and clamping body of a steel pipe end milling machine from freely falling.
The technical scheme of the utility model is as follows: the utility model provides a prevent that steel pipe end mills flat-bed machine and mills safety device of clamping body free fall, includes steel pipe end mills flat-bed machine and installs the mechanism of preventing falling on steel pipe end mills flat-bed machine upper portion, characterized by:
an intermediate plate is arranged between two side plates of the steel pipe end milling and leveling machine, a milling cutter head is arranged in the middle of the outer side surface of the intermediate plate, a platform plate is arranged between the outer sides of the upper ends of the two side plates, the platform plate is positioned above a workbench of a lower milling and leveling machine, a lower semicircular clamping body which corresponds to the milling cutter head in position and is provided with an upward opening is fixedly connected to the workbench, a piston cylinder A is vertically and fixedly connected to the upper end surface of the platform plate, a piston rod A of the piston cylinder A extends downwards from a round hole in the platform plate, an upper semicircular clamping body with a downward opening is fixedly connected to the lower end of the piston rod A through a seat plate, and the upper semicircular clamping body and the lower semicircular clamping body are opposite to each other up and down;
the falling prevention mechanism comprises a piston type cylinder B and a support rod, a through hole is formed in the upper portion of the middle plate, a guide shaft sleeve is coaxially fixed and sleeved in the through hole, the support rod is slidably sleeved in the guide shaft sleeve, the outer end of the support rod can stretch into the position under the upper semicircular clamping body, a connecting seat is arranged at the inner end of the support rod, a supporting plate is fixedly connected between the inner sides of the upper ends of the two side plates, the piston type cylinder B is transversely and fixedly connected to the outer side face of the supporting plate, and a piston rod B of the piston type cylinder B is hinged to the connecting seat.
Preferably, the number of the milling cutter discs is two, the number of the lower semicircular clamping bodies is two, and the number of the piston type cylinder A and the number of the upper semicircular clamping bodies are two.
Preferably, the number of the support rods is two, a push-pull plate is connected between the inner ends of the two support rods, the push-pull plate and the support rods are fixedly connected through tightening nuts, and the connecting seat is arranged in the middle of the push-pull plate.
Preferably, a conveying table is arranged on the outer side of the workbench, a sliding support for supporting the steel pipe is arranged on the conveying table, and a V-shaped sliding groove corresponding to the lower semicircular clamping body is formed in the sliding support.
Preferably, the outside of the platform plate is provided with a guide hole, and the outside of the seat plate is provided with a guide rod which penetrates through the guide hole and extends upwards.
Preferably, the outer side of the guide rod is vertically and fixedly connected with a marker post with the same length as the guide rod, and the inner side of the upper end of the marker post is provided with a proximity switch.
Preferably, the piston cylinder B is connected with a direct-acting electromagnetic valve, one side of the valve body of the electromagnetic valve is provided with a junction box, the upper end of the valve body is provided with a static iron core, the middle of the static iron core is provided with an air channel A communicated with the inner cavity of the valve body, the lower end of the valve body is provided with an air channel B and an air channel C, the air channel B is communicated with the inner cavity of the valve body, the inner end of the air channel C is connected with a valve core capable of sealing the air channel C through a spring, and the upper part of the inner cavity of the valve body is provided with a coil sleeved outside the valve core.
Preferably, the lower end of the valve core is provided with a sealing plug, and the air channel C is sealed by the sealing plug.
The beneficial technical effects of the utility model are as follows:
firstly, the steel pipe end milling machine is newly provided with the anti-falling mechanism, and the mechanism
The device comprises a piston type cylinder B, a push-pull plate, a connecting seat, support rods and the like, wherein three paths of two-position direct-acting electromagnetic valves are adopted to adjust high-pressure air to control the extension and retraction of a piston rod B, the piston rod B drives the two support rods to slide in a guide shaft sleeve through the connecting seat and the push-pull plate, and after the milling operation of the end surface of the steel pipe is completed, the support rods are driven to extend outwards into the inner circle of the upper semicircular clamping body and fall off, so that the upper semicircular clamping body is stably supported to prevent the upper semicircular clamping body from falling off, and the device is safe and reliable; therefore, the phenomenon that the upper semicircular clamping body falls due to unexpected faults or misoperation of personnel is effectively avoided, and the safety of maintenance operation of workers is ensured.
Secondly, the intelligent face recognition system is adopted, and after the face characteristic signals are recognized and stored in advance through the face recognition system and the independent power supply is controlled, the safety of the system is improved, and meanwhile, a maintainer can conveniently control the power supply; when the face recognition system succeeds, the independent power supply controls to switch on the junction box of the three-way two-position direct-acting electromagnetic valve, and the electromagnetic valve switches on high-pressure gas to enter the cylinder piston to start working after acting according to the function of the electromagnetic valve.
The maintenance worker controls the operation of the maintained equipment, so that the condition that the upper semicircular clamping body of the milling and leveling machine falls down to cause accidental industrial injury accidents to workers in maintenance operation due to the fact that other people unwittingly perform misoperation when the maintenance worker performs maintenance operation in the past is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is a sectional view taken along line B-B of FIG. 4;
FIG. 7 is a schematic front view of the steel pipe end mill of the present invention;
FIG. 8 is a schematic structural view of the fall arrest mechanism of the present invention;
FIG. 9 is a schematic view of the internal structure of the solenoid valve of the present invention;
fig. 10 is a control circuit diagram of the face recognition of the present invention.
In the drawing, 01, a steel pipe end milling machine, 11, a side plate, 12, a middle plate, 13, a platform plate, 14, a workbench, 15, a milling cutter head, 16, a piston type cylinder A, 161, a piston rod A, 162, a seat plate, 163, an air inlet hole A, 164, an air inlet hole B, 17, an upper semicircular clamping body, 18, a lower semicircular clamping body, 19, a guide rod, 191, a sliding sleeve, 20, a marking rod, 201, a proximity switch, 02, a sliding support, 21, a V-shaped sliding groove, 03, a steel pipe, 04, an anti-falling mechanism, 41, a piston type cylinder B, 411, a piston rod B, 412, an air inlet hole C, 413, an air inlet hole T, 42, a support rod, 43, a guide shaft sleeve, 44, a support plate, 441, a long bolt, 45, a push-pull plate, 451, a connecting seat, 46, a fastening nut, 05, an electromagnetic valve, 51, a valve body, 511, a valve body inner cavity, 52, a valve core, 521, a sealing plug, 53, a coil, 54, a spring, a coil, a spring body inner cavity, a spring, a piston rod, 55. the face recognition device comprises a static iron core 551, air channels A, 56, air channels B, 57, air channels C, 58, a junction box, 06, an intermediate relay and 07, a face recognition device.
Detailed Description
In the first embodiment, referring to fig. 1-10 of the specification, the safety device for preventing a milling and clamping body of a steel pipe end milling and leveling machine from falling freely is described in detail below with reference to the accompanying drawings, the safety device comprises a steel pipe end milling and leveling machine and a falling prevention mechanism mounted on the upper portion of the steel pipe end milling and leveling machine, a middle plate is arranged between two side plates of the steel pipe end milling and leveling machine, a milling and cutting disc for milling the end face of a steel rod is arranged on the lower portion of the outer side surface of the middle plate, a platform plate is arranged between the outer sides of the upper ends of the two side plates and located above a workbench of the lower milling and leveling machine, a lower semicircular clamping body which corresponds to the milling and has an upward opening is fixedly connected to the workbench, the center of the lower semicircular clamping body corresponds to the center of the milling and cutting disc, a piston cylinder a is vertically and fixedly connected to the upper end surface of the platform plate, and a piston rod a of the piston cylinder extends downwards from a circular hole on the platform plate, the lower end of the piston rod A is fixedly connected with an upper semicircular clamping body with a downward opening through a seat plate, the upper semicircular clamping body and the lower semicircular clamping body are opposite up and down, the end of the steel pipe is clamped between the upper semicircular clamping body and the lower semicircular clamping body, the end face of the steel pipe is milled through a milling cutter disc, and the uneven surface and part of residual scrap iron left after the end of the steel pipe is sawn are milled; the outside of workstation is equipped with carries the platform, should carry the bench to be equipped with the sliding support who is used for supporting the steel pipe, is equipped with the V-arrangement spout that corresponds with lower semicircle cramping body position on this sliding support.
The process of milling the end face of the steel pipe by the steel pipe end milling machine is as follows: the steel pipe enters into lower circular clamping body from the V-shaped sliding groove of the sliding support, under the PLC program instruction of the milling machine, high-pressure gas is introduced into an air inlet hole A at the upper end of a piston type air cylinder A, a piston rod A goes down, the piston rod A pushes an upper circular clamping body to go down until the steel pipe is clamped between the upper circular clamping body and the lower circular clamping body, then a milling cutter disc on the milling machine begins to mill the end face of the steel pipe, after milling is completed, the piston type air cylinder A introduces high-pressure air into an air inlet hole B of the piston type air cylinder A through the PLC program instruction of the milling machine, the piston rod B drives the upper circular clamping body to go up, and clamping force on the steel pipe is relieved. And finishing a milling procedure of the end of the steel pipe after the steel pipe leaves the V-shaped sliding groove and the lower clamping body of the end milling machine.
The mechanism of preventing falling includes piston cylinder second, the support stick, the upper portion of intermediate lamella is equipped with the through-hole, coaxial fixed cover is equipped with the guide shaft cover in this through-hole, support stick slip suit in this guide shaft cover and the outer end of support stick can stretch into under the last semicircle cramping body, the guide shaft cover provides the slip support for supporting the stick, it is more steady to make its flexible operation process, the inner of support stick is equipped with the connecting seat, be connected with the backup pad through welded fastening between the inboard of both sides board upper end, piston cylinder second horizontal fixed connection is the lateral surface in backup pad, this piston cylinder second is through a set of stay bolt fixed connection in the backup pad, piston cylinder second's piston rod second and connecting seat are articulated.
The working process of the anti-falling mechanism is as follows:
after the steel pipe is machined and the upper semicircular clamping body is lifted upwards, high-pressure air (0.5 MPa) is introduced into an air inlet hole C of the piston type air cylinder B, the piston rod B pushes a support rod outwards through the connecting seat, the support rod slides outwards from the guide shaft sleeve to the position right below the upper semicircular clamping body to drag the upper semicircular clamping body, the problem that the upper semicircular clamping body falls due to relevant factors mentioned in the background technology is solved, and the safety of maintenance work is ensured; high-pressure gas is introduced into the air inlet hole D, the support rod can be driven by the piston rod B to slide inwards, the semicircular clamping body is released, and the semicircular clamping body can normally move downwards to clamp a steel pipe for milling operation.
The milling cutter heads are arranged in parallel, the lower semicircular clamping bodies are correspondingly arranged in two, and the piston type cylinder A and the upper semicircular clamping bodies are correspondingly arranged in two; the support rods are arranged in parallel, a push-pull plate is connected between the inner ends of the two support rods, the push-pull plate is fixedly connected with the support rods through fastening nuts, and the connecting seat is arranged in the middle of the push-pull plate and synchronously drives the two support rods to do telescopic motion through the push-pull plate.
The outside of landing slab is equipped with the guiding hole, and the outside of bedplate is equipped with the guide bar that passes the guiding hole and upwards stretch out, and the guide bar plays the effect to piston rod first sliding guide, avoids piston rod first flexible in-process to appear rotating, plays the stable effect of not shaking of circular cramping body, and the fixed cover is equipped with the sliding sleeve in the guiding hole, keeps the gliding stability from top to bottom of guide bar.
The vertical fixedly connected with in the outside of guide bar has a sighting rod the same with guide bar length, and the inboard of this sighting rod upper end is equipped with proximity switch, and guide bar and last circular holding body can touch the sighting rod upper end after the synchronous rising of upper end and send out proximity switch, close piston cylinder first, and guide bar and last circular holding body stop motion control the rise height of going up circular holding body through sighting rod and proximity switch.
The piston type air cylinder B is connected with a direct-acting type electromagnetic valve, one side of a valve body of the electromagnetic valve is provided with a junction box, the upper end of the valve body is provided with a static iron core, the middle of the static iron core is provided with an air channel A communicated with an inner cavity of the valve body, the lower end of the valve body is provided with an air channel B and an air channel C, the air channel B is communicated with the inner cavity of the valve body, the inner end of the air channel C is connected with a valve core capable of sealing the air channel C through a spring, and the upper part of the inner cavity of the valve body is provided with a coil sleeved outside the valve core; and the lower end of the valve core is provided with a sealing plug, and the air channel C is sealed by the sealing plug.
The process that high-pressure air (0.5 MPa) enters the piston type cylinder B from the air inlet hole C is controlled by the three-way two-position direct-acting electromagnetic valve, and the working principle of the direct-acting electromagnetic valve is as follows: when the wiring terminal of the junction box is electrified, the coil is electrified, the static iron core generates electromagnetic force at the moment, the valve core moves upwards under the action of the electromagnetic force, the sealing plug is lifted, the air channel C is communicated with the air channel B, and after the air channel B is disconnected from the air channel A, the electromagnetic valve is in an air inlet state and starts to push the piston type cylinder B to act; when the power is off, the valve core recovers the original condition by the action of the elastic force of the spring, namely the air channel A and the air channel B are disconnected, the air channel B and the air channel A are connected, and the electromagnetic valve is in an exhaust state.
The power supply of the junction box of the direct-acting electromagnetic valve is from an independent power supply of the face recognizer, the voltage of the power supply output end interface is 12V, the current of the power supply output end interface is 2A, the power supply output end interface enters the 12V interface of the relay through the rubber copper core wire, and the 220V output interface of the intermediate relay is connected to the interface of the electromagnetic valve to be electrified. After the electromagnetic valve is electrified to work, the anti-falling mechanism is started to drag the upper circular clamping body to complete all anti-falling action procedures, thereby achieving the aim of the utility model.
Claims (8)
1. The utility model provides a prevent that steel pipe end mills flat-bed machine and mills safety device of clamping body free fall, includes steel pipe end mills flat-bed machine and installs the mechanism of preventing falling on steel pipe end mills flat-bed machine upper portion, characterized by:
an intermediate plate is arranged between two side plates of the steel pipe end milling and leveling machine, a milling cutter head is arranged in the middle of the outer side surface of the intermediate plate, a platform plate is arranged between the outer sides of the upper ends of the two side plates, the platform plate is positioned above a workbench of a lower milling and leveling machine, a lower semicircular clamping body which corresponds to the milling cutter head in position and is provided with an upward opening is fixedly connected to the workbench, a piston cylinder A is vertically and fixedly connected to the upper end surface of the platform plate, a piston rod A of the piston cylinder A extends downwards from a round hole in the platform plate, an upper semicircular clamping body with a downward opening is fixedly connected to the lower end of the piston rod A through a seat plate, and the upper semicircular clamping body and the lower semicircular clamping body are opposite to each other up and down;
the falling prevention mechanism comprises a piston type cylinder B and a support rod, a through hole is formed in the upper portion of the middle plate, a guide shaft sleeve is coaxially fixed and sleeved in the through hole, the support rod is slidably sleeved in the guide shaft sleeve, the outer end of the support rod can stretch into the position under the upper semicircular clamping body, a connecting seat is arranged at the inner end of the support rod, a supporting plate is fixedly connected between the inner sides of the upper ends of the two side plates, the piston type cylinder B is transversely and fixedly connected to the outer side face of the supporting plate, and a piston rod B of the piston type cylinder B is hinged to the connecting seat.
2. The safety device for preventing the milling and clamping body of the steel pipe end milling machine from falling freely as claimed in claim 1, wherein: the milling cutter discs are arranged side by side, the lower semicircular clamping bodies are correspondingly arranged to be two, and the piston type cylinder A and the upper semicircular clamping bodies are correspondingly arranged to be two.
3. The safety device for preventing the milling and clamping body of the steel pipe end milling machine from falling freely as claimed in claim 2, wherein: the support rods are arranged in two rows, a push-pull plate is connected between the inner ends of the two support rods, the push-pull plate and the support rods are fixedly connected through fastening nuts, and the connecting seat is arranged in the middle of the push-pull plate.
4. The safety device for preventing the milling and clamping body of the steel pipe end milling machine from falling freely as claimed in claim 1, wherein: the outside of workstation is equipped with carries the platform, should carry the bench to be equipped with the sliding support who is used for supporting the steel pipe, is equipped with the V-arrangement spout that corresponds with lower semicircle cramping body position on this sliding support.
5. The safety device for preventing the milling and clamping body of the steel pipe end milling machine from falling freely as claimed in claim 1, wherein: the outside of landing slab is equipped with the guiding hole, and the outside of bedplate is equipped with the guide bar that passes the guiding hole and upwards stretches out.
6. The safety device for preventing the milling and clamping body of the steel pipe end milling machine from falling freely as claimed in claim 5, wherein: the outer side of the guide rod is vertically and fixedly connected with a marker post which is the same as the guide rod in length, and the inner side of the upper end of the marker post is provided with a proximity switch.
7. The safety device for preventing the milling and clamping body of the steel pipe end milling machine from falling freely as claimed in claim 1, wherein: the piston cylinder B is connected with a direct-acting electromagnetic valve, one side of a valve body of the electromagnetic valve is provided with a junction box, the upper end of the valve body is provided with a static iron core, the middle of the static iron core is provided with an air channel A communicated with an inner cavity of the valve body, the lower end of the valve body is provided with an air channel B and an air channel C, the air channel B is communicated with the inner cavity of the valve body, the inner end of the air channel C is connected with a valve core capable of sealing the air channel C through a spring, and the upper portion of the inner cavity of the valve body is provided with a coil sleeved outside the valve core.
8. The safety device for preventing the milling and clamping body of the steel pipe end milling machine from falling freely as claimed in claim 7, wherein: and the lower end of the valve core is provided with a sealing plug, and the air channel C is sealed by the sealing plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123185309.7U CN216541070U (en) | 2021-12-17 | 2021-12-17 | Safety device for preventing milling and clamping body of steel pipe end milling machine from freely falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123185309.7U CN216541070U (en) | 2021-12-17 | 2021-12-17 | Safety device for preventing milling and clamping body of steel pipe end milling machine from freely falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216541070U true CN216541070U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123185309.7U Active CN216541070U (en) | 2021-12-17 | 2021-12-17 | Safety device for preventing milling and clamping body of steel pipe end milling machine from freely falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216541070U (en) |
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2021
- 2021-12-17 CN CN202123185309.7U patent/CN216541070U/en active Active
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