CN212458429U - Manual point inspection core rod fracture device capable of preventing cracking of pipe end - Google Patents
Manual point inspection core rod fracture device capable of preventing cracking of pipe end Download PDFInfo
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- CN212458429U CN212458429U CN202021212241.XU CN202021212241U CN212458429U CN 212458429 U CN212458429 U CN 212458429U CN 202021212241 U CN202021212241 U CN 202021212241U CN 212458429 U CN212458429 U CN 212458429U
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Abstract
The utility model discloses a manual point inspection mandrel cracking device with function of preventing tube end cracking, which comprises a base, a cold rolling tube processing channel is arranged on the base, a point inspection support is arranged on the base outside the cold rolling tube processing channel, a mandrel cracking point inspection device is arranged on the point inspection support, the mandrel cracking point inspection device comprises a manual point inspection component and a probe which is connected with the manual point inspection component and is internally provided with a channel, whether the mandrel cracking detection device fails or not can be self-inspected before equipment is started every time by arranging the manual point inspection component on the probe, thereby avoiding the cracking of a core rod and the mandrel caused by the failure or the invalidation of the mandrel cracking detection device, and meanwhile, a cracking prevention tube end component is arranged at the inlet of the cold rolling tube processing channel, preventing the tube end from crashing the outlet of a jaw of a rolling mill due to cracking and leading to the finished tube and the bowing of the core rod, core rod breakage and the like.
Description
Technical Field
The utility model relates to a plug fracture detection device especially relates to a manual some of pipe end fracture is prevented in area and plug fracture device is examined.
Background
When rolling a small-size steel pipe, the core rod is thin and is easy to break during rolling, once the core rod breaks, if the core rod is not found in time, a large amount of finished pipes can be scrapped, even a roller can break, a series of mechanical accidents are caused, and the situation is more serious during high-speed rolling. In the prior art, a small-specification cold rolling mill and a high-speed cold rolling mill are provided with a core rod breakage detection device at a finished product outlet, namely the front end of a core rod, and when the core rod is broken, a breakage front section part and a detection guide rod arranged in front of the core rod are driven by a finished product pipe to move forwards under the feeding of a feeding mechanism of the cold rolling mill, and when the guide rod enters a probe of the detection device, a probe induction coil sends a signal to control the stop of the rolling mill. In order to alarm quickly and timely, the distance between the guide rod and the probe is very short and is only 4-5mm, the distance is difficult to judge by naked eyes during debugging or core rod replacement, and sometimes the guide rod enters the probe carelessly, so that the core rod fracture detection device fails to play a role in protection. In order to reduce the cost and improve the efficiency, most of manufacturers adopt a large-reducing and large-wall-reducing process, the elongation of materials is basically close to the upper limit, and when a pipe is rolled, the pipe end cracks sometimes, the outer diameter of a finished pipe is increased, so that a jaw at the outlet of a rolling mill is damaged, and accidents such as the finished pipe and a core rod bow, the core rod breaks and the like can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art, provide a can manual self-checking take and prevent that pipe end fracture manual point from examining plug breaker, effectively prevent the potential safety hazard because of monitoring devices inefficacy production.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a manual some of pipe end fracture is prevented in area examines plug fracture device, includes the base, is located the base on be provided with cold rolled tube processing passageway, be located outside the cold rolled tube processing passageway be provided with the some on the base and examine the support, the point is examined and is provided with the plug breakpoint on the support and examine the device, the plug breakpoint examine the device include manual some examine the subassembly and with the manual some examine the subassembly and connect and the inside probe that is equipped with the passageway.
Among the above-mentioned technical scheme, manual point is examined the subassembly and is included steering mechanism, guide bar, stop collar, elastic component and probe fixing base, steering mechanism with probe fixing base connect, probe fixing base both ends activity set up in the guide bar on, stop collar cover is located the guide bar on, the elastic component cover is located the front end of stop collar, the guide bar fix the point examine the support on.
In the technical scheme, the guide rods are symmetrically arranged on two sides of the length direction of the cold-rolled tube processing channel in parallel.
In the above technical solution, the steering mechanism includes a steering handle and a rotating arm, and the rotating arm is connected with the probe fixing seat.
In the technical scheme, the front working position of the probe is provided with an inlet guide sleeve, and the rear working position of the probe is provided with an outlet guide sleeve.
In the technical scheme, the inlet of the cold-rolled tube processing channel is provided with the tube end cracking prevention assembly.
Among the above-mentioned technical scheme, prevent pipe end fracture subassembly including set up in the fracture guide pin bushing of cold rolling pipe process passageway front end, be located proximity switch and the cover of cold rolling pipe process passageway rear end are located the outer elasticity seat of cold rolling pipe process passageway, the elasticity seat passes through the point examine the support fixed.
In the above technical solution, the elastic seat includes an elastic seat shell and a second elastic member embedded in the elastic seat.
Compared with the prior art, the method has the following beneficial effects: the manual point inspection assembly is arranged on the probe, so that whether the core rod fracture detection device fails or not can be automatically detected before the equipment is started at every time, the core rod and the core rod are prevented from being fractured due to failure or invalidity of the core rod fracture detection device, meanwhile, the pipe end cracking prevention assembly is arranged at the inlet of the cold-rolled pipe processing channel, and accidents such as finished pipes, core rod arching, core rod fracture and the like due to the fact that a pipe end cracks to damage a clamping jaw of a rolling mill outlet are prevented.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a schematic view of the cross-sectional structure of the present invention.
Fig. 3 is a rear view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, a manual point inspection mandrel breaking device with pipe end cracking prevention function comprises a base 1, a cold-rolled pipe machining channel 2 is arranged on the base, a point inspection support 3 is arranged on the base 1 outside the cold-rolled pipe machining channel 2, a mandrel breaking point inspection device is arranged on the point inspection support 3, and the mandrel breaking point inspection device comprises a manual point inspection assembly and a probe 42 which is connected with the manual point inspection assembly and is internally provided with a channel.
The manual spot-checking assembly comprises a steering mechanism, a guide rod 413, a limiting sleeve 414, an elastic piece 415 and a probe fixing seat 416, wherein the steering mechanism is connected with the probe fixing seat 416, two ends of the probe fixing seat 416 are movably arranged on the guide rod 413, the limiting sleeve 414 is sleeved on the guide rod 413, the elastic piece 415 is sleeved at the front end of the limiting sleeve, the guide rod 413 is fixed on the spot-checking support 3, and the elastic piece preferably adopts a spring.
The guide rods 413 are symmetrically arranged on two sides of the cold-rolled tube processing channel 2 in parallel in the length direction.
The steering mechanism comprises a steering handle 411 and a rotating arm 412, and the rotating arm 412 is connected with a probe fixing seat 416.
An inlet guide sleeve 51 is arranged at the front working position of the probe 42, and an outlet guide sleeve 52 is arranged at the rear working position of the probe 42.
And a pipe end cracking preventing component is arranged at the inlet of the cold-rolled pipe processing channel 2.
The pipe end cracking prevention assembly comprises a cracking guide sleeve 61 arranged at the front end of the cold-rolled pipe processing channel 2, a proximity switch 62 positioned at the rear end of the cold-rolled pipe processing channel 2 and an elastic seat sleeved outside the cold-rolled pipe processing channel 2, and the elastic seat is fixed through the point inspection support 3. The inner aperture of the cracking guide sleeve is 2mm larger than the outer diameter of the finished product pipe.
The elastic seat comprises an elastic seat shell 631 and a second elastic element 632 embedded in the elastic seat, and the second elastic element is preferably a spring.
The point inspection support is vertically arranged from the base and used for fixing the manual point inspection assembly and preventing the pipe end from cracking.
The guide rods are located above and below the cold-rolled tube processing channel, and the two sides of the guide rods are provided with the manual point inspection assemblies which are beneficial to more uniform stress when the manual point inspection assemblies slide.
The outlet guide sleeve, the inlet guide sleeve, the elastic seat and the cracking guide sleeve are all fixed through bearings and are coaxially arranged. The cold-rolled tube passes through the cold-rolled tube processing channel from the cracking guide sleeve, passes through the inlet guide sleeve, enters the probe channel, and then penetrates out of the outlet guide sleeve, and the probe can monitor whether the core rod in the path is brought out together by the cold-rolled tube due to fracture or not in real time.
Under the normal condition, the probe can normally work, after each debugging or before each startup, the position of the core rod can be changed, so that the position of the guide rod is not matched with the probe, the detection device fails, and a series of mechanical accidents are caused.
In addition, the pipe end can crack, the outer diameter of the finished pipe is larger than the outlet through hole of the rolling mill, and a series of mechanical accidents can be caused, so that the pipe end cracking prevention assembly is arranged at the inlet of the cold rolling pipe processing channel.
Once the pipe end cracks, when the outer diameter size of the finished pipe is larger than the inner hole of the cracking guide sleeve, the finished pipe pushes the cracking guide sleeve and the cold-rolled pipe processing channel to overcome the acting force of the second elastic piece to move leftwards under the action of the feeding mechanism of the rolling mill, and when the cold-rolled pipe processing channel is pushed to the position of the proximity switch, the proximity switch sends a signal to control the rolling mill to stop, and the cracked pipe end is manually removed.
The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.
Claims (8)
1. The utility model provides a manual some of pipe end fracture is prevented in area examines plug fracture device, includes base (1), is located the base on be provided with cold rolled tube process passageway (2), its characterized in that is located cold rolled tube process passageway (2) are outer be provided with some on base (1) and examine support (3), it examines the device to be provided with the plug breakpoint on support (3) to examine to some, the plug breakpoint examine the device include manual some examine the subassembly and with manual some examine the probe (42) that the subassembly is connected and inside is equipped with the passageway.
2. The manual point inspection mandrel breaking device with the pipe end cracking prevention function according to claim 1, wherein the manual point inspection assembly comprises a steering mechanism, a guide rod (413), a limiting sleeve (414), an elastic piece (415) and a probe fixing seat (416), the steering mechanism is connected with the probe fixing seat (416), two ends of the probe fixing seat (416) are movably arranged on the guide rod (413), the limiting sleeve (414) is sleeved on the guide rod (413), the elastic piece (415) is sleeved at the front end of the limiting sleeve, and the guide rod (413) is fixed on the point inspection support (3).
3. The manual point-inspection mandrel breakage preventing device with the pipe end cracking function according to claim 2, wherein the guide rods (413) are symmetrically arranged on two sides of the cold-rolled pipe processing channel (2) in the length direction in parallel.
4. The manual point inspection core rod breaking device with the function of preventing the cracking of the pipe end according to claim 2, wherein the steering mechanism comprises a steering handle (411) and a rotating arm (412), and the rotating arm (412) is connected with the probe fixing seat (416).
5. The manual point inspection core rod breaking device with the function of preventing the cracking of the pipe end according to claim 1, wherein an inlet guide sleeve (51) is arranged at a front working position of the probe (42), and an outlet guide sleeve (52) is arranged at a rear working position of the probe (42).
6. The manual point-inspection mandrel breaking device with the function of preventing the cracking of the tube end according to claim 1, wherein a tube end cracking preventing assembly is arranged at an inlet of the cold-rolled tube processing channel (2).
7. The manual point-inspection mandrel breaking device capable of preventing the cracking of the tube end according to claim 6, wherein the tube end cracking preventing assembly comprises a cracking guide sleeve (61) arranged at the front end of the cold-rolled tube processing channel (2), a proximity switch (62) arranged at the rear end of the cold-rolled tube processing channel (2), and an elastic seat sleeved outside the cold-rolled tube processing channel (2), and the elastic seat is fixed by the point-inspection support (3).
8. The manual point inspection mandrel breaking device with the function of preventing the cracking of the tube end according to claim 7, wherein the elastic seat comprises an elastic seat shell (631) and a second elastic piece (632) embedded in the elastic seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021212241.XU CN212458429U (en) | 2020-06-28 | 2020-06-28 | Manual point inspection core rod fracture device capable of preventing cracking of pipe end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021212241.XU CN212458429U (en) | 2020-06-28 | 2020-06-28 | Manual point inspection core rod fracture device capable of preventing cracking of pipe end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212458429U true CN212458429U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021212241.XU Active CN212458429U (en) | 2020-06-28 | 2020-06-28 | Manual point inspection core rod fracture device capable of preventing cracking of pipe end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212458429U (en) |
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2020
- 2020-06-28 CN CN202021212241.XU patent/CN212458429U/en active Active
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