A magnesium powder tamping device for a rigid mine cable production line and a magnesium powder tamping method for a rigid mine cable

Abstract

The application provides a rigid mine cable production line magnesium powder jolting device and a rigid mine cable magnesium powder jolting method, wherein the rigid mine cable production line magnesium powder jolting device comprises a support, a driving assembly arranged on the support, and a jolting assembly arranged on the driving assembly, wherein the jolting assembly comprises a first jolting arm and a second jolting arm, the first jolting arm and the second jolting arm can simultaneously knock the two side walls of the rigid mine cable by being arranged between the first driving arm and the second driving arm, so as to jolt the magnesium oxide powder in the rigid mine cable, and the rigid mine cable magnesium powder jolting method mainly comprises two steps of positioning and jolting, the magnesium oxide powder in the rigid mine cable can be effectively jolted by positioning the rigid mine cable and controlling the rotating speed of the driving assembly during the jolting process, the method has the advantages of simple structure, simple operation, and the like, can effectively improve the yield of the rigid mine cable, and is suitable for large-batch continuous production.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of rigid cable manufacturing, and particularly relates to a magnesium powder vibrating and compacting device for a rigid mineral cable production line and a magnesium powder vibrating and compacting method for a rigid mineral cable. BACKGROUND

[0002] In the prior art, as shown in a patent document with patent application number 202020353209, a mineral insulated cable usually adopts magnesium oxide powder as inorganic insulation filling material. By selecting magnesium oxide with high flame retardant performance as the filler of the cable, the cable can be prevented from being ignited, and can be normally used in the open flame.

[0003] In the prior art, during the production process of the mineral insulated cable, the magnesium oxide powder filled in the rigid mineral cable needs to be vibrated and compacted.

[0004] In the prior art, during the production process of the rigid mineral cable, a knocking rod is usually connected to a vibrating motor, and single-sided knocking is performed on one side of the rigid mineral cable to vibrate and compact the magnesium oxide powder in the rigid mineral cable, or a pendulum vibration is performed on both sides of the rigid mineral cable by a reduction gear and a cam mechanism to vibrate and compact the magnesium oxide powder in the rigid mineral cable. In the actual implementation process, the single-sided vibration structure has a high vibration frequency, which may eccentrically vibrate the internal structure of the rigid mineral cable or even damage the copper sheath. The double-sided pendulum vibration of the reduction gear and the cam mechanism has a low vibration frequency, and the magnesium oxide powder in the rigid mineral cable cannot be completely vibrated and compacted. Therefore, improvement is urgently needed. SUMMARY

[0005] The application is proposed to solve the technical problems in the prior art that the magnesium oxide powder in the rigid mineral cable needs to be vibrated and compacted during the production process of the rigid mineral cable, and the magnesium oxide powder is usually vibrated and compacted by single-sided knocking or a method of double-sided vibration by a reduction gear and a cam in the prior art. In the actual implementation process, the former may damage the internal structure of the rigid mineral cable, and the latter has a low vibration frequency, and the magnesium oxide powder in the cable cannot be completely vibrated and compacted. The application provides a magnesium powder vibrating and compacting device for a rigid mineral cable production line. In order to solve the technical problems of the application, the application also provides a magnesium powder vibrating and compacting method for a rigid mineral cable.

[0006] The application adopts the following scheme. A magnesium powder vibrating and compacting device for a rigid mineral cable production line includes a support, a driving assembly arranged on the support, and a vibrating and compacting assembly arranged on the driving assembly. The vibrating and compacting assembly includes a first vibrating arm arranged on one side of the driving assembly and a second vibrating arm arranged on the other side of the driving assembly. The rigid mineral cable can be arranged between one end of the first vibrating arm and one end of the second vibrating arm. The driving assembly is used to drive one end of the first vibrating arm and one end of the second vibrating arm to reciprocally move towards or away from each other, so as to vibrate and compact the magnesium oxide powder in the rigid mineral cable.

[0007] Further, the driving assembly comprises a driving member arranged on the support, and a driving wheel arranged on the driving end of the driving member, the driving member is used to drive the driving wheel to rotate relative to the support, the cross section of the driving wheel is in the shape of an ellipse, the first vibrating arm is arranged on one side of the driving wheel, the second vibrating arm is arranged on the other side of the driving wheel, and the driving wheel is used to drive one end of the first vibrating arm and one end of the second vibrating arm to reciprocate in the direction of moving away from or moving close to each other, so as to drive the other end of the first vibrating arm and the other end of the second vibrating arm to reciprocate in the direction of moving away from or moving close to each other.

[0008] Further, the first vibrating arm comprises a driving part, a collision part arranged on the driving part, and a rotating shaft arranged between the driving part and the collision part, the driving part is arranged on one side of the driving wheel, when the driving wheel rotates relative to the support to the position that the long axis of the driving wheel is perpendicular to the driving part, the driving wheel abuts against the driving part, so as to drive the driving part to rotate in the direction of moving away from the center line of the support, and further drive the collision part to rotate in the direction of moving close to the center line of the support.

[0009] Further, the collision part is provided with a vibrating impact block on the side close to the center line of the support, when the rigid mine cable can be arranged between one end of the first vibrating arm and one end of the second vibrating arm, the vibrating impact block can move in the direction of moving close to the rigid mine cable, so as to vibrate the magnesium oxide powder in the rigid mine cable.

[0010] Further, the end of the collision part is provided with an adjusting bolt, the vibrating impact block is threadedly connected to the adjusting bolt, and the adjusting bolt is used to adjust the distance between the vibrating impact block and the center line of the support.

[0011] Further, the end of the driving part is provided with a buffer bearing, when the driving wheel abuts against the driving part, the buffer bearing is used to reduce the friction between the driving wheel and the driving part.

[0012] Further, a reset spring is arranged between the first vibrating arm and the second vibrating arm, when one end of the first vibrating arm and one end of the second vibrating arm move towards each other, the reset spring is used to drive one end of the first vibrating arm and one end of the second vibrating arm to move away from each other.

[0013] Further, a slide rail is arranged between the vibrating assembly and the support, and the vibrating assembly can slide relative to the support along the length direction of the slide rail.

[0014] In order to solve the technical problems proposed in the application, the application further proposes a rigid mine cable magnesium powder vibrating method, comprising the following steps:

[0015] Step 101. Positioning: according to the cross-sectional diameter of the rigid mine cable, the distance between the first vibrating arm and the second vibrating arm, and the thickness of the tamping block, the tamping station of the rigid mine cable between the first vibrating arm and the second vibrating arm is determined, so that the tamping block can move along the direction perpendicular to the axis of the rigid mine cable;

[0016] Step 102. Tamping: place the rigid mine cable in the tamping station determined in step 101, and start the driving assembly to drive the first vibrating arm at one end of the vibrating station and the second vibrating arm at one end of the vibrating station to reciprocate towards or away from each other, so as to tamping the magnesium oxide powder in the rigid mine cable.

[0017] Further, the rotating speed of the driving assembly in step 102 is 1600-2100 rpm.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] The present application provides a rigid mine cable production line magnesium powder tamping device and a rigid mine cable magnesium powder tamping method, wherein the rigid mine cable production line magnesium powder tamping device comprises a support, a driving assembly arranged on the support, and a tamping assembly arranged on the driving assembly, wherein the tamping assembly comprises a first vibrating arm and a second vibrating arm, by arranging the rigid mine cable between the first driving arm and the second driving arm, the first vibrating arm and the second vibrating arm can simultaneously knock the two side walls of the rigid mine cable to tamping the magnesium oxide powder in the rigid mine cable, the rigid mine cable magnesium powder tamping method mainly comprises two steps of positioning and tamping, by positioning the rigid mine cable and controlling the rotating speed of the driving assembly during tamping, the magnesium oxide powder in the rigid mine cable can be effectively tamped, which has the advantages of simple structure, easy operation, can effectively improve the yield of the rigid mine cable, and is suitable for large-scale continuous production. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced.

[0021] Fig. 1 is a front view of a rigid mine cable production line magnesium powder tamping device of the present application.

[0022] Fig. 2 is a front view of a rigid mine cable production line magnesium powder tamping device of the present application when tamping the rigid mine cable.

[0023] Fig. 3 is a flowchart of a rigid mine cable magnesium powder tamping method of the present application. DETAILED DESCRIPTION

[0024] In combination with the drawings, Figs. 1-3As shown, further illustrate the technical solution, a kind of rigid mine cable production line magnesium powder jolting device, including support 1, drive assembly 2 for being arranged on the support 1, and jolting assembly 3 for being arranged on the drive assembly 2, the jolting assembly 3 includes first vibrating arm 30 for being arranged on the one side of the drive assembly 2, and second vibrating arm 31 for being arranged on the other side of the drive assembly 2, rigid mine cable can be arranged between the one end of the first vibrating arm 30 and the one end of the second vibrating arm 31, and the drive assembly 2 is used to drive the one end of the first vibrating arm 30 and the one end of the second vibrating arm 31 reciprocating to move towards or away from each other, to jolt magnesium oxide powder in rigid mine cable.

[0025] The application provides a rigid mine cable production line magnesium powder jolting device and a rigid mine cable magnesium powder jolting method, wherein the rigid mine cable production line magnesium powder jolting device includes a support, a drive assembly arranged on the support, and a jolting assembly arranged on the drive assembly, wherein the jolting assembly includes a first vibrating arm and a second vibrating arm, by arranging the rigid mine cable between the one end of the first vibrating arm and the one end of the second vibrating arm, the first vibrating arm and the second vibrating arm can simultaneously knock the two side walls of the rigid mine cable to jolt the magnesium oxide powder in the rigid mine cable, and the rigid mine cable magnesium powder jolting method mainly includes two steps of positioning and jolting, by positioning the rigid mine cable and controlling the rotating speed of the drive assembly during jolting, the magnesium oxide powder in the rigid mine cable can be effectively jolted, and the method has the advantages of simple structure, easy operation, effectively improving the yield of the rigid mine cable, and being suitable for mass production.

[0026] In the implementation process of the embodiment, the drive assembly 2 includes a driving member 20 arranged on the support 1, and a driving wheel 21 arranged on the driving end of the driving member 20, the driving member 20 is used to drive the driving wheel 21 to rotate relative to the support 1, the cross-sectional shape of the driving wheel 21 is oval, the first vibrating arm 30 is rotatably arranged on one side of the driving wheel 21, the second vibrating arm 31 is rotatably arranged on the other side of the driving wheel 21, and the driving wheel 21 is used to drive the one end of the first vibrating arm 30 and the one end of the second vibrating arm 31 to reciprocally move in the direction of moving away from or approaching each other, so as to drive the other end of the first vibrating arm 30 and the other end of the second vibrating arm 31 to reciprocally move in the direction of moving away from or approaching each other.

[0027] In actual implementation, the first vibration arm and the second vibration arm are completely identical in structure, the driving member is a driving motor, the first vibration arm and the second vibration arm are mirror-imaged arranged along the center line of the support, the length H of the long axis of the driving wheel and the length h of the short axis satisfy the following relationship: 1.5h≤H≤4.5h, and more further, H=3h. When the driving wheel rotates to the position where the long axis abuts against the driving part, the driving wheel will move the driving part away from the center line of the support, and further move the collision part close to the center line of the support, and further impact the rigid mine cable on both sides with uniform force, and further vibrate the magnesium powder in the rigid mine cable.

[0028] In actual implementation, the first vibration arm 30 includes a driving part 300, a collision part 301 arranged on the driving part 300, and a rotating shaft 302 arranged between the driving part 300 and the collision part 301. The driving part 300 is arranged on one side of the driving wheel 21. When the driving wheel 21 rotates relative to the support 1 to the position where the long axis of the driving wheel 21 is perpendicular to the driving part 300, the driving wheel 21 abuts against the driving part 300, so as to rotate the driving part 300 away from the center line of the support 1, and further rotate the collision part 301 close to the center line of the support 1.

[0029] In actual implementation, a turning part is further arranged between the driving part and the collision part, and the rotating shaft is arranged on the turning part. The distance L between the collision part and the center line of the support and the distance l between the driving part and the center line of the support satisfy the following relationship: L

[0030] In actual implementation, the collision part 301 is provided with a vibrating impact block 303 close to the center line of the support 1. When the rigid mine cable is arranged between one end of the first vibration arm 30 and one end of the second vibration arm 31, the vibrating impact block 303 can move close to the rigid mine cable, so as to vibrate the magnesium powder in the rigid mine cable.

[0031] In actual implementation, the vibrating impact block is a cube. The edge length of the vibrating impact block is positively correlated with the diameter of the cross section of the rigid cable. The vibrating impact block is made of rubber, which can effectively protect the periphery of the rigid mine cable and avoid deformation of the periphery of the rigid mine cable. The vibration caused by the impact of the vibrating impact block on the surface of the rigid mine cable is transmitted to the magnesium powder in the rigid mine cable through the copper sheath. Under the joint action of the vibration force and the gravity, the particles continuously fill the gaps, so as to achieve the effect of vibrating the magnesium powder.

[0032] In the implementation process of the embodiment, the end of the collision part 301 is provided with an adjusting bolt 304, the vibrating and jolting block 303 is threadedly connected to the adjusting bolt 304, and the adjusting bolt 304 is used to adjust the distance of the vibrating and jolting block 303 relative to the center line of the support 1.

[0033] In the actual implementation process, the distance between the two vibrating and jolting blocks can be adjusted through the adjusting bolt, so that the production requirements of rigid cables of different specifications can be met, and the applicability of the application is improved.

[0034] In the implementation process of the embodiment, the end of the driving part 300 is provided with a buffer bearing 305, which is used to reduce the friction between the driving wheel 21 and the driving part 300 when the driving wheel 21 abuts against the driving part 300.

[0035] In the actual implementation process, the buffer bearing is designed to reduce the friction between the driving wheel and the first vibrating arm and the second vibrating arm, improve the rotation smoothness of the first vibrating arm and the second vibrating arm, and increase the efficiency of the driving motor and the service life of each component.

[0036] In the implementation process of the embodiment, the first vibrating arm 30 and the second vibrating arm 31 are provided with a reset spring 4, which is used to drive the one end of the first vibrating arm 30 and the one end of the second vibrating arm 31 to move away from each other when the one end of the first vibrating arm 30 and the one end of the second vibrating arm 31 move towards each other.

[0037] In the actual implementation process, the first vibrating arm and the second vibrating arm are automatically pulled back to the starting position each time they move relatively, so as to ensure that they can always contact the driving wheel, reduce the jamming, jumping or impact generated by the vibrating assembly, prolong the service life of the vibrating assembly, and make the completion of each impact action more smooth and uninterrupted, thereby improving the continuity of cable production.

[0038] In the implementation process of the embodiment, the vibrating assembly 3 and the support 1 are provided with a sliding rail 5, and the vibrating assembly 3 can slide relative to the support 1 along the length direction of the sliding rail 5.

[0039] In the actual implementation process, the vibrating assembly can be moved away when other processes are performed, and the vibrating assembly can be moved in when the vibrating process is performed, so as to improve the production efficiency.

[0040] In order to solve the technical problems proposed in the application, the application also proposes a rigid mine cable magnesium powder vibrating method, which comprises the following steps:

[0041] Step 101. Positioning: according to the cross-sectional diameter of the rigid mine cable, the distance between the first vibrating arm and the second vibrating arm, and the thickness of the tamping block, the tamping station of the rigid mine cable between the first vibrating arm and the second vibrating arm is determined, so that the tamping block can move along the direction perpendicular to the axis of the rigid mine cable;

[0042] Step 102. Tamping: place the rigid mine cable in the tamping station determined in step 101, and start the driving assembly to drive the first vibrating arm at one end of the vibrating station and the second vibrating arm at one end of the vibrating station to reciprocate towards or away from each other, so as to tamping the magnesium oxide powder in the rigid mine cable.

[0043] In the implementation process of the embodiment, the rotating speed of the driving assembly in step 102 is 2000 rpm.

[0044] The application provides a magnesium powder tamping device for a rigid mine cable production line and a magnesium powder tamping method for a rigid mine cable. The magnesium powder tamping device for the rigid mine cable production line comprises a support, a driving assembly arranged on the support, and a tamping assembly arranged on the driving assembly. The tamping assembly comprises a first vibrating arm and a second vibrating arm. The first vibrating arm and the second vibrating arm can simultaneously knock the two side walls of the rigid mine cable by arranging the rigid mine cable between one end of the first driving arm and one end of the second driving arm, so as to tamping the magnesium oxide powder in the rigid mine cable. The magnesium powder tamping method for the rigid mine cable mainly comprises two steps of positioning and tamping. The rotating speed of the driving assembly is controlled during the tamping process, so as to effectively tamping the magnesium oxide powder in the rigid mine cable. The method has the advantages of simple structure, easy operation, and effectively improving the yield of the rigid mine cable, and is suitable for mass production.

[0045] The above is only an embodiment of the application and does not limit the application. Any modification, equivalent replacement and improvement within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A rigid mine cable production line magnesium powder tamping device, characterized in that, The application relates to a vibrating device for magnesium oxide powder in rigid mine cable, which comprises a support (1), a driving assembly (2) arranged on the support (1), and a vibrating assembly (3) arranged on the driving assembly (2), wherein the vibrating assembly (3) comprises a first vibrating arm (30) arranged on one side of the driving assembly (2) and a second vibrating arm (31) arranged on the other side of the driving assembly (2), a rigid mine cable can be arranged between one end of the first vibrating arm (30) and one end of the second vibrating arm (31), and the driving assembly (2) is used for driving one end of the first vibrating arm (30) and one end of the second vibrating arm (31) to move reciprocally towards or away from each other, so as to vibrate the magnesium oxide powder in the rigid mine cable. The driving assembly (2) comprises a driving member (20) arranged on the support (1) and a driving wheel (21) arranged on the driving end of the driving member (20), the driving member (20) is used for driving the driving wheel (21) to rotate relative to the support (1), the cross section of the driving wheel (21) is in the shape of an ellipse, the first vibrating arm (30) is rotatably arranged on one side of the driving wheel (21), the second vibrating arm (31) is rotatably arranged on the other side of the driving wheel (21), and the driving wheel (21) is used for driving one end of the first vibrating arm (30) and one end of the second vibrating arm (31) to move reciprocally in the direction of moving away from or close to each other, so as to drive the other end of the first vibrating arm (30) and the other end of the second vibrating arm (31) to move reciprocally in the direction of moving away from or close to each other. The first vibrating arm (30) comprises a driving part (300), a collision part (301) arranged on the driving part (300), and a rotating shaft (302) arranged between the driving part (300) and the collision part (301), the driving part (300) is arranged on one side of the driving wheel (21), when the driving wheel (21) rotates relative to the support (1) to the position that the long axis of the driving wheel (21) is perpendicular to the driving part (300), the driving wheel (21) abuts against the driving part (300), so that the driving part (300) rotates in the direction of moving away from the center line of the support (1), and further drives the collision part (301) to rotate in the direction of moving close to the center line of the support (1). The collision part (301) is provided with a vibrating impact block (303) on the side close to the center line of the support (1), when the rigid mine cable can be arranged between one end of the first vibrating arm (30) and one end of the second vibrating arm (31), the vibrating impact block (303) can move in the direction of moving close to the rigid mine cable, so as to vibrate the magnesium oxide powder in the rigid mine cable.

2. The magnesium powder tamping device for rigid mine cable production line according to claim 1, characterized in that, The end of the collision part (301) is provided with an adjusting bolt (304), the vibrating impact block (303) is threadedly connected to the adjusting bolt (304), and the adjusting bolt (304) is used for adjusting the distance of the vibrating impact block (303) relative to the center line of the support (1).

3. The magnesium powder tamping device for rigid mine cable production line according to claim 1, characterized in that, The driving part (300) is provided with a buffer bearing (305) at the end, which is used to reduce the friction between the driving wheel (21) and the driving part (300) when the driving wheel (21) abuts against the driving part (300).

4. The magnesium powder tamping device for rigid mine cable production line according to claim 1, characterized in that, The first vibrating arm (30) and the second vibrating arm (31) are provided with a reset spring (4) therebetween, which is used to drive the one end of the first vibrating arm (30) and the one end of the second vibrating arm (31) to move away from each other when the one end of the first vibrating arm (30) and the one end of the second vibrating arm (31) move towards each other.

5. The magnesium powder tamping device for rigid mine cable production line according to claim 1, characterized in that, The vibrating assembly (3) and the support (1) are provided with a slide rail (5) therebetween, and the vibrating assembly (3) can slide along the length direction of the slide rail (5) relative to the support (1).

6. The method of claim 1-5, wherein, The method comprises the following steps: Step 101. Positioning: according to the cross-sectional diameter of the rigid mine cable, the distance between the first vibrating arm and the second vibrating arm, and the thickness of the vibrating impact block, the vibrating position of the rigid mine cable between the first vibrating arm and the second vibrating arm is determined, so that the vibrating impact block can move along the direction perpendicular to the axis of the rigid mine cable; Step 102. Vibrating: the rigid mine cable is placed in the vibrating position determined in step 101, and the driving assembly is started to drive the one end of the first vibrating arm and the one end of the second vibrating arm in the vibrating position to reciprocate towards or away from each other, so as to vibrate the magnesium oxide powder in the rigid mine cable.

7. The method of claim 6, wherein the magnesium powder is vibrated by the vibration device. The rotating speed of the driving assembly in step 102 is 1600-2100 rpm.

Images