阅读说明：本技术 提高胶管胶层附着力的后置自动刻槽装置 (Postposition automatic grooving device for improving adhesive force of rubber layer of rubber tube ) 是由 赵永涛 孙卓亚 翟恒磊 于 2021-01-21 设计创作，主要内容包括：一种提高胶管胶层附着力的后置自动刻槽装置,通过在芯道内设置驱动机构,刀具与驱动机构的刀轴连接,芯道的收集室一端与挤出设备的挤出头连接,驱动机构驱动刀具旋转,钢丝缠绕层穿过芯道时,刀具对钢丝层的镀层进行三角形槽口切割,切割的同时处理碎屑和尘埃,切割后的钢丝层穿过挤出头后形成橡胶层,与钢丝镀层接触的橡胶相应地挤入到三角形槽口内,在硫化后形成外层。克服了原高压胶管生产时结构支撑层与橡胶层附着力性能差,采用传统镀层处理法使得钢丝性能降低,相对降低了胶管的品质和性能的问题。具有结构简单,提高钢丝层与外层的附着力,且钢丝的强度和机械性能不发生变化,不影响胶管的品质,提高了胶管的性能,操作简单方便的特点。(The utility model provides an improve rearmounted automatic notching device of rubber tube glue film adhesive force, through set up actuating mechanism in the core way, the cutter is connected with actuating mechanism's arbor, the collection room one end that the core was said is connected with the head of extruding of extrusion equipment, actuating mechanism drive cutter is rotatory, when the core was said in the steel wire winding layer crossing, the cutter carries out triangle-shaped notch cutting to the cladding material on steel wire layer, handle piece and dust when the cutting, the steel wire layer after the cutting passes forms the rubber layer after extruding the head, extrude the triangle-shaped notch in the rubber with steel wire cladding material contact correspondingly, form skin after the vulcanization. The method solves the problems that the adhesive force performance of the structure supporting layer and the rubber layer is poor when the original high-pressure rubber pipe is produced, the performance of the steel wire is reduced by adopting the traditional plating treatment method, and the quality and the performance of the rubber pipe are relatively reduced. The rubber tube has the characteristics of simple structure, improvement of the adhesive force between the steel wire layer and the outer layer, no change of the strength and the mechanical property of the steel wire, no influence on the quality of the rubber tube, improvement of the performance of the rubber tube, and simple and convenient operation.)

1. The utility model provides an improve rearmounted automatic notch cut device of rubber tube glue film adhesive force, characterized by: the device comprises a core channel (1), a driving mechanism (2) and a cutter (3); a cutter shaft (21) of the driving mechanism (2) axially penetrates through the pipe wall of the core channel (1) to be matched with the pipe wall, a connecting rod (31) of the cutter (3) radially penetrates through the cutter shaft (21) to be connected with the cutter shaft, a cutter head (32) of the cutter (3) extends into the hard core channel (11) of the core channel (1), and a cutter edge (35) is consistent with the radial direction of the hard core channel (11); the number of the driving mechanisms (2) is one or more, the driving mechanisms are uniformly distributed along the hard core channel (11) in an annular manner when the number of the driving mechanisms is multiple, the motors (22) synchronously or sequentially drive the cutter shaft (21) to rotate to drive the cutter (3) to rotate, and the cutter edge (35) radially cuts and unhaires.

2. The post-positioned automatic grooving device for improving the adhesive force of the rubber layer of the rubber hose according to claim 1, wherein: the core channel (1) is a cylinder provided with a hard core channel (11) along the central axial direction, a plurality of axial shaft holes (12) penetrating through the cylinder are arranged outside the hard core channel (11), a plurality of cutter groove holes (13) are radially arranged along the cylinder and communicated with the hard core channel (11), and a cutter shaft (21) is matched with the shaft holes (12).

3. The post-positioned automatic grooving device for improving the adhesive force of the rubber layer of the rubber hose according to claim 2, wherein: two ends of the hard core channel (11) are respectively provided with a motor chamber (14) and a collection chamber (15), and the collection pipe (16) is communicated with the collection chamber (15).

4. The post-positioned automatic grooving device for improving the adhesive force of the rubber layer of the rubber hose according to claim 1, wherein: the driving mechanism (2) comprises a motor (22) connected with the cutter shaft (21) and bearings (23) which are positioned at two ends of the cutter shaft (21) and matched with each other, and a through mounting hole (24) is formed in the middle of the cutter shaft (21).

5. The post-positioned automatic grooving device for improving the adhesive force of the rubber layer of the rubber hose according to claim 4, wherein: the mounting hole (24) comprises a key groove positioned on the cutter shaft (21), a long waist hole and a round hole, wherein the center of the key groove penetrates through the cutter shaft (21), the round hole is communicated with the long waist hole, and the diameter of the round hole is larger than the width of the long waist hole.

6. The post-positioned automatic grooving device for improving the adhesive force of the rubber layer of the rubber hose according to claim 1, wherein: the cutter (3) comprises a cutter head (32) and a locking screw (33) which are respectively connected with two ends of the connecting rod (31), and limiting plates (34) which are positioned on two sides of the connecting rod (31) and connected with each other.

7. The post-positioned automatic grooving device for improving the adhesive force of the rubber layer of the rubber hose according to claim 6, wherein: the cutter head (32) is of a rhombic structure, a cutter edge (35) of an inverted V-shaped structure is arranged at the cutter point at the lower end, and the cutter edges are positioned on the inner side and the outer side of the cutter edge (35); the limiting plate (34) is a flat plate with an upward arc-shaped opening, the arc surface is matched with the outer wall of the cutter shaft (21), and the cutting edge on the outer side of the knife edge (35) is consistent with the radial direction of the cutter shaft (21).

8. The grooving method of the post automatic grooving device for improving the adhesive force of the rubber layer of the rubber hose according to any one of claims 1 to 7, comprising the following steps:

s1, mounting, wherein a collecting chamber (15) at one end of a core channel (1) is connected with one end of an extrusion head of the extrusion equipment, and the core channel (1) and a horizontal pipe of the extrusion head have the same axis;

s2, threading, wherein one end of the core rod sleeved with the inner tube sequentially penetrates through the hard core channel (11) and the horizontal tube of the extrusion head, and the end of the core rod penetrating through the horizontal tube is connected with a core rod traction device; at the moment, the inner pipe sleeved on the core rod does not penetrate through the hard core channel (11);

s3, winding, namely winding one or more steel wires on the inner pipe by using a steel wire winding machine, and winding from the traction end of the core rod to the other end of the core rod during winding; the winding angle of the steel wire is 55 degrees and 44'; in the process, the mandrel traction equipment pulls the mandrel to move linearly and is matched with a steel wire winding machine to wind steel wires;

s4, grooving, wherein when a steel wire is gradually wound on the inner pipe and enters the hard core channel (11), the motor (22) is started, the cutter shaft (21) rotates to drive the cutter head (32) to rotate, the cutting edge on the outer side of the cutter head (32) is rapidly contacted with the steel wire, and a coating on the surface of the steel wire is cut, but the steel wire body is not cut; the notch cut on the surface of the plating layer is a triangular notch;

in S4, the cutting edge on the outer side of the cutter head (32) continues to rotate after cutting the coating, when the cutting edge (35) passes through the cut triangular notch, the cutting edge on the inner side of the cutting edge (35) contacts with the triangular notch to remove the burrs on the cutting edge;

in S4, when the number of the driving mechanisms (2) is one, the cutter head (32) cuts a coil of steel wire every time the cutter head rotates around the cutter shaft (21);

in S4, when the number of the driving mechanisms (2) is multiple, the multiple cutter heads (32) respectively cut different strands of steel wires every time the cutter heads rotate around the cutter shaft (21); under the condition, the rubber tube is suitable for a rubber tube with a structure of winding steel wires at high speed by multiple strands.

9. The method for mounting the cutter of the post automatic grooving device for improving the adhesive force of the rubber layer of the rubber hose according to any one of claims 1 to 7, which is characterized by comprising the following steps:

s1, installing a cutter shaft, inserting one end of the cutter shaft (21) from one end of a shaft hole (12) of a core track (1) to be matched with the cutter shaft, locating one end of the cutter shaft (21) with a key groove in a motor chamber (14), respectively matching two bearings (23) with shaft necks at two ends of the cutter shaft (21), and matching the bearings (23) with bearing holes at two ends of the shaft hole (12);

s2, installing a motor, connecting a connector at the output end of the motor (22) with one end of the cutter shaft (21), positioning the motor (22) in the motor chamber (14), and connecting and fixing a fastener with the core channel (1) through a motor outer cover;

s3, mounting a cutter, and poking the cutter shaft (21) to rotate so that the mounting hole (24) on the cutter shaft (21) faces the cutter groove hole (13) on the core track (1); slowly inserting a tool bit (32) at the front end of the connecting rod (31) into the mounting hole (24) towards the tool slot hole (13), selecting 90 degrees for the connecting rod (31) after the tool bit (32) and the limiting plate (34) completely penetrate through the cutter shaft (21), lifting the connecting rod (31) upwards to enable the limiting plate (34) to be matched with the cutter shaft (21) for limiting, and rotating the locking screw (33) for locking;

and S4, repeating S1-S3, and finishing the installation of the rest driving mechanisms (2) and the cutter (3).

10. The method for adhering the rubber layer of the rubber tube of the post-positioned automatic grooving device for improving the adhesive force of the rubber layer of the rubber tube according to any one of claims 1 to 7, which is characterized by comprising the following steps of:

s1, cutting the steel wire coating, wherein when the steel wire layer wound on the hard core inner tube enters the hard core channel (11), the driving mechanism (2) starts to drive the cutter (3) to rotate to cut the steel wire coating on the surface of the steel wire layer to form a triangular open slot;

s2, removing dust, wherein part of the scraps cut by the steel wire layer fall from the cutter slot hole (13) of the core channel (1), and the rest scraps and dust falling in the collecting chamber (15) are sucked away by a dust collector connected with the collecting pipe (16);

s3, extruding the outer layer, wherein when the steel wire layer after dust removal passes through an extrusion head of extrusion equipment, the extruded rubber is attached to the outside of the steel wire layer to form the outer layer; at this time, the rubber in contact with the steel wire layer is correspondingly extruded into the triangular opening groove cut by the steel wire coating.

Technical Field

The invention belongs to the technical field of preparation and production of high-pressure rubber pipes, and relates to a rear automatic grooving device for improving adhesive force of a rubber layer of a rubber pipe.

Background

The rubber tube is widely used for modern industrial manufacturing and industrial application, can be bent, has a certain bending radius, has high pressure resistance after being bent, and is generally used as a main part for pressure conveying and transferring. Its structure mainly comprises inner tube, supporting layer and skin, and the supporting layer is located between inner tube and the outer tube, and the inner tube is used for fluidic passing through, avoids fluid infiltration supporting layer and skin, and the supporting layer mainly plays and increases structural strength and stability effect, and the skin mainly plays the guard action. The inner pipe and the outer layer are made of rubber materials, the supporting layer is of a steel wire winding or weaving structure, and the steel wire is usually plated with a metal anticorrosive layer before winding or weaving, so that the influence of corrosion on the overall performance is avoided. Taking a rubber tube with a steel wire winding structure as an example, the main process during production is as follows: batching → internal mixing → open mixing → calendering → extrusion inner pipe → winding → extrusion outer layer → water wrapping cloth → vulcanization → water removing cloth → decortication → test.

The rubber tube outer layer is an extrusion head which directly penetrates through rubber extrusion equipment after the steel wire is wound, the extrusion head is of a T-shaped three-way pipeline structure, rubber materials enter a horizontal tube from a lateral vertical tube after being heated, a hard core rod penetrates through the horizontal tube, the rubber tube is sleeved on the hard core rod and connected with the hard core rod into a whole, the steel wire is wound on the rubber tube, when the hard core rod passes through the horizontal tube of the extrusion head, the rubber materials are attached to a steel wire winding layer, and an outer rubber layer is formed from the other end of the horizontal tube.

In the application process of the rubber tube, the pressure born by the rubber tube is large, generally, in units of MPa, the rubber tube not only needs to have strong strength, but also needs to have good pressure resistance, plastic deformation performance, fatigue resistance and the like, one of the main reasons for influencing the performances in the preparation process is the adhesive performance between rubber and steel wires, and the adhesive performance between the rubber and the steel wires depends on the roughness of the surface of a steel wire coating. In order to improve the roughness of the surface of a steel wire coating, the traditional process adopts the effect of roughening the surface of the steel wire or obtaining the roughness by pickling and corroding before electroplating, but a series of problems of reduction of the diameter of the steel wire, reduction of the strength and the mechanical property, generation of hydrogen embrittlement and the like exist, the quality of the rubber tube is influenced, and the performance of the rubber tube is further influenced.

Disclosure of Invention

The invention aims to solve the technical problem of providing a post-positioned automatic grooving device for improving the adhesive force of a rubber layer of a rubber tube, which has a simple structure, wherein a driving mechanism is arranged in a core channel, a cutter is connected with a cutter shaft of the driving mechanism, one end of a collecting chamber of the core channel is connected with an extrusion head of extrusion equipment, the driving mechanism drives the cutter to rotate, when a steel wire winding layer passes through the core channel, the cutter performs triangular notch cutting on a coating of a steel wire layer, scraps and dust are processed while cutting, the cut steel wire layer passes through the extrusion head to form a rubber layer, rubber in contact with the steel wire coating is correspondingly extruded into the triangular notch, an outer layer is formed after vulcanization, the adhesive force between the steel wire layer and the outer layer is improved, the strength and the mechanical property of the steel wire are not changed, the quality of the rubber tube is not influenced, the performance of the rubber tube is improved, and the operation is simple and convenient.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a postposition automatic grooving device for improving adhesive force of a rubber layer of a rubber tube comprises a core channel, a driving mechanism and a cutter; a cutter shaft of the driving mechanism axially penetrates through the pipe wall of the core channel to be matched with the core channel, a connecting rod of the cutter radially penetrates through the cutter shaft to be connected with the cutter shaft, a cutter head of the cutter extends into the hard core channel of the core channel, and the radial direction of the cutter edge is consistent with that of the hard core channel; the number of the driving mechanisms is one or more, the driving mechanisms are annularly and uniformly distributed along the hard core channel when the number of the driving mechanisms is multiple, the motors synchronously or sequentially drive the cutter shafts to rotate to drive the cutter to rotate, and the cutter edges radially cut and unhair.

The core channel is a cylinder with a hard core channel arranged along the central axial direction, a plurality of axial shaft holes penetrating through the cylinder are arranged outside the hard core channel, a plurality of cutter groove holes are arranged along the radial direction of the cylinder and communicated with the hard core channel, and the cutter shaft is matched with the shaft holes.

The two ends of the hard core channel are respectively provided with a motor chamber and a collection chamber, and the collection pipe is communicated with the collection chamber.

The driving mechanism comprises a motor connected with the cutter shaft and bearings located at two ends of the cutter shaft and matched with each other, and a through mounting hole is formed in the middle of the cutter shaft.

The mounting hole includes the keyway that is located on the arbor, is located keyway center and runs through long waist hole and the round hole in the arbor, round hole and long waist hole UNICOM, and the round hole diameter is greater than the width in long waist hole.

The cutter includes tool bit and locking screw that are connected respectively with connecting rod both ends to and be located the limiting plate that the connecting rod both sides are connected.

The cutter head is of a rhombic structure, a cutter edge of an inverted V-shaped structure is arranged at a cutter point at the lower end, and the cutter edges are positioned on the inner side and the outer side of the cutter edge; the limiting plate is a flat plate with an upward arc-shaped opening, the arc surface is matched with the outer wall of the cutter shaft, and the cutting edge on the outer side of the knife edge is consistent with the radial direction of the cutter shaft.

The grooving method of the postposition automatic grooving device for improving the adhesive force of the rubber layer of the rubber tube comprises the following steps:

s1, mounting, connecting the collecting chamber at one end of the core channel with one end of the extrusion head of the extrusion equipment, wherein the core channel and the horizontal pipe of the extrusion head have the same axis;

s2, threading, wherein one end of the core rod sleeved with the inner tube sequentially penetrates through the hard core channel and the horizontal tube of the extrusion head, and the end of the core rod penetrating through the horizontal tube is connected with a core rod traction device; at the moment, the inner pipe sleeved on the core rod does not penetrate through the hard core channel;

s3, winding, namely winding one or more steel wires on the inner pipe by using a steel wire winding machine, and winding from the traction end of the core rod to the other end of the core rod during winding; the winding angle of the steel wire is 55 degrees and 44'; in the process, the mandrel traction equipment pulls the mandrel to move linearly and is matched with a steel wire winding machine to wind steel wires;

s4, grooving, wherein when the steel wire is gradually wound on the inner pipe and enters the hard core channel, the motor is started, the cutter shaft rotates to drive the cutter head to rotate, the cutting edge on the outer side of the cutter head is rapidly contacted with the steel wire, and the coating on the surface of the steel wire is cut but the steel wire body is not cut; the notch cut on the surface of the plating layer is a triangular notch;

in S4, the cutting edge on the outer side of the cutter head continues rotating after cutting the coating, when the cutting edge passes through the cut triangular notch, the cutting edge on the inner side of the cutting edge contacts with the triangular notch to remove the burrs on the cutting edge;

in S4, when the number of the driving mechanisms is one, the cutter head cuts a coil of steel wire every time the cutter head rotates around the cutter shaft;

in S4, when the number of the driving mechanisms is plural, the plural cutter heads cut different strands of steel wires each time the cutter heads rotate around the cutter shaft; under the condition, the rubber tube is suitable for a rubber tube with a structure of winding steel wires at high speed by multiple strands.

The cutter mounting method of the rear automatic grooving device for improving the adhesive force of the rubber layer of the rubber tube comprises the following steps:

s1, installing a cutter shaft, inserting one end of the cutter shaft into the shaft hole end of the core track to be matched with the cutter shaft, locating one end of the cutter shaft with a key groove in the motor chamber, respectively matching two bearings with shaft necks at two ends of the cutter shaft, and matching the bearings with bearing holes at two ends of the shaft hole;

s2, installing a motor, connecting a connector at the output end of the motor with one end of a cutter shaft, positioning the motor in a motor chamber, and connecting and fixing a fastener with a core channel through a motor outer cover;

s3, mounting a cutter, and poking the cutter shaft to rotate to enable the mounting hole on the cutter shaft to face the cutter groove hole on the core path; slowly inserting a tool bit at the front end of the connecting rod into the mounting hole towards the tool slot hole, selecting the connecting rod to be 90 degrees after the tool bit and the limiting plate completely penetrate through the cutter shaft, lifting the connecting rod upwards to enable the limiting plate to be matched with the cutter shaft for limiting, and rotating a locking screw for locking;

and S4, repeating S1-S3, and finishing the installation of the rest driving mechanisms and the cutters.

The rubber layer adhesion method of the post-positioned automatic grooving device for improving the adhesive force of the rubber layer of the rubber pipe comprises the following steps:

s1, cutting the steel wire coating, wherein when the steel wire layer wound on the hard core inner tube enters the hard core channel, the driving mechanism starts to drive the cutter to rotate to cut the steel wire coating on the surface of the steel wire layer to form a triangular open slot;

s2, removing dust, wherein part of scraps cut by the steel wire layer fall from the cutter slot hole of the core channel, and the rest scraps and dust falling in the collecting chamber are sucked away by a dust collector connected with the collecting pipe;

s3, extruding the outer layer, wherein when the steel wire layer after dust removal passes through an extrusion head of extrusion equipment, the extruded rubber is attached to the outside of the steel wire layer to form the outer layer; at this time, the rubber in contact with the steel wire layer is correspondingly extruded into the triangular opening groove cut by the steel wire coating.

A postposition automatic grooving device for improving adhesive force of a rubber layer of a rubber tube comprises a core channel, a driving mechanism and a cutter; a cutter shaft of the driving mechanism axially penetrates through the pipe wall of the core channel to be matched with the core channel, a connecting rod of the cutter radially penetrates through the cutter shaft to be connected with the cutter shaft, a cutter head of the cutter is deeply inserted into the hard core channel of the core channel, and the radial direction of a cutter edge is consistent with that of the hard core channel; the number of the driving mechanisms is one or more, the driving mechanisms are annularly and uniformly distributed along the hard core channel when the number of the driving mechanisms is multiple, the motors synchronously or sequentially drive the cutter shafts to rotate to drive the cutter to rotate, and the cutter edges radially cut and unhair. Simple structure, through set up actuating mechanism in the core way, the cutter is connected with actuating mechanism's arbor, the collection room one end that the core was said is connected with extrusion equipment's the head of extruding, actuating mechanism drive cutter is rotatory, when passing the core way through steel wire winding layer, the cutter carries out the cutting of triangle-shaped notch to the cladding material on steel wire layer, handle piece and dust when cutting, the steel wire layer after the cutting passes and forms the rubber layer after extruding the head, correspondingly extrude into the triangle-shaped notch with the rubber of steel wire cladding material contact in, form outer after the vulcanization, improve steel wire layer and outer adhesive force, and the intensity and the mechanical properties of steel wire do not change, do not influence the quality of rubber tube, the performance of rubber tube has been improved, and easy operation is convenient.

In the preferred scheme, the core channel is a cylinder provided with a hard core channel along the central axial direction, a plurality of axial shaft holes penetrating through the cylinder are arranged outside the hard core channel, a plurality of cutter groove holes are arranged along the radial direction of the cylinder and communicated with the hard core channel, and the cutter shaft is matched with the shaft holes. Simple structure, during the installation, actuating mechanism's arbor and the shaft hole cooperation that the core said, the plug passes hard core passageway, and the sword groove hole is used for installing cutter headspace, and during the use, the sword groove hole provides cutter rotation space.

In a preferred scheme, a motor chamber and a collection chamber are respectively arranged at two ends of the hard core channel, and the collection pipe is communicated with the collection chamber. Simple structure, during the installation, the collection room that is located hard core passageway one side is connected with extrusion device's extrusion head, and the mouth of pipe of collecting pipe is down, is favorable to cutting the piece and drops.

In a preferred scheme, the driving mechanism comprises a motor connected with the cutter shaft and bearings located at two ends of the cutter shaft and matched with each other, and a through mounting hole is formed in the middle of the cutter shaft. The structure is simple, during installation, the coupler at the output end of the motor is matched and connected with one end of the cutter shaft key groove, the motor is positioned in the motor chamber at one end of the core channel, and the motor chamber plays a role in protecting the motor.

In the preferred scheme, the mounting hole is including being located the keyway on the arbor, being located keyway center and running through in the long waist hole and the round hole of arbor, round hole and long waist hole UNICOM, and the round hole diameter is greater than the width in long waist hole. Simple structure, when the cutter installation, the round hole at the mounting hole center of arbor and the connecting rod cooperation of cutter, long waist hole and limiting plate cooperation for the cutter can smoothly pass the mounting hole, and when cutter locking, locking screw's fastening head and smooth keyway face contact, area of contact is big, has increased lifting surface area, and bearing capacity is good, avoids the pine to take off.

In preferred scheme, the cutter includes the tool bit and the locking screw that are connected respectively with the connecting rod both ends to and be located the limiting plate that the connecting rod both sides are connected. Simple structure, during the installation, the tool bit of connecting rod one end is rotatory 90 after slowly passing the arbor with tool bit and limiting plate towards the epaxial mounting hole of arbor, upwards promotes the connecting rod again and makes limiting plate and arbor cooperation, and rotatory locking screw locks simultaneously, connects into a whole with cutter and arbor, and simple to operate is swift, can change the cutter under the condition of not dismantling actuating mechanism, maintains convenient and fast.

In a preferred scheme, the cutter head is of a rhombic structure, a cutter edge of an inverted V-shaped structure is arranged at a cutter point at the lower end, and the cutter edges are positioned on the inner side and the outer side of the cutter edge; the limiting plate is a flat plate with an upward arc-shaped opening, the arc surface is matched with the outer wall of the cutter shaft, and the cutting edge on the outer side of the knife edge is consistent with the radial direction of the cutter shaft. Simple structure, during the installation, the arc mouth on the limiting plate cooperates completely with the outer wall of arbor, and the restriction connecting rod is around the radial rotation of arbor, makes the blade of edge of a knife outside all the time radially towards the steel wire layer.

In a preferred scheme, the grooving method of the post-positioned automatic grooving device for improving the adhesive force of the rubber layer of the rubber hose comprises the following steps:

s1, mounting, connecting the collecting chamber at one end of the core channel with one end of the extrusion head of the extrusion equipment, wherein the core channel and the horizontal pipe of the extrusion head have the same axis;

s2, threading, wherein one end of the core rod sleeved with the inner tube sequentially penetrates through the hard core channel and the horizontal tube of the extrusion head, and the end of the core rod penetrating through the horizontal tube is connected with a core rod traction device; at the moment, the inner pipe sleeved on the core rod does not penetrate through the hard core channel;

s3, winding, namely winding one or more steel wires on the inner pipe by using a steel wire winding machine, and winding from the traction end of the core rod to the other end of the core rod during winding; the winding angle of the steel wire is 55 degrees and 44'; in the process, the mandrel traction equipment pulls the mandrel to move linearly and is matched with a steel wire winding machine to wind steel wires;

s4, grooving, wherein when the steel wire is gradually wound on the inner pipe and enters the hard core channel, the motor is started, the cutter shaft rotates to drive the cutter head to rotate, the cutting edge on the outer side of the cutter head is rapidly contacted with the steel wire, and the coating on the surface of the steel wire is cut but the steel wire body is not cut; the notch cut on the surface of the plating layer is a triangular notch;

in S4, the cutting edge on the outer side of the cutter head continues rotating after cutting the coating, when the cutting edge passes through the cut triangular notch, the cutting edge on the inner side of the cutting edge contacts with the triangular notch to remove the burrs on the cutting edge;

in S4, when the number of the driving mechanisms is one, the cutter head cuts a coil of steel wire every time the cutter head rotates around the cutter shaft;

in S4, when the number of the driving mechanisms is plural, the plural cutter heads cut different strands of steel wires each time the cutter heads rotate around the cutter shaft; under the condition, the rubber tube is suitable for a rubber tube with a structure of winding steel wires at high speed by multiple strands. The method is simple and convenient to operate, the coating of the steel wire layer is cut on line, the steel wire body is not damaged, and the strength and the mechanical property of the steel wire are not changed.

In a preferred scheme, the method for installing the cutter of the rear automatic grooving device for improving the adhesive force of the rubber layer of the rubber tube comprises the following steps:

s1, installing a cutter shaft, inserting one end of the cutter shaft into the shaft hole end of the core track to be matched with the cutter shaft, locating one end of the cutter shaft with a key groove in the motor chamber, respectively matching two bearings with shaft necks at two ends of the cutter shaft, and matching the bearings with bearing holes at two ends of the shaft hole;

s2, installing a motor, connecting a connector at the output end of the motor with one end of a cutter shaft, positioning the motor in a motor chamber, and connecting and fixing a fastener with a core channel through a motor outer cover;

s3, mounting a cutter, and poking the cutter shaft to rotate to enable the mounting hole on the cutter shaft to face the cutter groove hole on the core path; slowly inserting a tool bit at the front end of the connecting rod into the mounting hole towards the tool slot hole, selecting the connecting rod to be 90 degrees after the tool bit and the limiting plate completely penetrate through the cutter shaft, lifting the connecting rod upwards to enable the limiting plate to be matched with the cutter shaft for limiting, and rotating a locking screw for locking;

and S4, repeating S1-S3, and finishing the installation of the rest driving mechanisms and the cutters. The method is simple and convenient to operate, the cutters can be quickly replaced and installed under the condition that the driving mechanism and the core channel are detached, the cutters with different lengths can be replaced according to different rubber tube diameters, the adaptability is good, and the maintenance is convenient and quick.

In a preferred scheme, the method for adhering the rubber layer of the post-positioned automatic grooving device for improving the adhesive force of the rubber layer comprises the following steps:

s1, cutting the steel wire coating, wherein when the steel wire layer wound on the hard core inner tube enters the hard core channel, the driving mechanism starts to drive the cutter to rotate to cut the steel wire coating on the surface of the steel wire layer to form a triangular open slot;

s2, removing dust, wherein part of scraps cut by the steel wire layer fall from the cutter slot hole of the core channel, and the rest scraps and dust falling in the collecting chamber are sucked away by a dust collector connected with the collecting pipe;

s3, extruding the outer layer, wherein when the steel wire layer after dust removal passes through an extrusion head of extrusion equipment, the extruded rubber is attached to the outside of the steel wire layer to form the outer layer; at this time, the rubber in contact with the steel wire layer is correspondingly extruded into the triangular opening groove cut by the steel wire coating. The method is simple and convenient to operate, the notch of the steel wire layer is cut on line, scraps are cleaned at the same time, the adhesive force between the steel wire layer and the outer layer is improved, the strength and the mechanical property of the steel wire are not influenced, the quality and the performance of the rubber tube are correspondingly improved, and the production efficiency is high.

The utility model provides a improve rearmounted automatic notching device of rubber tube glue film adhesive force, it includes the core way, actuating mechanism and cutter, through set up actuating mechanism in the core way, the cutter is connected with actuating mechanism's arbor, the collection room one end of core way is connected with extrusion equipment's extrusion head, actuating mechanism drive cutter is rotatory, when passing the core way through steel wire winding layer, the cutter carries out triangle-shaped notch cutting to the cladding material on steel wire layer, handle piece and dust when cutting, the steel wire layer after the cutting passes and forms the rubber layer after extrusion head, extrude into the triangle-shaped notch mouth correspondingly with the rubber of steel wire cladding material contact, form the skin after vulcanizing. The method solves the problems that the adhesive force performance of the structure supporting layer and the rubber layer is poor when the original high-pressure rubber pipe is produced, the performance of the steel wire is reduced by adopting the traditional plating treatment method, and the quality and the performance of the rubber pipe are relatively reduced. The rubber tube has the characteristics of simple structure, improvement of the adhesive force between the steel wire layer and the outer layer, no change of the strength and the mechanical property of the steel wire, no influence on the quality of the rubber tube, improvement of the performance of the rubber tube, and simple and convenient operation.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

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

Fig. 2 is a front view of fig. 1.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a right-side schematic view of fig. 2.

Fig. 5 is a schematic cross-sectional view at a-a of fig. 2.

Fig. 6 is a schematic sectional view at B-B of fig. 3.

FIG. 7 is a schematic view of the core passage structure of the present invention.

Fig. 8 is a schematic cross-sectional view at C-C of fig. 7.

Fig. 9 is a schematic structural view of the connection between the cutter and the cutter shaft according to the present invention.

Fig. 10 is a front view of fig. 9.

Fig. 11 is a top view of fig. 10.

Fig. 12 is a side view of fig. 10.

Fig. 13 is a schematic cross-sectional view taken at D-D of fig. 10.

Fig. 14 is a schematic cross-sectional view at E-E of fig. 12.

Fig. 15 is a schematic structural view of a knife shaft of the present invention.

Fig. 16 is a schematic structural view of the connecting rod of the present invention.

Fig. 17 is a front view of fig. 16.

Fig. 18 is a schematic view of a cutting head according to the present invention.

Fig. 19 is a use state diagram of the present invention.

Fig. 20 is an enlarged schematic view at F of fig. 19.

FIG. 21 is a view showing a state where a rubber layer and a steel wire layer are adhered to each other according to the present invention.

In the figure: the core channel 1, the hard core channel 11, the shaft hole 12, the cutter slot 13, the motor chamber 14, the collecting chamber 15, the collecting pipe 16, the driving mechanism 2, the cutter shaft 21, the motor 22, the bearing 23, the mounting hole 24, the cutter 3, the connecting rod 31, the cutter head 32, the locking screw 33, the limiting plate 34 and the cutter edge 35.

Detailed Description

As shown in fig. 1-21, a rear automatic grooving device for improving adhesive force of a rubber layer of a rubber hose comprises a core channel 1, a driving mechanism 2 and a cutter 3; a cutter shaft 21 of the driving mechanism 2 axially penetrates through the pipe wall of the core channel 1 to be matched with the pipe wall, a connecting rod 31 of the cutter 3 radially penetrates through the cutter shaft 21 to be connected with the cutter shaft, a cutter head 32 of the cutter 3 extends into the hard core channel 11 of the core channel 1, and a cutter edge 35 is consistent with the radial direction of the hard core channel 11; the number of the driving mechanisms 2 is one or more, the driving mechanisms are annularly and uniformly distributed along the hard core channel 11 when the number of the driving mechanisms is multiple, the plurality of motors 22 synchronously or sequentially drive the cutter shaft 21 to rotate to drive the cutter 3 to rotate, and the cutter edge 35 radially cuts and unhaires. Simple structure, through set up actuating mechanism 2 in core way 1, cutter 3 is connected with actuating mechanism 2's arbor 21, the core is said 15 one end in collection room of 1 and is connected with extrusion device's the head of extruding, actuating mechanism 2 drive cutter 3 is rotatory, when passing core way 1 through the steel wire winding layer, cutter 3 carries out the triangle-shaped notch cutting to the cladding material on steel wire layer, handle piece and dust simultaneously of cutting, steel wire layer after the cutting passes and forms the rubber layer after extruding the head, extrude the triangle-shaped notch in corresponding with the rubber of steel wire cladding material contact, form the skin after the vulcanization, improve steel wire layer and outer adhesive force, and the intensity and the mechanical properties of steel wire do not change, do not influence the quality of rubber tube, the performance of rubber tube has been improved, easy operation is convenient.

In the preferred scheme, the core channel 1 is a cylinder with a hard core channel 11 arranged along the central axial direction, a plurality of axial holes 12 axially penetrating through the cylinder are arranged outside the hard core channel 11, a plurality of knife slot holes 13 are radially arranged along the cylinder and communicated with the hard core channel 11, and the knife shaft 21 is matched with the axial holes 12. Simple structure, during the installation, the arbor 21 of actuating mechanism 2 cooperates with the shaft hole 12 of core way 1, and the plug passes hard core passageway 11, and the knife slot hole 13 is used for installing cutter 3 headspace, and during the use, the knife slot hole 13 provides cutter 3 rotation space.

Preferably, when installed, one of the slot holes 13 faces vertically downward, which is beneficial for chips during cutting to fall from the slot hole 13.

In a preferred scheme, a motor chamber 14 and a collection chamber 15 are respectively arranged at two ends of the hard core channel 11, and a collection pipe 16 is communicated with the collection chamber 15. Simple structure, during the installation, the collection chamber 15 that is located hard core passageway 11 one side is connected with extrusion device's extrusion head, and the mouth of pipe of collecting pipe 16 is down, is favorable to the cutting piece to drop.

Preferably, when the collecting pipe 16 is used, the collecting pipe is connected with a dust collector, the dust and the scraps in the collecting chamber 15 are further cleaned by the dust collector, the cut steel wire layer keeps a clean state and enters an extrusion head of the extrusion equipment, wall impurities are mixed into the rubber layer, and the adhesive force between the rubber layer and the steel wire layer is improved.

In a preferred scheme, the driving mechanism 2 includes a motor 22 connected to the cutter shaft 21, and bearings 23 located at two ends of the cutter shaft 21 and engaged with each other, and a through mounting hole 24 is formed in the middle of the cutter shaft 21. Simple structure, during the installation, the shaft coupling of motor 22 output is connected with arbor 21 keyway one end cooperation, and motor 22 is located the motor chamber 14 of 1 one end of core way, and motor chamber 14 plays the guard action to motor 22.

Preferably, when the steel wire layer is the winding of stranded wire, increase the quantity of actuating mechanism 2 correspondingly, increase the quantity of cutter 3 simultaneously, when a plurality of motors 22 were worked simultaneously, a plurality of tool bits 32 were every around the arbor 21 rotatory a week the steel wire of different strands of cutting respectively for every tool bit 32 corresponds one of them strand of steel wire and cuts, and is efficient, is applicable to the high-speed winding of stranded steel wire.

In a preferred scheme, the mounting hole 24 includes a key slot located on the knife shaft 21, a long waist hole located in the center of the key slot and penetrating through the knife shaft 21, and a round hole communicated with the long waist hole, and the diameter of the round hole is greater than the width of the long waist hole. Simple structure, when cutter 3 installs, the round hole at 24 centers of mounting hole of arbor 21 cooperates with connecting rod 31 of cutter 3, long waist hole and the cooperation of limiting plate 34 for cutter 3 can smoothly pass mounting hole 24, and when cutter 3 locks, locking screw 33's fastening head and the contact of smooth keyway face, area of contact is big, has increased lifting surface, and bearing capacity is good, avoids the pine to take off.

In a preferred embodiment, the cutter 3 includes a cutter head 32 and a locking screw 33 respectively connected to two ends of the connecting rod 31, and a limit plate 34 connected to two sides of the connecting rod 31. Simple structure, during the installation, the tool bit 32 of connecting rod 31 one end is towards the mounting hole 24 on the arbor 21, slowly passes tool bit 32 and limiting plate 34 and rotates 90 behind the arbor 21, promotes connecting rod 31 upwards again and makes limiting plate 34 and arbor 21 cooperation, and rotatory locking screw 33 locks simultaneously, connects into a whole with cutter 3 and arbor 21, and simple to operate is swift, can change cutter 3 under the condition of not dismantling actuating mechanism 2, maintains convenient and fast.

Preferably, the cutters 3 with different lengths are replaced to adapt to rubber hoses with different pipe diameters, the longer the cutter 3 is, the smaller the diameter of the rubber hose winding steel wire layer is, and the shorter the cutter 3 is, the larger the diameter of the rubber hose winding steel wire layer is.

In a preferred scheme, the cutter head 32 is of a rhombic structure, a cutter edge 35 of an inverted V-shaped structure is arranged at a cutter point at the lower end, and the cutter edges are positioned on the inner side and the outer side of the cutter edge 35; the limiting plate 34 is a flat plate with an upward arc-shaped opening, the arc surface is matched with the outer wall of the cutter shaft 21, and the cutting edge on the outer side of the knife edge 35 is consistent with the radial direction of the cutter shaft 21. Simple structure, during the installation, the arc mouth on the limiting plate 34 completely cooperates with the outer wall of arbor 21, and restriction connecting rod 31 is around arbor 21 radial rotation, makes the blade of edge 35 outside all the time radially towards the steel wire layer.

Preferably, the knife edge 35 of the knife head 32 is provided with an inverted V-shaped knife edge 35, the outer side cutting edge of the knife edge 35 forms a triangular notch after cutting the steel wire surface coating, after the knife edge 35 continuously rotates, the cutting edges on the two sides of the knife edge 35 closely pass along the edge of the cut triangular notch, reserved burrs are removed, impurities are prevented from being mixed with rubber, the rubber can be squeezed into the triangular notch, and the adhesive force is improved.

In a preferred scheme, the grooving method of the rear automatic grooving device for improving the adhesive force of the rubber layer of the rubber hose comprises the following steps:

s1, mounting, connecting the collecting chamber 15 at one end of the core channel 1 with one end of the extrusion head of the extrusion equipment, wherein the core channel 1 and the horizontal pipe of the extrusion head have the same axis;

s2, threading, wherein one end of the core rod sleeved with the inner pipe sequentially penetrates through the hard core channel 11 and the horizontal pipe of the extrusion head, and the end of the core rod penetrating through the horizontal pipe is connected with a core rod traction device; at this time, the inner tube sleeved on the core rod does not pass through the hard core channel 11;

s3, winding, namely winding one or more steel wires on the inner pipe by using a steel wire winding machine, and winding from the traction end of the core rod to the other end of the core rod during winding; the winding angle of the steel wire is 55 degrees and 44'; in the process, the mandrel traction equipment pulls the mandrel to move linearly and is matched with a steel wire winding machine to wind steel wires;

s4, grooving, wherein when a steel wire is gradually wound on the inner pipe and enters the hard core channel 11, the motor 22 is started, the cutter shaft 21 rotates to drive the cutter head 32 to rotate, the cutting edge on the outer side of the cutter head 32 is rapidly contacted with the steel wire, and the coating on the surface of the steel wire is cut, but the steel wire body is not cut; the notch cut on the surface of the plating layer is a triangular notch;

in S4, the cutting edge on the outer side of the tool tip 32 continues to rotate after cutting the plating layer, and when the cutting edge 35 passes through the cut triangular notch, the cutting edge on the inner side of the cutting edge 35 contacts the triangular notch to remove the burrs on the cutting edge;

in S4, when the number of the driving mechanisms 2 is one, the cutter head 32 cuts a coil of wire every time it rotates around the cutter shaft 21;

in S4, when the number of the drive mechanisms 2 is plural, the plural cutter heads 32 cut different strands of steel wires each time they rotate around the cutter shaft 21; under the condition, the rubber tube is suitable for a rubber tube with a structure of winding steel wires at high speed by multiple strands. The method is simple and convenient to operate, the coating of the steel wire layer is cut on line, the steel wire body is not damaged, and the strength and the mechanical property of the steel wire are not changed.

In a preferred scheme, the cutter mounting method of the rear automatic grooving device for improving the adhesive force of the rubber layer of the rubber tube comprises the following steps:

s1, installing a cutter shaft, inserting one end of the cutter shaft 21 into the shaft hole 12 of the core track 1 from one end to be matched with the cutter shaft, positioning one end of the cutter shaft 21 with a key groove in the motor chamber 14, respectively matching two bearings 23 with shaft necks at two ends of the cutter shaft 21, and matching the bearings 23 with bearing holes at two ends of the shaft hole 12;

s2, installing a motor, connecting a connector at the output end of the motor 22 with one end of the cutter shaft 21, positioning the motor 22 in the motor chamber 14, and connecting and fixing a fastener with the core channel 1 through a motor outer cover;

s3, mounting a cutter, and poking the cutter shaft 21 to rotate so that the mounting hole 24 on the cutter shaft 21 faces the cutter groove hole 13 on the core path 1; slowly inserting the tool bit 32 at the front end of the connecting rod 31 into the mounting hole 24 towards the tool slot hole 13, selecting 90 degrees for the connecting rod 31 after the tool bit 32 and the limiting plate 34 completely pass through the cutter shaft 21, lifting the connecting rod 31 upwards to enable the limiting plate 34 to be matched with the cutter shaft 21 for limiting, and rotating the locking screw 33 for locking;

and S4, repeating S1-S3, and finishing the installation of the rest driving mechanisms 2 and the tools 3. The method is simple and convenient to operate, the cutter 3 can be quickly replaced and installed under the condition that the driving mechanism 2 and the core channel 1 are detached, the cutters 3 with different lengths can be replaced according to different rubber tube diameters, the adaptability is good, and the maintenance is convenient and fast.

In a preferred scheme, the method for adhering the rubber layer of the post-positioned automatic grooving device for improving the adhesive force of the rubber layer of the rubber tube comprises the following steps:

s1, cutting the steel wire coating, wherein when the steel wire layer wound on the hard core inner tube enters the hard core channel 11, the driving mechanism 2 starts to drive the cutter 3 to rotate to cut the steel wire coating on the surface of the steel wire layer to form a triangular open slot;

s2, removing dust, wherein part of the scraps after cutting the steel wire layer fall from the knife slot hole 13 of the core channel 1, and the rest scraps and dust falling in the collection chamber 15 are sucked away by a dust collector connected with the collection pipe 16;

s3, extruding the outer layer, wherein when the steel wire layer after dust removal passes through an extrusion head of extrusion equipment, the extruded rubber is attached to the outside of the steel wire layer to form the outer layer; at this time, the rubber in contact with the steel wire layer is correspondingly extruded into the triangular opening groove cut by the steel wire coating. The method is simple and convenient to operate, the notch of the steel wire layer is cut on line, scraps are cleaned at the same time, the adhesive force between the steel wire layer and the outer layer is improved, the strength and the mechanical property of the steel wire are not influenced, the quality and the performance of the rubber tube are correspondingly improved, and the production efficiency is high.

The rear automatic grooving device for improving the adhesive force of the rubber layer of the rubber tube is characterized in that when the rear automatic grooving device is installed and used, the driving mechanism 2 is arranged in the core channel 1, the cutter 3 is connected with the cutter shaft 21 of the driving mechanism 2, one end of the collecting chamber 15 of the core channel 1 is connected with the extrusion head of the extrusion equipment, the driving mechanism 2 drives the cutter 3 to rotate, when the steel wire winding layer penetrates through the core channel 1, the cutter 3 performs triangular notch cutting on the coating of the steel wire layer, scraps and dust are processed during cutting, the cut steel wire layer penetrates through the extrusion head to form a rubber layer, rubber in contact with the steel wire coating is correspondingly extruded into the triangular notch, an outer layer is formed after vulcanization, the adhesive force of the steel wire layer and the outer layer is improved, the strength and the mechanical property of the steel wire are not changed, the quality of the rubber tube is not influenced, the performance of the rubber tube is improved, and the operation is simple and convenient.

When the core rod is installed, the cutter shaft 21 of the driving mechanism 2 is matched with the shaft hole 12 of the core channel 1, the core rod passes through the hard core channel 11, the cutter groove hole 13 is used for installing a reserved space of the cutter 3, and when the core rod is used, the cutter groove hole 13 provides a rotating space for the cutter 3.

When the device is installed, the collecting chamber 15 at one side of the hard core channel 11 is connected with the extrusion head of the extrusion device, and the nozzle of the collecting pipe 16 faces downwards, so that cutting scraps can fall off conveniently.

During installation, a coupler at the output end of the motor 22 is matched and connected with one end of a key groove of the cutter shaft 21, the motor 22 is positioned in the motor chamber 14 at one end of the core channel 1, and the motor chamber 14 plays a role in protecting the motor 22.

When cutter 3 installs, the round hole at 24 centers of mounting hole of arbor 21 cooperates with connecting rod 31 of cutter 3, long waist hole and the cooperation of limiting plate 34 for cutter 3 can smoothly pass mounting hole 24, and when cutter 3 locks, locking screw 33's fastening head and the contact of smooth keyway face, area of contact is big, has increased lifting surface, and bearing capacity is good, avoids the pine to take off.

During the installation, the tool bit 32 of connecting rod 31 one end is towards the mounting hole 24 on the arbor 21, slowly passes tool bit 32 and limiting plate 34 and rotates 90 behind the arbor 21, again upwards promotes connecting rod 31 and makes limiting plate 34 and arbor 21 cooperation, and rotatory locking screw 33 locks simultaneously, connects into a whole with cutter 3 and arbor 21, and simple to operate is swift, can change cutter 3 under the condition of not dismantling actuating mechanism 2, maintains convenient and fast.

When the cutter is installed, the arc-shaped opening on the limiting plate 34 is completely matched with the outer wall of the cutter shaft 21, so that the connecting rod 31 is limited to rotate around the cutter shaft 21 in the radial direction, and the cutting edge on the outer side of the cutter edge 35 always faces the steel wire layer in the radial direction.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.