CN112297118B

CN112297118B - Rod penetrating machine for round foam sponge and rotary cutting production line for rod penetrating of round foam sponge

Info

Publication number: CN112297118B
Application number: CN202011239511.0A
Authority: CN
Inventors: 纪家论
Original assignee: Qingdao Honglitai Sponge Co ltd
Current assignee: Qingdao Honglitai Sponge Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2024-06-25
Anticipated expiration: 2040-11-09
Also published as: CN112297118A

Abstract

A rod penetrating machine for round foam sponge relates to the technical field of sponge processing machinery and comprises a first base, a drilling rod, a central shaft, a feeding hopper, a linear slide rail, a first screw rod, a first nut sleeve, a first support rod, a support frame, a first sliding sleeve, a hollow knife, a drilling rod driving mechanism and a first screw rod driving mechanism; the round foam sponge rod penetrating rotary-cut production line comprises a round foam sponge rod penetrating machine, a manipulator transferring mechanism and a rotary cutter, wherein the manipulator transferring mechanism transfers round foam sponge bodies penetrating through a central shaft to a rotary cutting station of the rotary cutter. The invention provides a round foam sponge rod penetrating machine and a round foam sponge rod penetrating rotary-cut production line, which realize the integrated and mechanical processing of the round foam sponge body by the rod penetrating machine and realize the flow production of the round foam sponge body by the rod penetrating machine.

Description

Rod penetrating machine for round foam sponge and rotary cutting production line for rod penetrating of round foam sponge

Technical Field

The invention relates to the technical field of sponge processing machinery, in particular to a round foam sponge rod penetrating machine and a round foam sponge rod penetrating rotary-cut production line.

Background

The sponge is a porous material, has good water absorbability, soft quality and heat insulation performance, and is widely applied, in the process of sponge production, the sponge is mainly foamed to form a columnar round foam sponge body in a foaming mode, in the subsequent processing, the round foam sponge body is required to be perforated, the round foam sponge body is subjected to rotary cutting, the purpose of perforation is to insert a central shaft into the round foam sponge body so as to facilitate rotary cutting on a rotary cutter, and the purpose of rotary cutting is to obtain a sheet sponge with a specified thickness.

After the existing round foam sponge body is perforated, a central shaft of the round foam sponge body needs to be inserted into the hole by manual operation, the operation is very troublesome due to the fact that the central shaft is heavy, and after the round foam sponge body is perforated, the position of the round foam sponge body is easily out of specification, so that the next rotary cutting operation is affected. In order to reduce the labor amount, patent literature discloses a mode of pulling a central shaft through a steel wire rope to replace manual insertion, however, the steel wire rope is difficult to position in the process of pulling the central shaft, and the connection and the disassembly of the steel wire rope and the central shaft are troublesome, so that the steel wire rope has no practicability.

In addition, in the existing sponge processing machinery, the working procedures of perforating, inserting a central shaft, rotary cutting and the like of the round foam sponge body are realized by combining different devices with manual operation, the whole process cannot realize continuous production, the labor capacity of workers is large, the production efficiency is low, and the quality of the produced sheet sponge is poor.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a round foam sponge rod penetrating machine and a round foam sponge rod penetrating rotary-cut production line, the rod penetrating machine is used for realizing the integrated and mechanical processing of the round foam sponge body in the process of drilling, rod penetrating and rotary-cut streamline operation of the round foam sponge body.

In order to achieve the above purpose, the technical scheme of the invention is as follows:

a rod penetrating machine for round foam sponge comprises a first base, a drilling rod, a central shaft, a feeding hopper, a linear sliding rail, a first lead screw, a first nut sleeve, a first supporting rod, a supporting frame, a first sliding sleeve, a hollow knife, a drilling rod driving mechanism and a first lead screw driving mechanism;

The front side and the rear side of the upper surface of the first base are respectively provided with a linear slide rail, a first screw rod is arranged between the two linear slide rails, a first bearing seat and a second bearing seat are respectively arranged on the left side and the right side of the upper surface of the first base, two ends of the first screw rod are respectively connected with the first base in a rotating way through bearings arranged in the first bearing seat and the second bearing seat, the end part of the first screw rod positioned on the left side of the first bearing seat is in transmission connection with a first screw rod driving mechanism, and a first nut sleeve is sleeved on the periphery of the first screw rod and forms a screw rod guide rail structure with the first screw rod;

The drilling rod driving mechanism is arranged on the left side of the first base through the supporting frame, the drilling rod is arranged in the horizontal direction, the left end of the drilling rod is in transmission connection with the drilling rod driving mechanism, the right end of the drilling rod is detachably connected with the left end of the central shaft, the central shaft is of a hollow cylindrical structure, the right end of the central shaft is detachably connected with a hollow knife, a hollow hole of the hollow knife is communicated with the inside of the central shaft, and the first sliding sleeve is fixedly connected to the top end of the first supporting rod and is sleeved on the outer wall surface of the central shaft in a sliding manner;

The vertical cross section of hopper be the V-arrangement, be connected with square frame in the bottom of hopper, square frame lower terminal surface front and back side be equipped with respectively with two linear slide rail sliding connection's spout, the bottom of first bracing piece be connected with square frame's front end, square frame's below is located to first lead screw, first nut cover and square frame fixed connection.

Preferably, the drilling rod driving mechanism comprises a second supporting rod which is arranged along the vertical direction and the bottom end of which is fixedly connected with the upper surface of the first base, and a reinforcing rod which is connected between the second supporting rod and the upper surface of the first base, wherein the top of the second supporting rod is fixedly connected with a fixed block, the front end surface of the fixed block is also connected with a first motor and a second sliding sleeve through a connecting piece, one end of the drilling rod, which faces the drilling rod driving mechanism, passes through the second sliding sleeve, and is connected with a driven belt pulley A at the end part, the output shaft of the first motor is connected with a driving belt pulley A, the driving belt pulley A is in transmission connection with the driven belt pulley A, and a bearing is embedded in the second sliding sleeve and is in rotary connection with the drilling rod through the bearing;

The first screw driving mechanism comprises a second motor arranged on the upper surface of the first base, an output shaft of the second motor is connected with a driving belt wheel B, the end part of the first screw is connected with a driven belt wheel B, and the driving belt wheel B is in transmission connection with the driven belt wheel B.

Preferably, the drilling rod sequentially comprises a polished rod section and a spline section from left to right, the inner edge of the left end cylinder wall of the central shaft is also provided with a spline groove, and the spline groove is matched with the spline section for use; external threads are arranged at two ends of the outer wall surface of the central shaft, the hollow knife is in threaded connection with the external threads at the right end of the central shaft, and the outer diameter of the hollow knife is smaller than that of the central shaft;

The middle part of the left end of the square frame is also integrally formed with a supporting plate, the middle part of the upper surface of the supporting plate is also provided with a first linear chute, the first linear chute is arranged along the left-right direction, the bottom end of the first supporting rod is in sliding connection with the first linear chute through a first sliding block, the upper surface of the supporting plate on the right side of the first linear chute is also provided with a first electric cylinder, the fixed end of the first electric cylinder is fixedly connected with the supporting plate, and the telescopic end is fixedly connected with the outer wall surface of the first supporting rod;

the top end of the first nut sleeve is fixedly connected with the lower surface of the supporting plate;

The feeding hopper is formed by hinging 2 steel plates through a hinging shaft, second electric cylinders are respectively arranged on the outer sides of the steel plates, two ends of each second electric cylinder are respectively hinged with the outer surfaces of the steel plates and the top of the square frame, and two ends of the hinging shaft are respectively fixedly connected with the end parts of the square frame.

Preferably, the device further comprises a height adjusting mechanism, wherein the height adjusting mechanism comprises a left adjusting mechanism and a right adjusting mechanism, the left adjusting mechanism comprises a linear guide rail longitudinally arranged on the front end face of the fixed block, a sliding block is connected to the linear guide rail in a sliding manner, the front end face of the sliding block is fixedly connected with a first motor and a second sliding sleeve through connecting pieces respectively, a cover plate is further fixedly arranged at the top end of the fixed block, the lower surface of the front end of the cover plate is opposite to the upper end face of the sliding block, a threaded hole is formed in the opposite position, an adjusting screw is connected in the threaded hole in a threaded manner, and the bottom end of the adjusting screw is rotationally connected with the sliding block; the right adjusting mechanism comprises a telescopic rod structure forming a first supporting rod, the telescopic rod structure comprises a female rod arranged below and a sub rod sleeved in the female rod, the top end of the sub rod is fixedly connected with the first sliding sleeve, and the female rod and the sub rod are mutually fixed through positioning bolts.

Preferably, the front side and the rear side of the right end face of the first sliding sleeve are symmetrically provided with through grooves, the through grooves are embedded with first electric pushing rods, the end parts of piston rods of the first electric pushing rods are fixedly connected with clamping blocks, the outer diameter of the central shaft is larger than that of the drilling rod, and the clamping blocks are matched with the left end of the central shaft.

Preferably, the automatic control unit comprises a controller and a control panel, wherein the controller is used for respectively controlling the first motor, the second motor, the first electric cylinder, the second electric cylinder and the first electric push rod, and the first motor and the second motor are servo motors.

The round foam sponge rod penetrating rotary-cut production line comprises a round foam sponge rod penetrating machine, a manipulator transferring mechanism and a rotary cutter, wherein the manipulator transferring mechanism transfers round foam sponge bodies penetrating through a central shaft to a rotary cutting station of the rotary cutter.

Preferably, the manipulator transfer mechanism comprises a support, a third motor and a mechanical arm connected with an output shaft of the third motor, wherein the third motor is arranged at the top of the support, the support is arranged between the round foam sponge rod penetrating machine and the rotary cutter, the mechanical arm is matched with two ends of a central shaft for use, the third motor is a servo motor, and the controller controls the third motor.

Preferably, the manipulator operating mechanism comprises 2 third motors, the 2 third motors respectively grasp the front end and the rear end of the central shaft through the mechanical arm, the mechanical arm comprises a third electric cylinder and a mechanical claw, the fixed end of the third electric cylinder is fixedly connected with the output shaft of the third motor, the telescopic end of the third electric cylinder is fixedly connected with the mechanical claw, and the controller controls the third electric cylinder and the mechanical claw to act.

Preferably, the rotary cutter comprises a second base, a supporting block fixedly arranged on the front and rear sides of the right end of the upper surface of the second base, and a supporting column fixedly arranged on the front and rear sides of the left end of the upper surface of the second base, wherein the height of the supporting block is lower than that of the supporting column, a second screw rod and a second linear chute are connected between the upper part of the supporting column and the upper part of the supporting block, and the second linear chute is positioned below the second screw rod, and the axes of the second screw rod and the supporting column are parallel to each other; the second screw rod is in threaded connection with a second nut sleeve, the inner side end of the second nut sleeve is fixedly connected with a central shaft rotation fixing mechanism, and the lower end of the central shaft rotation fixing mechanism is fixedly connected with a second sliding block arranged on a second linear sliding groove;

The upper surface of the second base between the 2 second lead screws is also provided with positioning rods, each positioning rod comprises a second electric push rod and an arc-shaped bracket, the fixed end of each second electric push rod is fixedly connected with the upper surface of the second base, the telescopic ends are fixedly connected with the bottoms of the arc-shaped brackets, 2 positioning rods are arranged on the upper surface of the second base along the direction parallel to the connecting line of the 2 support columns, the arc-shaped brackets are matched with a central shaft for use, the controller controls the second electric push rods to lift, and the central shaft rotation fixing mechanism is matched with the positioning rods;

The 2 second lead screws are synchronously driven by a second lead screw driving mechanism, the lower parts between the supporting blocks are also rotationally connected with guide rollers, the guide rollers are driven by the guide roller driving mechanism, and a knife belt for rotary cutting sponge is further arranged on one side of the guide rollers.

Preferably, the second screw driving mechanism comprises a fourth motor arranged on the front end surface of the supporting block, the end parts of 2 second screws rotatably penetrate through the supporting block, one end part of one second screw is in transmission connection with the output shaft of the fourth motor, a driving belt pulley C is arranged on the output shaft of the fourth motor, a driven belt pulley C is arranged on the end part of the other second screw, and the driving belt pulley C is in transmission connection with the driven belt pulley C;

The guide roller driving mechanism comprises a fifth motor arranged on the upper surface of the second base, the end part of an output shaft of the fifth motor is connected with a driving belt wheel D, one end of a roller shaft of the guide roller rotatably penetrates through the outer end surface of the supporting block, the end part of the roller shaft of the guide roller is connected with a driven belt wheel D, and the driving belt wheel D is in transmission connection with the driven belt wheel D;

The cutter belt is provided with a moving mechanism, the moving mechanism comprises a fourth electric cylinder arranged below the end part of the cutter belt, a third linear chute arranged on the upper surface of the second base along the left-right direction and a fifth electric cylinder arranged on one side of the fourth electric cylinder, the bottom of a fixed end of the fourth electric cylinder is fixedly connected with the top end of a third sliding block arranged on the third linear chute, the top of a telescopic end of the fourth electric cylinder is fixedly connected with the bottom of a cutter belt box sleeved with the cutter belt, the fixed end of the fifth electric cylinder is fixedly connected with the rear end surface of a supporting block, and the telescopic end of the fifth electric cylinder is fixedly connected with the outer wall surface of the fixed end of the fourth electric cylinder;

The fourth motor and the fifth motor are servo motors; the controller controls the actions of the fourth motor, the fifth motor, the fourth electric cylinder, the fifth electric cylinder and the cutter belt.

Preferably, the central shaft rotating and fixing mechanism comprises a shell with an open inner side end, a sixth motor, a third electric push rod, a radial bearing and an internal thread sleeve, wherein the sixth motor, the third electric push rod and the radial bearing are arranged in the shell;

the telescopic end of the third electric push rod is also connected with a first positioning plate, the inner side end of the first positioning plate is also provided with a spring pin, the rear end of the sixth motor is also provided with a second positioning plate, and the outer end surface of the second positioning plate is provided with a slot matched with the spring pin;

An electromagnet is further arranged on the inner end surface of the first positioning plate, the second positioning plate is made of iron materials, and the electromagnet is matched with the second positioning plate for use;

The internal thread sleeve is matched with the external threads, and the internal thread sleeve of the 2 central shaft rotation fixing mechanisms respectively fix the central shaft with the external threads at the two ends of the central shaft in opposite rotation directions and release the central shaft from the opposite rotation directions;

the controller controls the sixth motor, the third electric push rod and the electromagnet to act.

The round foam sponge rod penetrating machine and the round foam sponge rod penetrating rotary-cut production line have the following beneficial effects: the invention can realize the drilling rod penetrating and rotary cutting assembly line operation of the round foam sponge body, wherein the drilling and rod penetrating are integrally completed, the whole set of production line greatly improves the processing efficiency of the round foam sponge body, and reduces the labor capacity of workers.

Drawings

Fig. 1: the round foam sponge rod penetrating machine is a front view when a hole is to be perforated;

fig. 2: the front view of the round foam sponge rod penetrating machine is at the end of perforation;

fig. 3: the round foam sponge rod penetrating machine is a front view of pushing out the round foam sponge after rod penetrating is finished;

fig. 4: according to the round foam sponge rod penetrating machine, the first sliding sleeve after rod penetrating is separated from the central shaft in a front view;

fig. 5: the front view of the round foam sponge rod penetrating machine is formed after the linear slide rail and the slide groove are removed;

Fig. 6: an enlarged view of the partial structure at the point A of the present invention;

fig. 7: a top view of the hopper of the present invention;

fig. 8: the right side view of the round foam sponge rod penetrating machine is provided with a rod penetrating device;

fig. 9: the left side view of the round foam sponge rod penetrating machine is provided with a rod penetrating device;

fig. 10: the front view of the rotary cutting production line for the round foam sponge penetrating rod is provided;

fig. 11: the top view of the rotary cutting production line for the round foam sponge penetrating rod is provided;

fig. 12: left side view of the rotary cutting machine of the present invention;

fig. 13: left side view of the first sliding sleeve of the present invention;

Fig. 14: the coordination relation between the central shaft rotation fixing mechanism and the central shaft is schematically shown;

fig. 15: a partial enlarged view at invention E;

Fig. 16: a partial enlarged view at invention F;

Fig. 17: the optional mechanical claw structure of the invention is schematically shown;

1: first base, 2: hopper, 3: drilling rod, 301: polished rod segment, 302: spline section, 4: center axis, 401: left end of center shaft, 402: right end of center shaft, 403: external threads, 404: gripping part, 5: first sliding sleeve, 501: slide hole, 6: first motor, 7: second sliding sleeve, 8: second motor, 9: driving pulleys a,10: driven pulleys a,11: driving pulleys B,12: driven pulleys B,13: reinforcing bars, 14: second support bar, 15: first bearing block, 16: first lead screw, 17: second bearing block, 18: handle, 19: adjusting screw, 20: cover plate, 21: second electric cylinder, 22: round foam sponge, 23: female pole, 24: sub-pole, 25: hollow knife, 26: through slot, 27: positioning bolt, 28: square frame, 29: chute, 30: linear slide rail, 31: first nut sleeve, 32: first electric cylinder, 33: support plate, 34: first straight chute, 35: first slider, 36: hinge shaft, 37: fixed block, 38: linear guide, 39: sliding block, 40: support, 41: third motor, 42: third electric cylinder, 43: gripper, 44: support column, 45: support block, 46: second lead screw, 47: second linear chute, 48: second nut sleeve, 49: arc bracket, 50: second slider, 51: second electric putter, 52: second base, 53: driven pulleys C,54: driven pulleys D,55: driving pulleys D,56: fifth electric cylinder, 57: fourth electric cylinder, 58: knife band, 59: third linear chute, 60: third slider, 61: fifth motor, 62: guide roller, 63: fourth motor, 64: driving pulley C,65: center pin rotation fixing mechanism 651: housing, 652: third electric putter, 6521: first locating plate, 6522: groove, 6523: spring, 6524: slide pin, 6525: limit ring 653: sixth motor 6531: second positioning plate 6532: slot, 654: radial bearing, 655: internally threaded sleeve 656: fourth straight line spout, 657: fourth slider, 66: first electric putter, 67: fixture block, 68: rotational directions a,69: rotational direction B,801: arm bar, 802: mounting holes, 803: built-in electric putter, 804: bevel, 805: return spring, 806: slot, 807: manipulator, 808: an elastic anti-skid block.

Detailed Description

The following detailed description of the embodiments of the present invention in a stepwise manner is provided merely as a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present invention should be included in the scope of the present invention.

In the description of the present invention, it should be noted that, the positional or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, and specific orientation configuration and operation, and thus should not be construed as limiting the present invention.

Example 1,

As shown in fig. 1 to 9:

A rod penetrating machine for round foam sponge comprises a first base 1, a drilling rod 3, a central shaft 4, a feeding hopper 2, a linear sliding rail 30, a first lead screw 16, a first nut sleeve 31, a first supporting rod, a supporting frame, a first sliding sleeve 5, a hollow knife 25, a drilling rod driving mechanism and a first lead screw driving mechanism;

the front side and the rear side of the upper surface of the first base 1 are respectively provided with a linear slide rail 30, a first screw rod 16 is arranged between the two linear slide rails 30, the left side and the right side of the upper surface of the first base 1 are respectively provided with a first bearing seat 15 and a second bearing seat 17, two ends of the first screw rod 16 are respectively in rotary connection with the first base 1 through bearings arranged in the first bearing seat 15 and the second bearing seat 17, the end part of the first screw rod 16 positioned at the left side of the first bearing seat is in transmission connection with a first screw rod driving mechanism, and a first nut sleeve 31 is sleeved on the periphery of the first screw rod 16 and forms a screw rod guide rail structure with the first screw rod 16;

The drilling rod driving mechanism is arranged on the left side of the first base 1 through a supporting frame, the drilling rod 3 is arranged in the horizontal direction, the left end of the drilling rod is in transmission connection with the drilling rod driving mechanism, the right end of the drilling rod is detachably connected with the left end of the central shaft 4, the central shaft 4 is of a hollow cylindrical structure, the right end of the central shaft 4 is detachably connected with a hollow cutter 25, a hollow hole of the hollow cutter is communicated with the inside of the central shaft 4, and the first sliding sleeve 5 is fixedly connected to the top end of the first supporting rod and is in sliding sleeve connection with the outer wall surface of the central shaft 4;

The vertical section of hopper 2 be the V-arrangement, be connected with square frame 28 in the bottom of hopper, square frame 28 lower terminal surface front and back side be equipped with respectively with two linear slide rail sliding connection's spout 29, the bottom of first bracing piece be connected with square frame 28's front end, first lead screw locate square frame's below, first nut cover 31 and square frame fixed connection.

The embodiment discloses a basic structure of a round foam sponge rod penetrating machine, wherein a hollow cutter is a cutter commonly used for sponge drilling, a cutter handle and a cutter body are wound into a cylinder, and the inner cavity of the cylinder is communicated with the inner cavity of a central shaft, so that when drilling is carried out, the drilled sponge enters the inner cavity of the central shaft along the inner cavity of the hollow cutter, after the drilling is finished, the drilled sponge stays in the hollow shaft, and is taken out before the next round of working procedures;

Because the sponge has the characteristic of easy breakage, the drilling of the round foam sponge body 22 cannot adopt a solid cutter and a solid shaft like wood drilling, and a hollow cutter and a hollow central shaft are adopted to ensure the structural integrity of the drilling, wherein the central shaft can be a metal product or an expanded open-loop groove in the middle of the inner cavity of a metal pipe, and a rubber pipe is embedded in the annular groove to enable the annular groove to be integrally formed with a metal part, so that the weight of the hollow shaft is ensured, the thickness of pipe walls at two ends of the central shaft can be ensured to be thicker, and the spline groove in the embodiment is beneficial to being arranged;

The hopper 2 is used for preventing the round foam sponge 22 to be perforated, as shown in fig. 5, the central axis of the round foam sponge 22 is coaxial with the central axis 4, so that the accuracy of perforation position can be ensured; in use, the feed hopper is controlled to move left and right through the lead screw guide rail structure, and meanwhile, the drilling rod 3 is driven by the drilling rod driving mechanism to drive the central shaft 4 and the hollow knife 25 to rotate, so that the drilling and the shaft penetrating are completed in the same step; after completion, the central shaft 4 is simply removed from the drill rod 3.

EXAMPLE 2,

On the basis of the embodiment 1, the embodiment is further improved, specifically:

As shown in fig. 1 to 9:

Referring to fig. 5 and 8 specifically, the driving mechanism for a drilling rod includes a second supporting rod 14 disposed along a vertical direction and having a bottom end fixedly connected with an upper surface of the first base 1, and a reinforcing rod 13 connected between the second supporting rod 14 and the upper surface of the first base 1, a fixing block 37 is fixedly connected to a top of the second supporting rod 14, a first motor 6 and a second sliding sleeve 7 are further connected to a front end surface of the fixing block 37 through a connecting piece, one end of the drilling rod 3 facing the driving mechanism for a drilling rod passes through the second sliding sleeve 7, and a driven pulley a10 is connected to an end of the drilling rod, an output shaft of the first motor 6 is connected with a driving pulley A9, the driving pulley A9 is in transmission connection with the driven pulley a10, and a bearing is embedded in the second sliding sleeve 7 and is in rotational connection with the drilling rod 3 through the bearing;

The first screw driving mechanism comprises a second motor 8 arranged on the upper surface of the first base 1, an output shaft of the second motor 8 is connected with a driving belt wheel B11, the end part of the first screw 16 is connected with a driven belt wheel B12, and the driving belt wheel B11 is in transmission connection with the driven belt wheel B12;

As shown in fig. 3, the drilling rod 3 sequentially includes a polish rod section 301 and a spline section 302 from left to right, and a spline groove (not shown) is further provided at the inner edge of the left end cylinder wall of the central shaft 4, and the spline groove is matched with the spline section 302 for use; external threads 403 are arranged at two ends of the outer wall surface of the central shaft, the hollow cutter 25 is in threaded connection with the external threads 403 at the right end of the central shaft 4, and the outer diameter of the hollow cutter 25 is smaller than the outer diameter of the central shaft 4;

As shown in fig. 6, a supporting plate 33 is integrally formed in the middle of the left end of the square frame, a first linear chute 34 is further formed in the middle of the upper surface of the supporting plate, the first linear chute 34 is arranged in the left-right direction, the bottom end of the first supporting rod is slidably connected with the first linear chute 34 through a first sliding block 35, a first electric cylinder 32 is further arranged on the upper surface of the supporting plate 33 on the right side of the first linear chute 34, the fixed end of the first electric cylinder 32 is fixedly connected with the supporting plate 33, and the telescopic end is fixedly connected with the outer wall surface of the first supporting rod;

as shown in fig. 5, the top end of the first nut sleeve 31 is fixedly connected with the lower surface of the supporting plate 33;

Specifically as shown in fig. 7, the hopper is formed by hinging 2 steel plates through a hinging shaft 36, the outer sides of the steel plates are respectively provided with a second electric cylinder 21, two ends of the second electric cylinder 21 are respectively hinged with the outer surfaces of the steel plates and the top of the square frame, and two ends of the hinging shaft 36 are respectively fixedly connected with the end parts of the square frame.

The embodiment discloses a preferred connection mode of each driving mechanism and each part, wherein the drilling rod 3 is connected with the central shaft through a spline, the disassembly is convenient, the hollow knife is in threaded connection with the central shaft, and the hollow knife can be directly screwed down after the drilling is finished, and of course, the preferred mode is only one use mode of the embodiment and does not prevent the connection in other modes; in addition, the angle of the feeding hopper can be adjusted through the expansion and contraction of the second electric cylinder 21, so that the round foam sponge with different model sizes can be reversely conveniently drilled.

EXAMPLE 3,

On the basis of the embodiment 2, the embodiment is further improved, specifically:

As shown in fig. 1 to 9:

As shown in fig. 5 and 8, the device further comprises a height adjusting mechanism, the height adjusting mechanism comprises a left adjusting mechanism and a right adjusting mechanism, the left adjusting mechanism comprises a linear guide rail 38 longitudinally arranged on the front end face of a fixed block 37, a sliding block 39 is slidably connected to the linear guide rail 38, the front end face of the sliding block 39 is fixedly connected with a first motor 6 and a second sliding sleeve 7 through connecting pieces respectively, a cover plate 20 is fixedly arranged at the top end of the fixed block 37, the lower surface of the front end of the cover plate 20 is opposite to the upper end face of the sliding block 39, threaded holes are formed in the opposite positions, an adjusting screw 19 is screwed in the threaded holes, and the bottom end of the adjusting screw 19 is rotationally connected with the sliding block; the right adjusting mechanism comprises a telescopic rod structure forming a first supporting rod, the telescopic rod structure comprises a female rod 23 arranged below and a sub rod 24 sleeved in the female rod 23, the top end of the sub rod 24 is fixedly connected with the first sliding sleeve 5, and the female rod 23 and the sub rod 24 are mutually fixed through a positioning bolt 27.

In this embodiment, through the height adjustment mechanism, the rod penetrating machine for round foam sponge can be suitable for round foam sponge bodies 22 with various sizes, wherein the bottom end of the adjusting screw 19 is rotationally connected with the sliding block, the manner of rotationally connecting the rod penetrating machine for round foam sponge may be rotationally connected through a thrust bearing, or a round chute is arranged on the upper end face of the sliding block 39, and the adjusting screw 19 is connected through a limited sliding block in the round chute.

EXAMPLE 4,

On the basis of the embodiment 3, the embodiment is further improved, specifically:

As shown in fig. 1 to 9 and 13: the front side and the rear side of the right end face of the first sliding sleeve 5 are symmetrically provided with through grooves 26, first electric push rods 66 are embedded in the through grooves 26, piston rod end parts of the first electric push rods 66 are fixedly connected with clamping blocks 67, the outer diameter of the central shaft 4 is larger than that of the drilling rod 3, and the clamping blocks 67 are matched with the left end 401 of the central shaft.

At the end of drilling, the position of the first sliding sleeve 5 is shown in fig. 2, at this time, the first electric push rod 66 is started, the first electric push rod 66 pushes out the clamping block 67, the right side end face of the clamping block 67 is propped against the pipe wall of the left end 401 of the central shaft, so when the first screw driving mechanism drives the feeding hopper to move rightwards, the clamping block 67 can take down the central shaft from the drilling rod 3, and therefore the separation of the drilling rod 3 and the central shaft 4 is completed, in the process, the feeding hopper moves rightwards at the same time, and the displacement of the central shaft inside the round foam sponge body cannot be caused due to the fact that the speed of the feeding hopper and the feeding hopper is always the same.

EXAMPLE 5,

On the basis of the embodiment 4, the embodiment is further improved, specifically:

As shown in fig. 1 to 9 and 13, the automatic control unit further comprises an automatic control unit, the automatic control unit comprises a controller and a control panel, the controller respectively controls the first motor 6, the second motor 8, the first electric cylinder 32, the second electric cylinder 21 and the first electric push rod 66, and the first motor 6 and the second motor 8 are servo motors.

By combining the above embodiments 1 to 5, the use principle of a round foam sponge rod penetrating machine is as follows: before the round foam sponge 22 is drilled and threaded in fig. 1, the round foam sponge 22 is placed at a specified position on the hopper 2, so that the hollow knife is opposite to the axis of the round foam sponge, the rotation number of the second motor 8 is input through the control panel, namely, the left-right movement distance of the hopper 2 is limited, the rotation number of the first motor 6 is input, the drilling distance is limited, the machine is started according to set parameters, the first nut sleeve 31 drives the hopper to move leftwards, the hollow knife 25 drills, the central shaft 4 gradually penetrates into the hole, as shown in fig. 2, when the drilling is finished, the right end of the first sliding sleeve 5 is positioned at the intersection of the drilling rod 3 and the left end 401 of the central shaft, according to a preset program, the first electric push rod 66 acts, the clamping block 67 abuts against the pipe wall of the left end 401 of the central shaft, at this moment, the second motor 8 reversely rotates according to the preset program, the hopper 2 is driven to move rightwards, meanwhile, the first motor 5 is driven to push the clamping block 67, the central shaft is pushed out of the drilling rod 3, after the first nut sleeve 31 is pulled out, the hopper 2 moves to the preset position, the first sliding sleeve is pushed leftwards, the first sliding sleeve 4 is moved leftwards, as shown in fig. 3, the first sliding sleeve is pushed and the first sliding sleeve is moved leftwards, as shown in the cylinder is separated from the cylinder, as shown in fig. 32, the first sliding sleeve is conveniently, and the first sliding sleeve is moved, and the sponge is separated from the cylinder, and is moved, and then, and the sponge is separated from the left, and is moved. In order to ensure accurate position of the hopper 2, a limiting block may be disposed on the linear slide rail 30 at a preset position to limit movement of the square frame.

EXAMPLE 6,

On the basis of embodiment 5, this embodiment discloses a round bubble sponge wears pole rotary-cut production line of pole machine is worn to round bubble sponge, specifically does:

The rotary cutting production line for the round foam sponge penetrating rod comprises a round foam sponge penetrating rod machine, a manipulator transfer mechanism and a rotary cutter, wherein the manipulator transfer mechanism transfers the round foam sponge body 22 penetrating the central shaft 4 to a rotary cutting station of the rotary cutter.

The rotary shaver in this embodiment includes, but is not limited to, the rotary shaver disclosed in the following embodiment, wherein the manipulator transfer mechanism may be a transfer device for industrial applications such as various robots, mechanical arms, etc. in the prior art; because the round foam sponge 22 penetrating through the central shaft 4 is precisely positioned at a preset position, the round foam sponge can be transferred by a manipulator transfer mechanism only by swinging the rotary cutter to a corresponding position.

EXAMPLE 7,

On the basis of the embodiment 6, the embodiment is further improved, specifically:

As shown in fig. 10 and 11, the manipulator transferring mechanism is composed of a support 40, a third motor 41 and a mechanical arm connected with an output shaft of the third motor 41, the third motor 41 is arranged at the top of the support 40, the support 40 is arranged between a round foam sponge rod penetrating machine and a rotary cutter, the mechanical arm is matched with two ends of a central shaft for use, the third motor is a servo motor, and the controller controls the third motor.

As shown in fig. 4, for facilitating the gripping of the mechanical arm, gripping portions 404 may be respectively disposed on the left and right sides of the central shaft, and anti-skidding patterns may be disposed on the gripping portions 404, in this embodiment, the number of the third motors 41 may be 1 or more, and the mechanical arm is matched with the gripping portions 404.

EXAMPLE 8,

On the basis of the embodiment 7, the embodiment is further improved, specifically:

As shown in fig. 11, the manipulator operating mechanism includes 2 third motors 41,2, each of which is configured to grasp the front end and the rear end of the central shaft through a mechanical arm, the mechanical arm includes a third electric cylinder 42 and a gripper 43, a fixed end of the third electric cylinder 42 is fixedly connected with an output shaft of the third motor, a telescopic end of the third electric cylinder is fixedly connected with the gripper 43, and the controller controls the third electric cylinder 42 and the gripper 43 to operate.

In this embodiment, the third electric cylinder 42 expands and contracts to make the gripper reach the working position, the gripper grips both ends of the central shaft, the round foam sponge 22 is pulled up, the third electric cylinder 42 contracts at the same time, the output shaft of the third motor 41 rotates, when the third electric cylinder 42 rotates to one side of the rotary cutter, the third electric cylinder 42 extends, when the third electric cylinder reaches the working position, the extension is stopped, and the gripper 43 puts down the round foam sponge.

The gripper in this embodiment may be various grippers capable of implementing the function, or may be a gripper with the following structure, as shown in fig. 17, and an alternative gripper structure is as follows: the mechanical arm 807 comprises an arm 801 and a mechanical arm 807 positioned at the end part of the arm 801, wherein the mechanical arm 807 is formed by mutually kneading a left clamp body and a right clamp body, the top end of the clamp body is hinged with the lower end of the arm 801, semicircular grooves are formed in the inner side of the clamp body, clamping holes with the same outer diameter as a central shaft are formed after mutually kneading, inclined planes 804 are formed in the inner sides of the top ends of the left clamp body and the right clamp body, a mounting hole 802 penetrating through the bottom end surface of the arm 801 is further formed in the arm 801, a built-in electric push rod 803 is fixedly arranged in the mounting hole 802, the telescopic end of the built-in electric push rod 803 extends downwards, the end parts of the telescopic end are matched with the inclined planes 804, the lower parts of the inner side surfaces of the top ends of the left clamp body and the right clamp body are respectively provided with horizontal slotted holes 806, return springs 805 are further arranged in the slotted holes 806, the left ends of the return springs 805 are fixedly connected with the bottoms of the slotted holes 806 of the left clamp body, and the right ends of the return springs 805 are fixedly connected with the bottoms of the slotted holes 806 of the right clamp body; a plurality of elastic anti-skid blocks 808 are also fixedly arranged on the groove walls of the semicircular grooves on the inner side surfaces of the pliers body.

EXAMPLE 9,

On the basis of the embodiment 8, this embodiment is further improved, specifically:

As shown in fig. 10 to 12, the rotary cutting machine includes a second base 52, a supporting block 45 fixedly disposed on front and rear sides of a right end of an upper surface of the second base 52, and a supporting column 44 fixedly disposed on front and rear sides of a left end of an upper surface of the second base, wherein a height of the supporting block 45 is lower than a height of the supporting column 44, a second screw rod 46 and a second linear chute 47 are connected between an upper portion of the supporting column 44 and an upper portion of the supporting block 45, and the second linear chute 47 is disposed below the second screw rod 46 with axes parallel to each other; the second screw rod 46 is in threaded connection with a second nut sleeve 48, the inner side end of the second nut sleeve 48 is fixedly connected with a central shaft rotation fixing mechanism 65, and the lower end of the central shaft rotation fixing mechanism 65 is fixedly connected with a second sliding block 60 arranged on a second linear sliding groove;

The upper surface of the second base 52 between the 2 second lead screws 46 is also provided with positioning rods, each positioning rod comprises a second electric push rod 51 and an arc bracket 49, the fixed end of each second electric push rod 51 is fixedly connected with the upper surface of the second base, the telescopic end of each second electric push rod is fixedly connected with the bottom of each arc bracket 49, 2 positioning rods are arranged on the upper surface of the second base along the direction parallel to the connecting line of the 2 support columns 44, each arc bracket 49 is matched with a central shaft for use, the controller controls the second electric push rod 51 to lift, and the central shaft rotation fixing mechanism 65 is matched with the positioning rods;

The 2 second lead screws are synchronously driven by a second lead screw driving mechanism, the lower part between the supporting blocks 45 is also rotationally connected with a guide roller 62, the guide roller 62 is driven by the guide roller driving mechanism, and one side of the guide roller 62 is also provided with a knife belt 58 for rotary cutting sponge.

The embodiment discloses the basic structure of the rotary cutter, wherein the manipulator transfer mechanism transfers the round foam sponge 22 penetrating through the central shaft 4 to the rotary cutting station of the rotary cutter, the rotary cutting station refers to the position above the positioning rod, the arc bracket 49 moves upwards to the position before the central shaft is placed at the position, then the manipulator transfer mechanism places the central shaft on the arc bracket 49, at this time, the central shaft rotation fixing mechanism 65 at the front side and the rear side fixes the two ends of the central shaft and can ensure the rotation of the round foam sponge, at the station, the outer wall of the guide roller 62 abuts against the outer wall of the round foam sponge and can drive the round foam sponge to rotate, and when rotating, the rotary cutting is carried out through the cutter belt 58. The above procedures can be performed within a preset program of the controller without manual operation.

EXAMPLE 10,

On the basis of the embodiment 9, this embodiment is further improved, specifically:

as shown in fig. 10 to 12, the second screw driving mechanism includes a fourth motor 63,2 disposed on the front end surface of the supporting block 45, and the end of the second screw is rotatable and passes through the supporting block 45, wherein the end of one second screw is in transmission connection with the output shaft of the fourth motor 63, the output shaft of the fourth motor 63 is also provided with a driving belt pulley C64, the end of the other second screw is provided with a driven belt pulley C53, and the driving belt pulley C64 is in transmission connection with the driven belt pulley C53;

as shown in fig. 10 to 12, the guide roller driving mechanism includes a fifth motor 61 disposed on the upper surface of the second base 52, an output shaft end of the fifth motor 61 is connected with a driving pulley D55, one end of a roller shaft of the guide roller 62 rotatably penetrates through an outer end surface of the supporting block 45, and a driven pulley D54 is connected at an end, and the driving pulley D55 is in transmission connection with the driven pulley D54;

As shown in fig. 10, the knife belt 58 is provided with a moving mechanism, the moving mechanism comprises a fourth electric cylinder 57 arranged below the end part of the knife belt 58, a third linear chute 59 arranged on the upper surface of the second base along the left-right direction, and a fifth electric cylinder 56 arranged on one side of the fourth electric cylinder, the bottom of the fixed end of the fourth electric cylinder 57 is fixedly connected with the top end of a third sliding block 60 arranged on the third linear chute 59, the top of the telescopic end of the fourth electric cylinder 57 is fixedly connected with the bottom of a knife belt box sleeved with the knife belt 58, the fixed end of the fifth electric cylinder is fixedly connected with the rear end surface of the supporting block 45, and the telescopic end of the fifth electric cylinder is fixedly connected with the outer wall surface of the fixed end of the fourth electric cylinder;

the fourth motor 63 and the fifth motor 61 are servo motors; the controller controls the operations of the fourth motor 63, the fifth motor 61, the fourth electric cylinder 57, the fifth electric cylinder 56, and the blade belt 58.

In the embodiment, the cutter belt 58 is provided with a movable mechanism, and the cutter belt 58 can move up and down left and right under the control of the controller so as to control the thickness of the sea surface sheet in cooperation with rotary cutting action; the second screw drive mechanism can move the round foam sponge 22 downwards in an interval time under the control of the controller, so that the contact with the guide roller 62 is maintained, and the continuous and automatic rotary cutting process is realized.

EXAMPLE 11,

On the basis of the embodiment 10, this embodiment is further improved, specifically:

As shown in fig. 14, 15 and 16, the central shaft rotation fixing mechanism 65 includes a casing 651 with an open inner side end, a sixth motor 653, a third electric push rod 652, a radial bearing 654 and an internal threaded sleeve 655 which are disposed in the casing, the outer side end of the casing 651 is fixedly connected with the inner side end of the second nut sleeve 48, the lower end of the casing 651 is fixedly connected with the third slider 60, the fixed end of the third electric push rod 652 is fixedly connected with the bottom in the casing 651, the telescopic end is in contact with the rear end of the sixth motor 653, the sixth motor 653 is sleeved with a radial bearing 654, the outer shell of the sixth motor 653 is fixedly connected with the inner ring of the radial bearing 654, the inner wall surface of the casing 651 is provided with a fourth linear slide 656 in the axial direction of the casing, the outer surface of the radial bearing outer ring is fixedly connected with the end of the fourth slider 657 disposed in the fourth linear slide 656, and the output shaft end of the sixth motor 653 is fixedly connected with the outer side end of the internal threaded sleeve 655;

As shown in fig. 16, the telescopic end of the third electric push rod 652 is further connected with a first positioning plate 6521, a spring pin is further disposed at the inner end of the first positioning plate 6521, a second positioning plate 6531 is further disposed at the rear end of the sixth motor 653, and a slot 6532 for cooperation with the spring pin is disposed on the outer end surface of the second positioning plate 6531;

An electromagnet is further arranged on the inner end surface of the first positioning plate 6521, the second positioning plate 6531 is made of iron material, and the electromagnet is matched with the second positioning plate 6531 for use;

The threaded sleeve 655 is matched with the external threads 403, and the internal threaded sleeves 655 of the 2 central shaft rotation fixing mechanisms 65 respectively fix the central shaft with the external threads at two ends of the central shaft in opposite rotation directions, and release the central shaft from being fixed in opposite rotation directions;

The controller controls the sixth motor 653, the third electric push rod 652 and the electromagnet to act.

In this embodiment, a preferred structure of the central shaft rotation fixing mechanism 65 is disclosed, in particular, as shown in fig. 14, when the round foam sponge 22 is in a preset station, the end of the central shaft is opposite to the end of the internal thread sleeve 655, at this time, the controller starts the third electric push rod 652 to enable the internal thread sleeve 655 to be in butt joint with the end of the central shaft, then starts the sixth motor 653 to enable the internal thread sleeve 655 to be matched with the external thread 403 through rotation, in this process, if the sixth motor 653 rotates in a radial bearing, the spring pin is inserted into the slot 6532 to prevent the sixth motor 653 from rotating, so that the internal thread sleeve can be smoothly fixed with the end of the central shaft; further, after the fixing, the third electric push rod 652 contracts to release the positioning of the sixth motor 653, since the two ends of the central shaft are fixed in opposite rotation directions, as shown in fig. 14, i.e., the left side is fixed in a downward rotation manner and the right side is fixed in an upward rotation manner, the female sleeve will not be separated from the central shaft and will rotate along with the radial bearing 654 during the rotation of the round foam sponge 22 driven by the guide roller 62; when the rotary cutting is completed, the third electric push rod 652 extends and abuts against the outer side end of the sixth motor 653, the sixth motor 653 rotates reversely, the internal thread sleeve is gradually unscrewed from the external thread 403, in the process, if the sixth motor 653 rotates in the radial bearing, the spring pin is inserted into the slot 6532, the main body of the sixth motor is fixed, in the process, the electromagnet is started, the third electric push rod 652 retracts while the internal thread sleeve is gradually unscrewed, the sixth motor 653 and the internal thread sleeve are retracted to two sides of the central shaft, in the process, the arc bracket 49 rises again and supports the central shaft 4, and after the internal thread sleeve is separated, the arc bracket 49 is driven to move downwards by the shrinkage of the second electric push rod 51, and a worker takes the central shaft off the arc bracket 49 to prepare for the next round of perforating rotary cutting procedure.

Claims

1. A round bubble sponge rod penetrating machine is characterized in that: the device comprises a first base, a drilling rod, a central shaft, a feeding hopper, a linear sliding rail, a first lead screw, a first nut sleeve, a first supporting rod, a supporting frame, a first sliding sleeve, a hollow cutter, a drilling rod driving mechanism and a first lead screw driving mechanism;

the vertical section of the feeding hopper is V-shaped, a square frame is connected to the bottom of the feeding hopper, sliding grooves which are respectively connected with two linear sliding rails in a sliding mode are formed in the front side and the rear side of the lower end face of the square frame, the bottom of the first supporting rod is connected with the front end of the square frame, the first screw rod is arranged below the square frame, and the first nut sleeve is fixedly connected with the square frame;

the central shaft is a metal product or an open-loop groove with an expanded diameter in the middle of the inner cavity of the metal pipe, and the rubber pipe is embedded in the annular groove so as to be integrally formed with the metal part;

In use, the feed hopper is controlled to move left and right through the lead screw guide rail structure, and meanwhile, the drilling rod is driven by the drilling rod driving mechanism to drive the central shaft and the hollow cutter to rotate, so that the drilling and the shaft penetrating are completed in the same step; after completion, the central shaft is removed from the drill rod.

2. A round-bubble sponge rod penetrating machine as defined in claim 1, wherein: the drilling rod driving mechanism comprises a second supporting rod which is arranged in the vertical direction, the bottom end of the second supporting rod is fixedly connected with the upper surface of the first base, and a reinforcing rod which is connected between the second supporting rod and the upper surface of the first base, the top of the second supporting rod is fixedly connected with a fixed block, the front end face of the fixed block is also connected with a first motor and a second sliding sleeve through a connecting piece, one end of the drilling rod, which faces the drilling rod driving mechanism, passes through the second sliding sleeve, is connected with a driven belt pulley A at the end part, an output shaft of the first motor is connected with a driving belt pulley A, the driving belt pulley A is in transmission connection with the driven belt pulley A, and a bearing is embedded in the second sliding sleeve and is in rotary connection with the drilling rod through the bearing;

3. A round-bubble sponge rod penetrating machine as defined in claim 2, wherein: the drilling rod sequentially comprises a polished rod section and a spline section from left to right, and the inner edge of the left end cylinder wall of the central shaft is also provided with a spline groove which is matched with the spline section for use; external threads are arranged at two ends of the outer wall surface of the central shaft, the hollow knife is in threaded connection with the external threads at the right end of the central shaft, and the outer diameter of the hollow knife is smaller than that of the central shaft;

4. A round-bubble sponge rod penetrating machine as defined in claim 3, wherein: the height adjusting mechanism comprises a left adjusting mechanism and a right adjusting mechanism, the left adjusting mechanism comprises a linear guide rail longitudinally arranged on the front end face of the fixed block, a sliding block is connected to the linear guide rail in a sliding mode, the front end face of the sliding block is fixedly connected with a first motor and a second sliding sleeve through connecting pieces respectively, a cover plate is further fixedly arranged at the top end of the fixed block, the lower surface of the front end of the cover plate is opposite to the upper end face of the sliding block, a threaded hole is formed in the opposite position, an adjusting screw is connected in the threaded hole in a threaded mode, and the bottom end of the adjusting screw is connected with the sliding block in a rotating mode; the right adjusting mechanism comprises a telescopic rod structure forming a first supporting rod, the telescopic rod structure comprises a female rod arranged below and a sub rod sleeved in the female rod, the top end of the sub rod is fixedly connected with the first sliding sleeve, and the female rod and the sub rod are mutually fixed through positioning bolts.

5. A round-foam sponge rod penetrating machine according to claim 4, wherein: the front side and the rear side of the right end face of the first sliding sleeve are symmetrically provided with through grooves, a first electric push rod is embedded in each through groove, a clamping block is fixedly connected to the end part of a piston rod of the first electric push rod, the outer diameter of the central shaft is larger than that of the drilling rod, and the clamping block is matched with the left end of the central shaft.

6. A round foam sponge rod penetrating machine according to claim 5, wherein: the automatic control unit comprises a controller and a control panel, wherein the controller is used for respectively controlling the first motor, the second motor, the first electric cylinder, the second electric cylinder and the first electric push rod, and the first motor and the second motor are servo motors.

7. A round foam sponge rod penetrating rotary-cut production line is characterized in that: a rod penetrating machine for round foam sponge according to claim 6, comprising a rod penetrating machine for round foam sponge, a manipulator transferring mechanism and a rotary cutter, wherein the manipulator transferring mechanism transfers the round foam sponge body with a central shaft penetrating to a rotary cutting station of the rotary cutter.

8. The rotary cutting production line for the round foam sponge threading rod of claim 7 is characterized in that: the manipulator transfer mechanism comprises a support, a third motor and a mechanical arm connected with an output shaft of the third motor, wherein the third motor is arranged at the top of the support, the support is arranged between the round foam sponge rod penetrating machine and the rotary cutter, the mechanical arm is matched with two ends of a central shaft for use, the third motor is a servo motor, and the controller controls the third motor.

9. The rotary cutting production line for the round foam sponge threading rod is characterized in that: the manipulator operating mechanism comprises 2 third motors, the 2 third motors respectively grasp the front end and the rear end of the central shaft through a mechanical arm, the mechanical arm comprises a third electric cylinder and a mechanical claw, the fixed end of the third electric cylinder is fixedly connected with the output shaft of the third motor, the telescopic end of the third electric cylinder is fixedly connected with the mechanical claw, and the controller controls the third electric cylinder and the mechanical claw to act;

The rotary cutter comprises a second base, a supporting block fixedly arranged on the front and rear sides of the right end of the upper surface of the second base, and a supporting column fixedly arranged on the front and rear sides of the left end of the upper surface of the second base, wherein the supporting block is lower than the supporting column in height, a second lead screw and a second linear chute are connected between the upper part of the supporting column and the upper part of the supporting block, and the second linear chute is positioned below the second lead screw, and the axes of the second lead screw and the second linear chute are parallel to each other; the second screw rod is in threaded connection with a second nut sleeve, the inner side end of the second nut sleeve is fixedly connected with a central shaft rotation fixing mechanism, and the lower end of the central shaft rotation fixing mechanism is fixedly connected with a second sliding block arranged on a second linear sliding groove;

The 2 second lead screws are synchronously driven by a second lead screw driving mechanism, the lower parts between the supporting blocks are also rotationally connected with guide rollers, the guide rollers are driven by the guide roller driving mechanism, and a knife belt for rotary cutting sponge is further arranged on one side of the guide rollers;

The second screw driving mechanism comprises a fourth motor arranged on the front end face of the supporting block, the end parts of 2 second screws rotatably penetrate through the supporting block, one end part of each second screw is in transmission connection with an output shaft of the fourth motor, a driving belt pulley C is arranged on the output shaft of the fourth motor, a driven belt pulley C is arranged on the end part of the other second screw, and the driving belt pulley C is in transmission connection with the driven belt pulley C;

10. The rotary cutting production line for the round foam sponge threading rod of claim 9 is characterized in that: the central shaft rotating and fixing mechanism comprises a shell with an open inner side end, a sixth motor, a third electric push rod, a radial bearing and an internal thread sleeve, wherein the sixth motor, the third electric push rod and the radial bearing are arranged in the shell;