CN113427776B

CN113427776B - Automatic bonding equipment of connecting pipe

Info

Publication number: CN113427776B
Application number: CN202110972713.4A
Authority: CN
Inventors: 范涛
Original assignee: Shenyang Mastech Medical Device Co ltd
Current assignee: Shenyang Mastech Medical Device Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2021-11-12
Anticipated expiration: 2041-08-24
Also published as: CN113427776A

Abstract

The invention relates to the technical field of medical catheter assembly, and particularly provides automatic bonding equipment for connecting pipes, which comprises a rotating disc, a fixed disc, a control unit, a driving unit and an execution unit, wherein the driving unit is connected with the rotating disc, the fixed disc is concentrically and fixedly arranged above the rotating disc, each point on the outer edge of the rotating disc is on an extension line of the diameter of the corresponding position of the fixed disc, the execution unit comprises a plurality of clamping mechanisms, a glue dispensing mechanism, two clamping mechanisms, a curing mechanism and a detection mechanism, the clamping mechanisms are distributed and fixed on the edge of the upper surface of the rotating disc, the glue dispensing mechanism, the two clamping mechanisms, the curing mechanism and the detection mechanism are sequentially arranged on the edge of the upper surface of the fixed disc, and the control unit is respectively connected with the driving unit and the execution unit. The invention has the advantages of high assembly efficiency of the connecting pipe, good stability of the assembled connecting pipe, improved product quality, labor cost saving and the like by inspecting each assembled connecting pipe.

Description

Automatic bonding equipment of connecting pipe

Technical Field

The invention relates to the technical field of medical catheter assembly, and particularly provides automatic bonding equipment for connecting pipes.

Background

Connecting tubes are widely used in the medical field, and are used more frequently in cardiology, interventional department, anesthetic, ICU. The connection tube is used for connecting other components such as a catheter and a high-pressure syringe when injecting a medicine, a liquid, or a contrast medium into a patient.

A typical connection tube consists of three parts: a conduit, an outer conical joint and an inner conical joint. The existing assembly method of the connecting pipe is to bond by hands by workers, and check the air tightness after curing. The manual assembly efficiency is low, the product spot check and inspection are carried out by manpower, and manpower and material resources are wasted.

Disclosure of Invention

In order to solve the technical problem, the invention provides automatic bonding equipment for connecting pipes.

The invention is realized in such a way, and provides automatic bonding equipment for connecting pipes, wherein the connecting pipes comprise a conduit, an outer conical joint and an inner conical joint, the automatic bonding equipment for connecting pipes comprises a rotating disc, a fixed disc, a control unit, a driving unit and an execution unit, the driving unit is connected with the rotating disc, the fixed disc is concentrically and fixedly arranged above the rotating disc, each point on the outer edge of the rotating disc is on an extension line of the diameter of the corresponding position of the fixed disc, the execution unit comprises a clamping mechanism, a glue dispensing mechanism, two clamping mechanisms, a curing mechanism and a detection mechanism, the clamping mechanisms are distributed and fixed on the edge of the upper surface of the rotating disc, the glue dispensing mechanism, the two clamping mechanisms, the curing mechanism and the detection mechanism are sequentially arranged on the edge of the upper surface of the fixed disc, and the control unit is respectively connected with the driving unit and the execution unit.

Preferably, the clamping mechanism comprises a clamping block I, a clamping block II, a clamping column and two clamping guide columns, the clamping block I is fixed on the rotating disc, the upper end of the clamping column is fixed at the middle part of the clamping block II, the lower end of the clamping column sequentially penetrates through the clamping block I and the rotating disc, a compression spring is arranged at one end of the clamping column in a sleeved mode, one end of the compression spring is connected to the lower surface of the rotating disc, the other end of the compression spring is fixedly connected with the lower end of the clamping column, the upper ends of the two clamping guide columns are respectively fixed at two ends of the clamping block II, and the lower end of the two clamping guide columns sequentially penetrates through the clamping block I and the rotating disc.

Further preferably, the dispensing mechanism comprises a dispensing support, a dispensing cylinder and two dispensing needles, the dispensing support is fixed on the fixed disk, the upper end of the dispensing cylinder is fixed on the dispensing support, and a cylinder push rod at the lower end of the dispensing cylinder is fixedly connected with the two dispensing needles.

Further preferably, the clamping mechanism comprises a feeding assembly and a clamping assembly, the clamping assembly comprises a clamping support I, a clamping support II, a screw rod driving assembly, a screw rod plate, a slide rail, a clamping cylinder, a rotating cylinder, a clamping cylinder and two clamping blocks, the clamping support I is fixed on the fixed disc, the clamping support II is fixed at the upper end of the clamping support I, a long strip hole is formed in the clamping support II, the screw rod driving assembly is arranged on one side surface of the clamping support II, one end of the screw rod is connected with the screw rod driving assembly, the other end of the screw rod is rotatably connected to the clamping support II, the screw rod plate is rotatably connected to the screw rod, the screw rod plate penetrates through the long strip hole in the clamping support II and is connected with the clamping cylinder, the sliding rail is arranged on the clamping support II, the clamping cylinder is slidably assembled on the slide rail, and a cylinder push rod at the lower end of the clamping cylinder is fixedly connected with the rotating cylinder, the rotating plate at the other end of the rotating cylinder is fixedly connected with the clamping and clamping cylinder, and the clamping and clamping cylinder is connected with the two clamping blocks;

the feeding assembly comprises a vibrator, a feeding guide rail, spring pieces, feeding pieces, a feeding sensor I and a feeding sensor II, one end of the feeding guide rail is connected to an outlet of the vibrator, two side faces of the other end of the feeding guide rail are respectively connected with the spring pieces, the feeding pieces are arranged at the lower ends of the spring pieces and fixedly connected with the feeding guide rail, the feeding sensor I is arranged on the upper surface of one end of the feeding guide rail, and the feeding sensor II is arranged on the feeding piece.

Further preferably, the curing mechanism comprises a curing cylinder, a curing plate, two curing stop blocks, a curing support and an ultraviolet lamp, the curing cylinder and the curing support are arranged on the fixed disc, a cylinder push rod of the curing cylinder is fixedly connected with the curing plate, the two curing stop blocks are fixedly arranged on the curing plate, the ultraviolet lamp is fixed on the curing support, and the ultraviolet lamp is positioned above the curing stop blocks.

Preferably, the detection mechanism is arranged on the fixed disk and located on one side of the curing mechanism far away from the clamping mechanism, the detection mechanism comprises a holding component and two groups of detection components, the holding component comprises a holding support, a holding cylinder, a holding clamping cylinder and holding claws, the holding support is arranged on the fixed disk, the upper end of the holding cylinder is arranged on the holding support, a cylinder push rod at the lower end of the holding cylinder is connected with the two holding clamping cylinders, and the lower ends of the two holding clamping cylinders are respectively connected with the holding claws;

each group of detection components comprises a detection connecting plate, a detection tee joint, a detection electromagnetic valve, a detection air throttle, a barometer, a detection cylinder, a detection outer cylinder, a detection inner cylinder, a detection spring, a detection silica gel pad and a detection straight joint, wherein the detection connecting plate, the barometer and the detection cylinder are all arranged on the fixed disc, the detection tee joint, the detection electromagnetic valve and the detection air throttle are all arranged on the detection connecting plate, the barometer is provided with a barometer connecting joint, the detection outer cylinder is connected on a cylinder push rod of the detection cylinder, the detection outer cylinder is provided with a long hole, the detection inner cylinder is provided with an interface, the detection spring and the detection inner cylinder are sequentially arranged in the detection outer cylinder, the detection straight joint passes through the long hole on the detection outer cylinder and is connected with the interface on the detection inner cylinder, one end of the detection inner cylinder, which is far away from the detection spring, is provided with a long connecting pipe, one end of the long connecting pipe, which is far away from the detection inner cylinder, is provided with a gas port connecting pipe, the air port connecting pipe is provided with a detection silica gel pad, the detection air throttle is connected with an air inlet of the detection electromagnetic valve through an air pipe, an air outlet of the detection electromagnetic valve is connected with one port of the detection tee joint through the air pipe, and the other two ports of the detection tee joint are respectively connected with a barometer connecting joint on the barometer and a detection straight joint on the detection inner cylinder through the air pipe.

Further preferably, the device also comprises two grabbing mechanisms and a plurality of push-up mechanisms, wherein the two grabbing mechanisms are sequentially arranged on the fixed disc and positioned on one side of the detection mechanism far away from the solidification mechanism, each grabbing mechanism comprises a grabbing support I, a grabbing support II, a grabbing cylinder I, a grabbing slide rail I, a grabbing support III, a grabbing slide rail II, a grabbing cylinder II, a grabbing clamping cylinder and a grabbing block, the grabbing support I is arranged on the fixed disc, the grabbing cylinder I is arranged on one side of the upper end of the grabbing support I, a cylinder push rod of the grabbing cylinder I is connected with the grabbing support II, the grabbing slide rail I is arranged on the grabbing support II, the grabbing slide rail I is connected with the other side surface of the upper end of the grabbing support I in a sliding manner, the end of the grabbing support II is connected with the grabbing support III, the grabbing slide rail II is arranged on the grabbing support III, and the grabbing slide rail II is connected with the grabbing cylinder II in a sliding manner, the cylinder push rod at the lower end of the grabbing cylinder II is connected with the grabbing clamping cylinder, and the lower end of the grabbing clamping cylinder is connected with the grabbing block;

the plurality of push-up mechanisms are arranged below the edge of the rotating disc and at positions where the clamping mechanisms need to be opened, each push-up mechanism comprises a push-up cylinder and a push-up plate, and a cylinder push rod at the upper end of the push-up cylinder is connected with the push-up plate.

Further preferably, the execution unit further comprises an alignment mechanism, the alignment mechanism is arranged on the fixed disc and located on one side, away from the clamping mechanism, of the dispensing mechanism, the alignment mechanism comprises an alignment cylinder, an alignment baffle and an alignment sensor, a cylinder push rod of the alignment cylinder is connected with the alignment baffle, and two alignment sensors are arranged on the upper side of the alignment baffle.

Further preferably, the driving unit comprises a bottom plate, a rotary driving assembly and a rotary assembly, the rotary driving assembly comprises a rotary driving motor, a rotary driving reducer, a synchronous belt pulley I, a synchronous belt and a synchronous belt pulley II, the rotary assembly comprises a rotary shaft, a rotary support I, a rotary support II, a helical gear I, a support column and a helical gear II, the rotary driving motor is connected with the rotary driving reducer, the rotary driving reducer is connected with the synchronous belt pulley I, the synchronous belt is sleeved on the synchronous belt pulley I and the synchronous belt pulley II, the synchronous belt pulley II is fixedly connected at one end of the rotary shaft, the rotary shaft is rotatably connected with the rotary support I and the rotary support II, the rotary support I and the rotary support II are arranged on the bottom plate, the other end of the rotary shaft is fixedly connected with the helical gear I, the helical gear II is rotatably connected at the upper end of the support column, and the helical gear I is meshed with the helical gear II, the helical gear II is fixedly connected with the rotating disc;

the control unit comprises a controller and a foot switch, the controller is connected with the driving unit and the execution unit respectively, and the foot switch controls the start and stop of the controller.

Preferably, a fixed disc sensor is arranged at the edge of the fixed disc, a plurality of blocks are arranged on the upper surface of the rotating disc, and the size of the circumference enclosed by the blocks is close to that of the fixed disc; and a plurality of fixing struts are arranged on the periphery of the fixing disc, and the upper end heads of the fixing struts are fixedly connected with the fixing disc.

Compared with the prior art, the invention has the advantages that:

1. the assembly efficiency of the connecting pipe is high;

2. the stability of the assembled connecting pipe is good;

3. each assembled connecting pipe is inspected, so that the product quality is improved;

4. the labor cost is saved.

Drawings

The invention is described in further detail below with reference to the following figures and embodiments:

FIG. 1 is a schematic view of a connecting tube;

FIG. 2 is a view showing an overall structure of an automatic bonding apparatus for connecting pipes according to the present invention;

FIG. 3 is an overall view of the clamping mechanism;

FIG. 4 is an exploded view of the clamping mechanism as a whole;

FIG. 5 is a view showing the overall structure of the dispenser mechanism;

FIG. 6 is a view showing the overall position relationship between the gripping assembly and the loading assembly of the gripping mechanism;

FIG. 7 is a view showing the side of the clamping assembly where the lead screw is provided;

FIG. 8 is a view showing the side of the clamping assembly provided with the clamping cylinder;

FIG. 9 is an exploded view of the gripping assembly;

FIG. 10 is an overall structure view of the feeding assembly;

FIG. 11 is a view of the structure of the curing mechanism;

FIG. 12 is an overall view of the gripping member and the detecting member of the detecting mechanism;

FIG. 13 is an overall view of the handle;

FIG. 14 is a perspective view of one perspective of the detection assembly;

FIG. 15 is a perspective view of another perspective of the detection assembly;

FIG. 16 is an overall exploded view of the detection assembly;

FIG. 17 is an overall view of the grasping mechanism;

FIG. 18 is an overall view of the push-up mechanism;

FIG. 19 is a view of the alignment mechanism;

FIG. 20 is a view showing the construction of a driving unit;

fig. 21 is an exploded view of the drive unit, rotatable disk, stationary post connection.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, the present invention provides an automatic bonding apparatus for connecting pipes, the connecting pipe includes a conduit 111, an outer conical joint 112 and an inner conical joint 113, the automatic bonding apparatus for connecting pipes includes a rotating disc 1, a fixed disc 2, a control unit, a driving unit and an execution unit, the driving unit is connected with the rotating disc 1, the fixed disc 2 is concentrically and fixedly disposed above the rotating disc 1, and each point on the outer edge of the rotating disc 1 is on an extension line of the diameter of the corresponding position of the fixed disc 2, in this embodiment, the rotating disc 1 is a regular hexagon, the fixed disc 2 is a circle, the execution unit includes a plurality of clamping mechanisms 114, a dispensing mechanism 115, two clamping mechanisms 116, a curing mechanism 117 and a detection mechanism 118, the plurality of clamping mechanisms 114 are disposed and fixed on the edge of the upper surface of the rotating disc 1, the dispensing mechanism 115, the two clamping mechanisms 116, the curing mechanism and the detection mechanism 118 are sequentially disposed on the edge of the upper surface of the fixed disc 2, the control unit is respectively connected with the driving unit and the execution unit.

When the connecting pipe is assembled by using the invention, the equipment is started, the control unit drives the first clamping mechanism 114 to clamp the conduit 111 of the connecting pipe, so that the end of the conduit for connecting the outer conical joint 112 and the inner conical joint 113 is positioned at one side close to the fixed disk 2, and the two ends are aligned; the driving unit drives the rotating disc 1 to rotate by a certain angle, the first clamping mechanism 114 drives the guide tube 111 to rotate to the position of the dispensing mechanism 115, the control unit controls the dispensing mechanism 115 to dispense glue to the outer parts of the two ends of the guide tube 111, after the dispensing is finished, the driving unit drives the rotating disc 1 to rotate by a certain angle, the first clamping mechanism 114 drives the guide tube 111 to rotate to the position of the first clamping mechanism 116, the first clamping mechanism 116 clamps an outer conical joint 112 or an inner conical joint 113 and is installed on one end of the guide tube 111, the driving unit drives the rotating disc 1 to rotate by a certain angle, the first clamping mechanism 114 drives the guide tube 111 to rotate to the position of the second clamping mechanism 116, the second clamping mechanism 116 clamps an inner conical joint 113 or an outer conical joint 112 and is installed on the other end of the guide tube 111, and the driving unit drives the rotating disc 1 to rotate by a certain angle, the first clamping mechanism 114 drives the conduit 111 to rotate to the position of the curing mechanism 117, the control unit controls the curing mechanism 117 to work, glue between the conduit 111 and the inner conical joint 113 and the outer conical joint 112 is cured, the driving unit drives the rotary disc 1 to rotate for a certain angle, the first clamping mechanism 114 drives the conduit 111 to rotate to the position of the detection mechanism 118, and the control unit controls the detection mechanism 118 to detect the air tightness of the connecting pipe, so that the installation of one connecting pipe is completed, and due to the fact that the plurality of clamping mechanisms 114 are arranged, each clamping mechanism 114 repeats the working process of the first clamping mechanism 114, and the continuity and automation of the assembly of the connecting pipe are achieved.

Referring to fig. 3 and 4, the overall structure diagram and the explosion diagram of the clamping machine are shown, the clamping mechanism 114 includes a clamping block i 3, a clamping block ii 4, a clamping column 5 and two clamping guide pillars 6, the clamping block i 3 is fixed on the rotating disc 1, the upper end of the clamping column 5 is fixed in the middle of the clamping block ii 4, the lower end of the clamping column passes through the clamping block i 3 and the rotating disc 1 in sequence, a compression spring 7 is arranged at one end of the clamping column 5 in a sleeved mode, one end of the compression spring 7 is connected to the lower surface of the rotating disc 1, the other end of the compression spring is fixedly connected with the lower end of the clamping column 5, the upper ends of the two clamping guide pillars 6 are fixed at two ends of the clamping block ii 4 respectively, and the lower end of the clamping column i 3 and the rotating disc 1 in sequence.

When needing fixture 114 centre gripping pipe 111, through promoting two centre gripping guide pillars 6, make grip block II 4 by jack-up, the gap appears between grip block II 4 and the grip block I3, operating personnel places pipe 111 on the grip block I3, unclamp behind the centre gripping guide pillar 6, because compression spring 7 is in compression state always, can give 5 decurrent thrusts of centre gripping post to make II 4 trends of grip block be close to grip block I3, thereby press from both sides pipe 111 tightly.

For better clamping stability, preferably, the clamping lower block 301 is arranged on the upper surface of the clamping block I3 and on two sides of the clamping column 5 respectively, the clamping upper block 401 is arranged on the lower surface of the clamping block II 4 and on two sides of the clamping column 5 respectively, the conduit 111 is clamped by the clamping lower block 301 and the clamping upper block 401, and further, arc-shaped grooves can be formed in the clamping lower block 301 and the clamping upper block 401 to facilitate positioning of the conduit 111.

In order to better fix the clamping guide post 6, two clamping screws I76 are arranged to penetrate through the upper surface of the clamping block II 4 and fixedly connected with the two clamping guide posts 6.

In order to better fix the clamping column 5, a clamping screw II 77 is arranged to penetrate through the upper surface of the clamping block II 4 and is fixedly connected with the clamping column 5.

In order to make the up-and-down sliding of the two clamping guide pillars 6 on the clamping block i 3 smoother, it is preferable that two clamping linear bearings 78 are provided on the clamping block i 3, and the clamping guide pillars 6 pass through the clamping linear bearings 78.

Referring to fig. 5, the dispensing mechanism 115 includes a dispensing support, a dispensing cylinder 8, and two dispensing needles 9, the dispensing support is fixed to the two fixing discs, the upper end of the dispensing cylinder 8 is fixed to the dispensing support, and a cylinder push rod at the lower end of the dispensing cylinder 8 is fixedly connected to the two dispensing needles 9.

Glue dispensing mechanism 115 is connected on fixed disk 2 through some glue supports, and some glue supports include a little glue support I79 and a little glue support II 80, and a little glue support I79 is vertical to be set up, and a little glue support II 80 level sets up, when needing the end of gluing mechanism 115 to pipe 111 to glue, the cylinder catch bar of a little glue cylinder 8 stretches out, makes two some glue syringe needles 9 reach the top of two ends of pipe 111, can carry out some glue.

For the stability of setting, two some glue syringe needles 9 are through gluing the piece 81 and connect some glue syringe needles 9 in the cylinder catch bar's of some glue cylinder 8 below.

The two dispensing needles 9 are connected with the rubber cylinder 82.

Referring to fig. 6, 7, 8 and 9, the clamping mechanism 116 includes a feeding assembly 1161 and a clamping assembly 1162, the clamping assembly 1162 includes a clamping support i 10, a clamping support ii 11, a screw driving assembly, a screw 12, a screw plate 13, a slide rail 14, a clamping cylinder 15, a rotating cylinder 16, a clamping cylinder 17 and two clamping blocks 18, the clamping support i 10 is fixed on the fixed plate 2, the clamping support ii 11 is fixed on the clamping support i 10, a strip hole is formed on the clamping support ii 11, the screw driving assembly is arranged on one side surface of the clamping support ii 11, one end of the screw 12 is connected with the screw driving assembly, the other end is rotatably connected to the clamping support ii 11, the screw plate 13 is rotatably connected to the screw 12 through a screw nut, the screw plate 13 passes through the strip hole on the clamping support ii 11 and is connected to the clamping cylinder 15, and the slide rail 14 is arranged on the clamping support ii 11, the clamping cylinder 15 is assembled on the slide rail 14 in a sliding manner, a cylinder push rod at the lower end of the clamping cylinder 15 is fixedly connected with the rotating cylinder 16, a rotating plate 19 at the other end of the rotating cylinder 16 is fixedly connected with the clamping and clamping cylinder 17, and the clamping and clamping cylinder 17 is connected with the two clamping blocks 18.

Specifically, the screw driving assembly comprises a stepping motor 83 and a coupler 84, the stepping motor 83 is arranged on the clamping bracket ii 11 through a motor bracket, the stepping motor 83 drives the screw 12 to rotate through the coupler 84 in the process that the clamping assembly 1162 clamps the outer conical joint 112 or the inner conical joint 113, the screw plate 13 moves back and forth along the screw 12 in the rotating process of the screw 12, so as to drive the clamping cylinder 15 to move back and forth along the slide rail 14, so as to change the front and back positions of the two clamping blocks 18, and the clamping cylinder 15 is slidably connected with the slide rail 14 through the clamping cylinder plate 85; the rotating cylinder 16 is connected to the lower end of the cylinder push rod of the clamping cylinder 15 through the clamping connecting plate 86, the clamping block 18 moves up and down by pushing the cylinder push rod of the clamping cylinder 15 up and down, the clamping and clamping cylinder 17 is connected to the rotating plate 19 of the rotating cylinder 16, the rotating of the rotating cylinder 16 realizes the rotating of the clamping block 18, so that glue between the end of the conduit 111 and the outer conical joint 112 and the inner conical joint 113 can be uniformly coated, the clamping and clamping cylinder 17 controls the approaching or the keeping away between the two clamping blocks 18, and the clamping or the releasing of the outer conical joint 112 or the inner conical joint 113 can be realized.

Referring to fig. 10, the feeding assembly 1161 of the gripping mechanism 116 includes a vibrator 20, a feeding guide rail 21, a spring plate 22, a feeding sheet 23, a feeding sensor i 24 and a feeding sensor ii 25, one end of the feeding guide rail 21 is connected to an outlet of the vibrator 20, two side faces of the other end of the feeding guide rail 21 are respectively connected to one spring plate 22, the feeding sheet 23 is disposed at a lower end of the spring plate 22 and fixedly connected to the feeding guide rail 21, the feeding sensor i 24 is disposed on an upper surface of one end of the feeding guide rail 21 far away from the vibrator 20, and the feeding sensor ii 25 is disposed on the feeding sheet 23.

The vibrator 20 is supported at a certain height through the feeding support 87, during the feeding process, the vibration of the vibrator 20 enables the outer conical joint 112 or the inner conical joint 113 to enter the feeding guide rail 21 from the vibrator 20 and be clamped on the inner sides of the two spring pieces 22, the feeding sensor I24 senses the outer conical joint 112 or the inner conical joint 113, the feeding assembly 1161 starts to work, and when the feeding sensor II 25 senses the two clamping blocks 18, the clamping and clamping cylinder 17 controls the two clamping blocks 18 to be closed, so that the outer conical joint 112 or the inner conical joint 113 is clamped, and the clamping is completed.

Referring to fig. 11, the curing mechanism 117 includes a curing cylinder 26, a curing plate 27, two curing stoppers 28, a curing bracket and an ultraviolet lamp 29, the curing cylinder 26 and the curing bracket are disposed on the fixing plate 2, a cylinder push rod of the curing cylinder 26 is fixedly connected to the curing plate 27, the two curing stoppers 28 are fixedly disposed on the curing plate 27, the ultraviolet lamp 29 is fixed on the curing bracket, and the ultraviolet lamp 29 is located above the curing stoppers 28.

During the curing process, the curing cylinder 26 is actuated to push the curing plate 27 forward, and the front ends of the two curing blocks 28 are inserted into the cavities of the outer conical joint 112 and the inner conical joint 113, at which time the ultraviolet lamp 29 is turned on to cure the glue. The solidification support includes solidification support I88 and solidification support II 89, and solidification support I88 is fixed on fixed disk 2, and solidification support II 89 sets up in solidification support I88 upper end, and ultraviolet lamp 29 sets up the other end at solidification support II 89. For the accuracy of curing, two ultraviolet lamps 29 are provided.

Referring to fig. 12, 13, 14, 15 and 16, the detecting mechanism 118 is disposed on the fixed tray 2 and located on a side of the solidifying mechanism 117 away from the gripping mechanism 116, the detecting mechanism 118 includes a holding component 1181 and two sets of detecting components 1182, the holding component 1181 includes a holding bracket, a holding cylinder 33, a holding clamping cylinder 34 and a holding claw 35, the holding bracket is disposed on the fixed tray 2, an upper end of the holding cylinder 33 is disposed on the holding bracket, a cylinder pushing rod at a lower end of the holding cylinder 33 is connected to the two holding clamping cylinders 34, and lower ends of the two holding clamping cylinders 34 are respectively connected to the holding claw 35;

the cylinder pushing rod of the holding cylinder 33 is connected with the two holding clamping cylinders 34 through the holding plate 90, during the process that the holding assembly 1181 holds the outer conical joint 112 and the inner conical joint 113, the holding cylinder 33 pushes the two holding clamping cylinders 34 to move downwards, after the two holding clamping cylinders 34 reach the position, the two holding clamping cylinders 34 control the holding claws 35 connected with each other to separate, after the outer conical joint 112 and the inner conical joint 113 enter the two holding claws 35, the two holding clamping cylinders 34 control the holding claws 35 connected with each other to approach each other, clamping is performed, and holding of the outer conical joint 112 and the inner conical joint 113 is completed.

The holding bracket comprises a holding bracket I91 and a holding bracket II 92, wherein the holding bracket I91 is fixed on the fixed disc 2, the holding bracket II 92 is connected to the upper end of the holding bracket I91, and the holding cylinder 33 is connected to the other end of the holding bracket II 92.

Each group of detection components 1182 comprises a detection connecting plate 36, a detection tee joint 37, a detection electromagnetic valve 38, a detection air throttle 39, a barometer 40, a detection cylinder 41, a detection outer cylinder 42, a detection inner cylinder 43, a detection spring 44, a detection silica gel pad 45 and a detection straight joint 46, wherein the detection connecting plate 36, the barometer 40 and the detection cylinder 41 are all arranged on the fixed disk 2, the detection tee joint 37, the detection electromagnetic valve 38 and the detection air throttle 39 are all arranged on the detection connecting plate 36, the barometer 40 is provided with a barometer connecting joint 47, the detection outer cylinder 42 is connected on a cylinder push rod of the detection cylinder 41, the detection outer cylinder 42 is provided with a long hole, the detection inner cylinder 43 is provided with an interface, the detection spring 44 and the detection inner cylinder 43 are sequentially arranged inside the detection outer cylinder 42, the detection straight joint 46 passes through the long hole on the detection outer cylinder and is connected with the interface on the detection inner cylinder 43, one end of the detection inner cylinder 43, which is far away from the detection spring 44, is provided with a long connecting pipe, an air port connecting pipe is arranged at one end of the long connecting pipe, which is far away from the detection inner cylinder 43, a detection silica gel pad 45 is arranged on the air port connecting pipe, a detection air throttle valve 39 is connected with an air inlet of a detection electromagnetic valve 38 through an air pipe, an air outlet of the detection electromagnetic valve 38 is connected with one port of a detection tee joint 37 through an air pipe, and the other two ports of the detection tee joint 37 are respectively connected with an air pressure meter connecting joint 47 on an air pressure meter 40 and a detection straight joint 46 on the detection inner cylinder 43 through air pipes.

In the detection process, the detection cylinders 41 of the two detection assemblies 1182 push the detection outer cylinder 42 and the detection inner cylinder 43 to extend into the outer conical joint 112 and the inner conical joint 113, push the detection inner cylinder 43 to compress the detection spring 44 backwards in the detection outer cylinder 42, and the detection silicone pad 45 is tightly attached to the outer conical joint 112 and the inner conical joint 113 by the thrust of the detection spring 44, so that the test can be started. Through the connection of each air pipe, the barometers 40 are communicated with the inner cavity of the detection inner cylinder 43, the detection air throttle 39, the detection electromagnetic valve 38 and the detection tee joint 37 are used for inflating the detection inner cylinder 43, namely the outer cone joint 112 and the inner cone joint 113 are respectively used for inflating the guide pipe 111, the air pressures at two ends are detected through the two barometers 40, when the detection electromagnetic valve 38 of one detection assembly 1182 works and the detection electromagnetic valve 38 of one detection assembly 1182 does not work, whether the numerical values of the two barometers 40 reach expectations or not is observed, if the numerical values reach the expectations, the inner cavity of the connecting pipe is communicated, and no leakage exists; if the values are the same and do not reach the expectation, the connection pipe is indicated to have leakage; if the values of the barometers are greatly different, the blockage in the connecting pipe is indicated. When the normal result is measured for the first time, the opened detection battery valve 38 is closed, the unopened detection electromagnetic valve 38 is opened, whether the value of the barometer 40 is normal or not is checked, and whether the connection pipe can be pressurized twice or not is detected. After the test, the detection cylinder 41 is retracted, the grip cylinder 34 is released, and the grip cylinder 33 is retracted. The connecting pipe is subjected to the next process.

The barometer 40 is arranged on the fixing plate 2 through a barometer bracket 93, the front and the back of the detection cylinder 41 are arranged on the fixing plate 2 through a detection cylinder bracket 94, the connection part of the detection cylinder 41 and the detection cylinder bracket 94 is connected through a detection cylinder nut 95, if the height is not proper, the lower end of the detection cylinder bracket 94 can be provided with a detection cushion block 96, the rear end of the detection outer cylinder 42 is in threaded connection with a detection outer cylinder cover 97, and the rear end of the detection inner cylinder 43 is in threaded connection with a detection inner cylinder cover 98.

Referring to fig. 17, the present invention further includes two grabbing mechanisms 119, the two grabbing mechanisms 119 are sequentially disposed on the fixed plate 2 and located on a side of the detection mechanism 118 away from the curing mechanism 117, each grabbing mechanism 119 includes a grabbing bracket i 48, a grabbing bracket ii 49, a grabbing cylinder i 50, a grabbing slide rail i 51, a grabbing bracket iii 52, a grabbing slide rail ii 53, a grabbing cylinder ii 54, a grabbing clamping cylinder 55 and a grabbing block 56, the grabbing bracket i 48 is disposed on the fixed plate 2, the grabbing cylinder i 50 is disposed on one side of an upper end of the grabbing bracket i 48, a cylinder push rod of the grabbing cylinder i 50 is connected with the grabbing bracket ii 49, the grabbing slide rail i 51 is disposed on the grabbing bracket ii 49, the grabbing slide rail i 51 is slidably connected with another side of the upper end of the grabbing bracket i 48, an end of the grabbing bracket ii 49 is connected with the grabbing bracket iii 52, the grabbing slide rail ii 53 is disposed on the grabbing bracket iii 52, snatch slide rail II 53 and snatch II 54 sliding connection of cylinder, snatch the cylinder catch bar of II 54 lower extremes of cylinder and snatch centre gripping cylinder 55 and be connected, snatch centre gripping cylinder 55's lower extreme and connect and snatch and grab block 56.

Two snatch the setting of mechanism 119 and be in order to snatch finished product and substandard product respectively after detection mechanism 118 detects out finished product or substandard product, take a snatch mechanism 119 for the example, snatch in-process, snatch cylinder I50 and promote to snatch support II 49 and move forward, snatch cylinder II 54 and promote to snatch centre gripping cylinder 55 and move down, snatch centre gripping cylinder 55 drive and snatch keeping away from or being close to of grabbing piece 56 to realize snatching to the connecting pipe. The front end of a cylinder push rod of the grabbing cylinder I50 is connected with the grabbing bracket II 49 through a grabbing screw 99.

Referring to fig. 18, the present invention further includes a plurality of push-up mechanisms 120, the push-up mechanisms 120 are disposed below the edge of the rotating disc 1, the push-up mechanisms 120 include a push-up cylinder 57 and a push-up plate 58, and a cylinder push rod at the upper end of the push-up cylinder 57 is connected to the push-up plate 58.

The push-up mechanism 120 is provided to automatically open and clamp the gripping mechanism 114 during the process of gripping the catheter 111 by the gripping mechanism 114 and gripping the finished or defective connecting tube by the gripping mechanism 119. In the working process of the push-up mechanism 120, the push-up cylinder 57 pushes the push-up plate 58, the push-up plate 58 contacts with the two clamping guide pillars 6, the two clamping guide pillars 6 push the clamping block II 4 to be away from the clamping block II 4, so that a gap is formed between the clamping block I3 and the clamping block II 4, and the conduit 111 can be placed or taken out.

The push-up cylinder 57 is provided on the push-up bracket 100 through the upper leg shield 101 so as to be connected to the integrated apparatus.

Referring to fig. 19, the execution unit further includes an alignment mechanism 121, the alignment mechanism 121 is disposed on the fixed disk 2 and located on a side of the dispensing mechanism 115 away from the clamping mechanism 116, the alignment mechanism includes an alignment cylinder 30, an alignment baffle 31, and an alignment sensor 32, a cylinder push rod of the alignment cylinder 30 is connected to the alignment baffle 31, and two alignment sensors 32 are disposed on an upper side of the alignment baffle 31.

During the process of clamping the conduit 111 by the clamping mechanism 114, the alignment cylinder 30 pushes the alignment baffle 31 to extend forward, and after both alignment sensors 32 sense the ends of the conduit 111, it is verified that the ends of the conduit 111 are aligned.

Referring to fig. 20 and 21, the driving unit includes a base plate 59, and a rotation driving assembly and a rotation assembly disposed on the base plate 59, the rotation driving assembly includes a rotation driving motor 60, a rotation driving reducer 61, a synchronous pulley i 62, a synchronous belt 63, and a synchronous pulley ii 64, the rotation assembly includes a rotation shaft 65, a rotation support i 66, a rotation support ii 67, a helical gear i 68, a pillar 69, and a helical gear ii 70, the rotation driving motor 60 is connected to the rotation driving reducer 61, the rotation driving reducer 61 is connected to the synchronous pulley i 62, the synchronous belt 63 is sleeved on the synchronous pulley i 62 and the synchronous pulley ii 64, the synchronous pulley ii 64 is fixedly connected to one end of the rotation shaft 65, the rotation shaft 65 is rotatably connected to the rotation support i 66 and the rotation support ii 67, the rotation support i 66 and the rotation support ii 67 are disposed on the base plate 59, the other end of the rotation shaft 65 is fixedly connected to the helical gear i 68, the bevel gear II 70 is rotatably connected to the upper end of the strut 69, the bevel gear I68 is meshed with the bevel gear II 70, and the bevel gear II 70 is fixedly connected with the rotating disk 1.

In the driving process, the rotation driving motor 60 and the rotation driving reducer 61 drive the synchronous pulley I62 to rotate, the synchronous pulley I62 drives the synchronous pulley II 64 to rotate through the synchronous belt 63, the helical gear I68 also rotates along with the rotation due to the rotation transmission of the shaft, so as to drive the helical gear II 70 to rotate, and the helical gear II 70 is connected with the rotating disc 1 through the sleeve 101, so as to drive the rotating disc 1 to rotate. The support of the fixed disk 2 is realized by the protrusion of the upper end of the support column 69 passing through the through hole in the center of the fixed disk 2.

The rotation driving reducer 61 is disposed on the base plate 59 through a reducer bracket 102, and a slot 1021 is formed at a lower end of the reducer bracket 102 for adjusting a distance between two synchronous pulleys, thereby adjusting tightness of the synchronous belt 63. The two rotating supports are rotatably connected with the rotating shaft 65 through two bearings I103, and the support column 69 and the bevel gear II 70 are rotatably connected through a bearing II 104.

Referring to fig. 1, the control unit includes a controller 71 and a foot switch 72, the controller 71 is connected to the driving unit and the execution unit, and the foot switch 72 controls the start and stop of the controller 71. The controller 71 is attached to the base plate 59 by a controller bracket 105.

Referring to fig. 21, in order to achieve the accuracy of positioning, as an improvement of the technical solution, a fixed disk sensor 73 is arranged at the edge of the fixed disk 2, a plurality of blocks 74 are arranged on the upper surface of the rotating disk 1, and the size of the circumference enclosed by the blocks 74 is close to the size of the fixed disk 2; a plurality of fixing struts 75 are arranged on the periphery of the fixed disk 2, and the upper ends of the fixing struts 75 are fixedly connected with the fixed disk 2.

In the rotating process of the rotating disc 1, after the rotating disc rotates to an actuating mechanism each time, the block 74 approaches the fixed disc sensor 73, the fixed disc sensor 73 transmits a signal to the control unit, and the control unit controls the driving unit to stop driving the rotating disc 1 to rotate, so that the accurate control of the position is realized. The fixed disk sensor 73 is fixed on the edge of the fixed disk 2 through a fixed disk sensing frame 106, and surrounds the driving unit through a driving baffle I107 and a driving baffle II 108, so that dust is prevented from falling on the driving unit and affecting functions. On the bottom surface outside the gripping mechanism 119, a finished product tank 109 and a defective product tank 110 are provided for placing the connection pipes gripped by the gripping mechanism 119.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides an automatic bonding equipment of connecting pipe, a serial communication port, including rolling disc (1), fixed disk (2), the control unit, drive unit and execution unit, drive unit is connected with rolling disc (1), fixed disk (2) are fixed in concentric the setting in rolling disc (1) top, and every point on rolling disc (1) outer edge all is on the extension line of fixed disk (2) corresponding position diameter, the execution unit includes fixture (114), point gum machine constructs (115), two are got mechanism (116), solidification mechanism (117) and detection mechanism (118), fixture (114) are equipped with a plurality ofly, the distribution is fixed at the upper surface border of rolling disc (1), point gum machine constructs (115), two are got mechanism (116), solidification mechanism (117) and detection mechanism (118) set gradually at fixed disk (2) upper surface border, the control unit and drive unit, the control unit is connected with the execution unit, the drive unit is connected with the fixed disk (1), the fixed disk (2) is got in the fixed in the center, and is got the mechanism (116), the fixed disk (2) is got in the fixed disk (1) in the fixed disk (2) in the department, the fixed disk (2) in the fixed disk is fixed in the fixed disk is fixed in the department, the fixed in the upper surface border, the fixed in the fixed disk is fixed in the fixed position, the fixed in the fixed, The execution units are respectively connected;

the clamping mechanism (114) comprises a clamping block I (3), a clamping block II (4), a clamping column (5) and two clamping guide pillars (6), the clamping block I (3) is fixed on the rotating disc (1), the upper end of the clamping column (5) is fixed in the middle of the clamping block II (4), the lower end of the clamping column (5) penetrates through the clamping block I (3) and the rotating disc (1) in sequence, a compression spring (7) is arranged at one end of the clamping column (5) in a sleeved mode, one end of the compression spring (7) is connected to the lower surface of the rotating disc (1), the other end of the compression spring is fixedly connected with the lower end of the clamping column (5), the upper ends of the two clamping guide pillars (6) are fixed at two ends of the clamping block II (4) respectively, and the lower end of the two clamping guide pillars penetrates through the clamping block I (3) and the rotating disc (1) in sequence;

the clamping mechanism (116) comprises a feeding assembly (1161) and a clamping assembly (1162), the clamping assembly (1162) comprises a clamping support I (10), a clamping support II (11), a screw driving assembly, a screw rod (12), a screw rod plate (13), a sliding rail (14), a clamping cylinder (15), a rotating cylinder (16), a clamping cylinder (17) and two clamping blocks (18), the clamping support I (10) is fixed on the fixed disc (2), the clamping support II (11) is fixed at the upper end of the clamping support I (10), a strip hole is formed in the clamping support II (11), the screw rod driving assembly is arranged on one side face of the clamping support II (11), one end of the screw rod (12) is connected with the screw rod driving assembly, the other end of the screw rod (12) is rotatably connected to the clamping support II (11), the screw rod plate (13) is rotatably connected to the screw rod (12), and the screw rod plate (13) penetrates through the strip hole in the clamping support II (11), the clamping device is connected with a clamping cylinder (15), a sliding rail (14) is arranged on a clamping support II (11), the clamping cylinder (15) is assembled on the sliding rail (14) in a sliding mode, a cylinder push rod at the lower end of the clamping cylinder (15) is fixedly connected with a rotating cylinder (16), a rotating plate (19) at the other end of the rotating cylinder (16) is fixedly connected with a clamping and clamping cylinder (17), and the clamping and clamping cylinder (17) is connected with two clamping blocks (18);

the feeding assembly (1161) comprises a vibrator (20), a feeding guide rail (21), a spring piece (22), a feeding sheet (23), a feeding sensor I (24) and a feeding sensor II (25), one end of the feeding guide rail (21) is connected to an outlet of the vibrator (20), two side faces of the other end of the feeding guide rail (21) are respectively connected with the spring piece (22), the feeding sheet (23) is arranged at the lower end of the spring piece (22) and fixedly connected with the feeding guide rail (21), the feeding sensor I (24) is arranged on the upper surface of one end, far away from the vibrator (20), of the feeding guide rail (21), and the feeding sensor II (25) is arranged on the feeding sheet (23);

the detection mechanism (118) is arranged on the fixed disc (2) and is positioned on one side, away from the clamping mechanism (116), of the curing mechanism (117), the detection mechanism (118) comprises a holding component (1181) and two groups of detection components (1182), the holding component (1181) comprises a holding support, a holding cylinder (33), a holding clamping cylinder (34) and a holding claw (35), the holding support is arranged on the fixed disc (2), the upper end of the holding cylinder (33) is arranged on the holding support, a cylinder push rod at the lower end of the holding cylinder (33) is connected with the two holding clamping cylinders (34), and the lower ends of the two holding clamping cylinders (34) are respectively connected with the holding claw (35);

each group of detection components (1182) comprises a detection connecting plate (36), a detection tee joint (37), a detection electromagnetic valve (38), a detection air throttle (39), a barometer (40), a detection cylinder (41), a detection outer cylinder (42), a detection inner cylinder (43), a detection spring (44), a detection silica gel pad (45) and a detection straight joint (46), wherein the detection connecting plate (36), the barometer (40) and the detection cylinder (41) are all arranged on the fixed disc (2), the detection tee joint (37), the detection electromagnetic valve (38) and the detection air throttle (39) are all arranged on the detection connecting plate (36), a barometer connecting joint (47) is arranged on the barometer (40), the detection outer cylinder (42) is connected to a cylinder push rod of the detection cylinder (41), a long hole is arranged on the detection outer cylinder (42), an interface is arranged on the detection inner cylinder (43), and the detection spring (44), The detection inner cylinder (43) is sequentially arranged inside the detection outer cylinder (42), the detection straight joint (46) penetrates through a long hole in the detection outer cylinder and is connected with an interface on the detection inner cylinder (43), one end, far away from the detection spring (44), of the detection inner cylinder (43) is provided with a long connecting pipe, one end, far away from the detection inner cylinder (43), of the long connecting pipe is provided with an air inlet connecting pipe, a detection silica gel pad (45) is arranged on the air inlet connecting pipe, a detection air throttle valve (39) is connected with an air inlet of a detection electromagnetic valve (38) through an air pipe, an air outlet of the detection electromagnetic valve (38) is connected with one port of a detection tee joint (37) through an air pipe, and the other two ports of the detection tee joint (37) are respectively connected with an air pressure meter connecting joint (47) on an air pressure meter (40) and the detection straight joint (46) on the detection inner cylinder (43) through the air pipe.

2. The automatic bonding apparatus for connecting pipes according to claim 1, wherein the dispensing mechanism (115) comprises a dispensing bracket, a dispensing cylinder (8) and two dispensing needles (9), the dispensing bracket is fixed on the fixed tray (2), the upper end of the dispensing cylinder (8) is fixed on the dispensing bracket, and a cylinder push rod at the lower end of the dispensing cylinder (8) is fixedly connected with the two dispensing needles (9).

3. The automatic bonding equipment for connecting pipes according to claim 1, wherein the curing mechanism (117) comprises a curing cylinder (26), a curing plate (27), two curing stoppers (28), a curing bracket and an ultraviolet lamp (29), the curing cylinder (26) and the curing bracket are arranged on the fixed disk (2), a cylinder push rod of the curing cylinder (26) is fixedly connected with the curing plate (27), the two curing stoppers (28) are fixedly arranged on the curing plate (27), the ultraviolet lamp (29) is fixed on the curing bracket, and the ultraviolet lamp (29) is positioned above the curing stoppers (28).

4. The automatic bonding equipment for the connecting pipes as claimed in claim 1, further comprising two grabbing mechanisms (119) and a plurality of pushing-up mechanisms (120), wherein the two grabbing mechanisms (119) are sequentially arranged on the fixed plate (2) and located on one side of the detection mechanism (118) far away from the curing mechanism (117), each grabbing mechanism (119) comprises a grabbing bracket I (48), a grabbing bracket II (49), a grabbing cylinder I (50), a grabbing slide rail I (51), a grabbing bracket III (52), a grabbing slide rail II (53), a grabbing cylinder II (54), a grabbing clamping cylinder (55) and a grabbing block (56), the grabbing bracket I (48) is arranged on the fixed plate (2), the grabbing cylinder I (50) is arranged on one side of the upper end of the grabbing bracket I (48), and a cylinder push rod of the grabbing cylinder I (50) is connected with the grabbing bracket II (49), a grabbing slide rail I (51) is arranged on the grabbing support II (49), the grabbing slide rail I (51) is in sliding connection with the other side face of the upper end of the grabbing support I (48), the end part of the grabbing support II (49) is connected with a grabbing support III (52), a grabbing slide rail II (53) is arranged on the grabbing support III (52), the grabbing slide rail II (53) is in sliding connection with a grabbing cylinder II (54), a cylinder push rod at the lower end of the grabbing cylinder II (54) is connected with a grabbing clamping cylinder (55), and the lower end of the grabbing clamping cylinder (55) is connected with a grabbing block (56);

the plurality of push-up mechanisms (120) are arranged below the edge of the rotating disc (1) and at positions where the clamping mechanisms (114) need to be opened, each push-up mechanism (120) comprises a push-up cylinder (57) and a push-up plate (58), and a cylinder push rod at the upper end of the push-up cylinder (57) is connected with the push-up plate (58).

5. The automatic bonding apparatus of connecting pipes according to claim 1, wherein the execution unit further comprises an alignment mechanism (121), the alignment mechanism (121) is disposed on the fixed disk (2) and located on a side of the dispensing mechanism (115) away from the gripping mechanism (116), the alignment mechanism comprises an alignment cylinder (30), an alignment baffle (31), and an alignment sensor (32), a cylinder push rod of the alignment cylinder (30) is connected with the alignment baffle (31), and 2 alignment sensors (32) are disposed on an upper side of the alignment baffle (31).

6. The automatic bonding apparatus of connecting pipes according to claim 1, wherein the driving unit comprises a base plate (59), and a rotational driving assembly and a rotational assembly disposed on the base plate (59), the rotational driving assembly comprises a rotational driving motor (60), a rotational driving reducer (61), a synchronous pulley I (62), a synchronous belt (63), and a synchronous pulley II (64), the rotational assembly comprises a rotational shaft (65), a rotational support I (66), a rotational support II (67), a helical gear I (68), a pillar (69), and a helical gear II (70), the rotational driving motor (60) is connected to the rotational driving reducer (61), the rotational driving reducer (61) is connected to the synchronous pulley I (62), the synchronous belt (63) is sleeved on the synchronous pulley I (62) and the synchronous pulley II (64), the synchronous pulley II (64) is fixedly connected to one end of the rotational shaft (65), the rotating shaft (65) is rotatably connected with the rotating support I (66) and the rotating support II (67), the rotating support I (66) and the rotating support II (67) are arranged on the base plate (59), the other end of the rotating shaft (65) is fixedly connected with the helical gear I (68), the helical gear II (70) is rotatably connected to the upper end of the support column (69), the helical gear I (68) is meshed with the helical gear II (70), and the helical gear II (70) is fixedly connected with the rotating disc (1);

the control unit comprises a control machine (71) and a foot switch (72), the control machine (71) is connected with the driving unit and the execution unit respectively, and the foot switch (72) controls the start and stop of the control machine (71).

7. The automatic bonding apparatus of connection pipes according to claim 1, wherein a fixed plate sensor (73) is provided at the edge of the fixed plate (2), a plurality of blocks (74) are provided on the upper surface of the rotating plate (1), and the size of the circumference surrounded by the plurality of blocks (74) is close to the size of the fixed plate (2); a plurality of fixing struts (75) are arranged on the periphery of the fixing disc (2), and the upper end heads of the fixing struts (75) are fixedly connected with the fixing disc (2).