CN114193701B

CN114193701B - Production method and production system of mesh cloth filter assembly

Info

Publication number: CN114193701B
Application number: CN202111450897.4A
Authority: CN
Inventors: 范艇海
Original assignee: ZHUHAI YINGCHENG ELECTRONIC TECHNOLOGY CO LTD
Current assignee: ZHUHAI YINGCHENG ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2024-02-20
Anticipated expiration: 2041-11-30
Also published as: CN114193701A

Abstract

The invention provides a production method and a production system of a mesh cloth filter assembly, wherein the production method comprises the following steps: the net cloth is sleeved outside the insert by using the jig, the insert is provided with at least two magnet accommodating grooves, and the two magnet accommodating grooves are spaced by a first preset distance; placing the insert with the mesh cloth on a positioning seat for pre-positioning; placing the insert with the mesh cloth into an injection mold through an automatic feeding and discharging mechanism to perform one-shot injection; supplying the magnet pieces one by one through a feed bin feeding assembly, sequentially sucking the two magnet pieces through a magnetic suction assembly and respectively placing the two magnet pieces into corresponding magnet positioning holes in a magnet positioning assembly, wherein a second preset distance is arranged between the two magnet positioning holes, and the second preset distance is equal to the first preset distance; simultaneously sucking up the magnet pieces in the two magnet positioning holes through an automatic feeding and discharging mechanism, and placing the magnet pieces into a magnet accommodating groove of an insert in an injection mold to perform two-color injection molding; and taking out the workpiece through an automatic feeding and discharging mechanism. The invention has the advantages of high production efficiency and good quality.

Description

Production method and production system of mesh cloth filter assembly

Technical Field

The invention relates to the field of injection molding production, in particular to a production method and a production system of a mesh cloth filter assembly.

Background

The dust collector comprises a mesh filtering component, as shown in fig. 1 and 2, which comprises an annular mesh, a first plastic ring, a second plastic ring, a third plastic ring and two magnet pieces. The annular mesh cloth is cotton cloth with filtering holes, the texture of the annular mesh cloth is soft, the first plastic ring and the second plastic ring are respectively arranged at the upper end and the lower end of the annular mesh cloth in the axial direction, the first plastic ring and the second plastic ring are the same in material and color, and the third plastic ring is arranged on the inner side of the first plastic ring and fixedly connected with the first plastic ring. The inboard of first plastic ring is provided with two mounting holes, and two mounting holes set up relatively, and magnet spare sets up in the mounting hole and links firmly between first plastic ring and third plastic ring.

The existing production method of the mesh filter assembly generally bonds the plastic ring and the annular mesh manually through glue. Because the annular mesh cloth material is softer, it is difficult to guarantee that the annular mesh cloth does not wrinkle when bonding, in case the annular mesh cloth is wrinkled just hardly links firmly the annular mesh cloth with the whole week wall of plastic ring, leads to having the perforation between annular mesh cloth and the plastic ring, leads to the product inequality. Therefore, there is an urgent need to develop a two-shot injection molding production method of a mesh cloth filter assembly with high productivity.

Disclosure of Invention

The first object of the invention is to provide a production method of a mesh cloth filter assembly with high production efficiency and good quality.

A second object of the present invention is to provide a production system for injection molding production using the above production method.

In order to achieve the first object, the present invention provides a method for producing a mesh filtering assembly, comprising the following steps:

mounting the insert on the jig and sleeving the net cloth on the outer side of the insert, so that the net cloth is tightly supported and fixed by the insert, the insert is provided with a fool-proof part and at least two magnet containing grooves, the fool-proof part is positioned on the inner side of the insert, and the two magnet containing grooves are positioned at the end part of the same end of the insert and are spaced by a first preset distance;

placing the insert with the mesh on a positioning seat of a feeding table assembly for pre-positioning, wherein the positioning seat is provided with a plane part which is in fit connection with the fool-proof part;

the insert with the mesh cloth is grabbed from the positioning seat through the automatic feeding and discharging mechanism and is placed into an injection mold to be subjected to one-shot injection;

supplying the magnet pieces one by one through a feed bin feeding assembly, sequentially sucking the two magnet pieces through a magnetic suction assembly and respectively placing the two magnet pieces into corresponding magnet positioning holes in a magnet positioning assembly, wherein a second preset distance is arranged between the two magnet positioning holes, and the second preset distance is equal to the first preset distance;

simultaneously sucking up the magnet pieces in the two magnet positioning holes through an automatic feeding and discharging mechanism, putting the magnet pieces into a magnet accommodating groove of an insert in an injection mold, and then performing two-color injection molding;

and the workpiece is taken out through an automatic feeding and discharging mechanism, and comprises a product and an insert.

According to the scheme, the jig is arranged, so that the mesh cloth can be conveniently and rapidly sleeved on the outer side of the insert, and the working efficiency is improved; the insert is arranged, so that the fixed mesh cloth is supported and fastened from inside to outside, the soft mesh cloth is prevented from deforming in the injection molding process, the injection molding effect is influenced, and the injection molding quality is improved; the flat part is arranged on the positioning seat and is used for being matched with the foolproof part of the insert to realize the pre-positioning, so that the insert can be kept in the same direction when being fed each time, the insert can be matched with a cavity in a die conveniently, and the subsequent placement of a magnet piece is facilitated; the automatic feeding and discharging mechanism is beneficial to realizing the automatic feeding of the inserts, the automatic feeding of the magnet pieces and the automatic discharging of the workpieces, and is beneficial to realizing automatic production, and the production efficiency is greatly improved.

The magnetic lifting driving device drives the magnetic lifting seat to move along the Z direction, the magnetic protection sleeve, the magnetic suction rod and the magnetic suction rod lifting driving device are arranged on the magnetic lifting seat, the magnetic suction protection sleeve is penetratingly provided with a perforation, the magnetic suction rod is movably inserted into the perforation, the magnetic suction rod lifting driving device drives the magnetic suction rod to extend out of or retract into the perforation, and the magnetic suction rod is made of a magnetic material; the magnetic suction rod sucks up the magnet piece supplied by the feed bin feeding assembly and places the magnet piece into the corresponding magnet positioning hole.

The magnet positioning assembly comprises a magnet positioning plate, a magnet jacking driving device and at least two magnet jacking rods, wherein the magnet positioning plate is provided with at least two magnet positioning holes, the magnet positioning holes penetrate through the thickness direction of the magnet positioning plate, the magnet jacking rods are movably inserted into the corresponding magnet positioning holes, and the magnet jacking driving device drives the magnet jacking rods to move up and down in the magnet positioning holes; the magnet jacking rod jacks up the magnet piece in the magnet positioning hole.

The automatic feeding and discharging mechanism comprises a connecting mounting seat, a first feeding assembly, a second feeding assembly and a discharging assembly, wherein the first feeding assembly is arranged on a first side of the connecting mounting seat, and the second feeding assembly and the discharging assembly are both arranged on a second side of the connecting mounting seat; the first feeding assembly comprises a first mounting plate, a second mounting plate, a positioning sleeve, a magnetic suction cylinder, a push rod and a jacking driving assembly, wherein the jacking driving assembly is connected between the first mounting plate and the second mounting plate; the magnetic suction cylinder is connected with the magnet piece jacked by the magnet jacking rod in a magnetic suction way, and the ejector rod can push the magnet piece to be separated from the magnetic suction cylinder and enter the magnet accommodating groove of the insert; the second material loading subassembly includes first clamping component, and the unloading subassembly includes second clamping component, and second clamping component and first clamping component all stretch out to the direction of keeping away from the connection mount pad, and second clamping component and first clamping component are used for taking the unloading of the material loading and the work piece of screen cloth mold insert respectively.

Further, the production method further comprises the following steps: after the workpiece is taken out by the automatic feeding and discharging mechanism, the product is separated from the insert by the ejection assembly; the jacking component comprises a jacking sliding seat, a jacking driving device, a jacking piece and a clamping fixing component, wherein the jacking driving device is arranged on the jacking sliding seat, the clamping fixing component is arranged below the jacking sliding seat, the jacking piece is arranged between the jacking sliding seat and the clamping fixing component, the jacking driving device drives the jacking piece to move towards a clamping opening of the clamping fixing component, the diameter of the jacking piece is larger than the inner diameter of the insert, and the diameter of the jacking piece is smaller than the inner diameter of a product.

The jig comprises a first guide seat and a second guide seat, wherein the insert is detachably arranged between the first guide seat and the second guide seat, and the first guide seat, the second guide seat and the insert are coaxially arranged; the outer peripheral wall of the first guide seat is provided with a first inclined surface which gradually expands outwards along the axial direction of the first guide seat towards the direction of the insert, and the outer peripheral wall of the second guide seat is provided with a second inclined surface which gradually expands outwards along the axial direction of the second guide seat towards the direction of the insert; the screen cloth is sleeved on the insert from one end of the first guide seat, or the screen cloth is sleeved on the insert from one end of the second guide seat.

In order to achieve the second object, the production system provided by the invention comprises a mesh, a jig, an insert, an injection mold, a workbench, an automatic magnet positioning and feeding mechanism, an automatic feeding and discharging mechanism and an insert feeding and product removing insert mechanism, wherein the mesh is sleeved outside the insert through the jig, the mesh and the insert are arranged in the injection mold, the workbench is arranged on one side of the injection mold, the insert feeding and product removing insert mechanism and the automatic magnet positioning and feeding mechanism are arranged on the workbench, the automatic feeding and discharging mechanism moves back and forth between the workbench and the injection mold, and the production system performs injection molding production according to the production method.

Drawings

Fig. 1 is a block diagram of a first view of a product produced using an embodiment of the present invention.

Fig. 2 is a block diagram of a second view of a product produced using an embodiment of the present invention.

Fig. 3 is an exploded view of a first view of a web-fed insert according to an embodiment of the present invention.

Fig. 4 is an exploded view of a second view of a web-fed insert according to an embodiment of the present invention.

Fig. 5 is a side view of a web-fed insert in accordance with an embodiment of the present invention.

Fig. 6 is a cross-sectional view at A-A in fig. 5.

Fig. 7 is an enlarged view at B in fig. 6.

Fig. 8 is a block diagram of a first view angle of an automatic loading and unloading mechanism in an embodiment of the present invention.

Fig. 9 is a structural diagram of a second view angle of an automatic loading and unloading mechanism in an embodiment of the present invention.

Fig. 10 is a side view of an automatic loading and unloading mechanism in an embodiment of the invention.

Fig. 11 is a cross-sectional view at C-C in fig. 10.

Fig. 12 is an enlarged view at D in fig. 11.

Fig. 13 is a top view of a second loading assembly in an embodiment of the invention.

Fig. 14 is a cross-sectional view at E-E in fig. 13.

Fig. 15 is an enlarged view at F in fig. 14.

Fig. 16 is a block diagram of an insert loading and product insert removal mechanism in an embodiment of the invention.

Fig. 17 is an enlarged view at G in fig. 16.

Fig. 18 is a block diagram of a jacking assembly in an embodiment of the invention.

Fig. 19 is a block diagram of an automatic magnet positioning and feeding mechanism in an embodiment of the present invention.

FIG. 20 is a block diagram of a bin feeding assembly in an embodiment of the invention.

FIG. 21 is a cross-sectional view of a bin feeding assembly in an embodiment of the invention.

Fig. 22 is an enlarged view at H in fig. 21.

Fig. 23 is a block diagram of a magnetic assembly in an embodiment of the invention.

Fig. 24 is a cross-sectional view of a magnetic attraction assembly in an embodiment of the invention.

Fig. 25 is an enlarged view of fig. 24 at I.

Figure 26 is a block diagram of a magnet positioning assembly in accordance with an embodiment of the present invention.

Figure 27 is a top view of a magnet positioning assembly in accordance with an embodiment of the present invention.

Fig. 28 is a cross-sectional view at J-J in fig. 27.

The invention is further described below with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 and 2, the product to be produced in this embodiment is a mesh filter assembly 1 of a vacuum cleaner, and the mesh filter assembly 1 includes a mesh 11, a first plastic ring 12, a second plastic ring 13, a third plastic ring 14, and two magnet members 15. The mesh 11 is an annular filter mesh with filter holes, the texture of the filter mesh is soft, the first plastic ring 12 and the second plastic ring 13 are respectively arranged at the upper end and the lower end of the axial direction of the mesh 11, and the materials and the colors of the first plastic ring 12 and the second plastic ring 13 are the same. The third plastic ring 14 is disposed inside the first plastic ring 12 and is fixedly connected to the first plastic ring 12, and the color of the third plastic ring 14 is different from that of the first plastic ring 12. The inner side of the first plastic ring 12 is provided with two mounting holes 121 along the axial direction thereof, the two mounting holes 121 are oppositely arranged, preferably symmetrically arranged with the center line of the first plastic ring 12, and the magnet piece 15 is arranged in the mounting hole 121 and fixedly connected between the first plastic ring 12 and the third plastic ring 14. The first plastic ring 12, the second plastic ring 13 and the mesh 11 can be obtained by one-shot injection molding, namely, a semi-finished workpiece 10 is obtained, and then a third plastic ring 14 is injection molded on the semi-finished workpiece 10 through a two-shot injection mold, so that a finished workpiece is finally obtained: a mesh cloth filter assembly 1.

Referring to fig. 3 to 28, this embodiment provides a production system for automatically producing a mesh filter assembly, the production system includes a mesh, a mesh lead-in insert jig 2, an automatic feeding and discharging mechanism 3, an insert feeding and product removing insert mechanism 4, a magnet automatic positioning feeding mechanism 5 and an injection mold, wherein the insert feeding and product removing insert mechanism 4 and the magnet automatic positioning feeding mechanism 5 are both arranged on a workbench, and the automatic feeding and discharging mechanism 3 moves back and forth between the injection mold and the workbench. The mesh cloth 11 is quickly sleeved on the outer side of the insert 23 through the mesh cloth leading-in insert jig 2. The automatic feeding and discharging mechanism 3 is used for placing the inserts 23 with the mesh cloth 11 into an injection mold together, the automatic feeding and discharging mechanism 3 can also be used for placing the magnet pieces into a mold cavity after one-color injection molding, and the automatic feeding and discharging mechanism 3 is also used for taking out the workpieces after two-color injection molding, wherein the workpieces comprise products and inserts. The injection mold sequentially performs one-shot injection molding and two-shot injection molding. The insert feeding and product removing mechanism 4 is used for realizing the pre-positioning of the inserts and the pre-positioning of a plurality of magnet pieces, and is convenient for the feeding of the subsequent inserts and the magnet pieces.

In fig. 3 to 7, the jig 2 for insert for mesh cloth introduction provided in this embodiment includes a first introduction seat 21, a second introduction seat 22, and an insert 23, the insert 23 being detachably disposed between the first introduction seat 21 and the second introduction seat 22, the first introduction seat 21, the second introduction seat 22, and the insert 23 being coaxially disposed.

The outer peripheral wall of the first guide seat 21 is provided with a first inclined surface 211 along the circumferential direction of the first inclined surface 211, the first inclined surface 211 is a conical surface, the first inclined surface 211 gradually expands outwards along the axial direction of the first guide seat 21 towards the direction of the insert 23, and the mesh cloth 11 is conveniently and quickly sleeved on the first guide seat 21 and moves towards the insert 23.

The second introduction seat 22 is convexly provided with a protrusion 221 toward one end of the insert 23, the protrusion 221 is located at a middle portion of the second introduction seat 22, and the protrusion 221 is adapted to be coupled with an inner side of the insert 23. The protruding portion 221 is provided with a first fool-proof portion 2211 and a second fool-proof portion 2212, the first fool-proof portion 2211 and the second fool-proof portion 2212 are respectively located at two sides of the protruding portion 221 and are used for limiting rotation of the insert 23, in this embodiment, the first fool-proof portion 2211 and the second fool-proof portion 2212 are perpendicular to a radial plane of the protruding portion 221, and an area of the first fool-proof portion 2211 is larger than an area of the second fool-proof portion 2212.

The insert 23 is formed in a ring shape, a first end in the axial direction of the insert 23 is engaged with the first introduction seat 21, a second end in the axial direction of the insert 23 is sleeved outside the protruding portion 221, the outer peripheral wall of the insert 23 is exposed between the first introduction seat 21 and the second introduction seat 22, and in the radial direction of the insert 23, the outer peripheral wall of the insert 23 is recessed in the largest outer peripheral wall of the first introduction seat 21, so that the mesh cloth 11 introduced from the first introduction seat 21 can be smoothly sleeved outside the insert 23. At least two magnet receiving grooves 234 are provided at one end portion of the insert 23, and the two magnet receiving grooves 234 are disposed opposite to each other.

The inner side of the insert 23 is provided with a third fool-proof part 231 and a fourth fool-proof part 232, the third fool-proof part 231 is connected with the first fool-proof part 2211 in a matched manner, and the fourth fool-proof part 232 is connected with the second fool-proof part 2212 in a matched manner so as to limit the insert 23 to rotate relative to the first guide seat 21 and the second guide seat 22.

In order to achieve the engagement between the first introduction seat 21 and the insert 23, the first introduction seat 21 is provided with a flange portion 212 protruding near one end of the insert 23, and the flange portion 212 extends in the circumferential direction of the first introduction seat 21, that is, the flange portion 212 is formed in an annular shape. The first axial end of the insert 23 is provided with an annular clamping groove 233, and the clamping groove 233 is connected with the flange 212 in a matching manner, so that accidental separation of the clamping groove 233 and the flange is prevented.

In one embodiment, the outer peripheral wall of the second introduction seat 22 is provided with a second inclined surface 222 along its own circumferential direction, the second inclined surface 222 is provided as a conical surface, the second inclined surface 222 gradually expands outwardly in the axial direction of the second introduction seat 22 toward the direction in which the insert 23 is located, and the slope of the second inclined surface 222 is different from the slope of the first inclined surface 211. In the radial direction of the insert 23, the outer peripheral wall of the insert 23 is recessed from the largest outer peripheral wall of the second introduction seat 22. The mesh 11 in this embodiment can be sleeved outside the insert 23 from the upper part or the lower part of the jig 2.

In order to achieve positioning of the web 11 in the axial direction, the first introduction seat 21 is spaced from the second introduction seat 22 by a distance just equal to the length of the web. And the outer peripheral walls at the two axial ends of the insert 23 are provided with outer supporting parts 234, and the outer diameter of each outer supporting part 234 is larger than the outer diameter of the axial middle part of the insert 23. After the screen cloth 11 cover is established in the mold insert 23 outside, the both ends of screen cloth 11 are all strutted by outer support portion 234, avoid leading to the offset because of screen cloth 11 is soft on the one hand, on the other hand because the both ends of screen cloth 11 are strutted for more laminating between the tip of screen cloth 11 and the outer support portion 234, molten liquid gets into between screen cloth 11 tip and the outer support portion 234 when avoiding follow-up moulding plastics.

In order to facilitate the operation of the staff, the end of the second guiding seat 22 far away from the insert 23 is provided with a first plane supporting portion 223, and the first plane supporting portion 223 is perpendicular to the axial direction of the second guiding seat 22, so that the jig 2 of the embodiment can be stably placed on a table top, the mesh is conveniently sleeved on the front direction of the staff, and the positive direction here means that the mesh is sleeved on the insert 23 from the first guiding seat 21.

The end of the first guiding seat 21 far away from the insert 23 is provided with the second plane supporting part 213, and the second plane supporting part 213 and the first plane supporting part 223 are arranged in parallel, so that the jig 2 of the embodiment can be stably placed on a table top, and a worker can conveniently and reversely sleeve the mesh, and the reverse direction here means that the mesh is sleeved from the second guiding seat 22 to the insert 23.

In fig. 8 to 15, the automatic loading and unloading mechanism 3 includes a connection mount 31, a first loading assembly 32, a second loading assembly 33, and an unloading assembly 34. One end of the connection mounting seat 31 is connected with a manipulator, and the automatic feeding and discharging mechanism 3 is controlled by the manipulator to perform feeding and discharging actions. The first feeding component 32 is arranged at the first side of the connecting mounting seat 31 and is used for feeding the magnet piece 15; the second feeding assembly 33 and the blanking assembly 34 are both disposed on the second side of the connection mount 31 for feeding the insert 23 and removing the workpiece.

The first loading assembly 32 includes a first mounting plate 321, a third mounting plate 322, two second mounting plates 323, and four first buffer assemblies 325. The first mounting plate 321 is arranged on the connection mounting seat 31, the third mounting plate 322 is connected between the first mounting plate 321 and the connection mounting seat 31, the third mounting plate 322 is fixedly connected with the first mounting plate 321, and the third mounting plate 322 is connected with the connection mounting seat 31 through the first buffer component 325. The first buffer component 325 includes a connector 3251, a connecting seat 3252 and a bead screw 3253, the connecting seat 3252 and the bead screw 3253 are both arranged on the connecting mounting seat 31, a cavity is arranged in the connecting seat 3252, a steel ball of the bead screw 3253 stretches into the cavity in a telescopic manner, one end of the connector 3251 is fixedly connected to the third mounting plate 322, the other end of the connector 3251 stretches into the cavity, the connector 3251 is adjacent to the steel ball up and down, and the connector 3251 can move along the stretching direction of the steel ball. When the first feeding assembly 32 is controlled by the manipulator to perform the feeding action, the first mounting plate 321 can play a buffering role when contacting with the die.

The tip of first mounting panel 321 all protrudes outside the both sides of connection mount pad 31, and the both ends of first mounting panel 321 all are provided with the station that is used for the material loading magnet piece, and this station includes center post 35, two positioning sleeve 36, two magnetism suction tube 37, two ejector pins 38 and jacking drive assembly 39. The two second mounting plates 323 are respectively arranged below the end parts of the first mounting plate 321, and the jacking driving assembly 39 is connected between the first mounting plate 321 and the second mounting plate 323 and used for driving the second mounting plate 323 to approach or separate from the first mounting plate 321. The center post 35 and the two positioning sleeves 36 are each protruded from the first mounting plate 321, and the two positioning sleeves 36 are correspondingly disposed in the circumferential direction of the center post 35. The positioning sleeve 36 penetrates through the thickness direction of the first mounting plate 321, and the positioning sleeve 36 is provided with a first mounting groove 361 penetrating through the positioning sleeve in the axial direction. The magnetic suction tube 37 is made of a magnetic material and can be magnetically connected with the magnet 15. The magnetic suction tube 37 is disposed in the first mounting groove 361, and a receiving groove 362 is formed between the upper end of the magnetic suction tube 37 and the positioning sleeve 36, and a notch is provided at one end of the receiving groove 362 away from the second mounting plate 323 for the magnet 15 to enter and exit the receiving groove 362. The magnetic suction tube 37 is provided with a second mounting groove 371 penetrating along its own axial direction, and the second mounting groove 371 communicates with the accommodation groove 362. One end of the ejector rod 38 is fixedly connected to the second mounting plate 323, the other end of the ejector rod 38 is movably inserted into the second mounting groove 371, and the ejector rod 38 is made of a material without magnetism, namely, the ejector rod 38 is not magnetically attracted with the magnet 15. When the jacking driving unit 39 drives the second mounting plate 323 to move upward, the jacking rod 38 passes through the second mounting groove 371 and the receiving groove 362 and ejects the magnet piece 15 located in the receiving groove 362 from the notch.

The second feeding assembly 33 and the discharging assembly 34 are disposed in parallel on the second side of the connection mount 31. The second loading assembly 33 includes a fourth mounting plate 331, a loading lift driving assembly 332, and two first clamping assemblies 333. The fourth mounting plate 331 is disposed on the connection mounting seat 31, and the end portions of the fourth mounting plate 331 are protruded out of two sides of the connection mounting seat 31, and two first clamping assemblies 333 are disposed at two ends of the fourth mounting plate 331, where the first clamping assemblies 333 can perform clamping and releasing actions. The feeding jacking driving component 332 is connected between the fourth mounting plate 331 and the connection mounting seat 31, and the feeding jacking driving component 332 drives the fourth mounting plate 331 to approach or depart from the connection mounting seat 31.

The discharging assembly 34 includes a discharging mounting plate 341, a discharging buffer plate 342, two second clamping assemblies 343, and four second buffer assemblies 344. The unloading mounting panel 341 sets up on connecting the mount pad 31, and outside the both sides of the equal protrusion connection mount pad 31 of tip of unloading mounting panel 341, two second clamping components 343 set up respectively at the both ends of unloading mounting panel 341, and second clamping components 343 can carry out centre gripping and release action, and second clamping components 343 and first clamping components 333 all stretch out towards the direction of keeping away from connecting the mount pad 31. The unloading buffer board 342 sets up between unloading mounting panel 341 and connection mount pad 31, and unloading buffer board 342 links firmly with connection mount pad 31, and four second buffer components 344 are connected between unloading mounting panel 341 and unloading buffer board 342. The second buffer assembly 344 has the same structure and function as the first buffer assembly 325, and is not described herein.

In this embodiment, both the first clamping assembly 333 and the second clamping assembly 343 can be used to feed the insert 23 and the workpiece. In order to avoid collision, the second feeding assembly 33 is provided with a feeding jacking driving assembly 332 for driving the first clamping assembly 333 to move away from or close to the connection mount 31, so that the first clamping assembly 333 and the second clamping assembly 343 are at different heights, and collision with the mold during feeding or discharging is prevented.

Referring to fig. 16-18, the insert loading and product de-insert mechanism 4 includes a first gantry 41, a top de-insert assembly 42, and a loading table assembly 43. For convenience of explanation, the longitudinal direction of the first gantry is defined as the X direction, the thickness direction of the first gantry is defined as the Y direction, and the vertical direction is defined as the Z direction. The first gantry 41 is disposed extending in the X-direction, the top release assembly 42 is disposed on the first gantry 41 movably in the X-direction, and the loading table assembly 43 is disposed below the first gantry 41 movably in the Y-direction.

The jacking assembly 42 includes a jacking slide 421, a jacking driving device 422, a jacking lifting plate 423, a clamping fixture 426, two jacking members 424, and two clamping fixture assemblies 425. The jacking sliding seat 421 is movably disposed on the first portal frame 41 along the X direction, the jacking driving device 422 is disposed on the jacking sliding seat 421, the driving end of the jacking driving device 422 extends downwards, the jacking lifting plate 423 is fixedly connected to the driving end of the jacking driving device 422, the jacking lifting plate 423 extends along the X direction, and two jacking members 424 are respectively disposed at two ends of the jacking lifting plate 423. The clamping fixing seat 426 is fixedly connected with the jacking sliding seat 421, clamping fixing assemblies 425 are respectively arranged on two sides of the clamping fixing seat 426, the clamping fixing assemblies 425 are located below the jacking lifting plates 423, and the clamping fixing assemblies 425 clamp and fix products from the outer sides of the workpieces. The clamping and fixing assembly 425 includes a clamping driving device and two clamping blocks, wherein the two clamping blocks are oppositely arranged along the Y direction and form a clamping opening, the clamping opening is communicated up and down in the Z direction, and the clamping driving device controls the clamping opening to execute clamping or releasing actions.

The jacking driving device 422 drives the jacking lifting plate 423 to move along the Z direction, that is, the jacking lifting plate 423 moves up and down between the jacking sliding seat 421 and the clamping and fixing assembly 425, so that the jacking piece 424 moves towards the clamping opening of the clamping and fixing assembly 425. The top release member 424 is configured as a cylindrical structure, and the outer diameter of the top release member 424 is larger than the inner diameter of the insert 23 and smaller than the inner diameter of the product, so that the top release member 424 can independently push the insert 23 downward to move relative to the product.

The loading table assembly 43 includes a loading slide seat 431, a loading plate 432, a table lifting driving device 433, four guide rods 434, and four elastic members 435. The feeding sliding seat 431 is movably arranged along the Y direction, the feeding plate 432 is arranged on the feeding sliding seat 431 in an extending manner along the X direction, four guide rods 434 are connected between the feeding plate 432 and the feeding sliding seat 431, an elastic piece 435 is elastically abutted between the feeding plate 432 and the feeding sliding seat 431, the material platform lifting driving device 433 is arranged on the lower side of the feeding sliding seat 431, the driving end of the material platform lifting driving device 433 penetrates through the feeding sliding seat 431 to be connected with the feeding plate 432, and the material platform lifting driving device 433 drives the feeding plate 432 to move along the Z direction. The two ends of the feeding plate 432 are respectively provided with a positioning seat 436, the insert 23 with mesh cloth is sleeved on the positioning seat 436, and in addition, the workpiece after injection molding, namely the insert 23 with a product, can also be sleeved on the positioning seat 436.

The positioning seat 436 includes a first step portion 4361 and a second step portion 4362 that are disposed up and down, the diameter of the second step portion 4362 is smaller than that of the first step portion 4361, two sides of the second step portion 4362 are respectively provided with a first plane portion 43621 and a second plane portion 43622, the first plane portion 43621 and the second plane portion 43622 extend along the axial direction of the second step portion 4362, that is, the first plane portion 43621 and the second plane portion 43622 are both recessed in the peripheral wall of the second step portion 4362, the first plane portion 43621 is connected with the third fool-proof portion 231 of the insert 23 in a matching manner, and the second plane portion 43622 is connected with the fourth fool-proof portion 232 of the insert 23 in a matching manner. The first planar portion 43621 and the second planar portion 43622 are provided to restrict rotation of the insert 23 in the horizontal direction to ensure that the robot can grasp the insert 23 at the same angle and put into the injection mold at the same angle each time, achieving the pre-positioning of the insert 23.

Referring to fig. 19 to 28, the magnet automatic positioning feeding mechanism 5 comprises a second portal frame 51, a magnetic attraction assembly 52, a magnet positioning assembly 53 and a bin feeding assembly 54, wherein the second portal frame is arranged along the X direction, a whole plate seat 55 is arranged below the second portal frame 51, and the whole plate seat 55 can move back and forth along the Y direction. The plate seat 55 is in an L-shaped structure, and the plate seat 55 comprises a longitudinal arm 551 and a transverse arm 552, wherein the longitudinal arm 551 extends along the Y direction, and the transverse arm 552 extends along the X direction. The bin feeding assembly 54 is disposed on one end of the trailing arm 551, and the magnet positioning assembly 53 is disposed on the cross arm 552. The magnetic attraction assembly 52 is movably arranged on the second portal frame 51 along the X direction, namely, the bin feeding assembly 54 is arranged on one side of the magnet positioning assembly 53, and the bin feeding assembly 54 can move towards the magnetic attraction assembly 52.

The bin feeding assembly 54 comprises a bin 541, a feeding member 542, a feeding base 543, a feeding fixing seat 544, a feeding cover plate 545 and a feeding driving device 546, wherein the bin 541 is made of a non-magnetic material. The feeding fixing seat 544 and the feeding driving device 546 are arranged on the feeding base 543 along the Y direction, the feeding fixing seat 544 is provided with a sliding groove 5441 along the Y direction, a first end of the feeding member 542 is movably inserted into the sliding groove 5441, and a second end of the feeding member 542 is fixedly connected with the driving end of the feeding driving device 546, so that the feeding member 542 can move back and forth along the extending direction of the sliding groove 5441. The stock bin 541 is arranged on the feeding fixed seat 544 and is positioned at one end of the sliding groove 5441 close to the feeding driving device 546, the stock bin 541 is internally provided with a stock groove 5411 along the Z direction, the stock groove 5411 is communicated with the sliding groove 5441 and is positioned right above the feeding member 542, and the plurality of magnet members 15 are arranged in the stock groove 5411 in a straight line. The feeding cover plate 545 covers the middle part of the sliding groove 5441, and an opening 5442 communicated with the outside is arranged at one end of the sliding groove 5441 away from the feeding driving device 546. The feeding member 542 has a temporary storage groove 5421 formed at one end thereof away from the feeding driving device 546, and the temporary storage groove 5421 is recessed in the top wall of the feeding member 542.

The feeding driving device 546 drives the feeding member 542 to move along the extending direction of the sliding groove 5441, and when the temporary storage groove 5421 of the feeding member 542 is located right below the stock bin 541, the temporary storage groove 5421 is communicated with the stock groove 5411, so that the magnet member 15 can fall into the temporary storage groove 5421; when one end of the feeding member 542 moves below the opening 5442, the temporary storage groove 5421 is exposed in the opening 5442, facilitating the removal of the magnet member 15.

The bottom of the stock bin 541 is provided with a first cross slot 5412, the first cross slot 5412 being in communication with an end of the stock bin 5411, the first cross slot 5412 extending in the direction of movement of the feed member 542. The bottom surface of the feeding cover plate 545 is provided with a second transverse groove 5451, the second transverse groove 5451 extends along the moving direction of the feeding member 542, two ends of the second transverse groove 5451 are respectively communicated with the first transverse groove 5412 and the opening 5442, and the groove depth of the first transverse groove 5412 is equal to the groove depth of the second transverse groove 5451. In the Z direction, a preset distance is provided between the bottom of the temporary storage groove 5421 and the top of the first transverse groove 5412, that is, in the Z direction, the distance from the bottom of the temporary storage groove 5421 to the top of the first transverse groove 5412 is slightly greater than the height of one magnet piece 15 and less than the total height of two magnet pieces 15, so that only one magnet piece 15 can fall into the temporary storage groove 5421 each time, half of the magnet pieces 15 fall into the temporary storage groove 5421, and the other half of the magnet pieces 15 protrude out of the temporary storage groove 5421, thereby facilitating the subsequent magnet assembly 52 to absorb the magnet pieces 15. Specifically, the groove depth of the temporary storage groove 5421 is greater than or equal to half the height of the magnet piece 15.

The magnetic attraction assembly 52 includes a magnetic attraction lever 521, a magnetic attraction slide mount 522, a magnetic attraction lift mount 523, a magnetic attraction lift drive 524, a magnetic attraction protective sheath 525, and a magnetic attraction lever lift drive 526. The magnetic sliding seat 522 is slidably disposed on the second gantry 51 along the X direction, and the magnetic lifting seat 523 and the magnetic lifting driving device 524 are disposed on the magnetic sliding seat 522 along the Z direction, and the magnetic lifting driving device 524 drives the magnetic lifting seat 523 to move along the Z direction. The magnetic protection sleeve 525, the magnetic rod 521 and the magnetic rod lifting driving device 526 are arranged on the magnetic lifting seat 523 along the Z direction, a through hole 5251 is formed in the magnetic protection sleeve 525 in a penetrating manner along the Z direction, the magnetic rod 521 extends along the Z direction, a first end of the magnetic rod 521 is movably inserted into the through hole 5251, a second end of the magnetic rod 521 is fixedly connected with a driving end of the magnetic rod lifting driving device 526, the magnetic rod 521 is made of a magnetic material, and the magnetic rod lifting driving device 526 drives the magnetic rod 521 to extend out of or retract into the through hole 5251. The lower portion of the through hole 5251 is provided with a counterbore 5252, the counterbore 5252 is coaxially disposed with and communicates with the through hole 5251, the counterbore 5252 has a diameter larger than the diameter of the through hole 5251, and the counterbore 5252 is adapted to receive the magnet 15.

When the magnetic rod 521 extends out through the through hole 5251 and the enlarged hole 5252, it can be magnetically connected with the magnet 15 in the temporary storage slot 5421; when the magnetic rod 521 is retracted into the through hole 5251, the magnet 15 is driven to be at least partially embedded into the counterbore 5252, so as to prevent the magnet 15 from falling off due to accidental collision.

The magnet positioning assembly 53 includes a magnet fixing base 531 and a magnet positioning plate 532, and the magnet fixing base 531 and the magnet positioning plate 532 are disposed in parallel up and down. Both ends of the magnet holder 531 are provided with a magnet lifting plate 533, a magnet lifting driving device 534 and two magnet lifting bars 535. The magnet lifting plate 533 is suspended on the top plate of the magnet fixing seat 531, the magnet lifting driving device 534 is fixedly connected to the magnet lifting plate 533, the driving end of the magnet lifting driving device 534 is fixedly connected with the top plate of the magnet fixing seat 531, and the magnet lifting driving device 534 can drive the magnet lifting plate 533 to move up and down. The two magnet lifting rods 535 are disposed on the magnet lifting plate 533, the magnet positioning plate 532 is provided with two magnet positioning holes 5321, the magnet positioning holes 5321 penetrate through the thickness direction of the magnet positioning plate 532, and a second preset distance is provided between the two magnet positioning holes 5321 for pre-positioning the magnet 15 according to the product design requirement. The magnet positioning holes 5321 are correspondingly formed with the magnet lifting rods 535, the magnet lifting rods 535 penetrate through the top plate upwards and are movably inserted into the corresponding magnet positioning holes 5321, the magnet lifting rods 535 can move up and down in the magnet positioning holes 5321, and are used for lifting magnet pieces in the magnet positioning holes 5321 out of the magnet positioning holes 5321, so that a manipulator can conveniently take two magnet pieces 15 at the same time and keep the distance between the two magnet pieces 15 unchanged.

Production method examples

Referring to fig. 3 to 28, the present embodiment also provides a production method of the production system in the above embodiment, the production method including the steps of:

step one, the insert 23 is mounted on the jig 2, and the mesh cloth 11 is sleeved on the outer side of the insert 23, so that the mesh cloth 11 is tightly supported and fixed by the insert 23 from inside to outside. The jig 2 includes a first introduction seat 21 and a second introduction seat 22, and an insert 23 is detachably provided between the first introduction seat 21 and the second introduction seat 22, the first introduction seat 21, the second introduction seat 22, and the insert 23 being coaxially provided. The mesh 11 may be sleeved outside the insert 23 from one end of the first introduction seat 21, or the mesh 11 may be sleeved outside the insert 23 from one end of the second introduction seat 22.

Step two, the insert 23 with the mesh cloth 11 is placed on the positioning seat 436 of the feeding table assembly 43, the positioning seat 436 is provided with a first plane portion 43621 and a second plane portion 43622, the first plane portion 43621 is connected with the third fool-proof portion 231 in a matched manner, and the second plane portion 43622 is connected with the fourth fool-proof portion 232 in a matched manner, so that the pre-positioning of the insert 23 with the mesh cloth 11 is realized.

Step three, the insert 23 with the mesh cloth 11 is simultaneously grabbed from the two positioning seats 436 of the feeding table assembly 43 through the automatic feeding and discharging mechanism 3, and placed into an injection mold for one-shot injection, and two semi-finished workpieces 10 can be molded at one shot by one-shot injection.

The automatic feeding and discharging mechanism 3 comprises a connecting mounting seat 31, a first feeding assembly 32, a second feeding assembly 33 and a discharging assembly 34, wherein the first feeding assembly 32 is arranged on the first side of the connecting mounting seat 31, and the second feeding assembly 33 and the discharging assembly 34 are both arranged on the second side of the connecting mounting seat 31.

The second feeding component 33 comprises a first clamping component 333, the discharging component 34 comprises a second clamping component 343, the second clamping component 343 and the first clamping component 333 extend towards a direction far away from the connecting mounting seat 31, and the second clamping component 343 and the first clamping component 333 are respectively used for feeding the insert 23 with the screen cloth 11 and discharging a workpiece.

Step four, the magnet pieces 15 are supplied one by one through the bin feeding assembly 54, the four magnet pieces 15 are sequentially sucked up through the magnet suction assembly 52 and respectively placed into the corresponding magnet positioning holes 5321 in the two ends of the magnet positioning plate 532, a second preset distance is arranged between the two magnet positioning holes 5321 on the same end of the magnet positioning plate 532, and the second preset distance is equal to the first preset distance, namely, the two magnet pieces 15 are arranged according to the position requirements of the two magnet accommodating grooves 234 on the insert 23. The magnetic suction rod 521 of the magnetic suction assembly 52 can suck the magnet pieces 15 in the temporary storage groove 5421 of the bin feeding assembly 54, and put the magnet pieces 15 into the magnet positioning holes 5321, so as to realize the pre-positioning among the four magnet pieces 15.

And fifthly, the magnet pieces 15 in the four magnet positioning holes 5321 are simultaneously sucked up by the automatic feeding and discharging mechanism 3 and placed into the magnet accommodating grooves 234 of the two inserts 23 in the injection mold, in the process, the distance between the two adjacent magnet pieces 15 is kept unchanged, and then two-color injection molding is carried out, namely two workpieces can be molded at one time by two-color injection molding. The magnet lifting rod 535 of the first feeding component 32 lifts the magnet piece 15 in the magnet positioning hole 5321, and the magnetic suction cylinder 37 of the automatic feeding and discharging mechanism 3 is magnetically connected with the magnet piece 15; when the automatic feeding and discharging mechanism 3 controls one end of the first feeding component 32 to extend into the injection mold, the ejector rod 38 can push the magnet piece 15 to be separated from the magnetic suction cylinder 37 and enter the magnet accommodating groove 234 of the insert 23, so that automatic feeding of the magnet piece 15 is realized.

And step six, taking out a workpiece through the automatic feeding and discharging mechanism 3, wherein the workpiece comprises a product and an insert 23, and the product is fixedly connected to the outer side of the insert 23.

Step seven, after the workpiece is taken out by the automatic feeding and discharging mechanism 3, the product is separated from the insert 23 by the ejection assembly 42.

The diameter of the ejection member 424 of the ejection assembly 42 is larger than the inner diameter of the insert 23, and the diameter of the ejection member 424 is smaller than the inner diameter of the product, and the clamping and fixing assembly 425 clamps the product, so that the ejection member 424 can push the insert 23 to be separated from the product.

In the ejection process, in order to prevent the insert 23 from falling from a high position, the insert 23 may be sleeved on the positioning seat 436, that is, after the workpiece is taken out, the workpiece is prevented from being placed on the positioning seat 436 of the feeding table assembly 43, then the clamping and fixing assembly 425 clamps the product, and then the ejection member 424 pushes the insert 23 from top to bottom, so that the insert 23 and the positioning seat 436 both move downward, and separation of the product and the insert 23 is realized.

In summary, the jig is arranged, so that the screen cloth is conveniently and quickly sleeved on the outer side of the insert, and the working efficiency is improved; the insert is arranged, so that the fixed mesh cloth is supported and fastened from inside to outside, the soft mesh cloth is prevented from deforming in the injection molding process, the injection molding effect is influenced, and the injection molding quality is improved; the flat part is arranged on the positioning seat and is used for being matched with the foolproof part of the insert to realize the pre-positioning, so that the insert can be kept in the same direction when being fed each time, the insert can be matched with a cavity in a die conveniently, and the subsequent placement of a magnet piece is facilitated; the automatic feeding and discharging mechanism is beneficial to realizing the automatic feeding of the inserts, the automatic feeding of the magnet pieces and the automatic discharging of the workpieces, and is beneficial to realizing automatic production, and the production efficiency is greatly improved.

Finally, it should be emphasized that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, but rather that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the invention, and any modifications, equivalent substitutions, improvements, etc. are intended to be included within the scope of the present invention.

Claims

1. A method of producing a mesh filter assembly, comprising the steps of:

mounting an insert on a jig, sleeving a net cloth on the outer side of the insert, and tightly supporting and fixing the net cloth by the insert, wherein the insert is provided with a fool-proof part and at least two magnet containing grooves, the fool-proof part is positioned on the inner side of the insert, and the two magnet containing grooves are positioned at the end part of the same end of the insert and are spaced by a first preset distance;

placing an insert with screen cloth on a positioning seat of a feeding table assembly for pre-positioning, wherein the positioning seat is provided with a plane part, and the plane part is connected with the fool-proof part in a matching way;

the insert with the mesh cloth is grabbed from the positioning seat through an automatic feeding and discharging mechanism and is placed into an injection mold to be subjected to one-shot injection;

supplying magnetic pieces one by one through a feed bin feeding assembly, sequentially sucking two magnetic pieces through a magnetic sucking assembly and respectively placing the two magnetic pieces into corresponding magnet positioning holes in a magnet positioning assembly, wherein a second preset distance is arranged between the two magnet positioning holes, and the second preset distance is equal to the first preset distance;

simultaneously sucking up the magnet pieces in the two magnet positioning holes through the automatic feeding and discharging mechanism, putting the magnet pieces into a magnet accommodating groove of an insert in an injection mold, and then performing two-color injection molding;

and taking out the workpiece through the automatic feeding and discharging mechanism, wherein the workpiece comprises a product and an insert.

2. The production method according to claim 1, characterized in that:

the magnetic assembly comprises a magnetic rod, a magnetic sliding seat, a magnetic lifting driving device, a magnetic protective sleeve and a magnetic lifting driving device, wherein the magnetic lifting seat and the magnetic lifting driving device are both arranged on the magnetic sliding seat, the magnetic lifting driving device drives the magnetic lifting seat to move along the Z direction, the magnetic protective sleeve, the magnetic rod and the magnetic lifting driving device are all arranged on the magnetic lifting seat, the magnetic protective sleeve is provided with a through hole in a penetrating manner, the magnetic rod is movably inserted into the through hole, the magnetic lifting driving device drives the magnetic rod to extend out of or retract into the through hole, and the magnetic rod is made of a magnetic material;

the magnetic suction rod sucks the magnet piece supplied by the feed bin feeding assembly and places the magnet piece into the corresponding magnet positioning hole.

3. The production method according to claim 2, characterized in that:

the magnet positioning assembly comprises a magnet positioning plate, a magnet jacking driving device and at least two magnet jacking rods, wherein the magnet positioning plate is provided with at least two magnet positioning holes, the magnet positioning holes penetrate through the thickness direction of the magnet positioning plate, the magnet jacking rods are movably inserted into the corresponding magnet positioning holes, and the magnet jacking driving device drives the magnet jacking rods to move up and down in the magnet positioning holes;

the magnet jacking rod jacks up the magnet piece in the magnet positioning hole.

4. A production method according to claim 3, characterized in that:

the automatic feeding and discharging mechanism comprises a connecting mounting seat, a first feeding assembly, a second feeding assembly and a discharging assembly, wherein the first feeding assembly is arranged on a first side of the connecting mounting seat, and the second feeding assembly and the discharging assembly are both arranged on a second side of the connecting mounting seat;

the first feeding assembly comprises a first mounting plate, a second mounting plate, a positioning sleeve, a magnetic suction cylinder, a push rod and a jacking driving assembly, wherein the jacking driving assembly is connected between the first mounting plate and the second mounting plate, the positioning sleeve is arranged on the first mounting plate, the magnetic suction cylinder is arranged in the positioning sleeve, a containing groove is formed between the end part of the magnetic suction cylinder and the positioning sleeve, one end of the containing groove, far away from the second mounting plate, is provided with a notch, one end of the push rod is fixedly connected with the second mounting plate, the other end of the push rod is movably inserted into the magnetic suction cylinder, and the jacking driving assembly drives the push rod to penetrate through the containing groove and extend towards the notch;

the magnetic suction cylinder is connected with the magnet piece jacked by the magnet jacking rod in a magnetic suction way, and the ejector rod can push the magnet piece to be separated from the magnetic suction cylinder and enter the magnet accommodating groove of the insert;

the second feeding assembly comprises a first clamping assembly, the discharging assembly comprises a second clamping assembly, the second clamping assembly and the first clamping assembly are both extended away from the connecting installation seat, and the second clamping assembly and the first clamping assembly are respectively used for feeding the insert with the mesh cloth and discharging the workpiece.

5. The production method according to any one of claims 1 to 4, wherein:

the production method further comprises the following steps: after the workpiece is taken out by the automatic feeding and discharging mechanism, the product is separated from the insert by a jacking component;

the jacking component comprises a jacking sliding seat, a jacking driving device, a jacking piece and a clamping fixing component, wherein the jacking driving device is arranged on the jacking sliding seat, the clamping fixing component is arranged below the jacking sliding seat, the jacking piece is arranged between the jacking sliding seat and the clamping fixing component, the jacking driving device drives the jacking piece to move towards a clamping opening of the clamping fixing component, the diameter of the jacking piece is larger than the inner diameter of the insert, and the diameter of the jacking piece is smaller than the inner diameter of the product.

6. The production method according to any one of claims 1 to 4, wherein:

the jig comprises a first guide seat and a second guide seat, the insert is detachably arranged between the first guide seat and the second guide seat, and the first guide seat, the second guide seat and the insert are coaxially arranged;

the outer peripheral wall of the first guide seat is provided with a first inclined surface which gradually expands outwards along the axial direction of the first guide seat towards the direction of the insert, and the outer peripheral wall of the second guide seat is provided with a second inclined surface which gradually expands outwards along the axial direction of the second guide seat towards the direction of the insert;

the mesh is sleeved on the insert from one end of the first guide seat, or sleeved on the insert from one end of the second guide seat.

7. The production system is characterized in that: the automatic feeding and discharging mechanism comprises a screen cloth, a jig, an insert, an injection mold, a workbench, an automatic magnet positioning and feeding mechanism, an automatic feeding and discharging mechanism, an insert feeding and product insert removing mechanism, wherein the screen cloth is sleeved outside the insert through the jig, the screen cloth and the insert are arranged in the injection mold, the workbench is arranged on one side of the injection mold, the insert feeding and product insert removing mechanism and the automatic magnet positioning and feeding mechanism are all arranged on the workbench, the automatic feeding and discharging mechanism moves back and forth between the workbench and the injection mold, and the production system performs injection molding production according to the production method of any one of claims 1 to 6.