CN111688101B - Multi-insert shell automatic machining device and machining method thereof - Google Patents

Abstract

The application discloses an automatic machining device for a multi-insert shell, which comprises a grabbing paw, a split pin clamping and positioning tool and a split pin punching device, wherein the grabbing paw is used for grabbing a split pin to an injection molding machine to complete injection molding, and grabbing a multi-insert shell finished product subjected to injection molding to the split pin punching device; the split pin clamping and positioning tool is used for placing the split pins and facilitating the grabbing of the grabbing claws; the pin punching device is used for punching and cutting the multi-insert shell. The multi-insert shell automatic processing device and the method thereof have the advantages that the positioning precision is high, the automatic feeding and discharging of the piecing needles are realized, and meanwhile, the time for manual feeding and discharging is reduced.

Description

Multi-insert shell automatic machining device and machining method thereof

Technical Field

The application relates to the field of automatic feeding and discharging, in particular to an automatic machining device and a machining method for a multi-insert shell.

Background

In the prior art, a multi-insert shell is an important component of an automobile electronic water pump and plays roles in connection and protection. The multi-insert shell is formed by combining a shell body and 10 scattered split pins, the split pin surfaces can be welded with an ECU (electronic control unit), and the multi-insert shell has higher requirements on precision. Most of the existing factories and merchants use manpower to carry out feeding and discharging work of multi-insert shell processing, workers need to put the split pins into the die one by one, and therefore the method is time-consuming and labor-consuming, and errors in precision are easy to occur. With the development of the times, the technological level is continuously improved, the requirements on the precision of industrial products are also continuously improved, and the requirements on the increasingly improved yield rate cannot be met obviously by using manpower. Due to the characteristics of the split pins in the multi-insert shell, 10 pins are inserted into a mold for injection molding at one time, and the requirement on precision is high. Most of the existing factories use manpower to carry out the feeding and discharging work of the contact pins, so that the time and the labor are consumed, the error in precision is easy to occur, and the processing efficiency of the multi-insert shell is influenced.

Disclosure of Invention

The invention aims to provide an automatic machining device and a machining method for a multi-insert shell, which are used for overcoming the defects in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the embodiment of the application discloses an automatic processing device for a multi-insert shell, which comprises a grabbing paw, a split pin clamping and positioning tool and a split pin punching device, wherein the grabbing paw is used for grabbing a split pin to an injection molding machine to complete injection molding, and grabbing a multi-insert shell finished product which is completed injection molding to the split pin punching device; the split pin clamping and positioning tool is used for placing the split pins and facilitating the grabbing of the grabbing claws; the pin punching device is used for punching and cutting the multi-insert shell.

Preferably, the grabbing claws comprise split pin grabbing claws, finished product grabbing claws and flanges, and the grabbing claws and the finished product grabbing claws are connected through the flanges.

Preferably, the split pin grabbing paw comprises a cylinder seat, a positioning plate, a connecting rod and a miniature clamping finger, the miniature clamping finger is connected to the cylinder seat through a bolt, and the cylinder seat and the positioning plate are fixedly connected through the connecting rod.

Preferably, a die placing positioning pin, a pin splicing positioning pin and a pin splicing grabbing positioning pin are arranged in the positioning plate.

Preferably, the number of the micro clamping fingers is three, the micro clamping fingers comprise connecting bodies and fingers, and the fingers are connected with the connecting bodies through bolts.

Preferably, the pin assembling, clamping and positioning tool comprises die placing and positioning holes and pin assembling placing grooves which are symmetrically arranged;

preferably, the piecing needle punching positioning device comprises a protective cover, a press, a punching table and a welding table, wherein the press is fixed on the welding table through bolts, and the punching table is arranged on the welding table and located below the press.

Preferably, the punching platform comprises a positioning middle plate, a die bottom plate, a sliding groove and a micro cylinder, the positioning middle plate is connected with the die bottom plate through a bolt, the die bottom plate is connected with the sliding groove in a sliding mode, limiting blocks are arranged in the front of and behind the sliding groove, and the micro cylinder is connected with the die bottom plate through a connecting block.

Preferably, the press comprises a cylinder, an upper middle plate, a lower middle plate, a connecting rod, a bottom plate and a stamping tool; the upper middle plate and the bottom plate are connected with a connecting rod through bolts, and the connecting rod is connected with the lower middle plate in a sliding manner; the lower middle plate is connected with a cylinder shaft; the stamping tool is connected with the lower middle plate through a connecting plate, and the air cylinder is fixedly installed on the upper middle plate.

An automatic processing method of a multi-insert shell comprises the following steps: the method comprises the following steps: combining 10 sections of the zero scattered split pins into 1 section, and placing the 1 section in a split pin clamping and positioning tool;

step two: the split pin grabbing paw clamps a split pin clamping and positioning tool, the split pin clamping and positioning tool moves to a specified position of an injection molding machine, when the injection molding machine finishes partial injection molding of a shell, the split pins are inserted into the shell for injection molding;

step three: a finished product grabbing paw grabs the multi-insert shell product from the injection molding machine and moves the multi-insert shell product to the pin punching device;

step four: the splicing needle punching device completes the splicing needle punching processing.

Compared with the prior art, the multi-insert shell automatic processing device and the method thereof have the advantages that the positioning precision is high, automatic loading and unloading of the split pins are achieved, and meanwhile, the time for manual loading and unloading is shortened.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a grabbing hand-grasping structure of an automatic processing device for a multi-insert shell according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a construction of a competing grasping hand of the automatic processing device of the multiple-insert housing according to the embodiment of the present invention;

FIG. 3 is a schematic diagram of a construction of a competing grasping hand of the automatic processing device of the multiple-insert housing according to the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a micro finger gripped by a pin gripping hand of the automatic processing device of the multi-insert housing according to the embodiment of the present invention;

FIG. 5 is a schematic structural view of a micro finger gripped by a pin gripping hand of the automatic processing device of the multi-insert housing according to the embodiment of the present invention;

FIG. 6 is a schematic illustration of the pin assembly of the automatic processing device for multiple insert housings in an embodiment of the present invention;

FIG. 7 is a schematic diagram of a positioning plate of an automatic processing device for a multiple-insert housing according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a pin alignment device of an automatic processing device for a multi-insert housing according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a positioning device for placing a pin of an automatic processing device of a multi-insert housing according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a pin punching apparatus of an automatic processing apparatus for a multi-insert housing according to an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of a stitch punching table of an automatic processing device for a multi-insert housing according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a punching mechanism of an automatic processing device for a multi-insert housing according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1-10, the embodiment of the present application discloses an automatic processing device for a multi-insert housing,

the method comprises a grabbing hand grab, a needle splicing clamping and positioning tool 200 and a needle splicing punching device 300. The grabbing paw comprises a finished product grabbing paw 000, a flange 001 and a split joint grabbing paw 100, wherein the split joint grabbing paw 100 and the finished product grabbing paw 000 are connected through the flange 001.

The pin grabbing paw 100 comprises a cylinder seat 101, a positioning plate 102, four connecting rods 103, three miniature clamping fingers 104 and a plug pin 105, wherein the plug pin 105 comprises a mold placing positioning pin 108, a pin positioning pin 109 and a pin grabbing positioning pin 110 which are all arranged in the positioning plate 102; the three micro clamping fingers 104 are respectively connected to the cylinder block 101 by bolts, and the cylinder block 101 and the positioning plate 102 are fixed on the 4 connecting rods 103 by bolts and connected by the connecting rods 103 to form a final assembly.

The micro clamping finger 104 comprises a connecting body 106 and a finger 107, wherein the finger 107 is connected with the connecting body 106 through a bolt; fig. 4 and 5 show two finger structures for different stitch positions. As shown in fig. 6, the split pin structure is a structure after being punched by the split pin punching apparatus 300; the pin splicing structure is divided into three combined structures, namely a first combined section 401, a second combined section 402 and a third combined section 403. The micro clamping finger shown in fig. 4 has a wider stroke for clamping the first combined segment 401 due to clamping the second combined segment 402 and the third combined segment 403, as shown in fig. 5.

As shown in FIG. 7, the alignment plate 102 has alignment pins 109 to ensure the consistency of the picked pin so that the pin will not shift during and after the pick. The split pin grabbing positioning pin 110 and the die placing positioning pin 108 can ensure the precision of repeated grabbing of the paw.

As shown in fig. 8-9, the pin-splicing clamping and positioning tool 200 is made of an aluminum alloy material, and includes 2 mold-placing positioning holes 201, a first pin-splicing placing slot 202, a second pin-splicing placing slot 203, and a third pin-splicing placing slot 204, where the first pin-splicing placing slot 202 corresponds to a pin-splicing position of a first assembly section 401, the second pin-splicing placing slot 203 corresponds to a pin-splicing position of a second assembly section 402, the third pin-splicing placing slot 204 corresponds to a pin-splicing position of a third assembly section 403, and the mold-placing positioning holes 201 ensure the consistency of pin-splicing in the mold at each time.

As shown in fig. 10, the pin punching apparatus 300 includes a cover 301, a press 302, a punching table 303 and a welding table 304, the press 302 is integrally fixed on the welding table 304 by nuts, and four corners of the cover 301 are connected to the welding table 304 by nuts. The cover 301 is made of 11 square aluminum profiles with the side length of 40mm, holes are respectively punched in corresponding positions to meet the matching of bolts and nuts, the aluminum profiles are fixed through sliding hinges, and aluminum plastic plates are inserted into the peripheral frames to play a good role in protecting internal equipment; the welding table 304 integrally uses a 50mm square pipe and is respectively punched at corresponding positions to meet the matching of bolts and nuts, the rectangular steel plate is continuously welded, and the welding table 304 is integrally welded on the square pipe surface to ensure the overall stability of the welding table.

As shown in fig. 11, the punching stage 303 includes a positioning middle plate 305, a die base plate 306, a sliding groove 307, and a micro cylinder 308, wherein the positioning middle plate 305 and the die base plate 306 are connected by a nut, and both are connected with the sliding groove 307 by a sliding block; the front and the back of the two sliding grooves 307 are respectively provided with a stop block for limiting the sliding stroke of the die bottom plate 306; the micro-cylinder 308 is connected to the mold base 306 through a connecting block, and provides power to move the positioning middle plate 305 and the mold base 306.

As shown in fig. 12, the press 302 includes a cylinder 309, an upper middle plate 310, a lower middle plate 311, a connecting rod 312, a bottom plate 313, and a press 314; the two middle plates, namely an upper middle plate 310, a lower middle plate 311 and a bottom plate 313, are connected through four connecting rods 312, the upper middle plate 310 and the bottom plate 313 are respectively fixed on the connecting rods 312 through four bolts, and the connecting rods 312 are in sliding fit with the lower middle plate 311; the lower middle plate 311 is connected with a cylinder shaft through a nut and transmits power of a cylinder; the punch 314 is connected to the lower middle plate 311 by a connecting plate, and the entire cylinder 309 is fixed to the upper middle plate 310 by a nut.

An automatic processing method of a multi-insert shell comprises the following steps: the method comprises the following steps: combining 10 sections of the zero scattered split pins into 1 section, and placing the 1 section in a split pin clamping and positioning tool;

in the technical scheme, firstly, a split pin part mould is adjusted, split pins are combined before finished product injection molding, 10 sections of zero-scattered split pins are combined into 1 section, and then the combined split pins are manually placed in a first split pin placing slot 202, a second split pin placing slot 203 and a third split pin placing slot 204 of a split pin clamping and positioning tool 200.

Step two: the split pin grabbing paw clamps a split pin clamping and positioning tool, the split pin clamping and positioning tool moves to a specified position of an injection molding machine, when the injection molding machine finishes partial injection molding of a shell, the split pins are inserted into the shell for injection molding;

in the technical scheme, when the split pin grabbing hand claw 100 grabs the split pins, the split pin grabbing hand claw 100 moves to an appointed clamping position, the split pin grabbing hand claw 100 is inserted into the split pin clamping and positioning tool 200, the mold placing positioning pin 108 and the split pin grabbing positioning pin 110 are aligned to corresponding slots of the split pin clamping and positioning tool 200, the positioning plate 102 and the split pin clamping and positioning tool 200 complete fitting, and then the three clamping fingers 104 respectively clamp three sections of split pins under the action of the split pin grabbing hand claw 100. After the clamping is completed, the split pins are grabbed by the split pin grabbing paw 100 to leave the jig, the robot moves the split pins to the placement position, the fingers 104 loosen the split pins, the split pins are placed on the designated clamp position of the injection molding machine, and the preliminary feeding and discharging of the split pins are completed. The positioning plate on the needle clamping and positioning jig and the splicing needle placing jig are matched with each other under the action of the splicing needle grabbing positioning pin 110, and grabbing and positioning of the splicing needle are completed. The mold placing positioning pins 108 ensure the consistency of the splicing needle positions.

Step three: a finished product grabbing paw grabs the multi-insert shell product from the injection molding machine and moves the multi-insert shell product to the pin punching device;

in this embodiment, the finished product grabbing gripper 000 takes out the multi-insert housing product from the injection molding machine and moves to the designated position of the pin punching apparatus 300, and places the product on the positioning middle plate 305.

Step four: the splicing needle punching device completes the splicing needle punching processing.

In the technical scheme, a micro cylinder 308 of the pin punching device 300 drives a die base plate 306 to drive a positioning middle plate 305 to move below a press 302, and then a lower middle plate 312 is driven to descend to a specified punching position under the action of a cylinder 309, and a punching tool 314 performs pin punching processing.

To sum up, compare with prior art, the beneficial effect of this application:

(1) the split pin part mould is adjusted, split pins are combined before finished product injection molding, 10 sections of scattered split pins are combined into 1 section, the possibility of automatic split pin feeding and discharging is realized, and the time of manual feeding and discharging is reduced. And meanwhile, the assembled split needles have better strength and are not easy to bend when being grabbed. And adding a stamping process after the injection molding of the finished product is finished, and performing punching treatment on the splicing needle to realize compensation treatment on the product.

(2) The positioning precision is high: the use of the split pin grabbing positioning pin, the split pin positioning pin and the die placing positioning pin ensures accurate positioning during grabbing and no position deviation during moving.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims (6)

1. The utility model provides a many inserts casing automatic processing device which characterized in that: the device comprises a grabbing paw, a split pin clamping and positioning tool and a split pin punching device, wherein the grabbing paw is used for grabbing split pins to an injection molding machine to complete injection molding, and grabbing injection molded multi-insert shell finished products to the split pin punching device; the splicing needle clamping and positioning tool is used for placing the spliced needles and facilitating the grabbing of the grabbing claws; the pin punching device is used for punching and cutting the multi-insert shell; the splicing needle structure is a three-section combined structure which is a first combined section, a second combined section and a third combined section respectively; the grabbing claws comprise a pin grabbing claw, a finished product grabbing claw and a flange, and the pin grabbing claw and the finished product grabbing claw are connected through the flange; the split pin grabbing paw comprises a cylinder seat, a positioning plate, a connecting rod and a miniature clamping finger, wherein the miniature clamping finger is connected to the cylinder seat through a bolt, and the cylinder seat and the positioning plate are fixedly connected through the connecting rod; a die placing positioning pin, a splicing pin positioning pin and a splicing pin grabbing positioning pin are arranged in the positioning plate; the splicing needle clamping and positioning tool comprises symmetrically arranged mould placing positioning holes, a first splicing needle placing slot, a second splicing needle placing slot and a third splicing needle placing slot; the first split pin placing slot corresponds to the split pin position of the first combination section, the second split pin placing slot corresponds to the split pin position of the second combination section, and the third split pin placing slot corresponds to the split pin position of the third combination section.

2. The automatic machining device for the multi-insert shell according to claim 1, characterized in that: the miniature centre gripping finger has three, miniature centre gripping finger is including connector and finger, the finger passes through the bolt and is connected with the connector.

3. The multiple-insert housing automatic processing device according to claim 1, characterized in that: the splicing needle punching positioning device comprises a protective cover, a press, a punching table and a welding table, wherein the press is fixed on the welding table through bolts, and the punching table is arranged on the welding table and located below the press.

4. The multiple-insert housing automatic processing device according to claim 3, characterized in that: the punching platform comprises a positioning middle plate, a die bottom plate, a sliding groove and a micro cylinder, the positioning middle plate is connected with the die bottom plate through a bolt, the die bottom plate is connected with the sliding groove in a sliding mode, limiting blocks are arranged on the front portion and the rear portion of the sliding groove, and the micro cylinder is connected with the die bottom plate through a connecting block.

5. The automatic machining device for the multi-insert shell according to claim 3, characterized in that: the press comprises an air cylinder, an upper middle plate, a lower middle plate, a connecting rod, a bottom plate and a stamping tool; the upper middle plate and the bottom plate are connected with a connecting rod through bolts, and the connecting rod is connected with the lower middle plate in a sliding manner; the lower middle plate is connected with a cylinder shaft; the stamping tool is connected with the lower middle plate through a connecting plate, and the air cylinder is fixedly installed on the upper middle plate.

6. An automatic processing method of a multi-insert shell is characterized in that: the method comprises the following steps: the method comprises the following steps: combining 10 sections of the zero scattered split pins into 1 section, and placing the 1 section in a split pin clamping and positioning tool;

step two: when the split pins are clamped by the split pin clamping claws, the split pin clamping claws are inserted into the split pin clamping and positioning tool, the mold is used for placing the positioning pins, the split pin positioning pins and the split pin clamping and positioning pins to align with the corresponding slots of the split pin clamping and positioning tool, the split pins are clamped and moved to the appointed position of the injection molding machine, when the injection molding machine finishes the injection molding of the shell part, the split pins are inserted into the shell for injection molding;

step three: a finished product grabbing paw grabs the multi-insert shell product from the injection molding machine and moves the multi-insert shell product to the pin punching device;

step four: the splicing needle punching device completes the splicing needle punching processing.

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