CN212948833U - Filling mechanism and injection molding machine - Google Patents

Abstract

The utility model discloses a filling mechanism and injection molding machine. Wherein, this filling mechanism includes: the machine base, the workpiece clamp base and the needle plate bracket; the machine base is provided with a driving assembly; the workpiece clamp comprises a mounting frame connected with the driving assembly, at least one first clamping jaw and a plurality of first cylinder assemblies, and the first clamping jaw and the plurality of first cylinder assemblies are arranged on the mounting frame at intervals; the needle plate support is provided with a plurality of positioning holes, one positioning hole is arranged corresponding to one first air cylinder assembly, and the positioning holes are used for positioning the conductive needles; the first clamping jaw clamps the needle plate support, the driving assembly drives the mounting frame to move, so that the needle plate support moves to the die, and the first cylinder assemblies drive the conductive pins to be inserted into the die. The utility model discloses filling mechanism improves the yield that production has the conductive needle product.

Description

Filling mechanism and injection molding machine

Technical Field

The utility model relates to a processing equipment technical field, in particular to filling mechanism and injection molding machine of using this filling mechanism.

Background

When a product with the conductive pins is produced, a plurality of conductive pins are installed on a preset position of a mold by manpower or a mechanical arm, and then the plastic solution after hot melting is filled into the mold through an injection molding device to form the product with the conductive pins. When the plurality of conductive pins are installed on the die, due to the difference of hole positions on the die, certain errors exist in the horizontal heights for placing the conductive pins, so that the conductive pins on the product are different in height, and the defective rate is high.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a filling mechanism aims at improving the production yield that has the conductive needle product.

In order to achieve the above object, the present invention provides a filling mechanism for installing a conductive pin on a mold. The filling mechanism includes:

the engine base is provided with a driving assembly;

the workpiece clamp comprises a mounting frame connected with the driving assembly, at least one first clamping jaw and a plurality of first cylinder assemblies, and the first clamping jaw and the plurality of first cylinder assemblies are arranged on the mounting frame at intervals; and

the needle plate support is provided with a plurality of positioning holes, one positioning hole is arranged corresponding to one first cylinder assembly, and the positioning holes are used for positioning the conductive needles;

the first clamping jaw clamps the needle plate support, the driving assembly drives the mounting frame to move, so that the needle plate support moves to the die, and the first cylinder assemblies drive the conductive pins to be inserted into the die.

In an embodiment of the present invention, the needle plate holder includes:

the frame body is provided with a plurality of positioning holes and a plurality of mounting grooves, and one positioning hole is communicated with one mounting groove;

the buckling plate is connected with the frame body; and

the elastic pieces are arranged in the mounting groove and are opposite to the inner wall surface of the positioning hole, and the elastic pieces are matched with the inner wall surface of the positioning hole to clamp the conductive pin;

the first clamping jaw clamps the buckling plate to drive the frame body to be close to or far away from the die.

In an embodiment of the present invention, the elastic member includes:

the clamping block is slidably arranged in the mounting groove and is close to or far away from the positioning hole along the mounting groove; and

one end of the spring is connected with one surface, back to the positioning hole, of the clamping block, and the other end of the spring is connected with the wall surface, facing the positioning hole, of the mounting groove.

In an embodiment of the present invention, the filling mechanism further includes a detecting tool disposed on the frame, the detecting tool is disposed adjacent to the workpiece holder, the detecting tool is provided with a placing groove, the detecting tool includes a plurality of detecting contacts, and the detecting contacts are disposed in the placing groove, and the detecting contacts are used for being electrically connected to a conductive pin.

In an embodiment of the present invention, the detection fixture includes:

the detection table is arranged on the machine base and provided with the placing groove and the abdicating port, and the abdicating port is communicated with the placing groove and the periphery of the detection table;

the induction panel is accommodated in the placing groove, and a plurality of detection contacts are arranged on one surface of the induction panel, which is back to the detection table; and

and the connecting socket is arranged on the yielding position port and is electrically connected with each detection contact, and the connecting socket is used for being electrically connected with the machine base.

In an embodiment of the present invention, each of the detection contacts includes a first electrical conductor and a second electrical conductor electrically connected to the connection socket, the second electrical conductor is spaced from the first electrical conductor, and the first electrical conductor and the second electrical conductor are electrically connected to the conductive pin.

In an embodiment of the present invention, the mounting frame is convexly provided with a plurality of guide posts, and the plurality of guide posts are arranged at intervals with the first clamping jaw and the plurality of first cylinder assemblies;

the buckling plate is provided with a plurality of guide holes, and one guide hole is arranged corresponding to one guide column;

the inspection table is further provided with a plurality of yielding holes, the yielding holes are formed in the placing groove and the yielding openings at intervals, and the yielding holes are formed in the guide columns and the guide holes in a corresponding mode.

In an embodiment of the present invention, the driving assembly is a mechanical arm;

the workpiece clamp further comprises at least one second clamping jaw, the second clamping jaw is arranged on the surface, back to the first clamping jaw, of the mounting frame, and the second clamping jaw is used for clamping a product formed on the die.

In an embodiment of the present invention, the workpiece holder includes two oppositely disposed second clamping jaws;

each second clamping jaw comprises a second air cylinder assembly, a third air cylinder assembly and two clamping jaw arms, the second air cylinder assembly is arranged on the mounting frame, an output shaft of the second air cylinder assembly is connected with the third air cylinder assembly, and an output shaft of the third air cylinder assembly is connected with the two clamping jaw arms.

The utility model also provides an injection molding machine, reach including injection molding machine structure, mould filling machine constructs, filling machine construct with injection molding machine constructs with the mould is adjacent to be set up.

The technical proposal of the utility model adopts the needle plate bracket to be provided with a plurality of positioning holes which are used for positioning a plurality of conductive needles, namely, the needle plate bracket is used as a carrier for positioning a plurality of conductive needles so as to move the conductive needles simultaneously; meanwhile, a driving assembly is mounted on the machine base and connected with a mounting frame of the workpiece clamp, at least one first clamping jaw is mounted on the mounting frame, and the driving assembly drives the mounting frame to be close to or far away from the needle plate support, so that the first clamping jaw on the mounting frame clamps the needle plate support to synchronously move the needle plate support and the conductive needles onto the die; and a plurality of first cylinder assemblies are mounted on the mounting frame, and one first cylinder assembly is arranged corresponding to one positioning hole in the needle plate support. Under the electric control action of the machine base, the machine base can drive the first air cylinders to be synchronously started, the output shaft of the first air cylinder assembly extends or retracts relative to the positioning hole so as to push the conductive pins at the positioning hole into the die, so that the stability of arranging the conductive pins on the die is improved, the heights of the plurality of conductive pins inserted into the die are consistent, and the yield of products is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of a filling mechanism of the present invention;

FIG. 2 is a schematic view of the workpiece holder of FIG. 1;

FIG. 3 is a schematic view of the structure of the needle plate holder of FIG. 1;

FIG. 4 is a schematic structural diagram of the inspection jig shown in FIG. 1;

FIG. 5 is a schematic view of the needle board support of FIG. 1 being placed on the inspection fixture;

FIG. 6 is a schematic view of a portion of the structure of FIG. 5 with the needle board holder placed on the inspection fixture;

FIG. 7 is a schematic view of the filling mechanism of FIG. 1 in another state;

FIG. 8 is a schematic view of the structure at A in FIG. 7;

fig. 9 is a schematic structural view of another state at a in fig. 7.

The reference numbers illustrate:

the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a filling mechanism is used for installing electrically conductive needle to the mould on. Referring to fig. 1 in detail, it is a schematic structural diagram of an embodiment of the filling mechanism of the present invention; referring to FIG. 2, a schematic diagram of the structure of the workpiece holder of FIG. 1 is shown; referring to fig. 3, a schematic structural view of the needle plate holder in fig. 1 is shown; fig. 4 is a schematic structural diagram of the detection jig in fig. 1; fig. 5 is a schematic view of the needle board support of fig. 1 being placed on the detection fixture; fig. 6 is a schematic view of a part of the structure of fig. 5, in which the needle board support is placed on the detection fixture; FIG. 7 is a schematic view of the filling mechanism of FIG. 1 in another state; referring to fig. 8, a schematic diagram of the structure at a in fig. 7 is shown; fig. 9 is a schematic structural diagram of another state at a in fig. 7.

In an embodiment of the present invention, as shown in fig. 1 and shown in fig. 2, 3 and 6, the filling mechanism includes: a machine base (not shown), a work holder 1 and a needle plate holder 2. Wherein, the needle plate bracket 2 is provided with a plurality of positioning holes 221, and the positioning holes 221 are used for positioning the conductive needles 4; the frame is provided with drive assembly, and drive assembly is connected with work holder 1, and drive assembly drive work holder 1 removes to centre gripping faller support 2, in order to drive faller support 2 and remove to mould 5 department, and with in the mould 5 is pushed up to conductive needle 4 on the faller support 2.

In this embodiment, the work holder 1 includes a mounting frame 11 connected to the driving assembly, at least one first clamping jaw 12, and a plurality of first cylinder assemblies 13, where the first clamping jaw 12 and the plurality of first cylinder assemblies 13 are disposed on the mounting frame 11 at intervals; the needle plate holder 2 is provided with a plurality of positioning holes 221, and the positioning holes 221 are arranged corresponding to a first cylinder assembly 13. The first clamping jaws 12 clamp the needle plate support 2, the driving assembly drives the mounting frame 11 to move so that the needle plate support 2 moves to the die 5, and the first cylinder assemblies 13 drive the conductive needles 4 to be inserted into the die 5.

In this embodiment, as shown in fig. 7, 8 and 9, a plurality of positioning holes 221 are formed in the needle plate support 2, and the plurality of positioning holes 221 are used for positioning the plurality of conductive needles 4, that is, the needle plate support 2 is used as a carrier for positioning the plurality of conductive needles 4, so as to move the plurality of conductive needles 4 simultaneously; meanwhile, a driving assembly is mounted on the machine base and connected with a mounting frame 11 of the workpiece clamp 1, at least one first clamping jaw 12 is mounted on the mounting frame 11, and the driving assembly drives the mounting frame 11 to be close to or far away from the needle plate support 2, so that the first clamping jaw 12 on the mounting frame 11 clamps the needle plate support 2 to synchronously move the needle plate support 2 and the conductive needles 4 to the die 5; and, a plurality of first cylinder assemblies 13 are installed on the mounting frame 11, and a first cylinder assembly 13 is arranged corresponding to a positioning hole 221 on the needle plate support 2. Under the electric control action of the stand, the stand can drive the first cylinders to be synchronously started, and the output shaft of the first cylinder assembly 13 extends or retracts relative to a positioning hole 221 so as to push the conductive pins 4 at the positioning hole 221 into the mold 5, so that the stability of arranging the conductive pins 4 on the mold 5 is improved, the heights of the conductive pins 4 inserted into the mold 5 are consistent, and the yield of products is effectively improved.

Alternatively, as shown in fig. 2 and 7, the work holder 1 includes two first clamping jaws 12, and the two first clamping jaws 12 are disposed on the mounting frame 11 at intervals, that is, the two first clamping jaws 12 are used to clamp the needle board support 2, a force point is formed between one first clamping jaw 12 and the needle board support 2, and two force points are formed between the two first clamping jaws 12 and the needle board support 2, so that the needle board support 2 has two force points to effectively improve the stability of clamping the needle board support 2.

In practical applications of the present embodiment, the positioning hole 221 may be provided with an elastic member 23 at its periphery. When the conductive pin 4 is inserted into the positioning hole 221, the conductive pin 4 applies a certain pressure to the elastic member 23, and the elastic member 23 provides a reaction force opposite to the pressure to the conductive pin 4, so that the conductive pin 4 is positioned at the positioning hole 221.

Alternatively, the elastic element 23 may be a rubber pad made of silicon rubber or plastic, and the rubber pad is disposed on the inner wall surface of the positioning hole 221.

Alternatively, the elastic member 23 may be an elastic member 23 made of silicon rubber or plastic material, one end of the elastic member 23 adjacent to the positioning hole 221 is open, and when the conductive pin 4 is inserted into the positioning hole 221, the elastic member 23 abuts against the peripheral wall surface of the conductive pin 4.

In practical application of this embodiment, the conductive pins 4 may also directly abut against the inner wall surfaces of the positioning holes 221, and the inner side of the positioning holes 221 is prevented from being matched with the peripheral wall surfaces of the conductive pins 4, so that the conductive pins 4 are positioned on the needle board holder 2.

Alternatively, the first cylinder assembly 13 may include a cylinder and a thimble connected to the cylinder, the thimble is connected to an output shaft of the cylinder, and the cylinder drives the thimble to move towards the positioning hole 221, so that the thimble passes through the positioning hole 221 to abut against one end of the conductive pin 4 and pushes the conductive pin 4 to move; the conductive pin 4 penetrates through the positioning hole 221 and is positioned on the mold 5.

In an embodiment of the present invention, as shown in fig. 3 and 6, the needle plate holder 2 includes: a frame 22, at least one locking plate 21 and a plurality of elastic members 23. The frame body 22 is provided with a plurality of positioning holes 221 and a plurality of mounting grooves 222, and the positioning holes 221 are communicated with one mounting groove 222; the buckling plate 21 is connected with the frame 22; an elastic member 23 disposed in the mounting groove 222 and opposite to the inner wall surface of a positioning hole 221, the elastic member 23 and the inner wall surface of the positioning hole 221 cooperate to clamp the conductive pin 4;

the first jaw 12 holds the fastening plate 21 to move the frame 22 toward or away from the mold 5.

In this embodiment, the frame 22 is connected to the fastening plate 21, and the fastening plate 21 can be disposed on any surface of the frame 22, and the fastening plate 21 serves as a power assisting element, so that the first clamping jaw 12 can clamp the fastening plate 21 to drive the frame 22 to move. The frame 22 is provided with a plurality of positioning holes 221 and a plurality of mounting grooves 222, the elastic member 23 is disposed in the mounting groove 222, the elastic member 23 is disposed opposite to the inner wall surface of the positioning hole 221, and when the conductive pin 4 extends into the positioning hole 221, the peripheral wall of the conductive pin 4 can abut against the elastic member 23 and the inner wall surface of the positioning hole 221, so that the conductive pin 4 is positioned at the positioning hole 221.

Optionally, the frame 22 includes four frames, the four frames are connected in sequence and connected end to form the frame 22, and the four frames are disposed on the same plane. The buckling plate 21 can be connected with any frame; alternatively, the position-locking plate 21 may be connected to two opposite frames; alternatively, the position-locking plate 21 may be connected to two adjacent frames.

In a specific application, when the position-fastening plate 21 can be connected with any one of the frames, the position-fastening plate 21 can protrude from the outer wall surface of the other frame opposite to the frame, that is, the plane where the position-fastening plate 21 and the frame 22 are located is parallel; the first clamping jaw 12 is arranged on the buckling plate 21 and partially extends to the middle part of the frame body 22 so as to stably clamp the needle plate bracket 2.

Alternatively, the fastening plate 21 may protrude from the frame opposite to the outer wall surface of the other frame, that is, the fastening plate 21 and the frame 22 are disposed at an included angle. The first clamping jaw 12 is arranged at one end of the buckling plate 21 adjacent to the frame body 22 and partially extends to the middle of the frame body 22 so as to stably clamp the needle plate bracket 2.

In an embodiment of the present invention, as shown in fig. 2, a plurality of first cylinder assemblies 13 are disposed around the circumference of the mounting frame 11 to effectively disperse the output force, so that the conductive pins 4 on the needle plate support 2 can be stably stressed. The arrangement of the first cylinder assembly 13 may also be adjusted for specific machining requirements.

In an embodiment of the present invention, as shown in fig. 3 and 6, the elastic member 23 includes: a clamping block 231 and a spring 232. The clamping block 231 is slidably arranged in the mounting groove 222 and is close to or far away from the positioning hole 221 along the mounting groove 222; one end of the spring 232 is connected to a surface of the clamping block 231 facing away from the positioning hole 221, and the other end of the spring 232 is connected to a wall surface of the mounting groove 222 facing the positioning hole 221. It can be understood that, compared with the conductive pin 4 directly abutting against the positioning hole 221, the structure of abutting against the conductive pin 4 is matched by the spring 232 and the clamping block 231, so that the spring 232 and the clamping block 231 are matched to provide a stronger acting force to the conductive pin 4, so that the conductive pin 4 is stably positioned at the positioning hole 221.

In the present embodiment, the spring 232 is adopted as a structure for applying an acting force, when the conductive pin 4 is inserted into the positioning hole 221, the clamping block 231 moves towards the spring 232, so that the spring 232 is pressed by the clamping block 231 and the inner wall surface of the mounting groove 222, elastic potential energy is stored, and the spring 232 applies an elastic force to the clamping block 231, so that the clamping block 231 abuts against the conductive pin 4, and the conductive pin 4 is positioned.

Alternatively, at least one port of the positioning hole 221 may be flared. That is, when the conductive pins 4 need to be positioned on the needle plate holder 2, the wall of the flared positioning holes 221 may have a certain guiding function to improve the efficiency of inserting the conductive pins 4.

In an embodiment of the present invention, as shown in fig. 3 and 6, the needle plate support 2 further includes a plurality of positioning plates 24 disposed on the frame 22, and a positioning plate 24 covers a notch of the mounting groove 222 to effectively shield the mounting groove 222 and prevent the elastic member 23 from falling off from the mounting groove 222.

Optionally, the positioning plate 24 is provided with an avoiding hole, a threaded hole is provided with the frame 22, and a screw passes through the avoiding hole to be in threaded locking with the inner wall surface of the threaded hole.

In an embodiment of the present invention, as shown in fig. 1, fig. 4, fig. 5 and fig. 6, the filling mechanism further includes a detection fixture 3 disposed on the frame, the detection fixture 3 is disposed adjacent to the work holder 1, the detection fixture 3 is provided with a placement groove 311, the detection fixture 3 includes a plurality of detection contacts 321, the detection contacts 321 are disposed in the placement groove 311, and the detection contacts 321 are used for being electrically connected to a conductive pin 4.

In this embodiment, the detecting jig 3 is provided on the machine base, and the placing groove 311 is provided on the detecting jig 3, so that the needle plate holder 2 can be accommodated in the placing groove 311; on the other hand, the size of the placement groove 311 matches the size of the needle board holder 2 so that the needle board holder 2 is retained in the placement groove 311.

Understandably, a plurality of detection contacts 321 are electrically connected with the machine base, and the detection contacts 321 are metal points used for electrically connecting with the conductive pins 4 positioned on the needle board support 2, so that the machine base is electrically connected with the conductive pins 4 through the detection contacts 321 to realize the judgment of whether the conductive pins 4 exist on the needle board support 2.

Optionally, the base may include a control circuit, and the control circuit may be any form of terminal device, such as: industrial computers, personal computers, tablet computers, and the like. The control circuitry on the chassis may be electrically connected to a plurality of sensing contacts 321.

In practical application of the embodiment, the needle plate support 2 is positioned with a plurality of conductive needles 4, and after the needle plate support 2 is accommodated in the accommodating groove 311, the plurality of conductive needles 4 on the needle plate support 2 can be respectively contacted with corresponding metal contacts to generate a detection signal, so that the control circuit can confirm whether the conductive needles 4 exist on the needle plate support 2. In some cases, when the conductive pins 4 positioned on the needle board support 2 cannot be brought into contact with the metal contacts, the control circuit may judge that the needle board support 2 is not completely filled with the conductive pins 4 based on the obtained detection signal, so as to prompt the operator to perform the inspection.

Optionally, the base may include a warning light, and the control circuit drives the warning light to emit warning light to prompt an operator to perform an inspection of the needle plate holder 2.

Alternatively, the housing may include a horn, the control circuit driving the horn to emit a warning tone to alert the operator to perform an inspection of the needle board holder 2.

In the practical application of this embodiment, the control circuit is electrically connected to the driving component, and the control circuit is matched with the driving component to realize the movement of the driving installation frame 11, so that the needle plate support 2 moves into the installation groove 222 of the detection jig 3, and a detection contact 321 corresponds to a positioning hole 221 to detect the conductive needle 4 on the needle plate support 2.

In an embodiment of the present invention, as shown in fig. 4, 5 and 6, the detecting jig 3 includes:

the detection table 31 is arranged on the machine base, the detection table 31 is provided with a placing groove 311 and a yielding opening 312, and the yielding opening 312 is communicated with the placing groove 311 and the periphery of the detection table 31;

a sensing panel 32, wherein the sensing panel 32 is accommodated in the accommodating slot 311, and a plurality of detection contacts 321 are arranged on one surface of the sensing panel 32, which is opposite to the detection table 31; and

the connection socket 33, the connection socket 33 is disposed at the relief opening 312 and electrically connected to each of the detection contacts 321, and the connection socket 33 is used for electrically connecting to the base; the connection socket 33 may be an interface circuit connected to the base, and the corresponding interface circuit may be replaced according to actual use scenarios, for example: the connection socket 33 may be a usb socket, a 4pin interface, an 8pin interface, or a 24pin interface, etc.

In the present embodiment, the detection contact 321 on the sensing panel 32 can be a sensing switch or a mechanical travel switch. That is, when the sensing contact 321 is a sensing switch, the conductive pin 4 contacts the sensing contact 321, and the sensing contact 321 senses a pressure or a potential change to determine that there is a conductive pin 4 at a position of the needle board support 2 corresponding to the sensing contact 321, for example: the sensing contact 321 may be a mass detector; when the detecting contact 321 is a mechanical switch, the conductive pin 4 contacts the detecting contact 321, the conductive pin 4 abuts against a part of the structure on the detecting contact 321, and the detecting contact 321 generates a potential change to determine that the conductive pin 4 is located at a position corresponding to the detecting contact 321 on the needle board support 2, for example: the detection contact 321 may be a mechanically formed switch with a spring.

In an embodiment of the present invention, as shown in fig. 6, each of the detecting contacts 321 includes a first conductor 322 and a second conductor 323 electrically connected to the connection socket 33, the second conductor 323 is spaced from the first conductor 322, and the first conductor 322 and the second conductor 323 are electrically connected to the conductive pin 4.

In this embodiment, each detecting contact 321 includes a first conductor 322 and a second conductor 323, and when the conductive pin 4 is connected to the detecting contact 321, the conductive pin 4 is communicated with the first conductor 322 and the second conductor 323 to complete the circuit between the first conductor 322 and the second conductor 323, so as to effectively determine whether the conductive pin 4 exists at the position of the needle plate holder 2 corresponding to the detecting contact 321.

Alternatively, the first electrical conductor 322 may be a copper wire. The second electrical conductor 323 may be a copper wire.

In an embodiment of the present invention, in combination with fig. 2, 3 and 4, the mounting frame 11 is convexly provided with a plurality of guiding posts 14, and the plurality of guiding posts 14 are arranged at intervals with the first clamping jaw 12 and the plurality of first cylinder assemblies 13;

the position-locking plate 21 is provided with a plurality of guide holes 211, and one guide hole 211 is arranged corresponding to one guide column 14;

the detecting table 31 is further provided with a plurality of yielding holes 313, the plurality of yielding holes 313 are arranged at intervals with the placing groove 311 and the yielding port 312, and one yielding hole 313 is arranged corresponding to one guiding column 14 and one guiding hole 211.

In this embodiment, a plurality of guide posts 14 are protruded from the mounting frame 11, a guide hole 211 corresponding to each guide post 14 is formed in the catching plate 21, and a relief hole 313 corresponding to each guide post 14 is formed in the inspection table 31. When the work piece clamp 1 clamps the needle plate support 2, each guide post 14 penetrates through each guide hole 211 to realize accurate alignment, so that a positioning hole 221 corresponds to a first air cylinder assembly 13; when the driving assembly drives the work holder 1 and the needle plate support 2 to move to the detection fixture 3, the guide post 14 passing through the guide hole 211 can pass through the abdicating hole 313 again, so as to realize the contraposition between the work holder 1 and the needle plate support 2 as a whole and the detection fixture 3, and thus, a conductive needle 4 can correspond to the last detection contact 321.

In an embodiment of the present invention, as shown in fig. 1 and 7, the driving component is a mechanical arm. The work holder 1 further comprises at least one second jaw 15, the second jaw 15 being provided on a surface of the mounting 11 facing away from the first jaw 12, the second jaw 15 being adapted to grip a product formed on the mold 5.

In this embodiment, the driving assembly is a robot arm, and a second clamping jaw 15 is disposed on a surface of the mounting frame 11 facing away from the first clamping jaw 12, and the robot arm can rotate the work fixture 1, so that the second clamping jaw 15 clamps the injection-molded product.

In the application of the embodiment, as shown in fig. 7, 8 and 9, the driving assembly drives the work holder 1 to clamp the needle plate holder 2 loaded with the conductive needles 4 to move to the mold 5, and drives the plurality of conductive needles 4 to be positioned on the mold 5 by using the plurality of first cylinder assemblies 13; then, the driving component drives the workpiece clamp 1 and the needle plate bracket 2 to be far away from the mold 5, and the injection molding device pours the melted plastic solution on the mold 5 so as to form a product with a plurality of conductive needles 4 on the mold 5; when it is desired to release the product from the mould 5, the robot arm may rotate the work holder 1 so that the second jaws 15 grip the injection moulded product.

Optionally, as shown in fig. 2, the mounting frame 11 includes a fixing plate 111, and a first mounting plate 112 and a second mounting plate 113 disposed on the fixing plate 111, where the first mounting plate 112 and the second mounting plate 113 are disposed opposite to each other and cooperate to form a spacing space (not shown); the fixing plate 111 may be a power assisting element mounted on a robot arm, and the robot arm is connected to the fixing plate 111 to drive the fixing plate 111 to rotate and/or move. Wherein, the first clamping jaw 12 and a plurality of first cylinder assemblies 13 are arranged on the second mounting plate 113, the first clamping jaw 12 and a plurality of first cylinder assemblies 13 are accommodated in the spacing space, the clamping jaw part of the first clamping jaw 12 extends to the surface of the second mounting plate 113 departing from the first mounting plate 112, and the second clamping jaw 15 is arranged on the first mounting plate 112.

In another application of the present embodiment, as shown in fig. 7, 8 and 9, the driving assembly drives the work fixture 1 to clamp the needle board frame 2 loaded with the conductive needles 4 and move to the detection fixture 3, and the detection fixture 3 is used to detect whether the needle board frame 2 is completely filled with the conductive needles 4, or whether a plurality of conductive needles 4 on the needle board frame 2 are inserted into the positioning holes 221. Then, the driving assembly drives the work holder 1 to clamp the detected needle plate holder 2 to move onto the mold 5, and drives the plurality of conductive needles 4 to be positioned on the mold 5 using the plurality of first cylinder assemblies 13. Then, the driving component drives the workpiece clamp 1 and the needle plate bracket 2 to be far away from the mold 5, and the injection molding device pours the melted plastic solution on the mold 5 so as to form a product with a plurality of conductive needles 4 on the mold 5; when it is desired to release the product from the mould 5, the robot arm may rotate the work holder 1 so that the second jaws 15 grip the injection moulded product.

In an embodiment of the present invention, as shown in fig. 2, the work holder 1 includes two second clamping jaws 15 disposed opposite to each other; each second clamping jaw 15 comprises a second cylinder assembly 151, a third cylinder assembly 152 and two clamping jaw arms 153, the second cylinder assembly 151 is arranged on the mounting frame 11, an output shaft of the second cylinder assembly 151 is connected with the third cylinder assembly 152, and an output shaft of the third cylinder assembly 152 is connected with the two clamping jaw arms 153.

In the present embodiment, two second clamping jaws 15 are disposed on the mounting frame 11, and the two second clamping jaws 15 can be used for clamping the product, that is, a force point exists between the product and each second clamping jaw 15, so that two force points are formed on the product. When the workpiece fixture 1 clamps a product, the product is clamped by the two second clamping jaws 15, so that the workpiece fixture 1 stably clamps the second clamping jaws 15.

Alternatively, the second clamping jaw 15 may include a second cylinder assembly 151, a third cylinder assembly 152 and two clamping jaw arms 153, which are disposed on the mounting frame 11, the third cylinder assembly 152 is disposed on the output shaft of the second cylinder assembly 151, the two clamping jaw arms 153 are disposed on the output shaft of the third cylinder assembly 152, and the third cylinder assembly 152 drives the two clamping jaw arms 153 to move close to or away from each other to clamp the product.

It is understood that a plane on which the second cylinder assembly 151 is mounted on the mounting frame 11 is defined as a reference plane, and the driving direction of the output shaft of the second cylinder assembly 151 may be parallel to the reference plane, or the driving direction of the output shaft of the second cylinder assembly 151 may be perpendicular to the reference plane.

When the driving direction of the output shaft of the second cylinder assembly 151 may be parallel to the reference plane, the two second cylinder assemblies 151 drive the two third cylinder assemblies 152 to move away from and close to each other, so as to realize the holding of the faller bar holder 2.

When the driving direction of the output shaft of the second cylinder assembly 151 may be perpendicular to the reference plane, the second cylinder assembly 151 drives the third cylinder assembly 152 away from the mounting frame 11, so that the third cylinder assembly 152 approaches or leaves the needle plate holder 2 to realize the holding of the needle plate holder 2.

The utility model also provides an injection molding machine, this injection molding machine include injection moulding mechanism (not shown), mould 5 and filling mechanism, and the concrete structure of this filling mechanism refers to above-mentioned embodiment, because this injection molding machine has adopted the whole technical scheme of all above-mentioned embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer gives unnecessary details one by one here. Wherein the filling mechanism is arranged adjacent to the injection mechanism and the mould 5.

Alternatively, both the injection mechanism and the mold 5 may be mounted on a stand.

Optionally, the injection molding machine further includes a machine table, the machine table is disposed adjacent to the machine base, and the injection molding mechanism and the mold 5 are both mounted on the machine table.

The injection molding mechanism can comprise a heating assembly and a guide pipe, wherein the heating assembly is provided with a melting material cavity, and the guide pipe is communicated with the melting material cavity. The heating component melts the plastic particles in the melting cavity and melts the plastic particles through the conduit to form a plastic solution which is discharged onto the mold 5, so as to be injection-molded into a product on the mold 5.

The above is only the optional embodiment of the present invention, and not therefore the scope of the present invention is limited, all under the inventive concept, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. A loading mechanism for mounting a conductive pin to a mold, the loading mechanism comprising:

the engine base is provided with a driving assembly;

the workpiece clamp comprises a mounting frame connected with the driving assembly, at least one first clamping jaw and a plurality of first cylinder assemblies, and the first clamping jaw and the plurality of first cylinder assemblies are arranged on the mounting frame at intervals; and

the needle plate support is provided with a plurality of positioning holes, one positioning hole is arranged corresponding to one first cylinder assembly, and the positioning holes are used for positioning the conductive needles;

the first clamping jaw clamps the needle plate support, the driving assembly drives the mounting frame to move, so that the needle plate support moves to the die, and the first cylinder assemblies drive the conductive pins to be inserted into the die.

2. The loading mechanism of claim 1, wherein the needle board holder comprises:

the frame body is provided with a plurality of positioning holes and a plurality of mounting grooves, and one positioning hole is communicated with one mounting groove;

the buckling plate is connected with the frame body; and

the elastic pieces are arranged in the mounting groove and are opposite to the inner wall surface of the positioning hole, and the elastic pieces are matched with the inner wall surface of the positioning hole to clamp the conductive pin;

the first clamping jaw clamps the buckling plate to drive the frame body to be close to or far away from the die.

3. The loading mechanism of claim 2, wherein the resilient member comprises:

the clamping block is slidably arranged in the mounting groove and is close to or far away from the positioning hole along the mounting groove; and

one end of the spring is connected with one surface, back to the positioning hole, of the clamping block, and the other end of the spring is connected with the wall surface, facing the positioning hole, of the mounting groove.

4. The loading mechanism according to claim 3, further comprising a detection fixture disposed on the base, wherein the detection fixture is disposed adjacent to the workpiece holder, the detection fixture is provided with a placement slot, the detection fixture comprises a plurality of detection contacts, the plurality of detection contacts are disposed in the placement slot, and the detection contacts are electrically connected to a conductive pin.

5. The loading mechanism of claim 4, wherein the inspection jig comprises:

the detection table is arranged on the machine base and provided with the placing groove and the abdicating port, and the abdicating port is communicated with the placing groove and the periphery of the detection table;

the induction panel is accommodated in the placing groove, and a plurality of detection contacts are arranged on one surface of the induction panel, which is back to the detection table; and

and the connecting socket is arranged on the yielding position port and is electrically connected with each detection contact, and the connecting socket is used for being electrically connected with the machine base.

6. The loading mechanism of claim 5, wherein each of said sensing contacts comprises a first electrical conductor and a second electrical conductor electrically connected to said connection socket, said second electrical conductor being spaced from said first electrical conductor, said first and second electrical conductors being adapted to electrically connect to said conductive pin.

7. The loading mechanism of claim 5, wherein said mounting bracket is provided with a plurality of guide posts projecting therefrom, said plurality of guide posts being spaced from said first jaw and said plurality of first cylinder assemblies;

the buckling plate is provided with a plurality of guide holes, and one guide hole is arranged corresponding to one guide column;

the inspection table is further provided with a plurality of yielding holes, the yielding holes are formed in the placing groove and the yielding openings at intervals, and the yielding holes are formed in the guide columns and the guide holes in a corresponding mode.

8. The loading mechanism of claim 1, wherein the drive assembly is a robotic arm;

the workpiece clamp further comprises at least one second clamping jaw, the second clamping jaw is arranged on the surface, back to the first clamping jaw, of the mounting frame, and the second clamping jaw is used for clamping a product formed on the die.

9. The loading mechanism of claim 8, wherein said workpiece holder includes two oppositely disposed said second jaws;

each second clamping jaw comprises a second air cylinder assembly, a third air cylinder assembly and two clamping jaw arms, the second air cylinder assembly is arranged on the mounting frame, an output shaft of the second air cylinder assembly is connected with the third air cylinder assembly, and an output shaft of the third air cylinder assembly is connected with the two clamping jaw arms.

10. An injection molding machine comprising an injection mechanism, a mold, and a loading mechanism as claimed in any one of claims 1 to 9, said loading mechanism being disposed adjacent to said injection mechanism and said mold.

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