CN104494052B - Mold closing and opening system of injection mold device clamped by telescopic clamp - Google Patents

Abstract

A mold closing and opening system of an injection mold device clamped by a telescopic clamp comprises a mold closing and opening device, a sliding track and at least two injection mold device groups (100, 200), wherein the at least two injection mold device groups are distributed along the extending direction of the sliding track and each injection mold device group comprises four injection mold devices (67), the four injection mold devices (67) are arranged in a square layout, and each injection mold device (67) occupies one vertex of the square layout; the mold closing and opening device comprises a lifting support frame body, the lifting support frame body comprises a lifting motor (1), and a rotating shaft of the lifting motor (1) is connected with a lifting screw rod (16).

Description

A mold closing and opening system for an injection mold device clamped by a telescopic clamp

technical field

The invention relates to the field of injection molds, in particular to a mold clamping and opening system for an injection mold device clamped by a telescopic clamp.

Background technique

Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to injecting the heated and melted material into the mold cavity by high pressure, and after cooling and solidifying, a molded product is obtained.

Injection molds can form a variety of workpieces with complex shapes and structures. However, molds with complex shape structures are expensive. Furthermore, the molding process and removal of the molded workpiece and preparation for injection molding are long, thus resulting in a long process time.

Contents of the invention

The purpose of the present invention is to provide a mold clamping and opening system for an injection mold device clamped by a telescopic clamp, which can make full use of the upper mold with a complex shape structure, and can make the injection molding process and the picking and injection molding preparation work synchronous , Save processing time and improve processing efficiency.

The scheme of the present invention is:

A mold clamping and opening system for an injection mold device clamped by a telescopic clamp, comprising a mold clamping and opening device, a slide rail and at least two injection mold device groups, at least two injection mold device groups distributed along the extension direction of the slide rail , and each includes four injection mold devices, the four injection mold devices are arranged in a square layout, each injection mold device occupies a vertex of the square layout; the mold clamping and opening device includes a liftable support frame, The liftable support frame body includes a lifting motor, the rotating shaft of the lifting motor is connected with the lifting screw rod, the lifting screw rod is threaded with the internal thread sleeve, and the outer peripheral surface of the internal thread sleeve is provided with a longitudinally extending guide groove. The shell of the lifting motor is fixedly connected with the guide sleeve, and the guide sleeve is provided with a guide tooth that slides with the guide groove, and the guide groove and the guide tooth are fixed to each other in the direction of circumferential rotation; The lower end is fixedly connected with the upper side of the skateboard, the lower side of the skateboard is equipped with driving rollers, and the driving rollers are driven by the drive motor through the belt; the sliding track is composed of two wall plates extending along the sliding direction, and the two wall plates Both sides are provided with flanging flanges extending toward each other, and the two sides of the slide plate have side shoulders that slide and fit with the flanging flanges. The upper end of the housing of the lifting motor is fixedly connected with one end of the horizontal cantilever. Perpendicular to the extension direction of the sliding track, the other end of the horizontal cantilever is installed with a rotating arm assembly. The rotating arm assembly includes an intermediate housing that is fixedly connected with the horizontal cantilever. The upper part of the intermediate housing is equipped with a rotating arm drive motor, and the lower part is installed with a rotating disk. , the rotating disk is driven by the driving motor of the rotating arm, and the lower side of the rotating disk is carried on the middle housing through a thrust bearing. There are rotating arms extending in the horizontal direction, and the end of each of the two rotating arms is fixed with a telescopic clamp, and both sides of the lower end of the telescopic clamp are provided with protrusions,

Each injection mold device in the at least two injection mold device groups includes an upper mold and a lower mold, an operable clamping pin is arranged between the upper mold and the lower mold, and two sides of the upper mold are provided with The above-mentioned protruding part fits into the engaging groove, and the protruding parts provided on both sides of the lower end of the telescopic clamp can be inserted into the engaging groove to cooperate with each other, and the engaging force generated by the engaging of the protruding part and the engaging groove can be used when the locking pin is not in place. When it is working and released, it carries the upper mold so that it is lifted away from the lower mold under the lifting force of the liftable support frame, and can control the expansion of the telescopic clamp when the clamping pin works and locks the mold, so that The protrusions arranged on both sides of the lower end of the telescopic fixture are disengaged from the joint groove, and the telescopic fixture rises under the lifting force of the lifting support frame;

During work, at first make described at least two injection mold device groups, in each said group in the upper die and the lower die clamping of opposite two injection mold devices in the group, the clamping pin works and carries out clamping, After the injection molding is completed, the protruding parts provided on the two telescopic clamps of the clamping and mold opening device are engaged with the engagement grooves on the upper molds in the two opposite injection mold devices in each of the groups, and the mold locking pin is locked. The control is not working and released, the mold clamping and opening device makes the upper mold and the lower mold open, and under the control of the rotating arm assembly, the two upper molds are rotated so as to connect them with the other two in each of the groups. The lower mold in a relative injection mold device is closed, the clamping pin works to lock the mold, and the injection molding starts; The two telescopic fixtures of the mold clamping and opening device rise under the lifting force of the lifting support frame, and the mold clamping and opening device walks along the sliding track to the two injection mold device groups under the drive of the driving roller of the skateboard. Another injection mold device group, and the upper mold in the two opposite injection mold devices that have completed injection molding in the other injection mold device group is moved to the lower mold in the other two opposite injection mold devices and start injection molding; when all the at least two injection mold device groups, the injection mold device groups in the injection mold device group have all completed the upper mold exchange operation, the mold clamping and mold opening device returns to the injection mold device group operated for the first time and Execute the upper mold exchange operation again, and repeat this cycle until the processing work is completed.

Through the above scheme, since the two opposite mold devices are performing injection molding, the other two relative mold devices are synchronously taking parts and preparing for injection molding. The mold clamping and opening device can exchange the upper mold so that the injection molding can be interchanged with the picking and injection preparation work, so that the upper mold can be fully utilized and the processing efficiency can be fully improved. Moreover, using the drive of the slide plate and the driving roller, it is possible to perform similar operations on multiple sets of mold devices when the injection molding time is long, so that the mold opening and closing devices can be fully utilized to fully improve the processing efficiency of the entire processing workshop and reduce production. cost.

Description of drawings

Fig. 1 is the front view of system described in the present invention;

Fig. 2 is a stepped partial sectional view of Fig. 1 along the direction of the arrow shown;

Fig. 3 is a partial enlarged view in Fig. 1;

Fig. 4 is an overall layout diagram of the mold set of the present invention.

detailed description

The present invention will be described in detail below in conjunction with FIGS. 1-4 .

A mold clamping and opening system for an injection mold device clamped by a telescopic clamp, including a mold clamping and mold opening device, a sliding track, and at least two injection mold device groups 100, 200, at least two injection mold device groups along the sliding rail The extension direction is distributed, and each includes four injection mold devices 67, and the four injection mold devices 67 are arranged in a square layout, and each injection mold device 67 occupies a vertex of the square layout; the clamping mold opening device includes The liftable support frame body, the liftable support frame body includes a lift motor 1, the rotating shaft of the lift motor 1 is connected with the lift screw rod 16, the lift screw rod 16 is threadedly matched with the internal thread sleeve 15, and the outer thread of the internal thread sleeve 15 The circumferential surface is provided with a longitudinally extending guide groove, the shell of the lifting motor 1 is fixedly connected with the guide sleeve 14, and the guide sleeve 14 is provided with guide teeth slidingly matched with the guide groove, and the guide groove is connected with the guide sleeve 14. The guide teeth are fixed to each other in the direction of circumferential rotation; the lower end of the internally threaded sleeve 15 is fixedly connected with the upper side of the slide plate 9, and the lower side of the slide plate 9 is equipped with a drive roller 10, which is driven by a drive motor 13 through a belt 12; The sliding track is made up of two wall panels 8 extending along the sliding direction, and the two wall panels 8 are provided with flanging flanges 81 extending towards each other. 81 side shoulder 91 with sliding fit, the upper end of the casing of the lifting motor 1 is fixedly connected with one end of the horizontal cantilever 2, the extension direction of the horizontal cantilever 2 is perpendicular to the extension direction of the sliding track, and the other end of the horizontal cantilever 2 is equipped with a rotating arm assembly , the rotating arm assembly includes an intermediate housing 4 fixedly connected to the horizontal cantilever 2, a rotating arm drive motor 3 is installed on the upper part of the intermediate housing 4, and a rotating disc 5 is installed on the lower part, and the rotating disc 5 is driven by the rotating arm driving motor 3, The lower side of the rotating disk 5 is carried on the middle housing 4 through a thrust bearing 51. The rotating disk 5 is disc-shaped, and its sides are fixedly provided with horizontally extending rotating shafts at two diametrically opposite positions. Arm 17, the end of each rotating arm 17 in the two rotating arms 17 is fixedly provided with a telescopic clamp 18, and both sides of the lower end of the telescopic clamp (18) are provided with protrusions 62,,

Each injection mold device 67 in the at least two injection mold device groups 100, 200 includes an upper mold 6 and a lower mold 7, an operable clamping pin 671 is arranged between the upper mold 6 and the lower mold 7, and the upper mold 6 and the lower mold 7 are provided with an operable mold locking pin 671. Both sides of the mold 6 are provided with engagement grooves 61 for cooperating with the protrusions 62, and the protrusions 62 provided on both sides of the lower end of the telescopic clamp 18 can be inserted into the engagement grooves 61 to cooperate with each other. The engagement force generated by the engagement of the engaging groove 61 can carry the upper mold 6 when the clamping pin 671 is not working and released, so that it can be lifted away from the lower mold under the lifting force of the liftable support frame, Moreover, when the clamping pin 671 works and the mold is locked, the telescopic clamp 18 is controlled to open, so that the protruding parts 62 arranged on both sides of the lower end of the telescopic clamp 18 are disengaged from the joint groove 61, and the telescopic clamp 18 is positioned at the height of the liftable support frame body. Rising under the action of lifting force;

During work, at first make described at least two injection mold assembly groups 100,200 in each said group in the opposite two injection mold assembly 67 in upper mold 6 and lower mold 7 close moulds, locking pin 671 After the injection molding is completed, the protruding parts 62 provided on the two telescopic clamps 18 of the clamping mold opening device are connected with the upper molds in the two opposite injection mold devices 67 in each of the groups. The engaging groove 61 on the 6 is engaged, and the mold locking pin 671 is controlled to be released without working. The mold clamping and opening device opens the upper mold 6 and the lower mold 7, and rotates the two upper molds 6 under the control of the rotating arm assembly. 90 degrees so that it is clamped with the lower mold 7 in the other two relative injection mold devices 67 in each of the groups, the locking pin 671 works to lock the mold, and the injection molding starts to execute; then control the expansion and contraction The clamps 18 are opened to disengage the protruding parts 62 arranged on both sides of the lower end of the telescopic clamps 18 from the engagement groove 61, and the two telescopic clamps 18 of the mold closing and opening device rise under the lifting force of the liftable support frame, and the molds are closed. The mold opening device is driven by the driving roller 10 of the slide plate 9 and walks along the sliding track to the other injection mold device group in the two injection mold device groups 100, 200, and the completed injection mold device group in the other injection mold device group The upper mold 6 in the opposite two injection mold devices 67 of injection molding moves on the lower mold 7 in the other two relative injection mold devices 67 and starts injection molding; When all the at least two injection mold devices groups After the injection mold device groups in 100 and 200 have completed the upper mold exchange operation, the mold clamping and opening device returns to the injection mold device group operated for the first time to perform the upper mold exchange operation again, and this cycle continues until the processing work is complete. Finish.

Wherein, the number of the at least two injection mold device sets 100, 200 is two.

Among them, four positioning grooves 52 are evenly arranged on the circumferential surface of the rotating disk 5, and are used to cooperate with four elastic telescopic positioning pins 53 uniformly distributed in the circumferential direction on the intermediate housing 4, thereby controlling the rotation of the rotating disk 5. location for positioning.

Claims (3)

1. the injection mold apparatus matched moulds die sinking system utilizing flexible holder, including matched moulds die-sinking device, dragging track and at least two injection mold apparatus group (100,200), at least two injection mold apparatus group is distributed along the bearing of trend of dragging track, and each include four injection mold apparatus (67), described four injection mold apparatus (67) are arranged in square layout, and each injection mold apparatus (67) occupies a summit of square layout；Described matched moulds die-sinking device includes liftable supporting frame, described liftable supporting frame includes lifting motor (1), the rotating shaft of lifting motor (1) couples with elevating screw (16), elevating screw (16) and inner thread sleeve (15) threaded engagement, the outer circumference surface of inner thread sleeve (15) is provided with the gathering sill of longitudinal extension, the shell of described lifting motor (1) is fixing with pilot sleeve (14) to be connected, the guiding tooth being slidably matched with described gathering sill it is provided with in pilot sleeve (14), described gathering sill is fixed to one another in circumference direction of rotation with described guiding tooth；The lower end of inner thread sleeve (15) is fixing with the upper side of slide plate (9) to be connected, and the downside of slide plate (99) is provided with driving rolls (10), and driving rolls (10) is driven by driving motor (13) by belt (12)；nullDescribed dragging track is made up of two wallboards (8) extended along line of travel，Two described wallboards (8) are provided with the hem flange (81) extended towards one another，The both sides of slide plate (9) have the sidepiece shoulder (91) being slidably matched with described hem flange (81)，The shell upper end of lifting motor (1) is fixing with one end of horizontal boom (2) to be connected，The bearing of trend of horizontal boom (2) is vertical with the bearing of trend of dragging track，The other end of horizontal boom (2) is provided with rotating arm component，Rotating arm component includes the middle casing (4) that be connected fixing with horizontal boom (2)，Top in middle casing (4) is provided with turning arm and drives motor (3)，Bottom is provided with rotating disk (5)，Rotating disk (5) is driven motor (3) to drive by turning arm，The downside of rotating disk (5) is carried on described middle casing (4) by thrust bearing (51)，Rotating disk (5) is disc，Its sidepiece is fixedly installed the turning arm (17) that horizontal direction extends respectively in two positions being diametrically opposed to one another，The end of each turning arm (17) in two turning arms (17) is fixedly installed flexible fixture (18)，The both sides, lower end of described flexible fixture (18) are provided with protuberance (62)，

nullDescribed at least two injection mold apparatus group (100，200) each injection mold apparatus (67) in all includes upper mold (6) and lower mold (7)，Operable locked mode pin (671) it is provided with between upper mold (6) and lower mold (7)，The both sides of upper mold (6) are provided with the engaging groove (61) for coordinating with described protuberance (62)，The protuberance (62) that flexible fixture (18) both sides, lower end are arranged is inserted in described engaging groove (61) cooperating connection，Described protuberance (62) engages the engaging force produced with described engaging groove (61) can carry described upper mold (6) thus by its lift-off lower mold under the lifting force effect by described liftable supporting frame when described locked mode pin (671) does not works and discharges，And can be in locked mode pin (671) work during locked mode，Control flexible fixture (18) to open，The protuberance (62) being arranged on flexible fixture (18) both sides, lower end is made to disengage with engaging groove (61)，And the fixture (18) that stretches rises under the lifting force effect of liftable supporting frame；

nullDuring work，First described at least two injection mold apparatus group (100 is made，200) upper mold (6) in relative two injection mold apparatus (67) in each described group in and lower mold (7) matched moulds，Locked mode pin (671) works and carries out locked mode，After injection mo(u)lding completes，The engaging groove (61) in upper mold (6) in two injection mold apparatus (67) that the upper protuberance (62) arranged of two flexible fixtures (18) of matched moulds die-sinking device is relative with described each described group engages，Locked mode pin (671) is controlled not work and is discharged，Matched moulds die-sinking device makes upper mold (6) and lower mold (7) die sinking，And by two upper mold (6) 90-degree rotations thus by itself and lower mold (7) matched moulds in two other the relative injection mold apparatus (67) in described each described group under the control of rotating arm component，Locked mode pin (671) works and carries out locked mode，Injection mo(u)lding starts to perform；Then controlling flexible fixture (18) to open, make the protuberance (62) being arranged on flexible fixture (18) both sides, lower end disengage with engaging groove (61), two flexible fixtures (18) of matched moulds die-sinking device rise under the lifting force effect of liftable supporting frame；Matched moulds die-sinking device runs to two injection mold apparatus groups (100 along dragging track under the driving of the driving rolls (10) of slide plate (9), 200) the another one injection mold apparatus group in, and mobile for the upper mold (6) being complete in relative two injection mold apparatus (67) of injection mo(u)lding in the described another one injection mold apparatus group lower mold (7) to two other relative injection mold apparatus (67) above and is started injection mo(u)lding；When all described at least two injection mold apparatus groups (100,200) after the injection mold apparatus group in all completes upper mold swap operation, matched moulds die-sinking device comes back to the injection mold apparatus group that operates for the first time and again performs upper mold swap operation, and according to this circulation until processing work is fully completed.

2. the injection mold apparatus matched moulds die sinking system utilizing flexible holder as claimed in claim 1, wherein, the quantity of described at least two injection mold apparatus group (100,200) is two.

3. the injection mold apparatus matched moulds die sinking system utilizing flexible holder as claimed in claim 1, wherein, four detents (52) it are evenly arranged with on the periphery of rotating disk (5), coordinate in order to four elastic telescopic alignment pins (53) equally distributed with the circumferencial direction on middle casing (4), thus the position of rotation of rotating disk (5) is positioned.