CN110978437A

CN110978437A - Full-automatic pressurize machine

Info

Publication number: CN110978437A
Application number: CN201911301450.3A
Authority: CN
Inventors: 谢海丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-04-10

Abstract

The invention discloses a full-automatic pressure maintaining machine, which structurally comprises a servo motor, a positioning shaft, a supporting seat, a signal table, a main case, lifting screws, a control case and a positioning pressure maintaining device, wherein the servo motor is electrically connected with the control case through a lead, the main case is electrically connected with the control case, the signal table is arranged on the main case, the servo motors are fixed on the supporting seat, the positioning shaft is provided with four positioning shafts, and the four positioning shafts penetrate through the supporting seat and are vertically fixed with the main case. Realize that the double balance is the equilibrium of mould in the pressurize of efficient maintenance more, prevent that lifting screw from splitting or crooked.

Description

Full-automatic pressurize machine

Technical Field

The invention relates to the technical field of injection molding, mold closing and pressure maintaining, in particular to a full-automatic pressure maintaining machine.

Background

In the compound die of moulding plastics, the purpose of pressurize is the palirrhea of the material of dissolving in preventing the die cavity, to the die cavity internal supplement material, and guarantee that the goods has certain density and dimensional tolerance, therefore pressure plays crucial effect, if pressure is not enough and can appear pressing not tightly in the compound die, cave in, the bubble, the scheduling problem is diminished to the shaping article size, in the process of keeping pressure, mainly use injection pressure as the settlement, promote the screw rod for the upper limit with the maximum pressurize speed, and for the rotation type propulsion during the screw rod promotes, along with the effect of die cavity internal pressure, uneven phenomenon often appears in the mould, and when a plurality of screws that adopt carried out the pressurize, because the mould was uneven, the screw rod length is not uniform, the height of bearing frame and the length error of screw rod are too big, when the screw rod, when straightening, both sides atress is uneven: one long and three short, the longer screw will cause the rod to break or bend as constrained by the other three screws.

Disclosure of Invention

Aiming at the problems, the invention provides a full-automatic pressure maintaining machine.

In order to achieve the purpose, the invention is realized by the following technical scheme: a full-automatic pressure maintaining machine structurally comprises a servo motor, a positioning shaft, a supporting seat, a signal table, a main case, a lifting screw, a control case and a positioning and pressure maintaining device, the servo motor is electrically connected with the control cabinet through a lead, the main cabinet is electrically connected with the control cabinet, a signal table is arranged on the mainframe box, servo motors are fixed on the supporting seat, four positioning shafts are arranged and penetrate through the supporting seat to be vertically fixed with the mainframe box, the lifting screw rod is driven by a servo motor and is arranged on the positioning and pressure maintaining device, the positioning and pressure maintaining device consists of a pressure maintaining plate, a screw groove, a horizontal structure and a lifting cylinder, wherein four screw grooves are arranged on the pressure maintaining plate, the horizontal structure is connected with the lifting cylinder, is arranged at the center of the pressure maintaining plate and vertically penetrates through the pressure maintaining plate to be in direct contact attraction with the upper die plate of the die.

As a further improvement of the invention, the screw groove consists of a circular notch, a signal contact and a signal wire, wherein a lifting screw is movably sleeved in the circular notch, the diameter of the circular notch is 1-2cm larger than that of the lifting screw, the signal contact is arranged in the circular notch, and the signal contact is electrically connected with the servo motor through the signal wire.

As a further improvement of the invention, four circular notches are arranged and are uniformly distributed around the pressure-holding plate and are opposite to the lifting screw.

As a further improvement of the invention, the horizontal structure comprises a positioning disc, clamping blocks, a spiral column, spiral textures and a lower pressing plate, the positioning disc and the spiral column are integrated, the clamping blocks are arranged at the outer ends of two sides of the spiral column, and the spiral column is in threaded fit with the lower pressing plate through the spiral textures.

As a further improvement of the invention, the fixture block and the lower pressing plate are vertically clamped and fixed, and the positioning disc is contacted with the upper die plate of the die through the pressure-maintaining plate.

As a further improvement of the invention, the positioning disc is of a circular structure and comprises a pull rod, a rubber disc body, vacuum chucks and a covering body, wherein the covering body is closed on the vacuum chucks and connected with the pull rod, and more than two vacuum chucks are uniformly distributed on the inner circumferential surface of the rubber disc body.

As a further improvement of the invention, one end of the pull rod, which is far away from the traction end of the cladding body, is converged at the rotating core, and the rotating core is fixed with the spiral column.

As a further improvement of the invention, the covering body and the vacuum chuck are positioned in a circular groove concentric with the rubber disk body.

As a further improvement of the invention, the horizontal structure is in spiral lifting fit through a lifting cylinder.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the horizontal structure and the screw groove, the horizontal structure mainly acts on the injection-molded die plate, the horizontal structure can keep the balance of the die, and the horizontal structure and the matched screw groove can ensure that the lifting cylinder can be switched on only when the lifting screw completely contacts the circular notch, and the signal contact receives a signal, so that the lifting screw is pushed to operate, the phenomenon of different lengths of the lifting screw can be avoided, the double balance can be realized, the balance of the die in pressure maintaining is maintained more efficiently, and the lifting screw is prevented from being broken or bent.

2. The positioning disc is matched with the spiral column and the lower pressing plate and is matched with the lifting cylinder, the positioning disc spirally slides downwards under the action of the spiral column, and the clamping block is propped against the lower pressing plate to enable the bottom surfaces of the positioning disc and the lower pressing plate to be always kept on the same horizontal line, so that the whole positioning disc cannot be exposed outside and keeps the smoothness.

3. The gap reserved between the adjacent vacuum chucks is consistent with the length of the covering body, the effective opening of the vacuum chucks is realized by matching the pull rod with the spiral column, and the surface of a mold adsorbed and fixed by the vacuum chucks can be cleaned while the covering body is deviated, so that the adsorption firmness is improved.

Drawings

Fig. 1 is a schematic structural view of a full-automatic pressure maintaining machine according to the present invention.

Fig. 2 is a schematic structural view of a positioning and pressure maintaining device of a full-automatic pressure maintaining machine according to the present invention.

Fig. 3 is a schematic top view of a pressure maintaining plate of the full-automatic pressure maintaining machine according to the present invention.

Fig. 4 is a schematic view of a horizontal structure of the full-automatic pressure maintaining machine according to the present invention.

Fig. 5 is a schematic view of a top view structure of a positioning plate of the full-automatic pressing machine of the present invention.

In the figure: the device comprises a servo motor-1, a positioning shaft-2, a supporting seat-3, a signal table-4, a main case-5, a lifting screw-6, a control case-7, a positioning pressure maintaining device-8, a pressure maintaining plate-a, a screw groove-b, a horizontal structure-c, a lifting cylinder-d, a circular notch-b 1, a signal contact-b 2, a signal lead-b 3, a positioning disc-c 1, a clamping block-c 2, a spiral column-c 3, spiral textures-c 4, a lower pressure plate-c 5, a pull rod-c 11, a rubber disc body-c 12, a vacuum chuck-c 13 and a cladding body-c 14.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, fig. 1 to fig. 5 schematically show the structure of the full-automatic pressure maintaining machine according to the embodiment of the invention, and the technical solution in the embodiment of the invention will be clearly and completely described below with reference to the drawings in the embodiment of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-3, the present invention provides a full-automatic pressure maintaining machine, which comprises a servo motor 1, a positioning shaft 2, a supporting seat 3, a signal table 4, a main case 5, four lifting screws 6, a control case 7, and a positioning and pressure maintaining device 8, wherein the servo motor 1 is electrically connected with the control case 7 through a wire, the main case 5 is electrically connected with the control case 7, the signal table 4 is arranged on the main case 5, the servo motor 1 is fixed on the supporting seat 3, the positioning shafts 2 are provided with four positioning shafts, the four positioning shafts penetrate through the supporting seat 3 and are vertically fixed with the main case 5, the lifting screws 6 are driven by the servo motor 1, the lifting screws 6 are arranged on the positioning and pressure maintaining device 8, the positioning and pressure maintaining device 8 is composed of a pressure maintaining plate a, a screw groove b, a horizontal structure c, and a lifting cylinder d, the pressure maintaining plate a is provided with four screw, the horizontal structure c is connected with a lifting cylinder d, the horizontal structure c is arranged at the center of a pressure maintaining plate a and vertically penetrates through the pressure maintaining plate a to be directly contacted and attracted with a mould upper mould plate, the screw groove b consists of a circular notch b1, a signal contact b2 and a signal lead b3, a lifting screw 6 is movably sleeved in the circular notch b1, the diameter of the circular notch b1 is 1-2cm larger than that of the lifting screw 6, the signal contact b2 is arranged in the circular notch b1, the signal contact b2 is electrically connected with a servo motor 1 through the signal lead b3, four circular notches b1 are uniformly distributed around the pressure maintaining plate a and are just opposite to the lifting screw 6, the horizontal structure c matched with the mould is combined with the screw groove b to keep the mould horizontal all the time, the circular notch b1 of the screw groove b and the signal contact b2 enable the four lifting screws 6 to be triggered and started by the lifting screw 6 to keep the same length, the problems of bending and breaking of the rod body and pressure maintaining flash of the mold due to uneven mold and different lengths of the lifting screw 6 are prevented.

Example 2

As shown in fig. 4-5, the horizontal structure c includes a positioning plate c1, a fixture block c2, a spiral column c3, a spiral texture c4, and a lower pressing plate c5, the positioning plate c1 is integrated with the spiral column c3, the outer ends of both sides of the spiral column c3 are provided with a fixture block c2, the spiral column c3 is in threaded fit with the lower pressing plate c5 through a spiral texture c4, the fixture block c2 is vertically fastened and fixed with the lower pressing plate c5, the positioning plate c1 is in contact with the upper mold plate through a pressure-maintaining plate a, the positioning plate c1 is a circular structure, and includes a pull rod c1, a rubber plate c1, a vacuum chuck c1, and a cover c1, the cover c1 is closed on the vacuum chuck c1 and connected with the pull rod c1, more than two vacuum chucks c1 are uniformly distributed on the circumferential surface of the inner circle of the rubber plate c1, one end of the pull rod c1 is far away from the spiral column c1 and is fixed with the rotating core 1 together with the rotating core 1, the covering body c13 and the vacuum chuck c13 are located in a circular groove concentric with the rubber disk body c12, the horizontal structure c is in spiral lifting fit through the lifting cylinder d, the horizontal structure c is adsorbed by vacuum adopted by the positioning disk c1, the positioning disk c1 slides downwards in a spiral mode to provide conditions for the covering body c14 to open the vacuum chuck c13, the covering body c14 can be used for wiping the cleanliness of the suction area of the vacuum chuck c13, and the fixation firmness of adsorption is improved.

The working principle of the fully automatic pressure maintaining machine in the above technical scheme is explained as follows:

the pressure maintaining working process of the pressure maintaining machine is a process of alternating stress, in order to prevent the occurrence of the snapping phenomenon caused by temperature strain and composite strain, a horizontal structure c and a screw groove b are arranged in a positioning pressure maintaining device 8, a lifting cylinder d is started, a spiral texture c4 matched with a spiral column c3 vertically slides downwards, a positioning disc c1 is connected to vertically slide out in a spiral mode along a lower pressing plate c5, a clamping block c2 arranged on the outer side of the spiral column c3 is clamped with the lower pressing plate c5, the positioning disc c1 and the bottom of the lower pressing plate c5 are kept on the same horizontal line, in the process of spirally pushing out the spiral column c3, a rotating core matched with the spiral column c3 synchronously rotates, therefore, a pull rod c11 opens a covering body c14 in the rotating process, a vacuum suction cup c13 is completely fixed with the mold, and the positioning disc c1 and the lower pressing plate c5 are kept on the same horizontal line to play a role of correcting the mold, the unevenness of the mould is prevented;

the screw groove b1 faces the lifting screw 6, the lifting screw 6 is sleeved in the screw groove b1 in the pushing process, if the lifting screw 6 is different in length, the signal contact b2 located in the screw groove b1 cannot be removed, so that the lifting screw 6 cannot work, the bending or breaking phenomenon of a rod body cannot occur, only four lifting screws 6 completely contact the signal contact b2, a touch signal is communicated with the servo motor 1 through the signal lead b3, the four lifting screws 6 are synchronously pushed out, and the pressure maintaining work of the injection mold is completed.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "length," "width," "height," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "side," and the like, as used herein, are used in an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Claims

1. The utility model provides a press is protected to full-automatic which characterized in that: its structure includes servo motor (1), location axle (2), supporting seat (3), signal station (4), mainframe box (5), lifting screw (6), control box (7), location pressurizer (8), servo motor (1) passes through wire and control box (7) electric connection, mainframe box (5) and control box (7) adopt electric connection be equipped with signal station (4) on mainframe box (5), be fixed with servo motor (1) on supporting seat (3), location axle (2) are equipped with four, run through in supporting seat (3) and mainframe box (5) vertical fixation, lifting screw (6) are driven with servo motor (1), lifting screw (6) set up on location pressurizer (8), location pressurizer (8) are constituteed and are had pressurize board (a), screw groove (b), Horizontal structure (c), lift cylinder (d), be equipped with four screw rod grooves (b) on the guarantor's board (a), horizontal structure (c) are connected with lift cylinder (d), guarantor's board (a) positive central point is located in horizontal structure (c), and is to run through perpendicularly and mould cope match-plate pattern direct contact actuation.

2. The full-automatic pressure maintaining machine according to claim 1, characterized in that: screw rod groove (b) comprises circular notch (b 1), signal contact (b 2), signal conductor (b 3), the movable sleeve is equipped with lifting screw (6) in circular notch (b 1), and the diameter of circular notch (b 1) is greater than lifting screw (6) diameter and is 1-2cm, be equipped with signal contact (b 2) in circular notch (b 1), signal contact (b 2) pass through signal conductor (b 3) and servo motor (1) electric connection.

3. The full-automatic pressure maintaining machine according to claim 2, characterized in that: the number of the circular notches (b 1) is four, and the circular notches are uniformly distributed around the pressure-holding plate (a) and are opposite to the lifting screw (6).

4. The full-automatic pressure maintaining machine according to claim 1, characterized in that: horizontal structure (c) include positioning disk (c 1), fixture block (c 2), spiral post (c 3), spiral texture (c 4), holding down plate (c 5), positioning disk (c 1) and spiral post (c 3) are as an organic whole, the both sides outer end of spiral post (c 3) is equipped with fixture block (c 2), spiral post (c 3) are for screw-thread fit through spiral texture (c 4) and holding down plate (c 5).

5. The full-automatic pressure maintaining machine according to claim 4, characterized in that: the fixture block (c 2) is vertically clamped and fixed with the lower pressure plate (c 5), and the positioning disc (c 1) is contacted with the upper die plate of the die through the pressure maintaining plate (a).

6. The full-automatic pressure maintaining machine according to claim 1 or 5, characterized in that: the positioning disc (c 1) is of a circular structure and comprises a pull rod (c 11), a rubber disc body (c 12), a vacuum chuck (c 13) and a covering body (c 14), wherein the covering body (c 14) is closed on the vacuum chuck (c 13) and is connected with the pull rod (c 11), and more than two vacuum chucks (c 13) are uniformly distributed on the inner circumferential surface of the rubber disc body (c 12).

7. The full-automatic pressure maintaining machine according to claim 6, characterized in that: the end of the pull rod (c 11) drawn out from the covering body (c 14) converges with a rotary core, and the rotary core is fixed with the spiral column (c 3).