CN219055292U - Mould closing device capable of rapidly switching single air bag and double air bags - Google Patents

Abstract

The application discloses compound die device of single two gasbag fast switch over includes: the first die carrier, second die carrier, mould shell subassembly, the mould shell subassembly includes: the first die shell and the second die shell are respectively and fixedly connected with the first die shell and the second die shell through locking bolts, the first die shell is taken as an example, a first sealing groove is formed in the outer surface of the upper end of the first die shell, a second sealing groove is formed in the outer surface of the first die shell, and a first air bag and a second air bag are respectively arranged at the positions of the first die shell, which are located in the first sealing groove and the second sealing groove; the inside at first die carrier is provided with first air flue and second air flue, and the one end of first air flue corresponds the first gasbag of first seal groove, and the one end of second air flue corresponds the second gasbag of second seal groove. The utility model can prevent the mold from being slotted caused by overlarge mold expanding force in the mold cavity in the production process of the bottle blowing machine, and reduce the generation of the mold closing line on the surface of the product.

Description

Mould closing device capable of rapidly switching single air bag and double air bags

Technical Field

The utility model relates to the technical field of plastic molds, in particular to a mold clamping device capable of rapidly switching single and double air bags.

Background

The bottle blowing machine is a device for manufacturing plastic particles into a hollow container through a blow molding process, and a mold clamping device in the bottle blowing machine is required to perform molding operation on a product in the use process of the bottle blowing machine, but a mold is required to generate a slit (a mold clamping line is formed on the surface of the product) due to mold expansion force during bottle blowing in the process of product molding, so that the mold clamping device has enough mold clamping force and mold clamping force for keeping the mold clamping force from being reduced.

In the prior art, a mold clamping device of a bottle blowing machine comprises: the die set is characterized in that the die set comprises a die frame, a left die holder, a right die holder, a left bottle body die and a right bottle body die, wherein the left die holder and the right die holder are horizontally and horizontally arranged on the die frame in a sliding manner, the left bottle body die is fixed on the left die holder, the right bottle body die is fixed on the right die holder, the left bottle body die and the right bottle body die are mutually matched, and the left die holder and the right die holder are driven to open and close the die by using four sets of connecting rod mechanisms;

therefore, at present, some devices cancel the use of a link mechanism to fix the mold, a pressurizing plate is arranged on a mold locking plate, an air inlet and an air outlet are arranged on the mold locking plate, the air inlet is connected with a high-pressure air source, a mold is fixedly connected to the inner side of the pressurizing plate, the mold locking plate is closed when in use, the high-pressure air source is opened, high-pressure air is applied to the pressurizing plate through the air outlet on the mold locking plate, the pressurizing plate moves forward under the action of the air pressure, the molds are mutually extruded and locked, however, a sealing ring between the pressurizing plate and the mold locking plate is loosened in the process of moving forward of the pressurizing plate, so that the air leakage phenomenon is caused, the pressurizing mold locking force is reduced, and each pressurizing mold locking needs to be fully opened by the high-pressure air, the mold locking device cannot adapt to different molds, the pressurizing area is uneven, and resource waste is caused.

Disclosure of Invention

The utility model aims to provide a mold clamping device capable of rapidly switching single and double air bags, which is used for solving the problem that a mold clamping line is generated on the surface of a product due to the fact that the mold clamping device is slotted due to mold expanding force when a bottle blowing machine is used for producing the product in the prior art.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical scheme: the utility model provides a single dual gasbag quick switch's closing device, includes first die carrier, second die carrier, is provided with the compound die articulated shaft in the articulated department of first die carrier and second die carrier, and first die carrier and second die carrier carry out the compound die through compound die articulated shaft and form one and hold the chamber, its characterized in that: two symmetrical arc-shaped sealing plates are fixedly connected to the upper surfaces of the first die carrier and the second die carrier respectively, a die shell assembly is fixedly connected to the surfaces of a containing cavity formed by die assembly of the first die carrier and the second die carrier respectively, a die is arranged on the inner wall surface of the die shell assembly, a bottom plugging device is arranged below the die shell assembly, and the die shell assembly comprises: the first die shell and the second die shell are arranged in the same structure, the first die shell and the second die shell are symmetrically arranged, the first die shell and the second die shell are fixedly connected with the first die frame and the second die frame through locking bolts respectively, a first sealing groove is formed in the outer surface of the upper end of the first die shell and is located below the first sealing groove, a second sealing groove is formed in the outer surface of the first die shell, the circumference of the first sealing groove is larger than that of the second sealing groove, and a first air bag and a second air bag are respectively arranged at the positions of the first die shell, which are located in the first sealing groove and the second sealing groove; the high-pressure vent holes penetrate through the first die carrier towards the direction of the first sealing groove, a first air passage and a second air passage are arranged below the high-pressure vent holes in the first die carrier, the first air passage and the second air passage are arranged in a conical manner, one end of the first air passage corresponds to a first air bag of the first sealing groove, one end of the second air passage corresponds to a second air bag of the second sealing groove, a valve is arranged at the intersection of the first air passage and the second air passage, and the use of the second air bag can be controlled by the valve; the die comprises: the first die is fixedly connected with the second die shell, the second die is fixedly connected with the first die shell, and a cavity is formed after the first die and the second die are assembled and used for accommodating a formed part.

Further, in the embodiment of the utility model, a high-pressure air pipe connected with external air is arranged inside the high-pressure vent hole; the valve includes: the mounting seat is fixedly arranged at the junction of the first air passage and the second air passage of the first die carrier through a screw, a tightening head is concentrically arranged in the mounting seat, a sealing ring is embedded in the periphery of the tightening head to be sealed with the inner wall surface of the mounting seat, and a sealing plate is arranged in one side of the tightening head facing the first die carrier.

Further, in the embodiment of the utility model, a high-pressure vent hole, a first air passage and a second air passage which are arranged in the same way as the first die frame are arranged in the second die frame, a high-pressure air pipe is arranged in the high-pressure vent hole of the second die frame, and a valve is arranged at the junction of the first air passage and the second air passage of the second die frame.

Further, in the embodiment of the utility model, a mold locking hole is formed in one side, far away from the mold closing hinge shaft, of the second mold frame, a first locking shaft is inserted and connected into the mold locking hole, a locking block is arranged at the lower end of the first locking shaft, a second locking shaft is inserted and connected at one end of the locking block, and the second locking shaft is fixedly connected with the mold locking hole of the second mold frame.

Further, in the embodiment of the utility model, the first locking shaft and the second locking shaft lock and fix the first die frame and the second die frame when the first die frame and the second die frame are clamped.

The beneficial effects of the utility model are as follows: according to the utility model, the air bags are divided into two areas through the first sealing groove and the second sealing groove, so that applicability can be improved for forming parts (small bottle type and large bottle type) with different specifications, the use of the air bags can be reduced when the forming parts with different specifications are corresponding to the forming parts, the air bags are not required to be started simultaneously every time, the first die and the second die can be extruded and fixed only by starting the air bags in the first sealing groove when the forming parts (small bottle type) are corresponding to the forming parts, the first die and the second die are prevented from being subjected to omnibearing extrusion and fixation by starting the air bags in the first sealing groove, the forming parts (small bottle type) are prevented from being subjected to slotting phenomenon due to air pressure in the cavity, the forming parts (large bottle type) are prevented from being subjected to surface forming lines, and when the forming parts (large bottle type) are corresponding to the forming parts, the valve is started to drive the sealing plate to be separated from the through holes at the junction of the first air passage and the second air passage through the tightening head, so that air in the first air bag flows into the second air bags through the first air passage, the second air bags are started, the first air bags are mutually matched with the first air bags, and the first die and the second die are extruded and fixed.

Drawings

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

Fig. 1 is a schematic diagram of an overall structure of a mold clamping device with a single-airbag and double-airbag fast switching function according to an embodiment of the utility model.

Fig. 2 is a schematic view showing an internal structure of the mold clamping device after the first mold frame in fig. 1 is cut.

Fig. 3 is a schematic overall sectional structure of the mold clamping device in fig. 1.

Fig. 4 is a partially enlarged schematic view of the structure at a in fig. 3.

10. First die carrier 101, sealing plate 102 and locking bolt

103. First lock shaft 104, second lock shaft 105, high pressure vent

106. First air passage 107, second air passage 20 and second die carrier

30. Mold clamping hinge shaft 40, first mold 401, and second mold

402. Cavity 403, parting line 50, high pressure air tube

60. Valve 601, mounting seat 602, screw head

603. Sealing plate 70, bottom plug 80 and shuttering assembly

801. First mold shell 8011, second seal groove 8012, first seal groove

802. Second mould shell

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

As shown in fig. 1, 2 and 3, the embodiment discloses a mold clamping device with single and double air bags for rapid switching, which comprises a first mold frame 10 and a second mold frame 20, wherein a mold clamping hinge shaft 30 is arranged at a hinge joint of the first mold frame 10 and the second mold frame 20, the first mold frame 10 and the second mold frame 20 are clamped through the mold clamping hinge shaft 30 to form a containing cavity, two symmetrical arc-shaped sealing plates 101 are fixedly connected to the upper surfaces of the first mold frame 10 and the second mold frame 20 respectively, a mold shell assembly 80 is fixedly connected to the surfaces of the containing cavity formed by clamping the first mold frame 10 and the second mold frame 20 respectively, and a mold is arranged on the inner wall surface of the mold shell assembly 80, and specifically, in the embodiment, the mold comprises: the first mould 40, the second mould 401, first mould 40 and second mould 802 fixed connection, second mould 401 and first mould 801 fixed connection form die cavity 402 and are used for holding the shaping piece after first mould 40 and second mould 401 die sinking, are provided with the end stop device 70 in the below of mould.

As shown in fig. 2 and 3, the formwork assembly 80 includes: the first die shell 801 and the second die shell 802 are arranged in the same structure, the first die shell 801 and the second die shell 802 are symmetrically arranged, the first die shell 801 and the second die shell 802 are fixedly connected with the first die frame 10 and the second die frame 20 through locking bolts 102 respectively, a first sealing groove 8012 is arranged on the outer surface of the upper end of the first die shell 801 and is located below the first sealing groove 8012, a second sealing groove 8011 is arranged on the outer surface of the first die shell 801, the circumference of the first sealing groove 8012 is larger than that of the second sealing groove 8011, sealing pieces are arranged on the first sealing groove 8012 and the second sealing groove 8011, and a first air bag and a second air bag are arranged at the positions of the first die shell 801 located in the first sealing groove 8012 and the second sealing groove 8011 respectively.

As shown in fig. 2, a high pressure vent 105 is penetrating in the first mold frame 10 towards the direction of the first sealing groove 8012, a high pressure air pipe 50 connected with external air is arranged in the high pressure vent 105, a first air passage 106 and a second air passage 107 are arranged below the high pressure vent 105 in the first mold frame 10, the first air passage 106 and the second air passage 107 are arranged in a conical manner, one end of the first air passage 106 corresponds to a first air bag of the first sealing groove 8012, one end of the second air passage 107 corresponds to a second air bag of the second sealing groove 8011, and a valve 60 is arranged at the intersection of the first air passage 106 and the second air passage 107, so that the use of the second air bag can be controlled by the valve 60, specifically, in this embodiment, as shown in fig. 2, 3 and 4, the valve 60 comprises: the mounting seat 601, the mounting seat 601 is fixedly arranged at the intersection of the first air channel 106 and the second air channel 107 of the first die carrier 10 through screws, a tightening head 602 is concentrically arranged in the mounting seat 601, a sealing ring is embedded in the periphery of the tightening head 602 to be sealed with the inner wall surface of the mounting seat 601, a sealing plate 603 is arranged in one side of the tightening head 602 facing the first die carrier 10, and the air bag is divided into two areas through a first sealing groove 8012 and a second sealing groove 8011 so as to improve the applicability of the air bag corresponding to formed parts (small bottle type and large bottle type) with different specifications, and the use of the air bag can be reduced when the air bag corresponding to the formed parts with different specifications, and the air bag is not required to be started simultaneously every time;

the second die carrier 20 is partially identical with the first die carrier 10, the high-pressure vent 105, the first air channel 106 and the second air channel 107 which are arranged in the same way as the first die carrier 10 are arranged in the second die carrier 20, the high-pressure air pipe 50 is arranged in the high-pressure vent 105 of the second die carrier 20, the valve 60 is arranged at the junction of the first air channel 106 and the second air channel 107 of the second die carrier 20, when a corresponding formed part (in a small bottle type) is formed, the first die 40 and the second die 401 can be extruded and fixed only by starting the first air bag in the first sealing groove 8012, the phenomenon that the air pressure in the cavity 402 is slotted between the first die 40 and the second die 401 in the manufacturing process is prevented, the surface of the formed part (in a small bottle type) is caused to generate a die closing line 403, and when the corresponding formed part (in a large bottle type) is formed, the valve 60 is started to drive the sealing plate 603 to be separated from the through hole at the junction of the first air channel 106 and the second air channel 107 through the screwing head 602, so that air in the first air bag flows through the second air channel 107 into the second air channel 107 to enter the second air channel 8012, the second air bag 107, the first air bag is extruded and the second die 8011 is fully matched with the first air bag 401 in the manufacturing process, and the first die 401 is fully matched with the second die 401, and the first die 8011 is completely matched with the first die, and the first die 8011 is reduced, and the probability is realized, and the probability that the die probability is fully matched with die and the die is produced.

As shown in fig. 2, a mold locking hole is formed in one side of the second mold frame 20 away from the mold closing hinge shaft 30, a first locking shaft 103 is inserted into the mold locking hole, a locking block is arranged at the lower end of the first locking shaft 103, a second locking shaft 104 is inserted into one end of the locking block, the second locking shaft 104 is fixedly connected with the mold locking hole of the second mold frame 20, and the first locking shaft 103 and the second locking shaft 104 lock and fix the first mold frame 10 and the second mold frame 20 when the first mold frame 10 and the second mold frame 20 are closed.

The working principle of the utility model is as follows: the die assembly hinge shaft 30 is rotated by starting an externally arranged driving mechanism (not shown in the figure), the first die frame 10 and the second die frame 20 are driven to rotate by the die assembly hinge shaft 30 to fold, the first die shell 801 and the second die shell 802 which are internally arranged are also folded along with the rotation when the first die frame 10 and the second die frame 20 are folded, the first die 40 and the second die 401 which are internally arranged are matched when the first die shell 801 and the second die shell 802 are rotated to fold, a die cavity 402 is formed inside the first die 40 and the second die 401, then a forming part is manufactured in the die cavity 402, and the first locking shaft 103 and the second locking shaft 104 penetrate into a die locking hole after the first die frame 10 and the second die frame 20 are folded, so that the first die frame 10 and the second die frame 20 are locked and fixed;

when a molded part (in a small bottle shape) is blown in the cavity 402, the mold is positioned in a first sealing groove 8012 of a first mold shell 801, the valve 60 is in a closed state, the screwing head 602 moves towards the directions of the first air channel 106 and the second air channel 107, the screwing head 602 carries the sealing plate 603 to move along, and the junction through hole of the first air channel 106 and the second air channel 107 is sealed by the sealing plate 603, so that high-pressure gas introduced by the high-pressure gas pipe 50 flows into the first air bag through the high-pressure vent 105 and does not flow into the second air bag, and the first air bag in the first sealing groove 8012 is extruded, thereby reducing the slotting phenomenon of the first mold 40 and the second mold 401 in the blowing process of the molded part (in the small bottle shape), and reducing the phenomenon of generating a die closing line 403 on the surface of the molded part (in the small bottle shape);

when the molding part (in a large bottle shape) is blown in the cavity 402, the mold is positioned in the middle of the first sealing groove 8012 and the second sealing groove 8011, then the valve 60 is started, the tightening head 602 is moved in a direction away from the first air channel 106 and the second air channel 107, the tightening head 602 is used for carrying out follow-up movement with the sealing plate 603, the sealing plate 603 is separated from the through hole at the junction of the first air channel 106 and the second air channel 107, high-pressure gas introduced by the high-pressure gas pipe 50 flows into the first air channel through the high-pressure vent 105, flows into the second air channel 107 through the first air channel 106, flows into the second air channel 107 by utilizing the second air channel 107, the first air channel 8012 and the second air channel in the second sealing groove 8011 are extruded, the phenomenon that the surface of the molding part (in a large bottle shape) is reduced by extruding the first mold 40 and the second mold 401 through the first air channel and the second air channel, and the phenomenon that the pressure of the first air channel and the second air channel is closed-shaped, and the pressure of the second air channel is switched rapidly when different bottle shapes are produced.

While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.

Claims (5)

1. The utility model provides a single dual gasbag quick switch's closing device, includes first die carrier, second die carrier, is provided with the compound die articulated shaft in the articulated department of first die carrier and second die carrier, and first die carrier and second die carrier carry out the compound die through compound die articulated shaft and form one and hold the chamber, its characterized in that: two symmetrical arc-shaped sealing plates are fixedly connected to the upper surfaces of the first die carrier and the second die carrier respectively, a die shell assembly is fixedly connected to the surfaces of a containing cavity formed by die assembly of the first die carrier and the second die carrier respectively, a die is arranged on the inner wall surface of the die shell assembly, a bottom plugging device is arranged below the die shell assembly, and the die shell assembly comprises: the first die shell and the second die shell are arranged in the same structure, the first die shell and the second die shell are symmetrically arranged, the first die shell and the second die shell are fixedly connected with the first die frame and the second die frame through locking bolts respectively, a first sealing groove is formed in the outer surface of the upper end of the first die shell and is located below the first sealing groove, a second sealing groove is formed in the outer surface of the first die shell, the circumference of the first sealing groove is larger than that of the second sealing groove, and a first air bag and a second air bag are respectively arranged at the positions of the first die shell, which are located in the first sealing groove and the second sealing groove;

the high-pressure vent holes penetrate through the first die carrier towards the direction of the first sealing groove, a first air passage and a second air passage are arranged below the high-pressure vent holes in the first die carrier, the first air passage and the second air passage are arranged in a conical manner, one end of the first air passage corresponds to a first air bag of the first sealing groove, one end of the second air passage corresponds to a second air bag of the second sealing groove, a valve is arranged at the intersection of the first air passage and the second air passage, and the use of the second air bag can be controlled by the valve;

the die comprises: the first die is fixedly connected with the second die shell, the second die is fixedly connected with the first die shell, and a cavity is formed after the first die and the second die are assembled and used for accommodating a formed part.

2. The mold clamping device for rapid switching of single and double airbags according to claim 1, wherein a high-pressure air pipe connected with external air is provided inside the high-pressure vent hole;

the valve includes: the mounting seat is fixedly arranged at the junction of the first air passage and the second air passage of the first die carrier through a screw, a tightening head is concentrically arranged in the mounting seat, a sealing ring is embedded in the periphery of the tightening head to be sealed with the inner wall surface of the mounting seat, and a sealing plate is arranged in one side of the tightening head facing the first die carrier.

3. The mold clamping device for rapidly switching single and double air bags according to claim 2, wherein a high-pressure vent hole, a first air passage and a second air passage which are arranged in the same way as the first mold frame are arranged in the second mold frame, a high-pressure air pipe is arranged in the high-pressure vent hole of the second mold frame, and a valve is arranged at the junction of the first air passage and the second air passage of the second mold frame.

4. The mold clamping device for rapidly switching single and double airbags according to claim 3, wherein a mold locking hole is formed in one side, away from the mold clamping hinge shaft, of the second mold frame, a first locking shaft is inserted and connected into the mold locking hole, a locking block is arranged at the lower end of the first locking shaft, a second locking shaft is inserted and connected into one end of the locking block, and the second locking shaft is fixedly connected with the mold locking hole of the second mold frame.

5. The mold clamping device for rapid switching between single and double air bags according to claim 4, wherein the first mold frame and the second mold frame are locked and fixed by the first locking shaft and the second locking shaft when the first mold frame and the second mold frame are clamped.

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