CN220591143U

CN220591143U - Hollow ventilation structure of die

Info

Publication number: CN220591143U
Application number: CN202322159790.5U
Authority: CN
Inventors: 徐继芳
Original assignee: Huangshi Gaoke Plastic Mould Co Ltd
Current assignee: Huangshi Gaoke Plastic Mould Co Ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-03-15
Anticipated expiration: 2033-08-10

Abstract

The utility model relates to a hollow ventilation structure of a mold, which comprises a mold main body, wherein a slot is arranged on the side wall of the mold main body, a bearing seat is arranged at the outer edge of the slot, an annular groove is arranged on the surface of the bearing seat, a connecting sleeve is also arranged on the mold main body, a fixed clamping seat and a positioning plate are respectively arranged at two ends of the connecting sleeve, and when the fixed clamping seat is movably inserted into the inner bottom surface of the slot, the positioning plate is just attached to the surface of the bearing seat and inserted into the annular groove through a limiting plate on the end surface; this application improves based on current ventilation structure, changes bolt fixed connection into the mode of joint and fixes to with under the condition that does not influence joint strength and simplify the connection process, at the in-process of installation or taking out, all only need continuously rotatory adapter sleeve can realize, whole dismouting process is very simple, need not structure such as bolt and carries out supplementary fixed, even carries out the dismouting repeatedly, also can not appear leading to appearing the fit clearance because of wearing and tearing.

Description

Hollow ventilation structure of die

Technical Field

The utility model relates to the technical field of ventilation structures, in particular to a hollow ventilation structure of a die.

Background

Extrusion die belongs to one kind of forming die, and its ejection of compact mode is realized through this action of extrusion. The aluminum alloy is widely applied to aluminum special-shaped structures and also used in plastic parts. The extruder is used for making pipes or profiles at the front end of the extruder.

In PVC's U-shaped pipe production, need use extrusion die to carry out the cooperation production, but in extrusion die's ventilation structure, the problem that the installation is not hard up often appears when being connected with processingequipment to the air vent, has greatly influenced the processingquality to the tubular product, and the dismouting is also very loaded down with trivial details in the follow-up maintenance in-process.

In the prior art, a chinese patent publication No. CN214521791U discloses a hollow adhesive tape ventilation structure of PVC-U pipe extrusion die, in the implementation process of this patent, the screw thread structure that still adopts is riveted fixed, although can effectively promote the stability of connection, but the mould needs to be changed regularly and maintained, therefore frequent dismantlement makes the screw wearing and tearing easily, leads to the cooperation to appear the clearance, influences follow-up production, and its mounting means of screw assembly is also comparatively loaded down with trivial details simultaneously, needs to revolve the bolt and fixes, influences the efficiency that the staff changed mould and maintained.

Disclosure of Invention

Based on the above expression, the utility model provides a hollow ventilation structure of a mold, so as to solve the following technical problems: 1. the ventilation structure of the existing extrusion die is easy to cause clearance due to abrasion in the repeated disassembly and assembly process, so that the stability of connection is affected; 2. the ventilation structure of the existing extrusion die is relatively complicated to operate in the disassembly and assembly process, and the disassembly and assembly efficiency of workers is affected.

The utility model is realized by the following technical scheme:

the utility model provides a mould cavity ventilation structure, includes the mould main part, be equipped with the slot on the lateral wall of mould main part, the outer edge of slot is equipped with the bearing frame, the surface of bearing frame is equipped with annular groove, still install connecting sleeve in the mould main part, connecting sleeve's both ends are equipped with fixed cassette and locating plate respectively, when fixed cassette activity was pegged graft in the slot inner bottom surface, the locating plate just laminates in the bearing frame surface and pegged graft inside annular groove through the limiting plate on the terminal surface.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the connecting sleeve is formed by mutually sleeving a first cylinder and a second cylinder, and the inner diameter of the first cylinder is larger than that of the second cylinder.

Further, be equipped with rotatable adjusting ring on the inner wall of first drum, the surrounding is provided with multichannel draw-in groove on the inside wall of adjusting ring, be equipped with rectangular bulge on the lateral wall of first drum and with adjusting ring adaptation connection.

Further, the fixed clamping seat is cylindrical, a through hole with the same size as the inner diameter of the connecting cylinder body is formed in the center of the fixed clamping seat, a plurality of mounting grooves are formed in the outer side wall of the fixed clamping seat, each mounting groove is internally provided with a pin shaft, a clamping plate is sleeved on each pin shaft, and the clamping plate can be outwards unfolded or contracted to the inside of each mounting groove by taking the pin shaft as the center.

Further, a supporting spring is further arranged on the bottom surface of the mounting groove, and the top end of the supporting spring is fixedly connected with the end face of the clamping plate.

Further, the whole of the clamping plate is arc-shaped, the end fillets are processed, and the inner wall of the slot extends outwards and is provided with an arc-shaped groove matched with the clamping plate.

Furthermore, the inside of the annular groove on the surface of the bearing seat is also provided with an elastic pad, the elastic pad is extruded towards two sides when the limiting plate is inserted into the annular groove, and the surface of the elastic pad is corrugated and is extruded with the surface of the limiting plate to form a plurality of sealing spaces.

Further, a rubber layer is also covered on the outer side wall of the connecting sleeve, and anti-skid patterns are arranged on the surface of the rubber layer.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

according to the novel air ventilation structure, the existing air ventilation structure is improved, the bolt fixing connection is changed into the clamping connection mode to be fixed, so that in the connection process is simplified under the condition that the connection strength is not affected, in the structure, the arc-shaped clamping plate is firstly taken in the fixing clamping seat and then is directly inserted into the slot, the clamping plate is jacked up by the elastic force of the supporting spring, the outer wall of the clamping plate is tightly attached to the inner wall of the slot, then the whole connecting sleeve is rotated, the position of the clamping plate is changed along with the change, and the clamping plate is quickly sprung up when the clamping plate moves to the arc-shaped groove in the slot, so that limit fixing is completed; in the process of taking out, only need continue rotatory connecting sleeve, the clamping plate on its lateral wall then can receive the influence of arc recess inner wall, and the shrink inwards gradually, until inside the fixed cassette of complete income, then directly pull out can, whole dismouting process is very simple, need not structure such as bolt and carries out supplementary fixed, even carries out the dismouting repeatedly, also can not appear leading to appearing the fit clearance because of wearing and tearing, stability obtains reinforcing.

Drawings

FIG. 1 is a schematic view of the structure of a mold body and a connecting sleeve in the present embodiment;

fig. 2 is a schematic structural view of a bearing seat in the present embodiment;

FIG. 3 is a schematic view of the structure of the arc-shaped groove in the present embodiment;

fig. 4 is a schematic structural diagram of the fixing clip seat in the present embodiment;

FIG. 5 is a schematic view of the structure of the annular groove and the limiting plate in the present embodiment;

FIG. 6 is a schematic view of the structure of the first cylinder, the second cylinder and the adjusting ring in the embodiment;

wherein: 1. a mold body; 11. a slot; 12. an arc-shaped groove; 2. a connecting sleeve; 21. a first cylinder; 22. a second cylinder; 23. an adjusting ring; 3. a bearing seat; 31. an annular groove; 32. an elastic pad; 4. a fixing clamping seat; 41. a mounting groove; 42. a pin shaft; 43. a clamping plate; 44. a support spring; 5. a positioning plate; 51. and a limiting plate.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Referring to fig. 1-6, a mold hollow vent structure comprising:

the front of the die main body 1 is provided with a slot 11 which extends into the die, and the top of the die main body is provided with an air hole which is communicated with the slot 11;

the connecting sleeve 2 is provided with a fixed clamping seat 4 and a positioning plate 5 at two ends, wherein the positioning clamping seat at one end is movably inserted into the slot 11 and is fixed in the slot by means of a knob;

the bearing seat 3 is arranged on the front surface of the die body 1 and is positioned on the outer edge of the slot 11 in a concentric manner, and an annular groove 31 is arranged on the surface of the bearing seat and is in adaptive connection with the positioning plate 5, so that the connecting sleeve 2 rotates more smoothly, and the connecting sleeve 2 and the die body 1 form a seal by means of the structure of the connecting part.

Specifically, the method comprises the following steps; the connecting sleeve 2 is composed of two first cylinders 21 and a second cylinder 22 which are movably connected with each other, wherein the inner diameter of the first cylinder 21 is larger than that of the second cylinder 22, so that the end part of the second cylinder 22 is sleeved in the first cylinder 21, the two ends of the connecting sleeve 2 are considered to be connected with external equipment so as to realize ventilation, the inner wall of the end part of the first cylinder 21 is provided with a rotatable adjusting ring 23, the end part of the second cylinder 22 is sleeved in the adjusting ring 23, the two cylinders are fixedly clamped by adopting a spline structure, namely, clamping grooves are formed in the inner wall of the adjusting ring 23 in a surrounding mode, rectangular protruding parts matched with the clamping grooves are arranged on the outer side wall of the second cylinder, the two cylinders are mutually spliced and fixed, and the two sides of the connecting sleeve are sealed by adopting sealing rings so as to avoid leakage during ventilation.

The fixed clamping seat 4 is cylindrical, the end face of the fixed clamping seat 4 is provided with a through hole with the size matched with the inner diameter of the connecting sleeve 2, the side wall surface is provided with a plurality of mounting grooves 41 in a surrounding mode, each mounting groove 41 is internally and fixedly provided with a pin shaft 42, the pin shaft 42 is sleeved with a clamping plate 43, and the clamping plate 43 can be unfolded or contracted towards the inner side and the outer side by taking the pin shaft 42 as the center.

In combination with the telescopic structure of the clamping plate 43 on the fixing clamping seat 4, in this embodiment, the inner wall of the slot 11 on the end face of the die main body 1 should be provided with the arc-shaped groove 12 with corresponding size, the arc-shaped groove 12 has the same structure as the clamping plate 43, and is arranged in a circumferential array at the center of the slot 11, and two adjacent arc-shaped grooves 12 are connected end to end, for example, as shown in fig. 3, so that the expansion and contraction of the clamping plate 43 can be completed only by rotating the fixing clamping seat 4 in the same direction, so that the rapid disassembly and assembly can be performed in the subsequent use process.

Based on the above-mentioned assembly structure to fixed cassette 4 and arc recess 12, this embodiment should still set up a supporting spring 44 at the tank bottom of mounting groove 41, and this supporting spring 44's the other end then with the tip fixed connection of clamping plate 43 and jack up it, therefore when fixed cassette 4 pegged graft in slot 11 inside, clamping plate 43 is in contact with the inner wall of slot 11 all the time, consequently once clamping plate 43 aligns with arc recess 12, then can the quick joint in inside for fixed cassette 4 can link into an organic whole with mould main part 1.

In order to maintain the sealing effect between the connecting sleeve 2 and the die body 1, therefore, an elastic pad 32 should be further arranged on the inner wall of the annular groove 31 on the top surface of the bearing seat 3, and a limiting plate 51 is arranged on the end surface of the positioning plate 5 at the end part of the connecting sleeve 2, the limiting plate 51 is arranged in an annular shape and is concentric with the connecting sleeve 2, the limiting plate 51 is vertically inserted into the annular groove 31 and presses the elastic pad 32 towards two sides to form a seal, in order to further improve the sealing effect and facilitate the insertion and extraction of the limiting plate 51, the surface of the elastic pad 32 should be provided with a wavy shape, so that the elastic pad 32 is contracted under the pressing of the limiting plate 51, a plurality of sealed spaces are formed, and then the sealing is completed.

In this embodiment, since the connecting sleeve 2 is formed by connecting the first cylinder 21 and the second cylinder 22, and the ends of the first cylinder 21 and the second cylinder 22 are provided with one fixing clip seat 4, the parts connected to the other end of the connecting sleeve 2 should also be configured in a similar structure to the slot 11, and the first cylinder 21 and the second cylinder 22 can rotate relative to each other, so that the two fixing clip seats 4 should be configured in opposite directions, and for convenience in rotation, a rubber layer should be provided on the outer side walls of the first cylinder 21 and the second cylinder 22, and anti-slip lines should be provided on the surfaces thereof, so as to be used for adjustment.

Moreover, in the present embodiment, it is also possible to appropriately lengthen the first cylinder 21 and the second cylinder 22 thereof and connect the adjusting ring 23 and the first cylinder 21 in a telescopically adjustable manner, so that the overall length of the first cylinder 21 and the second cylinder 22 can be changed according to actual needs for assembly and disassembly.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a mould cavity ventilation structure, its characterized in that, including mould main part (1), be equipped with slot (11) on the lateral wall of mould main part (1), the outer edge of slot (11) is equipped with bearing frame (3), the surface of bearing frame (3) is equipped with annular groove (31), still install connecting sleeve (2) on mould main part (1), the both ends of connecting sleeve (2) are equipped with fixed cassette (4) and locating plate (5) respectively, when fixed cassette (4) activity grafting in slot (11) inner bottom surface, locating plate (5) just in time laminate in bearing frame (3) surface and peg graft in annular groove (31) inside through limiting plate (51) on the terminal surface.

2. A mould hollow ventilation structure according to claim 1, characterized in that the connecting sleeve (2) consists of a first cylinder (21) and a second cylinder (22) which are mutually nested, and that the first cylinder (21) has a larger inner diameter than the second cylinder (22).

3. A hollow ventilation structure for a mold according to claim 2, wherein a rotatable adjusting ring (23) is provided on the inner wall of the first cylinder (21), a plurality of clamping grooves are provided around the inner wall of the adjusting ring (23), and a rectangular protruding portion is provided on the outer wall of the first cylinder (21) and is adapted to be connected with the adjusting ring (23).

4. The hollow ventilation structure of the mold according to claim 1, wherein the fixing clamping seat (4) is cylindrical, a through hole with the same size as the inner diameter of the connecting cylinder is formed in the center of the fixing clamping seat, a plurality of mounting grooves (41) are formed in the outer side wall of the fixing clamping seat (4), a pin shaft (42) is arranged in each mounting groove (41), a clamping plate (43) is sleeved on each pin shaft (42), and the clamping plate (43) can be outwards unfolded or contracted into the mounting groove (41) by taking the pin shaft (42) as the center.

5. The hollow ventilation structure of a mold according to claim 4, wherein a supporting spring (44) is further provided on the bottom surface of the installation groove (41), and the top end of the supporting spring (44) is fixedly connected with the end surface of the engagement plate (43).

6. A hollow ventilation structure for moulds according to claim 4, characterized in that the clamping plate (43) is arc-shaped and has rounded end portions, and the inner wall portion of the slot (11) extends outwards and is formed with arc-shaped grooves (12) adapted to the clamping plate (43).

7. The hollow ventilation structure of a mold according to claim 1, wherein an elastic pad (32) is further disposed inside the annular groove (31) on the surface of the bearing seat (3), the elastic pad (32) is pressed towards two sides when the limiting plate (51) is inserted inside the annular groove (31), and the surface of the elastic pad (32) is corrugated and is pressed with the surface of the limiting plate (51) to form a plurality of sealing spaces.

8. A hollow ventilation structure for moulds according to claim 1, characterized in that the outer side wall of the connecting sleeve (2) is further covered with a rubber layer, the surface of which is provided with anti-slip patterns.