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CN-121973402-A - Water meter cover die

CN121973402ACN 121973402 ACN121973402 ACN 121973402ACN-121973402-A

Abstract

The application relates to the technical field of water meter assembly processing equipment, in particular to a water meter cover die which comprises a linear driving device, a fixed cylinder, a moving module and a rotating ring, wherein a cylinder body is moved by a fixed rod body, so that the overall stability is improved, and the structure is more compact; after the watch cover is injection molded in the molding cavity, the movable module is firstly moved in a direction deviating from the fixed module, the hook part of the watch cover is arranged in a staggered manner with the fixed cylinder in the radial direction, then the linear driving device is enabled to act, the rotating ring in power connection with the linear driving device is enabled to circumferentially rotate, the watch cover is driven to circumferentially rotate, and the hook part is enabled to be separated from the profiling groove, so that the advantage of demolding is facilitated.

Inventors

  • ZHENG YUEHUI
  • Xu Yuanxia
  • LIN ZHILIANG

Assignees

  • 宁波东海集团有限公司

Dates

Publication Date
20260505
Application Date
20260304

Claims (8)

  1. 1. A water meter cover die is used for forming a meter cover, and comprises a bottom surface part and a vertical cylinder part, wherein the bottom surface part is positioned at one end of the vertical cylinder part, which is away from the bottom surface part, is provided with a plurality of hooks, the bottom surface part is provided with a central hole, the edge of the central hole is provided with a first extension part, the first extension part extends from the bottom surface part to the vertical cylinder part, which is provided with the hooks, one end of the bottom surface part, which is away from the vertical cylinder part, is provided with annular protrusions, and the water meter cover die is characterized by comprising The die body combination, a plurality of cores, linear drive device and base, the die body combination is including removing module, fixed module and rotation module, remove the module remove set up in on the base, remove the module have filling port and shaping chamber, the filling port with shaping chamber intercommunication, fixed module includes a fixed section of thick bamboo, each the core is all arranged on the fixed section of thick bamboo in a liftable way, just the one end of core all stretches into shaping chamber, just the core has the profile modeling recess, rotation module includes the swivel becket, swivel becket rotatable and liftable cover is located the outside of fixed section of thick bamboo, linear drive device fixed mounting is in on the removal module, linear drive device with swivel becket power is connected, linear drive device includes fixing base, dead lever and movable cylinder, the fixing base with remove module fixed connection, the both ends of dead lever with fixing base fixed connection, movable cylinder slidable mounting is in on the dead lever, movable cylinder with the swivel becket power is connected.
  2. 2. The water meter cover die set of claim 1, wherein the moving die set comprises a first die plate, a second die plate and a third die plate, the second die plate is arranged between the first die plate and the third die plate, the second die plate comprises a die plate seat, a sealing piece and an upper sealing cover, the die plate seat is provided with a first through hole, the sealing piece is arranged in the first through hole, the sealing piece is provided with a through forming hole, the upper sealing cover is arranged at one end of the first through hole, which is far away from the third die plate, the upper sealing cover is provided with a first annular notch and a first conical surface at one end, which is close to the fixed cylinder, a plurality of first sliding grooves are arranged in an annular array, the first sliding grooves are slidably provided with the core, when the second die plate, the third die plate and the fixed die set are abutted against each other in the height direction, the one end is close to the first through hole, the first conical surface and the first annular notch and the first conical surface are formed at the same distance from the first side wall and the first annular notch and the first conical surface form a common forming channel, the first channel and the first channel.
  3. 3. The water meter cover die set forth in claim 2, wherein the end face of the fixed cylinder, which is close to the sealing piece, is provided with a cross flow groove and a flow hole, the flow hole is communicated with the first annular groove, and the center of the cross flow groove is communicated with the injection port.
  4. 4. The water meter cover die set forth in claim 3, wherein one side of the rotary ring has a first tooth portion, the movable cylinder has a rack portion, the rotary module further comprises a transfer gear rotatably mounted on the third die plate, the transfer gear is engaged with the rack portion and the first tooth portion, respectively, and the rotary ring further has a second extension portion extending into the second passage.
  5. 5. The water meter cover die set forth in claim 4, wherein the fixing base comprises a strip portion and two bending portions, both ends of the strip portion are bent at a predetermined angle in a direction away from the third die plate and form the bending portions, the strip portion and the two bending portions form a concave shape together, the fixing rod is located between the two bending portions, both ends of the fixing rod are respectively connected with the two fixing rods, a guiding notch is formed in one side of the movable cylinder, which is close to the third die plate, the strip portion extends into the guiding notch, the strip portion is fixedly connected with the third die plate, and a rack portion is formed in one side of the strip portion, which is away from the bending portions.
  6. 6. The water meter cover die set forth in claim 5, further comprising a top rod, wherein the center of the fixed cylinder is provided with a lifting hole, the top rod is arranged in the lifting hole in a lifting manner, and one end of the lifting hole is communicated with the cross launder.
  7. 7. The water meter cover die of claim 2, wherein the side surface of the fixed cylinder is a conical surface.
  8. 8. The water meter housing mold of claim 6 wherein the closure further has a cooling channel.

Description

Water meter cover die Technical Field The application relates to the technical field of water meter assembly processing equipment, in particular to a water meter cover die. Background The water meter is a metering device for measuring and recording the water volume flowing through a water supply pipeline, the water meter comprises a meter cover, and a patent document (CN 217032636U) discloses a water meter, and the water meter comprises the meter cover as can be seen from figure 1 of the specification drawing, and the meter cover is formed by injection molding of a mold. As shown in fig. 8 and 9, a conventional watch case includes a bottom surface portion 901 and a vertical tube portion 902, wherein the bottom surface portion 901 is located at one end of the vertical tube portion 902, one end of the vertical tube portion 902 facing away from the bottom surface portion 901 is provided with a plurality of hooks 903, the bottom surface portion 901 is provided with a central hole 9011, the edge of the central hole 9011 is provided with a first extension portion 904, and the first extension portion 904 extends from the bottom surface portion 901 to one end of the vertical tube portion 902 having the hooks 903. After the above-mentioned watch case is injection molded, the edge of the center hole of the watch case has the first extension portion 904 extending toward the hook portion 903, so that the conventional oblique top core pulling mechanism cannot be adopted, and the oblique top core pulling mechanism needs to be moved toward the center to separate from the hook portion 903, and the existence of the first extension portion 904 can completely block the movement path of the oblique top, so as to interfere with the hook portion 903, and thus the demolding is difficult. In addition, the linear driving cylinder in the existing die is fixed, one end of the telescopic rod extends out of the cylinder and moves, so that the stability of the linear driving cylinder in operation is poor, and the occupied length of the linear driving cylinder is gradually increased in the process that the telescopic rod extends out of the cylinder, so that the overall size of the die is larger. There is therefore a need to provide a water meter cover mold that is easy to demold, has better stability, and is more compact. Disclosure of Invention The application mainly aims to provide a water meter cover die for forming a water meter cover, which comprises a bottom surface part and a vertical cylinder part, wherein the bottom surface part is positioned at one end of the vertical cylinder part, which is far away from the bottom surface part, is provided with a plurality of hook parts, the bottom surface part is provided with a central hole, the edge of the central hole is provided with a first extension part, the first extension part extends from the bottom surface part to one end of the vertical cylinder part, which is provided with the hook parts, the end of the bottom surface part, which is far away from the vertical cylinder part, is provided with an annular bulge, the water meter cover die comprises a die body combination, a plurality of cores, a linear driving device and a base, the die body combination comprises a moving module, a fixed module and a rotating module, the moving module is movably arranged on the base, the moving module is provided with an injection port and a forming cavity, the injection port is communicated with the forming cavity, the application discloses a rotary demoulding device, which comprises a fixing cylinder, a fixing module, a rotary demoulding mechanism, a linear driving device, a rotary demoulding mechanism and a rotary mould, wherein the fixing module comprises a fixing cylinder, each core is arranged on the fixing cylinder in a lifting manner, one end of each core extends into a forming cavity, the core is provided with a profiling groove, the rotary module comprises a rotary ring which is rotatably and liftably sleeved on the outer side of the fixing cylinder, the linear driving device is fixedly arranged on the movable module and is in power connection with the rotary ring, the linear driving device comprises a fixing seat, a fixing rod and a movable cylinder, the fixing seat is fixedly connected with the movable module, two ends of the fixing rod are fixedly connected with the fixing seat, the movable cylinder is slidably arranged on the fixing rod, the movable cylinder is in power connection with the rotary mould-removing mechanism, and the rotary mould-removing mechanism is arranged to drive a product to rotate through the rotation of the rotary ring, the application can avoid interference with the first extension part to realize smooth demoulding, and the linear driving device is a cylinder body moving without moving the fixed rod, thereby improving the integral stability. Another object of the present application is to provide a water meter cover mold, wherein the moving module includes a first