Zirconium oxide ceramic watch shell forming preparation mold

By designing a buffer mechanism in the mold and relieving the impact force with a spring, the problem of damage caused by excessive impact force in the molding process of the watch case is solved, and the service life and production efficiency of the mold are improved.

CN222807327UActive Publication Date: 2025-04-29SHANDONG DDM HI-TECH DEV CO LTD
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Patent Information

Application Number
CN202421406702.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-04-29
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

Existing molds cannot effectively cushion the impact force during the extrusion molding of the watch case, resulting in damage to the mold, reducing production efficiency and increasing costs.

Method used

A zirconia ceramic watch case molding and preparation mold is designed, using a buffer mechanism, including a buffer assembly and a limiting assembly, to relieve impact force through the extrusion of the spring and avoid mold damage.

Benefits of technology

It effectively alleviates the impact force during mold stamping, extends the service life of the mold, improves production efficiency and reduces costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a zirconia ceramic watch shell forming preparation mold, and relates to the technical field of molds. The device comprises a supporting frame, a buffering mechanism, a mold stripping mechanism and a cooling mechanism are arranged on the supporting frame, and the buffering mechanism comprises a buffering assembly and a limiting assembly; the buffering assembly comprises a base fixedly connected to the top face of the supporting frame, a plurality of first sealing sleeves are fixedly connected to the top face of the base, lower molds are fixedly connected to the outer walls of the first sealing sleeves, and connecting rods slidably penetrate through the first sealing sleeves. The bottom ends of the multiple connecting rods are fixedly connected with first pistons correspondingly, and the multiple first pistons are slidably connected with the inner walls of the multiple first sealing sleeves correspondingly. The buffering mechanism is arranged, so that the impact force generated during stamping of the die can be relieved, the problem that the die is damaged due to the fact that the impact force is too large is solved, and the service life of the die is prolonged.
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Description

Technical Field

[0001] The utility model belongs to the technical field of molds, in particular to a molding and preparation mold for a zirconium oxide ceramic watch shell. Background Art

[0002] In the past, watch cases were mainly made of metals, etc. However, with the development of technology and the improvement of people's requirements for product quality and appearance, ceramic materials have gradually become popular due to their unique properties. Zirconia ceramics have the advantages of high strength, high hardness, wear resistance, corrosion resistance, etc., and can adapt well to the various challenges of the watch use environment. The dry pressing technology itself has the advantages of relatively simple process, high production efficiency, and can better guarantee the dimensional accuracy and shape regularity of the products.

[0003] However, when extruding the inner cavity of the mold, most molds are unable to buffer the impact force generated during extrusion, resulting in excessive force during stamping, causing damage to the mold. This problem not only reduces the production efficiency of the product, but also increases production costs because damaged molds need to be replaced frequently. Utility Model Content

[0004] The purpose of the utility model is to provide a zirconia ceramic watch case forming and preparation mold, which is equipped with a buffer mechanism to alleviate the impact force during mold stamping, avoid the problem of mold damage caused by excessive impact force, increase the service life of the mold, and solve the problem that most molds cannot buffer the impact force generated during extrusion, thereby causing excessive force during stamping and causing mold damage.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a zirconia ceramic watch case forming and preparing mold, comprising a support frame, on which a buffer mechanism, a demoulding mechanism and a cooling mechanism are arranged, and the buffer mechanism comprises a buffer component and a limit component;

[0007] The buffer assembly includes a base fixedly connected to the top surface of the support frame, the top surface of the base is fixedly connected to a plurality of first sealing sleeves, the outer walls of the plurality of first sealing sleeves are fixedly connected to a lower mold, connecting rods are slidably penetrated through the plurality of first sealing sleeves, the bottom ends of the plurality of connecting rods are fixedly connected to a first piston, the plurality of first pistons are slidably connected to the inner walls of the plurality of first sealing sleeves respectively, the bottom surfaces of the plurality of first pistons are fixedly connected to a first spring, the bottom ends of the plurality of first springs are fixedly connected to the inner walls of the plurality of first sealing sleeves respectively, the top ends of the plurality of connecting rods are fixedly connected to a connecting plate, and the upper molds are slidably penetrated through the plurality of connecting plates.

[0008] Furthermore, the limiting assembly includes a plurality of slide grooves provided on the upper mold, and the connecting plate is slidably connected to the inner walls of the plurality of slide grooves.

[0009] Furthermore, the demolding mechanism includes a connecting component, a top mold component and a molding component, the connecting component includes a second sealing sleeve fixedly connected to the inner bottom wall of the base, the inner wall of the second sealing sleeve is slidably connected with a second piston, the second sealing sleeve and the plurality of first sealing sleeves are respectively connected with a first conduit, and the interiors of the plurality of first sealing sleeves, the second sealing sleeves and the plurality of first conduits are all filled with hydraulic oil.

[0010] Furthermore, the top mold assembly includes a push rod fixedly connected to the top surface of the second piston, the top end of the push rod slidably extends to the top surface of the second sealing sleeve, and the top end of the push rod is fixedly connected to a top plate.

[0011] Furthermore, the molding assembly includes a molding cavity opened inside the lower mold, the top plate is slidably connected to the inner wall of the molding cavity, and the upper mold is slidably connected to the inner wall of the molding cavity.

[0012] Furthermore, the cooling mechanism comprises a liquid storage tank fixedly connected to the top surface of the support frame, the inner wall of the liquid storage tank is fixedly connected to a liquid pump, and the output end of the liquid pump is fixedly connected to a second conduit.

[0013] Furthermore, a cooling cavity is opened inside the base, one end of the second conduit away from the liquid pump is fixedly extended into the cooling cavity, a third conduit is fixedly connected to the inner wall of the cooling cavity, and one end of the third conduit away from the cooling cavity is fixedly extended into the liquid storage tank.

[0014] The utility model has the following beneficial effects:

[0015] 1. By providing a buffer mechanism, the first sealing sleeve and the connecting rod cooperate with each other so that they can slide up and down in the first sealing sleeve. When the connecting plate is pressed downward, the connecting rod and the first piston can be driven to move downward synchronously. At this time, the first spring is squeezed, so that it can alleviate the impact force during mold stamping, avoid the problem of mold damage caused by excessive impact force, and improve the service life of the mold.

[0016] 2. By providing a demoulding mechanism, when the connecting plate moves upward, the hydraulic oil in the first sealing sleeve will be squeezed and transported to the second sealing sleeve through the conduit. At this time, the pressure under the second piston increases, and the extrusion drives the second piston to move upward, so that it can drive the ejector rod and the ejector plate to move upward synchronously, and eject the mold formed in the molding cavity, thereby greatly improving the molding efficiency.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the left-side cross-sectional structure of the utility model;

[0021] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0023] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure at point C in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Support frame; 2. Buffer mechanism; 3. Demolding mechanism; 4. Cooling mechanism; 21. Base; 22. First sealing sleeve; 23. Lower mold; 24. Connecting rod; 25. First piston; 26. First spring; 27. Connecting plate; 28. Upper mold; 29. ​​Slide; 31. Second sealing sleeve; 32. Second piston; 33. First conduit; 34. Hydraulic oil; 35. Push rod; 36. Push plate; 37. Molding cavity; 41. Liquid storage tank; 42. Liquid pump; 43. Second conduit; 44. Cooling cavity; 45. Third conduit. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5As shown, the utility model is a zirconia ceramic watch case forming and preparing mold, comprising a support frame 1, on which a buffer mechanism 2, a demoulding mechanism 3 and a cooling mechanism 4 are arranged, and the buffer mechanism 2 comprises a buffer component and a limit component;

[0028] The buffer assembly includes a base 21 fixedly connected to the top surface of the support frame 1, a plurality of first sealing sleeves 22 are fixedly connected to the top surface of the base 21, a plurality of lower molds 23 are fixedly connected to the outer walls of the plurality of first sealing sleeves 22, a plurality of connecting rods 24 are slidably penetrated through the plurality of first sealing sleeves 22, a plurality of first pistons 25 are fixedly connected to the bottom ends of the plurality of connecting rods 24, a plurality of first pistons 25 are respectively slidably connected to the inner walls of the plurality of first sealing sleeves 22, a plurality of first pistons 25 are fixedly connected to the bottom surfaces of the plurality of first springs 26, a plurality of first springs 26 are respectively fixedly connected to the inner walls of the plurality of first sealing sleeves 22, a plurality of connecting rods 24 are fixedly connected to the top ends thereof with connecting plates 27, a plurality of connecting plates 27 are slidably penetrated with upper molds 28, a limiting assembly includes a plurality of slide grooves 29 provided on the upper mold 28, the connecting plates 27 are slidably connected to the inner walls of the plurality of slide grooves 29, and by providing the buffer mechanism 2, the impact force during mold stamping can be alleviated, the problem of mold damage caused by excessive impact force can be avoided, and the service life of the mold can be improved.

[0029] The demoulding mechanism 3 includes a connecting component, a top mold component and a molding component. The connecting component includes a second sealing sleeve 31 fixedly connected to the inner bottom wall of the base 21, the inner wall of the second sealing sleeve 31 is slidably connected with a second piston 32, the second sealing sleeve 31 and the plurality of first sealing sleeves 22 are respectively connected with first conduits 33, the interiors of the plurality of first sealing sleeves 22, the second sealing sleeves 31 and the plurality of first conduits 33 are all filled with hydraulic oil 34, the top mold component includes a push rod 35 fixedly connected to the top surface of the second piston 32, the top end of the push rod 35 slides and extends to the top surface of the second sealing sleeve 31, the top end of the push rod 35 is fixedly connected with a top plate 36, the molding component includes a molding cavity 37 opened in the lower mold 23, the top plate 36 is slidably connected to the inner wall of the molding cavity 37, the upper mold 28 is slidably connected to the inner wall of the molding cavity 37, and the demoulding mechanism 3 is provided. The device can push the extruded zirconia ceramic block when the upper mold 28 moves upward, thereby greatly improving the molding efficiency.

[0030] The cooling mechanism 4 includes a liquid storage tank 41 fixedly connected to the top surface of the support frame 1, the inner wall of the liquid storage tank 41 is fixedly connected to a liquid pump 42, the output end of the liquid pump 42 is fixedly connected to a second conduit 43, a cooling cavity 44 is opened inside the base 21, one end of the second conduit 43 away from the liquid pump 42 is fixedly extended to the inside of the cooling cavity 44, the inner wall of the cooling cavity 44 is fixedly connected to a third conduit 45, one end of the third conduit 45 away from the cooling cavity 44 is fixedly extended to the inside of the liquid storage tank 41. By providing the cooling mechanism 4, when the zirconia ceramic material is quickly extruded and formed, the mold can be quickly cooled to avoid damage to the mold caused by excessive temperature.

[0031] A specific application of this embodiment is: by providing a buffer mechanism 2, the first sealing sleeve 22 and the connecting rod 24 cooperate with each other, so that they can slide up and down in the first sealing sleeve 22, and when the connecting plate 27 is pressed downward, the connecting rod 24 and the first piston 25 can be driven to move downward synchronously, at this time, the first spring 26 is squeezed, so that it can relieve the impact force during mold stamping, avoid the problem of mold damage caused by excessive impact force, and improve the service life of the mold, and the slide groove 29 and the connecting plate 27 cooperate with each other, so that the upper mold 28 can only move up and down within a certain range, and an external electric cylinder can be connected to the top surface of the upper mold 28, so that when it drives the upper mold 28 to move downward for die pressing, it can drive the connecting plate 27 to move downward, and when the external electric cylinder drives the upper mold 28 to move upward, after moving to a certain distance, the bottom surface of the connecting plate 27 contacts the inner bottom wall of the slide groove 29, thereby driving the connecting plate 27 to move upward, which is convenient for demolding;

[0032] By providing the ejection mechanism 3, when the connecting plate 27 moves upward, the hydraulic oil in the first sealing sleeve 22 is squeezed, so that the hydraulic oil is transported to the second sealing sleeve 31 through the first conduit 33. At this time, the pressure below the second piston 32 increases, and the second piston 32 is driven upward by the extrusion, so that the ejector rod 35 and the ejector plate 36 can be driven to move upward synchronously, and the mold formed in the molding cavity 37 is ejected from the ejector. When the upper mold 28 moves downward, the bottom surface of the ejector plate 36 is in close contact with the inner bottom wall of the molding cavity 37, so that the upper mold 28 and the ejector plate 36 can extrude and mold the zirconia ceramic material in the molding cavity 37. When the upper mold 28 moves upward, the device can eject the extruded zirconia ceramic block, which greatly improves the molding efficiency.

[0033] By providing a cooling mechanism 4, the liquid storage tank 41 is filled with coolant, and the liquid pump 42 can lead the coolant in the liquid storage tank 41 to the cooling chamber 44 through the second conduit 43, and the coolant is returned to the liquid storage tank 41 through the third conduit 45 to form a cooling cycle. When the zirconia ceramic material is quickly extruded and formed, the mold can be quickly cooled to avoid damage to the mold caused by excessive temperature.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A zirconia ceramic watch case forming and preparation mold, comprising a support frame (1), characterized in that: The support frame (1) is provided with a buffer mechanism (2), a demoulding mechanism (3) and a cooling mechanism (4), and the buffer mechanism (2) comprises a buffer component and a limit component; The buffer assembly comprises a base (21) fixedly connected to the top surface of the support frame (1); a plurality of first sealing sleeves (22) are fixedly connected to the top surface of the base (21); a lower mold (23) is fixedly connected to the outer walls of the plurality of first sealing sleeves (22); a connecting rod (24) is slidably penetrated through the plurality of first sealing sleeves (22); a first piston (25) is fixedly connected to the bottom ends of the plurality of connecting rods (24); the plurality of first pistons (25) are slidably connected to the inner walls of the plurality of first sealing sleeves (22); a first spring (26) is fixedly connected to the bottom surfaces of the plurality of first pistons (25); the bottom ends of the plurality of first springs (26) are fixedly connected to the inner walls of the plurality of first sealing sleeves (22); a connecting plate (27) is fixedly connected to the top ends of the plurality of connecting rods (24); an upper mold (28) is slidably penetrated through the plurality of connecting plates (27).

2. A zirconia ceramic watch case forming and preparing mold according to claim 1, characterized in that: The limiting assembly comprises a plurality of slide grooves (29) formed on the upper mold (28), and the connecting plate (27) is slidably connected to the inner walls of the plurality of slide grooves (29).

3. A zirconia ceramic watch case forming and preparing mold according to claim 2, characterized in that: The demoulding mechanism (3) comprises a connecting component, a top mold component and a molding component. The connecting component comprises a second sealing sleeve (31) fixedly connected to the inner bottom wall of the base (21). The inner wall of the second sealing sleeve (31) is slidably connected to a second piston (32). The second sealing sleeve (31) and the plurality of first sealing sleeves (22) are respectively connected to each other with a plurality of first conduits (33). The interiors of the plurality of first sealing sleeves (22), the second sealing sleeves (31) and the plurality of first conduits (33) are all filled with hydraulic oil (34).

4. A zirconia ceramic watch case forming and preparing mold according to claim 3, characterized in that: The top mold assembly comprises a push rod (35) fixedly connected to the top surface of the second piston (32), the top end of the push rod (35) slidably extends to the top surface of the second sealing sleeve (31), and the top end of the push rod (35) is fixedly connected to a top plate (36).

5. A zirconia ceramic watch case forming and preparing mold according to claim 4, characterized in that: The molding assembly comprises a molding cavity (37) opened inside the lower mold (23), the top plate (36) is slidably connected to the inner wall of the molding cavity (37), and the upper mold (28) is slidably connected to the inner wall of the molding cavity (37).

6. A zirconia ceramic watch case forming and preparing mold according to claim 5, characterized in that: The cooling mechanism (4) comprises a liquid storage tank (41) fixedly connected to the top surface of the support frame (1), the inner wall of the liquid storage tank (41) is fixedly connected to a liquid pump (42), and the output end of the liquid pump (42) is fixedly connected to a second conduit (43).

7. A zirconia ceramic watch case forming and preparing mold according to claim 6, characterized in that: A cooling cavity (44) is provided inside the base (21); one end of the second conduit (43) away from the liquid pump (42) is fixedly extended to the inside of the cooling cavity (44); a third conduit (45) is fixedly connected to the inner wall of the cooling cavity (44); and one end of the third conduit (45) away from the cooling cavity (44) is fixedly extended to the inside of the liquid storage tank (41).