Glass mold movable part device with self-lubricating function

The self-lubricating mechanism automatically provides lubricating oil, which solves the problem of friction and wear between the glass mold ejector pin and the lower mold, extending the service life and improving the performance.

CN224030878UActive Publication Date: 2026-03-24CHANGSHU LAIGE MOLD TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

When demolding a glass mold, the ejector pin is prone to friction with the lower mold, leading to wear and reducing its service life.

Method used

A self-lubricating glass mold moving part device was designed, including an ejection mechanism and a self-lubricating mechanism. The upper mold is driven to move upward by a hydraulic cylinder, which in turn moves the ejector rod upward and squeezes the ladder platform. The lubricating oil is automatically squeezed into the oil-absorbing cotton sleeve by a return spring and a one-way valve, thus realizing the self-lubrication of the ejector rod.

Benefits of technology

To avoid friction and wear between the ejector pin and the lower mold, extend service life, reduce the frequency of manual lubrication, and improve performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of glass molds, and particularly relates to a glass mold movable part device with a self-lubricating function, which comprises a base and a glass lower mold fixedly connected to the top of the base, a portal frame is fixedly connected to the top of the base, and a glass upper mold is arranged in the portal frame. A hydraulic cylinder is fixedly connected to the top of the portal frame, an output shaft of the hydraulic cylinder is fixedly connected to the top of the upper glass mold, and a mounting cavity is formed in the base. The self-lubricating mechanism is reasonable in structural design, lubricating oil can be squeezed into the oil absorption cotton sleeve through the self-lubricating mechanism when the ejector rod moves upwards to eject a formed glass piece during demolding, the ejector rod can be lubricated through the lubricating oil in the oil absorption cotton sleeve, certain abrasion caused by mutual friction of the ejector rod, the base and the glass lower mold is avoided, and the service life of the glass lower mold is prolonged. Regular lubrication by personnel is not needed, the use effect is improved, and the service life of the ejector rod and the glass lower mold is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to glass mould technical field especially relates to a glass mould movable component device with self -lubricating function. BACKGROUND

[0002] Glass mould is a kind of tool for making glass product, and its quality and material selection directly affect the forming effect and quality of glass product. Glass mould is usually composed of multiple parts, including upper mould, lower mould, positioning ring and external mould cover, etc., the side wall of positioning ring is provided with multiple through holes to play a key role in the forming process.

[0003] However, the glass mould in the related art is prone to friction with the lower mould and the base when the ejector rod moves, and it is inconvenient to self-lubricate the ejector rod, which may cause wear between the ejector rod and the lower mould and reduce the service life. Therefore, the glass mould movable component device with self-lubricating function is proposed to solve the above problems. SUMMARY

[0004] The utility model discloses a glass mould movable component device with self-lubricating function to solve the above-mentioned shortcomings.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A glass mould movable component device with self-lubricating function, comprising a base and a glass lower mould fixedly connected to the top of the base, a gantry fixedly connected to the top of the base, a glass upper mould arranged in the gantry, a hydraulic cylinder fixedly connected to the top of the gantry, an output shaft of the hydraulic cylinder fixedly connected to the top of the glass upper mould, an installation cavity formed in the base, a ejection mechanism arranged between the installation cavity and the glass lower mould, and a self-lubricating mechanism arranged between the base, the installation cavity and the glass lower mould.

[0007] As a preferred embodiment of the utility model, two guide rods are slidingly arranged at the top of the gantry and are fixedly connected to the top of the glass upper mould.

[0008] As a preferred embodiment of the utility model, the ejection mechanism comprises a driving motor fixedly connected to the bottom of the base and a lifting lead screw rotatably connected to the inner walls of the installation cavity, an output shaft of the driving motor is fixedly connected to the bottom end of the lifting lead screw, a lifting plate is threadedly sleeved on the outer side of the lifting lead screw, and two ejector rods are fixedly connected to the top of the lifting plate.

[0009] As a preferred embodiment of the utility model, two high-temperature-resistant rubber rings are fixedly connected to the inner walls of the bottom of the glass lower mould, and the two ejector rods are slidingly and sealingly sleeved in the corresponding high-temperature-resistant rubber rings.

[0010] As the utility model preferred, two limit rods are fixedly connected on the upper and lower inner walls of the installation cavity.

[0011] As the utility model preferred, the self-lubricating mechanism comprises a ladder stand fixedly sleeved on the outer side of the ejector rod, a reset spring fixedly connected on the inner wall of one side of the installation cavity, an extrusion cavity opened in the base, two oil absorbing cotton sleeves fixedly connected on the bottom of the lower glass mold, and two lubricating oil barrels fixedly connected on the top of the base, the inclined surface of the ladder stand movably abuts against a trapezoidal plate, one end of the trapezoidal plate is fixedly connected with the reset spring, one side of the trapezoidal plate is fixedly connected with a piston rod, one end of the piston rod is fixedly connected with a piston, the piston is slidably and sealingly sleeved in the extrusion cavity, the top inner wall of the extrusion cavity is fixedly and communicatively connected with an oil outlet pipe, one end of the oil outlet pipe is in communication with the corresponding oil absorbing cotton sleeve, and the side inner wall of the extrusion cavity is fixedly and communicatively connected with an oil supply pipe between the lubricating oil barrel.

[0012] As the utility model preferred, a one-way valve one is arranged on the oil supply pipe, and a one-way valve two is arranged on the oil outlet pipe.

[0013] As the utility model preferred, the two reset springs are respectively sleeved on the outer sides of the corresponding piston rods, and the two trapezoidal plates are slidably connected on the top inner wall of the installation cavity.

[0014] In the utility model, the glass upper mold is driven to move downward by the hydraulic cylinder and is attached to the glass lower mold, and then the glass part can be extruded and formed, when demolding is needed after forming, the hydraulic cylinder is started in reverse, the glass upper mold is driven to move upward and reset, then the driving motor is started, the driving motor drives the rotation of the lifting lead screw, the lifting lead screw drives the upward movement of the lifting plate and the two ejector rods, the glass part after forming can be ejected, when the ejector rod moves upward and slides, the ejector rod drives the upward movement of the ladder stand, the ladder stand can extrude the trapezoidal plate outward and make the reset spring be compressed, the trapezoidal plate drives the outward movement of the piston rod and the piston, the lubricating oil in the extrusion cavity is automatically extruded into the oil outlet pipe through the flow guide of the one-way valve one and the one-way valve two, and finally is extruded into the oil absorbing cotton sleeve, the lubricating oil in the oil absorbing cotton sleeve can lubricate the ejector rod, and avoid the abrasion of the ejector rod, the base and the glass lower mold due to mutual friction;

[0015] In the utility model, after ejection, the driving motor is started in reverse, the two ejector rods and the ladder stand are moved downward and reset, the ladder stand does not extrude the trapezoidal plate at this time, the piston moves inward under the elastic force of the reset spring, and the lubricating oil in the lubricating oil barrel is automatically pumped into the extrusion cavity, so as to be used for self-lubrication of the ejector rod next time;

[0016] The utility model discloses a reasonable structure design, when demoulding, when the top rod is moved and the glass piece of forming is pushed out, through self -lubricating mechanism, can extrude the lubricating oil to the oil absorbing cotton cover, through the lubricating oil in the oil absorbing cotton cover, can lubricate the top rod, avoid the top rod, base and glass lower mould and take place certain abrasion because of mutual friction, need not personnel regular lubrication, improve the effect of using, guarantee the service life of top rod and glass lower mould. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a structure schematic diagram of glass mould movable component device with self -lubricating function is provided.

[0018] Figure 2 The utility model discloses a structure schematic diagram of glass mould movable component device with self -lubricating function is provided.

[0019] Figure 3 The utility model discloses a structure schematic diagram of glass mould movable component device with self -lubricating function is provided.

[0020] Figure 4 The utility model discloses a structure schematic diagram of glass mould movable component device with self -lubricating function is provided. Figure 1 The utility model discloses a structure schematic diagram of glass mould movable component device with self -lubricating function is provided.

[0021] In the drawing: 1, base; 2, portal frame; 3, hydraulic cylinder; 4, guide rod; 5, glass upper mould; 6, glass lower mould; 7, self -lubricating mechanism; 8, ejection mechanism; 9, installation cavity; 701, lubricating oil barrel; 702, one -way valve one; 703, oil supply pipe; 704, oil outlet pipe; 705, one -way valve two; 706, extrusion cavity; 707, piston; 708, reset spring; 709, trapezoidal plate; 710, ladder; 711, piston rod; 712, oil absorbing cotton cover; 81, lifting plate; 82, drive motor; 83, lifting screw; 84, limit rod; 85, top rod; 86, high temperature resistant rubber ring. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model.

[0023] Reference Figures 1-4The utility model relates to a glass mould movable part device with self -lubricating function, including base 1 and fixedly connected glass lower die 6 in the top of base 1, the top of base 1 is fixedly connected with gantry 2, and the gantry 2 is provided with glass upper die 5, the top of gantry 2 is fixedly connected with hydraulic cylinder 3, and the output shaft of hydraulic cylinder 3 is fixedly connected in the top of glass upper die 5, and the installation cavity 9 is seted up in base 1, and the ejection mechanism 8 is seted up between installation cavity 9 and glass lower die 6, and the self -lubricating mechanism 7 is seted up between base 1, installation cavity 9 and glass lower die 6.

[0024] Further, the top of gantry 2 is slidably provided with two guide rods 4, both of which are fixedly connected to the top of glass upper die 5, facilitating the guidance of glass upper die 5 and making its lifting more stable.

[0025] Further, as shown in Figure 2 and Figure 3 , the ejection mechanism 8 includes a drive motor 82 fixedly connected to the bottom of the base 1 and a lifting screw 83 rotatably connected to the upper and lower inner walls of the installation cavity 9, the output shaft of the drive motor 82 is fixedly connected to the bottom end of the lifting screw 83, the outside of the lifting screw 83 is threadedly sleeved with a lifting plate 81, and the top of the lifting plate 81 is fixedly connected with two jacks 85.

[0026] With the above scheme: when demolding is needed after forming, the hydraulic cylinder 3 is started in reverse, the hydraulic cylinder 3 drives the glass upper die 5 to move upward and reset, then the drive motor 82 is started, the drive motor 82 drives the lifting screw 83 to rotate, the lifting screw 83 drives the lifting plate 81 and the two jacks 85 to move upward, and the formed glass part can be ejected.

[0027] Further, the bottom inner wall of the glass lower die 6 is fixedly connected with two high-temperature-resistant rubber rings 86, and the two jacks 85 are respectively slidably and sealingly sleeved in the corresponding high-temperature-resistant rubber rings 86, which has the effect of sealing and preventing the hot molten glass from entering the gap between the jacks 85 and the glass lower die 6 to affect the quality of glass forming.

[0028] Further, the upper and lower inner walls of the installation cavity 9 are fixedly connected with two limiting rods 84, and the lifting plate 81 is slidably sleeved on the outside of the two limiting rods 84, which is beneficial to guiding and limiting the lifting plate 81 so that it does not rotate with the lifting screw 83.

[0029] Further, as shown in Figures 1-4As shown, the self-lubricating mechanism 7 comprises a ladder 710 fixedly sleeved outside the ejector rod 85, a return spring 708 fixedly connected to the inner wall of one side of the mounting cavity 9, an extrusion cavity 706 opened in the base 1, two oil absorbing cotton sleeves 712 fixedly connected to the bottom of the glass lower mold 6, and two lubricating oil barrels 701 fixedly connected to the top of the base 1. The inclined surface of the ladder 710 movably abuts against a trapezoidal plate 709, the trapezoidal plate 709 is fixedly connected to one end of the return spring 708, one side of the trapezoidal plate 709 is fixedly connected with a piston rod 711, one end of the piston rod 711 is fixedly connected with a piston 707, the piston 707 is slidingly and sealingly sleeved in the extrusion cavity 706, the top inner wall of the extrusion cavity 706 is fixedly connected with an oil outlet pipe 704, one end of the oil outlet pipe 704 is in communication with the corresponding oil absorbing cotton sleeve 712, the side inner wall of the extrusion cavity 706 and the lubricating oil barrel 701 are fixedly connected with an oil supply pipe 703, the oil supply pipe 703 is provided with a one-way valve one 702, and the oil outlet pipe 704 is provided with a one-way valve two 705.

[0030] By adopting the above scheme, when the ejector rod 85 moves upward, the ejector rod 85 drives the upward movement of the ladder 710, the ladder 710 can extrude the trapezoidal plate 709 outward and compress the return spring 708, the trapezoidal plate 709 drives the outward movement of the piston rod 711 and the piston 707, and the lubricating oil in the extrusion cavity 706 is automatically extruded into the oil outlet pipe 704 through the flow guide of the one-way valve one 702 and the one-way valve two 705, and finally into the oil absorbing cotton sleeve 712. Through the lubricating oil in the oil absorbing cotton sleeve 712, the ejector rod 85 can be lubricated, and the wear of the ejector rod 85, the base 1 and the glass lower mold 6 due to mutual friction can be avoided. After ejection, the driving motor 82 is started in reverse to make the two ejector rods 85 and the ladder 710 move downward to reset. At this time, the ladder 710 does not extrude the trapezoidal plate 709, and under the elastic force of the return spring 708, the piston 707 moves inward and automatically pumps the lubricating oil in the lubricating oil barrel 701 into the extrusion cavity 706 for the next self-lubrication of the ejector rod 85.

[0031] Further, the two return springs 708 are respectively sleeved outside the corresponding piston rods 711, and the two trapezoidal plates 709 are slidingly connected to the top inner wall of the mounting cavity 9, which facilitates the guidance of the return spring 708 and the trapezoidal plate 709 and makes them more stable and smooth.

[0032] In use, the lower movement of the glass upper die 5 and the glass lower die 6 are driven by the hydraulic cylinder 3, thereby the glass part can be extrusion formed, when demolding is needed after forming, the hydraulic cylinder 3 is started reversely, the hydraulic cylinder 3 drives the upper movement reset of the glass upper die 5, then the driving motor 82 is started, the driving motor 82 drives the rotation of the lifting screw 83, the lifting screw 83 drives the upper movement of the lifting plate 81 and the two ejector rods 85, the formed glass part can be ejected, when the two ejector rods 85 move upwards and slide, the ejector rods 85 drive the upper movement of the ladder 710, the ladder 710 can extrude the trapezoidal plate 709 and make the reset spring 708 be compressed, the trapezoidal plate 709 drives the outward movement of the piston rod 711 and the piston 707, the lubricating oil in the extrusion cavity 706 can be automatically extruded into the oil outlet pipe 704 through the flow guide of the one-way valve one 702 and the one-way valve two 705, finally, the lubricating oil is extruded into the oil absorbing cotton sleeve 712, the ejector rods 85 can be lubricated through the lubricating oil in the oil absorbing cotton sleeve 712, the abrasion of the ejector rods 85, the base 1 and the glass lower die 6 due to mutual friction is avoided, after ejection, the driving motor 82 is started reversely, the two ejector rods 85 and the ladder 710 are reset downwards, at this time, the ladder 710 does not extrude the trapezoidal plate 709, at this time, under the elastic force of the reset spring 708, the piston 707 moves inwards and automatically draws the lubricating oil in the lubricating oil barrel 701 into the extrusion cavity 706, so that the lubrication of the ejector rods 85 is used next time.

Claims

1. A glass mold movable member device having a self-lubricating function, characterized by comprising: a glass mold movable member; a lubricating member provided on the glass mold movable member; and a lubricating material provided on the lubricating member. The bottom (1) is provided with a glass lower die (6) fixedly connected to the top of the bottom (1), a gantry (2) is fixedly connected to the top of the bottom (1), a glass upper die (5) is arranged in the gantry (2), a hydraulic cylinder (3) is fixedly connected to the top of the gantry (2), the output shaft of the hydraulic cylinder (3) is fixedly connected to the top of the glass upper die (5), an installation cavity (9) is formed in the bottom (1), an ejection mechanism (8) is arranged between the installation cavity (9) and the glass lower die (6), and a self-lubricating mechanism (7) is arranged between the bottom (1), the installation cavity (9) and the glass lower die (6). The ejection mechanism (8) comprises a driving motor (82) fixedly connected to the bottom of the bottom (1) and a lifting lead screw (83) rotatably connected to the upper and lower inner walls of the installation cavity (9), the output shaft of the driving motor (82) is fixedly connected to the bottom end of the lifting lead screw (83), the outer side of the lifting lead screw (83) is threadedly sleeved with a lifting plate (81), and the top of the lifting plate (81) is fixedly connected with two ejector rods (85). The self-lubricating mechanism (7) comprises a ladder (710) fixedly sleeved outside the ejector rod (85), a reset spring (708) fixedly connected to the inner wall of one side of the installation cavity (9), an extrusion cavity (706) formed in the bottom (1), two oil absorbing cotton sleeves (712) fixedly connected to the bottom of the glass lower die (6), and two lubricating oil barrels (701) fixedly connected to the top of the bottom (1), the inclined surface of the ladder (710) movably abuts against a trapezoidal plate (709), one end of the trapezoidal plate (709) is fixedly connected to the reset spring (708), one side of the trapezoidal plate (709) is fixedly connected with a piston rod (711), one end of the piston rod (711) is fixedly connected with a piston (707), the piston (707) is slidably and sealingly sleeved in the extrusion cavity (706), the top inner wall of the extrusion cavity (706) is fixedly and communicatively provided with an oil outlet pipe (704), one end of the oil outlet pipe (704) is in communication with the corresponding oil absorbing cotton sleeve (712), and the side inner wall of the extrusion cavity (706) is fixedly and communicatively provided with an oil supply pipe (703) between the lubricating oil barrel (701).

2. The movable part device of a glass mold with self-lubricating function according to claim 1, characterized in that, The top of the gantry (2) is slidably provided with two guide rods (4), and the two guide rods (4) are fixedly connected to the top of the glass upper die (5).

3. The device for movable parts of glass mold with self-lubricating function according to claim 1, characterized in that, The bottom inner wall of the glass lower die (6) is fixedly connected with two high-temperature-resistant rubber rings (86), and the two ejector rods (85) are slidably and sealingly sleeved in the corresponding high-temperature-resistant rubber rings (86).

4. The device for movable parts of glass mold with self-lubricating function according to claim 1, characterized in that, The upper and lower inner walls of the installation cavity (9) are fixedly connected with two limiting rods (84), and the lifting plate (81) is slidably sleeved outside the two limiting rods (84).

5. The device for movable parts of glass mold with self-lubricating function according to claim 1, characterized in that, The oil supply pipe (703) is provided with a one-way valve (702), and the oil outlet pipe (704) is provided with a one-way valve (705).

6. The movable part device of glass mold with self-lubricating function according to claim 1, wherein, The two reset springs (708) are respectively sleeved outside the corresponding piston rods (711), and the two trapezoidal plates (709) are slidably connected to the top inner wall of the installation cavity (9).