Golf ball injection mold facilitating product demolding

Abstract

The utility model relates to the technical field of golf ball production, in particular to a golf ball injection mold convenient for product demolding, which comprises a first mold base, a second mold base, a first mold core and a second mold core, the first mold base and the second mold base are closed, and the first mold core and the second mold core are connected to form a cavity; the first mold core and the second mold core are each provided with an exhaust channel, an exhaust part used for supporting a golf ball core and discharging pressure in a cavity is arranged in each exhaust channel, the exhaust parts are in sliding sealing connection with the exhaust channels, and each exhaust part comprises a sealing part, an exhaust part and a handle part which are sequentially arranged; restorators used for resetting the exhaust part are arranged between the exhaust part and the first die holder and between the exhaust part and the second die holder. According to the golf ball demolding device, the exhaust part is reset and the golf ball is ejected through the reset device, so that the golf ball is separated from the first mold core and the second mold core respectively, the golf ball demolding operation is efficiently completed, the working intensity of operators is reduced, and the production efficiency of the golf ball is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of golf ball production, in particular to a golf ball injection mold which is convenient for product demoulding. Background Art

[0002] Golf is an elegant and challenging outdoor sport that requires participants to use different types of clubs to hit golf balls into a series of carefully designed holes on a large lawn or golf course.

[0003] Generally, golf balls used in competitions mainly include a core and a shell. In order to improve production efficiency, molds are often used in golf ball production. However, existing golf ball injection molds are not conducive to demolding golf balls, and manual assistance is required to separate the golf balls from the molds, such as manually holding a negative pressure straw to suck the golf balls out of the molds, which increases the workload of operators and affects the production efficiency of golf balls. Therefore, it is necessary to improve them. Utility Model Content

[0004] The utility model aims to provide a golf ball injection mold which is convenient for demoulding the product in view of the shortcomings of the prior art. The exhaust member is reset and the golf ball is ejected by a resetter, so that the golf ball is separated from the first mold core and the second mold core respectively, and the demoulding operation of the golf ball is completed efficiently, the working intensity of the operating workers is reduced, and the production efficiency of the golf ball is improved.

[0005] To achieve the above-mentioned purpose, the utility model provides a golf ball injection mold for facilitating demoulding of products, comprising a first mold base, a second mold base, a first mold core and a second mold core, wherein the first mold base and the second mold base are arranged opposite to each other, the first mold core is fixed to the first mold base, the second mold core is fixed to the second mold base, the first mold base and the second mold base are molded together, and the first mold core is connected to the second mold core to form a mold cavity;

[0006] The first mold core and the second mold core are both provided with an exhaust channel, and an exhaust member for supporting the golf ball core and discharging the internal pressure of the cavity is provided in the exhaust channel, and the exhaust member is slidably and sealingly connected with the exhaust channel, and the exhaust member includes a sealing portion, an exhaust portion and a handle portion which are arranged in sequence;

[0007] A resetter for resetting the exhaust member is arranged between the exhaust member and the first mold base and the second mold base.

[0008] Preferably, the first mold base and the second mold base are both provided with a core fixing plate and a core limiting plate.

[0009] The core fixing plate is provided with a core fixing cavity for connecting with the first mold core or the second mold core, and the core limiting plate is provided with a limiting groove for limiting the first mold core or the second mold core;

[0010] The first mold core and the second mold core are both provided with a limiting portion, the first mold core or the second mold core is sleeved in the core fixing cavity, and the limiting portion is clamped in the limiting groove.

[0011] Preferably, an insert is provided in the exhaust passage, and the insert is slidably and sealingly connected to the exhaust portion of the exhaust component.

[0012] Preferably, the surface of the exhaust component is plated with a wear-resistant layer, and the surface of the exhaust portion is provided with an exhaust groove.

[0013] Preferably, the exhaust groove comprises an air collecting end and an exhaust end, the air collecting end is arranged at the connection between the sealing part and the exhaust part, and the exhaust end extends toward the handle part.

[0014] Preferably, the exhaust member comprises a first exhaust member and a second exhaust member, and the exhaust end of the first exhaust member is a spiral groove;

[0015] The exhaust end of the second exhaust member includes a first exhaust section and a second exhaust section, the first exhaust section is a straight groove, and the second exhaust section is an annular groove.

[0016] Preferably, a material guiding channel communicating with the cavity is provided at the connection between the first mold core and the second mold core, and a material injection channel is provided at the first mold base, and the material guiding channel is communicated with the material injection channel.

[0017] Preferably, the material guide channel includes a first material guide groove arranged circumferentially along the connection between the first mold core and the second mold core and a second material guide groove extending from the first material guide groove to the inside of the cavity, and a buffer cavity is arranged between the second material guide groove and the first material guide groove.

[0018] Preferably, the injection channel comprises a main material trough and a branch material trough which are connected to each other, the main material trough is connected to an external injection device, and the branch material trough is connected to the first material guide trough.

[0019] Preferably, the branch material trough includes a first material trough, a second material trough and a third material trough which are connected to each other, the third material trough is arranged along the outer periphery of the first material guide trough, a connecting groove is arranged between the third material trough and the first material guide trough, and the connecting groove is staggered with the buffer cavity.

[0020] The beneficial effects of the utility model are as follows: the utility model resets the exhaust member and ejects the golf ball through the resetter, so that the golf ball is separated from the first mold core and the second mold core respectively, and the demolding operation of the golf ball is completed efficiently, the working intensity of the operating workers is reduced, and the production efficiency of the golf ball is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the explosion structure of the utility model.

[0022] Figure 2 It is a schematic structural diagram of the first mold core and the second mold core of the utility model.

[0023] Figure 3 It is a structural schematic diagram of the first exhaust component of the utility model.

[0024] Figure 4 This is a schematic diagram of the structure of the second exhaust component of the utility model.

[0025] Figure 5 It is a structural schematic diagram of the injection channel of the utility model.

[0026] Reference numerals include:

[0027] 1. The first die base;

[0028] 2. Second die base; 21. Core fixing plate; 211. Core fixing cavity; 22. Core limiting plate; 221. Limiting groove; 23. Fixed plate; 24. Fixed platform; 25. Fixed groove;

[0029] 3. The first mold core;

[0030] 4. second mold core; 41. limiting part;

[0031] 5. Exhaust channel; 51. Insert;

[0032] 6. Exhaust member; 601. First exhaust member; 602. Second exhaust member; 61. Sealing portion; 62. Exhaust portion; 621. Exhaust groove; 6211. Gas collecting end; 6212. Exhaust end; 6213. First exhaust section; 6214. Second exhaust section; 63. Handle;

[0033] 7. Resetter;

[0034] 8. material guide channel; 81. first material guide trough; 82. second material guide trough; 83. buffer chamber;

[0035] 9. injection channel; 91. main material trough; 92. branch material trough; 921. first material trough; 922. second material trough; 923. third material trough; 924. connecting trough. DETAILED DESCRIPTION

[0036] The utility model is described in detail below with reference to the accompanying drawings.

[0037] refer to Figures 1 to 5 As shown, a golf ball injection mold for easy demoulding of the product of the utility model comprises a first mold base 1, a second mold base 2, a first mold core 3 and a second mold core 4.

[0038] The first mold base 1 and the second mold base 2 are arranged opposite to each other, the first mold core 3 is fixed to the first mold base 1, the second mold core 4 is fixed to the second mold base 2, the first mold base 1 and the second mold base 2 are molded together, and the first mold core 3 is connected with the second mold core 4 to form a cavity.

[0039] The first mold core 3 and the second mold core 4 are both provided with a plurality of exhaust channels 5, each exhaust channel 5 is provided with an exhaust member 6 for supporting the golf ball core and discharging the internal pressure of the cavity, and the exhaust member 6 is slidably and sealingly connected with the exhaust channel 5. Specifically, the friction gap between the exhaust member 6 and the inner wall of the exhaust channel 5 is ≤0.01 mm.

[0040] The exhaust member 6 includes a sealing portion 61 , an exhaust portion 62 and a handle portion 63 which are arranged in sequence.

[0041] A resetter 7 for resetting the exhaust member 6 is provided between the exhaust member 6 and the first mold base 1 as well as the second mold base 2. After the golf ball is formed, the first mold core 3 and the second mold core 4 are opened, and the exhaust member 6 is reset and the golf ball is ejected by the resetter 7, so that the golf ball is separated from the first mold core 3 and the second mold core 4 respectively, and the demolding operation of the golf ball is completed efficiently, the working intensity of the operators is reduced, and the production efficiency of the golf ball is improved.

[0042] The resetter 7 is one of a reset spring and a hydraulic or pneumatic cylinder. The reset spring resets the exhaust member 6, making the structure of the resetter 7 simple and the cost low. In this embodiment, the resetter 7 is taken as a reset spring.

[0043] By applying force through a hydraulic or pneumatic cylinder to reset the exhaust member 6, the resetter 7 provides greater controllability and accuracy, making the exhaust member 6 more accurately controlled.

[0044] When in use, the exhaust member 6 is respectively inserted into the first mold core 3 and the second mold core 4, the sealing portion 61 is exposed in the mold cavity, and the handle portion 63 is slidingly and sealingly connected to the exhaust channel 5; the core of the golf ball is placed on the end of the sealing portion 61, and the end of the sealing portion 61 supports the core, so that the core is suspended in the mold cavity, which is convenient for injecting material into the periphery of the core.

[0045] The first mold base 1 and the second mold base 2 are close to each other, so that the first mold core 3 and the second mold core 4 are molded together, and the external injection equipment injects the material into the cavity. As the material is injected, the pressure in the cavity also rises, and the exhaust member 6 is pushed to move to the outside of the cavity. During the process of the exhaust member 6 being pushed, the handle 63 is separated from the exhaust channel 5, and the exhaust channel 5 is connected to the outside of the cavity through the exhaust portion 62. The compressed gas in the cavity is discharged through the exhaust portion 62. When the exhaust member 6 is pushed to collide with the first mold base 1 or the second mold base 2 respectively, the sealing portion 61 is sealed and connected to the exhaust channel 5, so that the inside of the cavity is sealed and a certain pressure is maintained, which is convenient for the molding of the golf ball.

[0046] After the golf ball is formed, the first mold base 1 and the second mold base 2 move away from each other, the first mold core 3 and the second mold core 4 are opened, the resetter 7 resets the exhaust member 6, the sealing portion 61 is exposed in the mold cavity and ejects the golf ball, so that the golf ball is separated from the first mold core 3 and the second mold core 4 respectively.

[0047] refer to Figure 1 As shown, the first mold base 1 and the second mold base 2 of this embodiment are both provided with a core fixing plate 21 and a core limiting plate 22, the core fixing plate 21 is provided with a core fixing cavity 211 for connecting with the first mold core 3 or the second mold core 4, and the core limiting plate 22 is provided with a limiting groove 221 for limiting the first mold core 3 or the second mold core 4;

[0048] The first mold core 3 and the second mold core 4 are both provided with a limiting portion 41. The first mold core 3 or the second mold core 4 is sleeved in the core fixing cavity 211, and the limiting portion 41 is clamped in the limiting groove 221, so that the first mold core 3 is fixed to the first mold base 1 through the core fixing cavity 211, the limiting groove 221 and the limiting portion 41, and the second mold core 4 is fixed to the second mold base 2 through the core fixing cavity 211, the limiting groove 221 and the limiting portion 41.

[0049] refer to Figure 2 As shown, an insert 51 is provided in the exhaust passage 5 of this embodiment, and the insert 51 is slidably and sealedly connected with the exhaust portion 62 of the exhaust member 6, so as to reduce the wear of the slidably and sealed connection between the exhaust member 6 and the exhaust passage 5.

[0050] Specifically, the insert 51 is made of tungsten steel, which makes the insert 51 have a longer service life.

[0051] The exhaust member 6 of this embodiment is plated with a wear-resistant layer on its surface, which prolongs the service life of the exhaust member 6. Specifically, the wear-resistant layer is a titanium alloy wear-resistant layer, which avoids the problem of the exhaust member 6 being easily corroded by the humidity of the material after high temperature, causing the exhaust member 6 to be polluted.

[0052] refer to Figure 3 and Figure 4As shown, an exhaust groove 621 is provided on the surface of the exhaust portion 62 , and the compressed gas in the cavity is discharged through the exhaust portion 62 via the exhaust groove 621 .

[0053] refer to Figure 3 As shown, the exhaust groove 621 of this embodiment includes a gas collecting end 6211 and an exhaust end 6212. The gas collecting end 6211 is arranged at the connection between the sealing portion 61 and the exhaust portion 62, and the gas collecting end 6211 is annular. The exhaust end 6212 extends toward the handle 63, and the compressed gas in the cavity enters the exhaust groove 621 from the gas collecting end 6211 and is discharged through the exhaust end 6212.

[0054] refer to Figure 3 and Figure 4 As shown, the exhaust member 6 of this embodiment includes a first exhaust member 601 and a second exhaust member 602, and the exhaust end 6212 of the first exhaust member 601 is a spiral groove. On the one hand, through the exhaust end 6212 in the spiral groove, the exhaust portion 62 of the first exhaust member 601 is connected with the insert 51 in a sliding and sealing manner, and exhaust can also be achieved. On the other hand, when the exhaust end 6212 in the spiral groove slides in the exhaust channel 5, the exhaust channel 5 is cleaned to prevent the exhaust channel 5 from being blocked due to long-term use, which leads to the exhaust member 6 being squeezed out of the way, thereby preventing the exhaust member 6 and the exhaust channel 5 from being worn, and extending the service life of the exhaust member 6 and the exhaust channel 5.

[0055] refer to Figure 4 As shown, the exhaust end 6212 of the second exhaust member 602 includes a first exhaust section 6213 and a second exhaust section 6214. The first exhaust section 6213 is a straight groove, and the second exhaust section 6214 is an annular groove. On the one hand, through the first exhaust section 6213 and the second exhaust section 6214, the exhaust portion 62 of the second exhaust member 602 is connected with the insert 51 in a sliding and sealing manner, and exhaust can also be achieved. On the other hand, the number of the first exhaust sections 6213 is at least two, and through the cooperation of the first exhaust section 6213 and the second exhaust section 6214, the exhaust volume of the exhaust end 6212 of the second exhaust member 602 is larger, and the exhaust efficiency is high.

[0056] In this embodiment, a material guide channel 8 connected to the cavity is provided at the connection between the first mold core 3 and the second mold core 4. The first mold base 1 is provided with an injection channel 9. The material guide channel 8 is connected to the injection channel 9 and is connected to an external injection device through the injection channel 9 to realize injection into the cavity.

[0057] refer to Figure 2 As shown, the material guide channel 8 of this embodiment includes a first material guide groove 81 arranged circumferentially along the connection between the first mold core 3 and the second mold core 4, and a second material guide groove 82 extending from the first material guide groove 81 to the inside of the mold cavity, and a buffer cavity 83 is arranged between the second material guide groove 82 and the first material guide groove 81, so that the second material guide groove 82 is connected to the first material guide groove 81 through the buffer cavity 83.

[0058] refer to Figure 5 As shown, the injection channel 9 of this embodiment includes a main material trough 91 and a branch material trough 92 that are connected to each other. The main material trough 91 is connected to an external injection device, and the branch material trough 92 is connected to the first material guide trough 81, thereby realizing the connection between the material guide channel 8 and the injection channel 9.

[0059] refer to Figure 5 As shown, the branching trough 92 of this embodiment includes a first trough 921, a second trough 922 and a third trough 923 which are connected to each other. The third trough 923 is arranged along the outer periphery of the first guide trough 81. A connecting trough 924 is arranged between the third trough 923 and the first guide trough 81, and the branching trough 92 is connected to the first guide trough 81 through the connecting trough 924. The connecting trough 924 is staggered with the buffer cavity 83 to make the injection smoother.

[0060] refer to Figure 1 As shown, specifically, the first mold base 1 and the second mold base 2 are both provided with a fixing plate 23, and the fixing plate 23 is provided with a fixing platform 24 and a plurality of fixing grooves 25, and the fixing grooves 25 are arranged at intervals along the length direction of the fixing plate 23, and the first mold base 1 or the second mold base 2 is conveniently fixed through the fixing grooves 25. The fixing platforms 24 are respectively arranged at both ends of the fixing plate 23, and the first mold base 1 and the second mold base 2 are conveniently moved closer or farther away from each other through the fixing platforms 24.

[0061] refer to Figure 2 As shown, specifically, the end surface where the first mold core 3 and the second mold core 4 are connected is wavy, and the wavy connected end surface increases the contact area of ​​the end surface where the first mold core 3 and the second mold core 4 are connected, so that the sealing of the mold cavity is better. The first mold core 3 and the second mold core 4 are both provided with an anti-sticking layer inside, so that the golf ball is easier to separate from the mold cavity.

[0062] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A golf ball injection mold for facilitating demoulding of products, comprising a first mold base (1), a second mold base (2), a first mold core (3) and a second mold core (4), wherein the first mold base (1) and the second mold base (2) are arranged opposite to each other, the first mold core (3) is fixed to the first mold base (1), the second mold core (4) is fixed to the second mold base (2), the first mold base (1) and the second mold base (2) are molded together, and the first mold core (3) and the second mold core (4) are connected to form a mold cavity, characterized in that: The first mold core (3) and the second mold core (4) are both provided with an exhaust channel (5), and an exhaust component (6) for supporting the golf ball core and discharging the internal pressure of the mold cavity is provided in the exhaust channel (5), and the exhaust component (6) is slidably and sealingly connected to the exhaust channel (5); The exhaust member (6) comprises a sealing portion (61), an exhaust portion (62) and a handle portion (63) which are arranged in sequence; A resetter (7) for resetting the exhaust member (6) is provided between the exhaust member (6) and the first mold base (1) and the second mold base (2).

2. A golf ball injection mold for easy demoulding of products according to claim 1, characterized in that: The first mold base (1) and the second mold base (2) are both provided with a core fixing plate (21) and a core limiting plate (22). The core fixing plate (21) is provided with a core fixing cavity (211) for connecting with the first mold core (3) or the second mold core (4), and the core limiting plate (22) is provided with a limiting groove (221) for limiting the first mold core (3) or the second mold core (4); The first mold core (3) and the second mold core (4) are both provided with a limiting portion (41); the first mold core (3) or the second mold core (4) is sleeved in the core fixing cavity (211); and the limiting portion (41) is clamped in the limiting groove (221).

3. A golf ball injection mold for easy demoulding of products according to claim 1, characterized in that: An insert (51) is provided in the exhaust passage (5), and the insert (51) is slidably and sealingly connected to the exhaust portion (62) of the exhaust member (6).

4. A golf ball injection mold for easy demoulding of products according to claim 1, characterized in that: The surface of the exhaust member (6) is plated with a wear-resistant layer, and the surface of the exhaust portion (62) is provided with an exhaust groove (621).

5. A golf ball injection mold for easy demoulding of products according to claim 4, characterized in that: The exhaust groove (621) comprises an air collecting end (6211) and an exhaust end (6212), wherein the air collecting end (6211) is arranged at the connection between the sealing portion (61) and the exhaust portion (62), and the exhaust end (6212) extends toward the handle portion (63).

6. A golf ball injection mold for easy demoulding of products according to claim 5, characterized in that: The exhaust member (6) comprises a first exhaust member (601) and a second exhaust member (602), wherein the exhaust end (6212) of the first exhaust member (601) is in the form of a spiral groove; The exhaust end (6212) of the second exhaust member (602) comprises a first exhaust section (6213) and a second exhaust section (6214); the first exhaust section (6213) is a straight groove, and the second exhaust section (6214) is an annular groove.

7. The golf ball injection mold for easy demoulding of the product according to claim 1, characterized in that: A material guide channel (8) connected to the mold cavity is provided at the connection between the first mold core (3) and the second mold core (4), and a material injection channel (9) is provided on the first mold base (1), and the material guide channel (8) is connected to the material injection channel (9).

8. The golf ball injection mold for easy demoulding of the product according to claim 7, characterized in that: The material guide channel (8) comprises a first material guide groove (81) arranged circumferentially along the connection between the first mold core (3) and the second mold core (4), and a second material guide groove (82) extending from the first material guide groove (81) to the inside of the mold cavity, and a buffer cavity (83) is arranged between the second material guide groove (82) and the first material guide groove (81).

9. A golf ball injection mold for easy demoulding of products according to claim 8, characterized in that: The injection channel (9) comprises a main material trough (91) and a branch material trough (92) which are connected to each other. The main material trough (91) is connected to an external injection device, and the branch material trough (92) is connected to the first material guide trough (81).

10. A golf ball injection mold for easy demoulding of products according to claim 9, characterized in that: The branch material trough (92) comprises a first material trough (921), a second material trough (922) and a third material trough (923) which are connected to each other; the third material trough (923) is arranged along the outer periphery of the first material guide trough (81); a connecting groove (924) is arranged between the third material trough (923) and the first material guide trough (81); and the connecting groove (924) and the buffer cavity (83) are arranged in a staggered manner.

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