Rapid forming mold for plastic sports equipment

Abstract

The invention relates to the technical field of sports equipment production and processing, in particular to a plastic sports equipment rapid forming mold which comprises a base, a downward pressing mechanism, a cooling mechanism and a top plate, the downward pressing mechanism is arranged on the base, the cooling mechanism is arranged on the base, and the cooling mechanism comprises a mounting plate II, a sliding block, a shell and a fan. The mounting plates II are symmetrically connected to the base, the sliding blocks are slidably connected to the mounting plates II, the shell is connected to the sliding blocks, the fan is mounted in the shell, and the top plate is slidably connected to the base. According to the full-automatic demolding device, the jacking mechanism is installed, the top end of a cam makes contact with a jacking plate and jacks the jacking plate upwards, the upper side face of the jacking plate can jack a plastic finished product out of a lower mold, and therefore the plastic finished product is demolded, the device can rapidly demold the plastic finished product, the demolding process is full-automatic, and the demolding efficiency is improved. Manual intervention is not needed, and the production cost is saved while the demolding efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of sports equipment production and processing, and in particular to a rapid prototyping mold for plastic sports equipment. Background Art

[0002] Plastic sports equipment refers to sports equipment made of plastic or synthetic resin as the main raw materials. The advantages of plastic sports equipment include lightness, corrosion resistance, bright colors, easy cleaning and maintenance, etc. In addition, with the advancement of technology, today's plastic sports equipment also pays more attention to environmental protection and sustainability in terms of materials.

[0003] According to a plastic rod rapid prototyping mold with a patent authorization publication number of CN220052674U and an authorization publication date of 2023-11-21. Its technical solution includes a cold water tank, a return main pipe, a mold body, a water inlet main pipe and a water pump. The mold body is provided with an S-shaped flow channel A and an S-shaped flow channel B. One end of the water inlet main pipe is fixedly connected to a water inlet tee, and the upper and lower surfaces of the water inlet tee are fixedly connected to a water inlet pipe. The two ends of the water inlet pipes are respectively fixedly connected to the upper and lower surfaces of the mold body, and the two water inlet pipes are respectively connected to the S-shaped flow channel A and the S-shaped flow channel B. One end of the return main pipe is fixedly connected to a return tee, and the upper and lower surfaces of the return tee are fixedly connected to a return pipe, and the two ends of the return pipes are respectively fixedly connected to the upper and lower surfaces of the mold body. The present invention can make the overall plastic mold evenly and quickly cool down, improve the cooling and molding efficiency of the plastic rod inside the mold cavity, and the mold is provided with a water cooling mechanism to achieve rapid cooling and demoulding, which effectively improves the working efficiency of the mold. However, the device does not have the function of automatic demoulding, and the cast product needs to be manually removed from the mold. In the process of removing, in order to ensure the integrity and quality of the product, the operator's technique is required to be relatively high, which leads to low efficiency of manual demoulding.

[0004] Therefore, we are in urgent need of a rapid prototyping mold for plastic sports equipment. Summary of the invention

[0005] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a rapid prototyping mold for plastic sports equipment.

[0006] Technical solution: A rapid prototyping mold for plastic sports equipment, including a base, a downward pressing mechanism, a cooling mechanism, a top plate and an upper pushing mechanism. The base is provided with a downward pressing mechanism, and the base is provided with a cooling mechanism. The cooling mechanism includes a mounting plate II, a slider, a shell and a fan. The base is symmetrically connected with a mounting plate II, and a slider is slidably connected with the mounting plate II. The slider is connected with a shell, and a fan is installed inside the shell. The base is slidably connected with a top plate, and the base is provided with an upper pushing mechanism. The upper pushing mechanism includes a connecting rod I, a rack I, a rotating shaft, a one-way gear I and a cam. The right part of the slider is connected with a connecting rod I, and the connecting rod I is slidably connected to the base. The lower end of the connecting rod I is connected with a rack I, and the lower part of the base is rotatably connected with the rotating shaft through a bearing. The left and right ends of the rotating shaft are symmetrically provided with slots, and the end of the rotating shaft on the same side as the rack I is connected with a one-way gear I, and the rack I can mesh with the one-way gear I. The rotating shaft is connected with a cam, and the cam contacts the bottom surface of the top plate.

[0007] In a preferred embodiment of the present invention, the pressing mechanism includes a mounting plate I, a cylinder, an upper mold and a lower mold, the mounting plate I is connected to the base, the cylinder is installed in the middle of the mounting plate I, the telescopic end of the cylinder is connected to the upper mold, the base is connected to the lower mold, the lower mold is aligned with the upper mold in the vertical direction, the top plate is slidably connected to the lower mold, and the upper side surface of the top plate is flush with the inner bottom surface of the lower mold.

[0008] In a preferred embodiment of the present invention, a displacement mechanism is further included. The displacement mechanism is provided on the base. The displacement mechanism includes a motor and a threaded rod. The motor is installed on one side of the mounting plate II. The output shaft of the motor is connected to the threaded rod. The slider is threadedly connected to the threaded rod.

[0009] In a preferred embodiment of the present invention, it also includes an electric push rod and a push plate. The rear part of the base is equipped with an electric push rod, and the telescopic end of the electric push rod is connected with a push plate, and the push plate is located between the shell and the lower mold.

[0010] In a preferred embodiment of the present invention, the lifting mechanism also includes a connecting rod II, a rack II and a one-way gear II. The push plate is connected to the connecting rod II, and the connecting rod II is slidably connected to the base. The lower end of the connecting rod II is connected to the rack II, and the end of the rotating shaft that is not connected to the one-way gear I is connected to the one-way gear II, and the rack II can engage with the one-way gear II.

[0011] In a preferred embodiment of the present invention, both the front and rear sides of the rack I and the gear II are inclined surfaces.

[0012] In a preferred embodiment of the present invention, it also includes a fixing mechanism, two fixing mechanisms are arranged on the base, the fixing mechanism includes a mounting rod, a top rod, an elastic member, a connecting rod III and a connecting rod IV, the lower part of the base is connected to the mounting rod, the inner part of the mounting rod is slidably connected to the top rod, an elastic member is connected between the mounting rod and the top rod, the top rod is fitted with a slot on the rotating shaft, the side of the top rod away from each other is connected to the connecting rod III, and the two fixing mechanisms are commonly connected to the connecting rod IV.

[0013] In a preferred embodiment of the present invention, it also includes a placement plate and an electric roller. The front part of the base is connected to the placement plate, and the electric roller is installed on the part of the placement plate close to the base.

[0014] In a preferred embodiment of the present invention, the outer wall of the electric roller is provided with a rubber sleeve with textures.

[0015] The beneficial effects of the present invention are: 1. The present invention installs a lifting mechanism, the top end of the cam contacts the top plate and pushes the top plate up, and the upper side of the top plate will push the finished plastic product out of the lower mold, thereby demolding the finished plastic product. This enables the device to quickly demold the finished plastic product, and the demolding process is fully automatic without manual intervention, which improves the demolding efficiency and saves production costs.

[0016] 2. The present invention installs a fixing mechanism. After the rack I is disconnected from the gear I and the connecting rod III, the rotating shaft just rotates 180 degrees, and the top rod will fit with another slot on the rotating shaft, thereby fixing the rotating shaft, so that the cam will not rotate and tilt due to the excessive weight on the top plate, thereby causing the top plate to drop, thereby ensuring the stability of the top plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the cooling mechanism of the present invention.

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the cooling mechanism and the displacement mechanism of the present invention.

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the slider, top plate and upper lifting mechanism of the present invention.

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the electric push rod, push plate and lifting mechanism of the present invention.

[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the rotating shaft, cam and rack II of the present invention.

[0023] Figure 7 It is an enlarged view of point A of the present invention.

[0024] Figure 8 It is a schematic diagram of the three-dimensional structure of the base, the placement plate and the electric roller of the present invention.

[0025] In the accompanying drawings: 1-base, 101-mounting plate I, 102-cylinder, 103-upper mold, 104-lower mold, 2-cooling mechanism, 21-mounting plate II, 22-slider, 23-housing, 24-fan, 3-displacement mechanism, 31-motor, 32-threaded rod, 4-top plate, 5-electric push rod, 51-push plate, 6-upper mechanism, 61-connecting rod I, 62-rack I, 63-rotating shaft, 631-slot, 64-one-way gear I, 65-cam, 66-connecting rod II, 67-rack II, 68-one-way gear II, 7-fixing mechanism, 71-mounting rod, 72-top rod, 73-elastic member, 74-connecting rod III, 75-connecting rod IV, 8-placing plate, 81-electric roller. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0027] Embodiment: A rapid prototyping mold for plastic sports equipment, such as Figure 1-Figure 4 As shown, it includes a base 1, a pressing mechanism, a cooling mechanism 2, a top plate 4 and an upper push mechanism 6. The base 1 is provided with a pressing mechanism for hot pressing plastic, and the base 1 is provided with a cooling mechanism 2 for cooling the hot pressed plastic. The cooling mechanism 2 includes a mounting plate II 21, a slider 22, a shell 23 and a fan 24. The base 1 is symmetrically connected with the mounting plate II 21, the mounting plate II 21 is slidably connected with the slider 22, the slider 22 is connected with the shell 23, and the inside of the shell 23 is symmetrically installed with the fan 24. The base 1 is slidably connected with the top plate 4 up and down, and the base 1 is provided with an upper push mechanism 6. The top mechanism 6 includes a connecting rod Ⅰ61, a rack Ⅰ62, a rotating shaft 63, a one-way gear Ⅰ64 and a cam 65. The right part of the slider 22 is connected to the connecting rod Ⅰ61, and the connecting rod Ⅰ61 is slidably connected to the base 1 front and back. The lower end of the connecting rod Ⅰ61 is connected to the rack Ⅰ62. The lower part of the base 1 is rotatably connected to the rotating shaft 63 through a bearing. The left and right ends of the rotating shaft 63 are symmetrically provided with card grooves 631. The end of the rotating shaft 63 on the same side as the rack Ⅰ is connected to the one-way gear Ⅰ64, and the rack Ⅰ62 can mesh with the one-way gear Ⅰ64. The rotating shaft 63 is connected to a cam 65, and the cam 65 contacts the bottom surface of the top plate 4.

[0028] like Figure 1As shown, the pressing mechanism includes a mounting plate Ⅰ101, a cylinder 102, an upper mold 103 and a lower mold 104. The mounting plate Ⅰ101 is connected to the base 1, and the cylinder 102 is installed in the middle of the mounting plate Ⅰ101. The upper mold 103 is connected to the telescopic end of the cylinder 102, and the lower mold 104 is connected to the base 1. The lower mold 104 is aligned with the upper mold 103 in the vertical direction. The top plate 4 is slidably connected to the lower mold 104. The upper side of the top plate 4 is flush with the inner bottom surface of the lower mold 104. The rack Ⅰ62 will carry The outer ring of the one-way gear I 64 rotates together with the inner ring, thereby rotating the shaft 63. During this process, the cam 65 will rotate along with the shaft 63. The top end of the cam 65 contacts the top plate 4 and pushes the top plate 4 up. The upper side of the top plate 4 will push the finished plastic product out of the lower mold 104, thereby demolding the finished plastic product. This enables the device to quickly demold the finished plastic product, and the demolding process is fully automatic without manual intervention. While improving the demolding efficiency, it also saves production costs.

[0029] like Figure 3 , Figure 5 and Figure 6 As shown, the displacement mechanism 3, the electric push rod 5 and the push plate 51 are also included. The displacement mechanism 3 is provided on the base 1. The displacement mechanism 3 includes a motor 31 and a threaded rod 32. The motor 31 is installed on one side of the mounting plate II 21 through a fixing member. The output shaft of the motor 31 is connected with the threaded rod 32 through a coupling. The slider 22 is threadedly connected with the threaded rod 32. When the motor 31 is driven, the output shaft of the motor 31 will rotate with the threaded rod 32, so that the slider 22 moves forward along the threaded rod 32, so that the housing 23 and the fan 24 move along the mounting plate Ⅱ21 moves forward to drive the fan 24, and the fan 24 will supply air to cool the molded plastic, making it easier to demold the molded plastic; an electric push rod 5 is installed at the rear of the base 1, and a push plate 51 is connected to the telescopic end of the electric push rod 5, and the push plate 51 is located between the shell 23 and the lower mold 104. The electric push rod 5 is driven, and the electric push rod 5 will move forward with the push plate 51, thereby pushing the lifted product forward, and the product will fall onto the placement plate 8, so that the device can automatically discharge the product without manual intervention, thereby improving the working efficiency of the device.

[0030] like Figure 5 As shown, the lifting mechanism 6 also includes a connecting rod II 66, a rack II 67 and a one-way gear II 68. The push plate 51 is connected to the connecting rod II 66, and the connecting rod II 66 is slidably connected to the base 1 front and back. The lower end of the connecting rod II 66 is connected to the rack II 67, and the end of the rotating shaft 63 that is not connected to the one-way gear I 64 is connected to the one-way gear II 68. The rack II 67 can mesh with the one-way gear II 68, and the front and rear sides of the rack I 62 and the gear II are both inclined surfaces.

[0031] like Figure 7 and Figure 8 As shown, it also includes a fixing mechanism 7, two fixing mechanisms 7 are provided on the base 1, a placement plate 8 and an electric roller 81, the fixing mechanism 7 includes a mounting rod 71, a top rod 72, an elastic member 73, a connecting rod III 74 and a connecting rod IV 75, the lower part of the base 1 is connected to the mounting rod 71, the inner part of the mounting rod 71 is connected to the top rod 72 in an up-and-down sliding manner, the mounting rod 71 and the top rod 72 are connected by an elastic member 73 through a spring seat, the top rod 72 is matched with the card slot 631 on the rotating shaft 63, and the top rod 72 is connected to the side away from each other. There is a connecting rod III 74, and a connecting rod IV 75 is commonly connected between the two fixing mechanisms 7; a placing plate 8 is connected to the front of the base 1, and an electric roller 81 is installed on the part of the placing plate 8 close to the base 1. The outer wall of the electric roller 81 is provided with a rubber sleeve with a texture. When the electric roller 81 is driven, the electric roller 81 will carry the product forward. The rubber sleeve with a texture on the electric roller 81 can increase the friction between the electric roller 81 and the product, thereby better conveying the product and facilitating the conveying of the product.

[0032] When the device is to be used, the plastic raw material is first poured into the lower mold 104, and then the cylinder 102 is driven. The cylinder 102 will press the upper mold 103 downward, thereby hot pressing the plastic raw material in the lower mold 104. After completion, the cylinder 102 rises to reset the upper mold 103, and then the motor 31 is driven. The output shaft of the motor 31 will rotate with the threaded rod 32. At this time, the slider 22 will move forward along the threaded rod 32. While the slider 22 moves forward, the shell 23 will move forward along the mounting plate II 21 with the fan 24. When the shell 23 cannot move forward further, it means that the shell 23 is now located in the center of the lower mold 104. The fan 24 is driven, and the fan 24 will supply air for cooling the molded plastic, so that the molded plastic The glue is easier to demould; during the forward movement of the slider 22, the rack I62 will move forward together, and the rack I62 will contact and mesh with the one-way gear I64, and rotate with the outer ring of the one-way gear I64. When the inclined surface on the rack I62 contacts the connecting rod III74 and continues to move forward, the connecting rod III74, the push rod 72 and the connecting rod IV75 will be pushed up, and the elastic member 73 will be compressed. When the connecting rod IV75 is pushed up, the fixing mechanism 7 on the other side will move up, so that the push rod 72 can be disengaged from the slot 631 on the rotating shaft 63, and the rack I62 continues to move forward. After the upper side of the rack I62 is disconnected from the connecting rod III74, the elastic member 73 will bring the push rod 72 and the components connected to the push rod 72 together. At the same time, the push rod 72 will re-fit with the groove 631 on the shaft 63. After the plastic is cooled, the output shaft of the motor 31 will reversely rotate the threaded rod 32, and the threaded rod 32 will bring the slider 22 and the fan 24 to reset. During this process, the upper side of the rack Ⅰ62 will contact the connecting rod Ⅲ74 again and push the connecting rod Ⅲ74 up, so that the push rod 72 is disengaged from the groove 631 on the shaft 63, so that the shaft 63 can rotate. When the rack Ⅰ62 contacts and meshes with the one-way gear Ⅰ64 again, the rack Ⅰ62 will rotate with the outer ring and inner ring of the one-way gear Ⅰ64, thereby rotating with the shaft 63. During this process, the cam 65 will rotate with the shaft 63. The top of 65 contacts with the top plate 4 and pushes the top plate 4 up, and the upper side of the top plate 4 will push the finished plastic product out of the lower mold 104, thereby demolding the finished plastic product, which enables the device to quickly demold the finished plastic product, and the demolding process is fully automatic, without manual intervention, while improving the demolding efficiency, it also saves production costs; after the rack I 62 is disconnected from the gear I and the connecting rod III 74, at this time, the shaft 63 has just rotated 180 degrees, and the push rod 72 will fit with another slot 631 on the shaft 63, thereby fixing the shaft 63, so that the cam 65 will not rotate and tilt due to the excessive weight on the top plate 4, thereby causing the top plate 4 to fall, thereby ensuring the stability of the top plate 4.

[0033] The electric push rod 5 is driven, and the electric push rod 5 will move forward with the push plate 51, so as to push the lifted product forward, and the product will fall onto the placement plate 8, so that the device can automatically discharge the product without manual intervention, thereby improving the working efficiency of the device, and the electric roller 81 is driven, and the electric roller 81 will transport the product forward. The rubber sleeve with textures on the electric roller 81 can increase the friction between the electric roller 81 and the product, so as to better transport the product and facilitate the transportation of the product. When the push plate 51 moves forward, the connecting rod II 66 will move forward together with the rack II 67, and the rack II 67 will contact and mesh with the one-way gear II 68, and rotate with the outer ring of the one-way gear II 68. When the inclined surface on the rack II 67 contacts the connecting rod III 74 and continues to move forward, the connecting rod III 74, the push rod 72 and the connecting rod IV 75 will be pushed up, and the elastic member 73 will be compressed. When the connecting rod IV 75 is pushed up, the fixing mechanism 7 on the other side will move up, so that the push rod 72 can The rack II 67 continues to move forward, and after the upper side of the rack II 67 is disconnected from the connecting rod III 74, the elastic member 73 will bring the push rod 72 and the components connected to the push rod 72 back to the original position. At this time, the push rod 72 will re-fit with the slot 631 on the rotating shaft 63. When the product is pushed, the electric push rod 5 will bring the push plate 51 back to the original position. In this process, the upper side of the rack II 67 will contact the connecting rod III 74 again and connect the connecting rod III 74. 4, so that the push rod 72 is disengaged from the slot 631 on the rotating shaft 63, so that the rotating shaft 63 can rotate. When the rack II 67 contacts and meshes with the one-way gear I 64 again, the rack II 67 will rotate with the outer ring and the inner ring of the one-way gear II 68, thereby rotating with the rotating shaft 63. In this process, the cam 65 will rotate and reset with the rotating shaft 63, and the top plate 4 that has been pushed up will descend and reset. The above steps can be repeated for subsequent work. After the work is completed, the device can be closed and cleaned.

[0034] While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims

1. A rapid prototyping mold for plastic sports equipment, comprising: Base (1); A pressing mechanism, arranged on the base (1) and used for hot pressing plastic; A cooling mechanism (2) is arranged on the base (1) and is used to cool down the plastic after hot pressing; The cooling mechanism (2) comprises: A mounting plate II (21) symmetrically connected to the base (1); A slider (22) slidably connected to the mounting plate II (21); A housing (23) connected to the slider (22); A fan (24) installed inside the housing (23); Its characteristics are: A top plate (4) slidably connected to the base (1); The lifting mechanism (6) is arranged on the base (1) and is used to demould the plastic product. The lifting mechanism (6) comprises: A connecting rod I (61) connected to the right portion of the sliding block (22), wherein the connecting rod I (61) is slidably connected to the base (1); A rack I (62) connected to the lower end of the connecting rod I (61); A rotating shaft (63) is rotatably connected to the lower part of the base (1) via a bearing, and both left and right ends of the rotating shaft (63) are symmetrically provided with slots (631); A one-way gear I (64) connected to the end of the rotating shaft (63) on the same side as the rack I (62), and the rack I (62) can mesh with the one-way gear I (64); A cam (65) is connected to the rotating shaft (63), and the cam (65) is in contact with the bottom surface of the top plate (4).

2. A rapid prototyping mold for plastic sports equipment according to claim 1, characterized in that: The pressing mechanism comprises: A mounting plate I (101), connected to the base (1); A cylinder (102) mounted in the middle of the mounting plate I (101); An upper mold (103) connected to the telescopic end of the cylinder (102); The lower mold (104) is connected to the base (1), the lower mold (104) is aligned with the upper mold (103) in the vertical direction, the top plate (4) is slidably connected to the lower mold (104), and the upper side surface of the top plate (4) is flush with the inner bottom surface of the lower mold (104).

3. A rapid prototyping mold for plastic sports equipment according to claim 2, characterized in that include: A displacement mechanism (3) is arranged on the mounting plate II (21) and is used to displace the slider (22). The displacement mechanism (3) comprises: A motor (31) mounted on one side of the mounting plate II (21); The threaded rod (32) is connected to the output shaft of the motor (31), and the slider (22) is threadedly connected to the threaded rod (32).

4. A rapid prototyping mold for plastic sports equipment according to claim 3, characterized in that include: An electric push rod (5) mounted on the rear of the base (1); A push plate (51) is connected to the telescopic end of the electric push rod (5), and the push plate (51) is located between the housing (23) and the lower mold (104).

5. A rapid prototyping mold for plastic sports equipment according to claim 4, characterized in that: The lifting mechanism (6) further comprises: A connecting rod II (66) connected to the push plate (51), wherein the connecting rod II (66) is slidably connected to the base (1); A rack II (67) connected to the lower end of the connecting rod II (66); The one-way gear II (68) is connected to the end of the rotating shaft (63) that is not connected to the one-way gear I (64), and the rack II (67) can mesh with the one-way gear II (68).

6. A rapid prototyping mold for plastic sports equipment according to claim 5, characterized in that: The front and rear sides of the rack I (62) and the gear II are both inclined surfaces.

7. A rapid prototyping mold for plastic sports equipment according to claim 6, characterized in that include: A fixing mechanism (7), wherein two fixing mechanisms (7) are provided and are arranged on the base (1), and the fixing mechanism (7) comprises: A mounting rod (71) connected to the lower part of the base (1); A push rod (72) is slidably connected to the interior of the mounting rod (71), and the push rod (72) is engaged with the slot (631) on the rotating shaft (63); An elastic member (73) connected between the mounting rod (71) and the push rod (72); A connecting rod III (74) connected to a side of the top rod (72) that is away from each other; The connecting rod IV (75) is connected between the two fixing mechanisms (7).

8. A rapid prototyping mold for plastic sports equipment according to claim 7, characterized in that include: A placement plate (8) connected to the front of the base (1); The electric roller (81) is mounted on the portion of the placement plate (8) close to the base (1).

9. A rapid prototyping mold for plastic sports equipment according to claim 8, characterized in that: The outer wall of the electric roller (81) is provided with a rubber sleeve with patterns.

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