Demoulding device for plastic pearl production

Abstract

The utility model relates to the technical field of plastic pearl production, in particular to a demolding device for plastic pearl production, which comprises a mold body, the mold body comprises a base, a support rod, a top plate, a telescopic cylinder, an upper mold plate, a mold seat and a lower mold plate; a demolding mechanism is arranged on the inner side of the mold base and comprises a first movable groove. The motor runs to drive the rotating rod to rotate, so that the first conical teeth rotate to drive the second conical teeth, the screw rod can rotate along with the rotating rod, the sleeve can drive the connecting plate and the ejector rod to vertically move under the action of the screw rod, and plastic pearls formed in the lower mold plate can be ejected out through ascending of the ejector rod; the plastic pearls can be prevented from being blocked in the lower mold plate, so that after the plastic pearls are produced, the plastic pearls do not need to be manually demolded, the demolding efficiency of the plastic pearls can be improved, and meanwhile, the production quality and the demolding effect of the plastic pearls can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic pearl production, specifically to a demolding device for plastic pearl production. BACKGROUND

[0002] Pearl is an ancient organic gem, mainly produced in pearl and pearl oyster soft animal body, it is the endocrine effect of shellfish and the mineral bead containing calcium carbonate, which is composed of a large number of small aragonite crystals. Plastic pearl is a bead made of plastic, coated with pearl pigment on the outside to imitate the appearance of natural pearl. When producing plastic pearls, production molds are usually used to process plastic pearls to facilitate the molding of plastic pearls.

[0003] In the prior art, different lower molds need to be replaced when producing different jewelry, and the lower mold is usually installed and fixed with the device body by using screw fixing components and devices. It takes a lot of time to disassemble and reassemble multiple screws, and the operation is complicated, which affects the production efficiency of the device. For example, the patent with the announcement number CN221356007U discloses a jewelry three-dimensional forming mold, which is provided with a base horizontally arranged on the base upper end surface, a lower mold is slidably connected to the base upper end surface, a plurality of fixed blocks are fixedly installed on the base upper end surface and slidably connected to the outer side wall of the lower mold, a groove is horizontally formed in the side wall of the fixed block facing the lower mold, a clamping column is horizontally slidably connected to the inner wall of the groove, the clamping column is fixedly connected to the inner wall of the groove through a first spring, the clamping column extends to the outer side wall of the lower mold and is movably embedded in the outer side wall of the lower mold, the clamping column is connected to a clamping control mechanism, a top plate is horizontally arranged above the base, the top plate is fixedly connected to the base through support columns at the corners, the top plate is horizontally installed with a connecting plate through a lifting mechanism, which makes the replacement of the lower mold more convenient and fast, and simplifies the operation effect.

[0004] Although the replacement of the lower mold can be realized through the cooperation of the limiting block and the clamping column, when producing plastic pearls, the plastic pearls are easy to be stuck in the mold cavity. Since the plastic pearls cannot be taken out well, it is often necessary to manually or with the help of tools to pull the plastic pearls out, which is low in efficiency and cannot guarantee the integrity of the plastic pearls taken out, which is not conducive to guaranteeing the production quality of the plastic pearls. Therefore, in order to solve the above problems, a demolding device for plastic pearl production is proposed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a demoulding device for plastic pearl production, to solve the problem of the above background art that the plastic pearl cannot be taken out well, so that the plastic pearl is often taken out manually or by means of tools, which is inefficient and cannot guarantee the integrity of the plastic pearl, and is not conducive to guaranteeing the production quality of the plastic pearl.

[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a demoulding device for plastic pearl production, comprising a mould body, the mould body comprising a base, a supporting rod, a top plate, a telescopic air cylinder, an upper mould plate, a mould base and a lower mould plate;

[0007] The inner side of the mould base is provided with a demoulding mechanism, the demoulding mechanism comprising a first movable groove, the first movable groove being formed in the inner side of the mould base and the lower mould plate, the inner side of the first movable groove being movably connected with a screw rod, the surface of the screw rod being threadedly connected with a sleeve, the top end of the sleeve being fixedly connected with a connecting plate, and the upper surface of the connecting plate being fixedly connected with a top rod.

[0008] Preferably, the demoulding mechanism further comprises a rotating rod, the rotating rod being movably connected to the inner side of the first movable groove, the rotating rod being movably connected to the mould base, the surface of the rotating rod being fixedly connected with a first conical tooth, the surface of the mould base being fixedly provided with a motor, the surface of the screw rod being fixedly connected with a second conical tooth, the supporting rod being fixedly connected to the upper surface of the base, the top end of the supporting rod being fixedly connected with the top plate, the inner side of the top plate being fixedly provided with the telescopic air cylinder, the output end of the telescopic air cylinder being fixedly connected with the upper mould plate, the upper surface of the base being fixedly connected with the mould base, and the surface of the mould base being provided with the lower mould plate.

[0009] Preferably, the connecting plate and the top rod are both movably arranged in the first movable groove, the top rod is movably connected to the lower mould plate, and the end of the rotating rod, away from the first conical tooth, is fixedly connected to the output end of the motor.

[0010] Preferably, the surface of the mould base is provided with a disassembling mechanism, the disassembling mechanism comprising a fixed block, the fixed block being fixedly connected to the surface of the lower mould plate, the lower surface of the fixed block being fixedly connected with a connecting block, the inner side of the mould base being provided with a second movable groove, the inner wall of the second movable groove being fixedly connected with a spring, the surface of the spring being fixedly connected with a movable rod, the end of the movable rod, away from the spring, being fixedly connected with a pulling block, the inner surface of the pulling block being fixedly connected with a plug rod, the inner side of the connecting block being provided with a through hole, the lower surface of the lower mould plate being fixedly connected with a positioning block, and the inner side of the mould base being provided with a positioning groove.

[0011] Preferably, one end of the spring is fixedly connected to the second movable groove, the other end of the spring is fixedly connected to the movable rod, and the movable rod is movably arranged in the inner side of the second movable groove.

[0012] Preferably, the through holes are fixedly connected with the lower die plate in four groups, and the positioning blocks are arranged in the inner side of the die holder in four groups.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The motor drives the rotating rod to rotate, so that the first conical gear can rotate to drive the second conical gear, and then the screw rod can rotate, so that the sleeve can drive the connecting plate and the ejector rod to move vertically under the action of the screw rod, the plastic pearls formed in the lower die plate can be ejected by the rising of the ejector rod, the plastic pearls can be prevented from being jammed in the lower die plate, and after the plastic pearls are produced, the plastic pearls can be demolded without manual operation, the efficiency of demolding the plastic pearls can be improved, and the production quality and demolding effect of the plastic pearls can be ensured.

[0015] The plug rod can be pulled out of the through hole under the action of the pull block, so that the fixing of the connecting block can be released, the lower die plate and the die holder can be conveniently disassembled after the plastic pearls are produced, the lower die plate can be taken out to pour out the plastic pearls, the plastic pearls do not need to be manually taken out or transferred, the processing of the plastic pearls is more convenient, and the connection and installation of the die holder and the lower die plate can be positioned through the cooperation of the positioning blocks and the positioning grooves, the installation can be prevented from being misaligned, and the accuracy of the installation of the lower die plate can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure front view schematic diagram of the utility model;

[0017] Figure 2 It is a structure bottom view schematic diagram of the utility model;

[0018] Figure 3 It is a structure front view cross-sectional view explosion schematic diagram of the lower die plate and the fixed block of the utility model;

[0019] Figure 4 It is a structure front view cross-sectional view explosion schematic diagram of the screw rod and the ejector rod of the utility model;

[0020] Figure 5 It is a structure side view explosion schematic diagram of the fixed block and the connecting block of the utility model.

[0021] In the figure: 1, base; 11, support rod; 12, top plate; 13, telescopic cylinder; 14, upper die plate; 15, die holder; 16, lower die plate; 2, first movable groove; 21, rotating rod; 22, first conical tooth; 23, motor; 24, screw rod; 25, second conical tooth; 26, sleeve; 27, connecting plate; 28, ejector rod; 3, fixed block; 31, connecting block; 32, second movable groove; 33, spring; 34, movable rod; 35, pull block; 36, insertion rod; 37, through hole; 38, positioning block; 39, positioning groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-5 An embodiment provided by the utility model:

[0024] The telescopic cylinder 13 and the motor 23 used in the application are products that can be directly purchased on the market, and the principles and connection modes thereof are all prior art well known to those skilled in the art, so they will not be described here.

[0025] A demolding device for plastic pearl production, comprising a die body, the die body comprising a base 1, a support rod 11, a top plate 12, a telescopic cylinder 13, an upper die plate 14, a die holder 15 and a lower die plate 16, the inner sides of the upper die plate 14 and the lower die plate 16 are both provided with die cavities matched with plastic pearls, the telescopic cylinder 13 can drive the upper die plate 14 to descend, so that the upper die plate 14 can press down the lower die plate 16 and adhere to the lower die plate 16, that is, the plastic pearls can be molded and processed.

[0026] The inner side of the die holder 15 is provided with a demolding mechanism, the demolding mechanism comprising a first movable groove 2, the first movable groove 2 being provided on the inner sides of the die holder 15 and the lower die plate 16, the inner side of the first movable groove 2 movably connected with a screw rod 24, the surface of the screw rod 24 threadedly connected with a sleeve 26, the top end of the sleeve 26 fixedly connected with a connecting plate 27, the upper surface of the connecting plate 27 fixedly connected with an ejector rod 28, the sleeve 26 can move under the action of the screw rod 24 through the rotation of the screw rod 24, so that the connecting plate 27 and the ejector rod 28 can move vertically, the plastic pearls and the lower die plate 16 can be separated through the upward movement of the ejector rod 28, so as to facilitate the demolding of the plastic pearls.

[0027] Further, the demolding mechanism further comprises a rotating rod 21 movably connected to the inner side of the first movable slot 2, the rotating rod 21 is movably connected with the mold base 15, the surface of the rotating rod 21 is fixedly connected with a first conical gear 22, the surface of the mold base 15 is fixedly connected with a motor 23, the surface of a screw rod 24 is fixedly connected with a second conical gear 25, the support rod 11 is fixedly connected to the upper surface of the base 1, the top end of the support rod 11 is fixedly connected with a top plate 12, the inner side of the top plate 12 is fixedly connected with a telescopic pneumatic cylinder 13, the output end of the telescopic pneumatic cylinder 13 is fixedly connected with an upper mold plate 14, the upper surface of the base 1 is fixedly connected with the mold base 15, the surface of the mold base 15 is provided with a lower mold plate 16, the rotating rod 21 can be driven to rotate by the operation of the motor 23, and then the first conical gear 22 rotates, which can drive the second conical gear 25, so that the screw rod 24 rotates, and the sleeve 26 drives the connecting plate 27 and the top rod 28 to move vertically.

[0028] Further, the connecting plate 27 and the top rod 28 are movably arranged in the inner side of the first movable slot 2, the top rod 28 is movably connected with the lower mold plate 16, the end of the rotating rod 21 away from the first conical gear 22 is fixedly connected with the output end of the motor 23, and the top rod 28 can push out the plastic pearls during the rising process, which can avoid that the plastic pearls are stuck in the mold cavity of the lower mold plate 16 after forming.

[0029] Further, the surface of the mold base 15 is provided with a disassembly mechanism, the disassembly mechanism comprises a fixed block 3 fixedly connected to the surface of the lower mold plate 16, the lower surface of the fixed block 3 is fixedly connected with a connecting block 31, the inner side of the mold base 15 is provided with a second movable slot 32, the inner wall of the second movable slot 32 is fixedly connected with a spring 33, the surface of the spring 33 is fixedly connected with a movable rod 34, the end of the movable rod 34 away from the spring 33 is fixedly connected with a pull block 35, the inner surface of the pull block 35 is fixedly connected with a plug rod 36, the inner side of the connecting block 31 is provided with a through hole 37, the lower surface of the lower mold plate 16 is fixedly connected with a positioning block 38, the inner side of the mold base 15 is provided with a positioning slot 39, the pull block 35 is pulled, the plug rod 36 can be separated from the through hole 37, and then the lower mold plate 16 and the mold base 15 can be disassembled, so that the plastic pearls can be poured out by taking down the lower mold plate 16.

[0030] Further, one end of the spring 33 is fixedly connected with the second movable slot 32, the other end of the spring 33 is fixedly connected with the movable rod 34, the movable rod 34 is movably arranged in the inner side of the second movable slot 32, the spring 33 can reset the movable rod 34, and then the pull block 35 drives the plug rod 36 to be inserted into the inner side of the through hole 37, so that the connecting block 31 can be locked, and the lower mold plate 16 can be installed on the mold base 15 to produce the plastic pearls.

[0031] Further, the through holes 37 are fixedly connected with the lower mold plate 16, and the positioning blocks 38 are arranged on the inner side of the mold base 15 in four groups, and the through holes 37 are matched with the positioning blocks 38, so that the lower mold plate 16 can be positioned when being installed on the mold base 15, and the installation error can be avoided.

[0032] Working principle: in use, the motor 23 is electrically connected by an external power supply, and the staff starts the motor 23 by pressing the switch, the motor 23 drives the rotating rod 21 to rotate, the first conical gear 22 rotates under the action of the rotating rod 21, and then the first conical gear 22 drives the second conical gear 25 to rotate and drives the screw rod 24 to rotate, the sleeve 26 drives the connecting plate 27 and the ejector rod 28 to move vertically under the action of the screw rod 24, the connecting plate 27 and the ejector rod 28 move in the first movable groove 2, and the ejector rod 28 moves upward, so that the plastic pearls in the lower mold plate 16 can be ejected, and the demolding can be realized.

[0033] By pulling the pull block 35, the movable rod 34 moves in the second movable groove 32 under the action of the pull block 35, at this time the spring 33 is in a stretched state, and then the plug rod 36 moves under the action of the pull block 35 and is separated from the through hole 37, so that the fixing of the connecting block 31 can be released, the lower mold plate 16 and the mold base 15 can be disassembled, and the produced plastic pearls can be poured out, when the lower mold plate 16 needs to be installed and used, the lower mold plate 16 is placed on the mold base 15, the positioning block 38 is put into the positioning groove 39, and then the pull block 35 is loosened, the movable rod 34 is reset under the rebound action of the spring 33, and then the plug rod 36 is inserted into the through hole 37, so that the fixing of the connecting block 31 can be realized, and the installation of the mold base 15 and the lower mold plate 16 can be completed.

[0034] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the drawings and the above; however, any equivalent changes, modifications and evolution of the above disclosed technical content without departing from the technical scheme of the present application can be made by those skilled in the art; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A demolding device for plastic bead production, comprising a mold body, the mold body comprising a base (1), a support rod (11), a top plate (12), a telescopic air cylinder (13), an upper mold plate (14), a mold seat (15) and a lower mold plate (16); characterized in that The inner side of the mold seat (15) is provided with a demolding mechanism, the demolding mechanism comprising a first movable slot (2) opened in the inner side of the mold seat (15) and the lower mold plate (16), the inner side of the first movable slot (2) movably connected with a screw rod (24), the surface of the screw rod (24) threadedly connected with a sleeve (26), the top end of the sleeve (26) fixedly connected with a connecting plate (27), the upper surface of the connecting plate (27) fixedly connected with a top rod (28).

2. The demolding device for plastic pearl production according to claim 1, characterized in that: The demolding mechanism further comprises a rotating rod (21) movably connected to the inner side of the first movable slot (2), the rotating rod (21) movably connected with the mold seat (15), the surface of the rotating rod (21) fixedly connected with a first conical tooth (22), the surface of the mold seat (15) fixedly installed with a motor (23), the surface of the screw rod (24) fixedly connected with a second conical tooth (25), the support rod (11) fixedly connected to the upper surface of the base (1), the top end of the support rod (11) fixedly connected with the top plate (12), the inner side of the top plate (12) fixedly installed with the telescopic air cylinder (13), the output end of the telescopic air cylinder (13) fixedly connected with the upper mold plate (14), the upper surface of the base (1) fixedly connected with the mold seat (15), the surface of the mold seat (15) provided with the lower mold plate (16).

3. The demolding device for plastic pearl production according to claim 2, characterized in that: The connecting plate (27) and the top rod (28) are movably arranged in the first movable slot (2), the top rod (28) movably connected with the lower mold plate (16), the end of the rotating rod (21) away from the first conical tooth (22) fixedly connected with the output end of the motor (23).

4. The demolding device for plastic pearl production according to claim 1, characterized in that: The surface of the mold seat (15) is provided with a splitting mechanism, the splitting mechanism comprising a fixed block (3) fixedly connected to the surface of the lower mold plate (16), the lower surface of the fixed block (3) fixedly connected with a connecting block (31), the inner side of the mold seat (15) provided with a second movable slot (32), the inner wall of the second movable slot (32) fixedly connected with a spring (33), the surface of the spring (33) fixedly connected with a movable rod (34), the end of the movable rod (34) away from the spring (33) fixedly connected with a pulling block (35), the inner surface of the pulling block (35) fixedly connected with a plug rod (36), the inner side of the connecting block (31) provided with a through hole (37), the lower surface of the lower mold plate (16) fixedly connected with a positioning block (38), the inner side of the mold seat (15) provided with a positioning slot (39).

5. The demolding device for plastic pearl production according to claim 4, characterized in that: One end of the spring (33) is fixedly connected with the second movable slot (32), the other end of the spring (33) is fixedly connected with the movable rod (34), the movable rod (34) movably arranged in the second movable slot (32).

6. The demolding device for plastic beads production according to claim 4, characterized in that: The through hole (37) is fixedly connected with the lower die plate (16) in four groups, and the positioning block (38) is arranged on the inner side of the die seat (15) in four groups.

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