Automatic demolding device for mold

Abstract

The utility model discloses an automatic demolding device for a mold, and relates to the technical field of mold equipment. The upper surface of the base is fixedly provided with a supporting column, the upper surface of the supporting column is fixedly provided with a lower template, the base is fixedly provided with a supporting rod, and the upper end of the supporting rod is fixedly provided with a top plate. Injection molding liquid is injected through a sprue bush on an upper mold plate, after the injection molding liquid is cooled, the upper mold plate can be moved through a driving air cylinder, then a driving motor can be started to enable a connecting rod to rotate so as to enable a round rod to rotate, a cam is in rotating contact with a semicircular block, and a rectangular plate can move upwards to enter a penetrating groove; limiting can be carried out through the sleeve plate, so that the movable rod moves upwards, an injection molding part in the lower mold plate can be jacked up, after the injection molding part is taken out, the rectangular plate can return to the original position through the force of the spring after the driving motor is closed, and demolding is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of mold equipment, in particular to an automatic mold demoulding device. Background Art

[0002] Injection molding is a method of producing industrial products. It is a method of making thermoplastics or thermosetting materials into plastic products of various shapes using plastic molding molds. Injection molding is achieved through injection molding machines and molds.

[0003] In the existing injection mold production, plastic is usually injected into the mold by an injection molding machine, and the demoulding operation is performed manually. However, the temperature of the plastic mold just after injection molding is often relatively high, and workers manually demould it, which has low production efficiency and seriously affects large-scale continuous production. In addition, the existing demoulding device has poor stability during operation, and the ejection height is fixed and cannot be adjusted according to the needs of use. It has low practicality and poor demoulding effect. In view of the above problems, the inventor proposes a mold automatic demoulding device to solve the above problems. Utility Model Content

[0004] In order to solve the problems that in the existing injection mold production, plastic is usually injected into the mold by an injection molding machine, and the demoulding operation is performed manually, but the temperature of the plastic mold just injected is often relatively high, and the workers manually demould it, which has low production efficiency and seriously affects large-scale continuous production, and the existing demoulding device has poor stability during the working process, and the ejection height is fixed and cannot be adjusted according to the needs of use, which has low practicality and poor demoulding effect; the purpose of the utility model is to provide a mold automatic demoulding device.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an automatic mold demoulding device, comprising a base, a support column is fixedly provided on the upper surface of the base, a lower mold plate is fixedly provided on the upper surface of the support column, a support rod is fixedly provided on the base, a top plate is fixedly provided on the upper end of the support rod, a driving cylinder is fixedly provided on the lower surface of the top plate, an upper mold plate is provided on the output end of the driving cylinder, the upper mold plate is in active contact with the lower mold plate, a demoulding assembly is connected to both the base and the lower mold plate, and a positioning assembly is connected to the support column;

[0006] The demolding component includes a rectangular groove, which is opened on the upper surface of the base, and a spring is fixedly provided on the inner surface of the rectangular groove. The cross-sectional shape of the rectangular groove is "T"-shaped. There are six springs, and the spring array is distributed between the rectangular groove and the rectangular plate. A rectangular plate is fixedly provided on the upper end of the spring, and the rectangular plate is movably fitted with the inner surface of the rectangular groove. A movable rod is fixedly provided in the rectangular plate, and the upper end of the movable rod is flush with the inner surface of the lower template. The movable rod movably passes through the lower template, and a notch is opened at the lower end of the movable rod. A semicircular block is fixedly provided inside the notch, and a round rod is rotatably provided on the inner surface of the rectangular groove. A cam is fixedly provided on the outer surface of the round rod, and the cam is in rotational contact with the semicircular block. A driving motor is fixedly provided inside the base, and a groove matching the driving motor is opened inside the base. A connecting rod is provided at the output end of the driving motor, and the other end of the connecting rod is fixedly connected to one end of the round rod.

[0007] Preferably, the positioning assembly includes a through groove, which is provided on the side of the support column, a screw is rotatably provided between the inner surface of the through groove and the upper surface of the base, a sleeve is threadedly sleeved on the outer surface of the screw, a positioning pointer is fixedly provided on one side of the sleeve, the positioning pointer is slidingly fitted with the side of the support column, a positioning scale is fixedly provided on the side of the support column, the sleeve is slidingly fitted with the inner surface of the through groove, a square groove is provided on the side of the base, a round rod is fixedly provided at the lower end of the screw, the round rod passes through the square groove, a first gear is fixedly sleeved on the outer surface of the round rod, a fixed shell is fixedly provided on one side of the base, a second motor is fixedly provided on the inner surface of the fixed shell, a second gear is provided at the output end of the second motor, and the first gear is meshed with the second gear.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] 1. The utility model can make the upper template fit with the lower template by starting the driving cylinder, inject the injection liquid through the gate sleeve on the upper template, and after waiting for the injection liquid to cool, the upper template can be moved by driving the cylinder, and then the connecting rod can be rotated by turning on the driving motor to rotate the round rod, so that the cam and the semicircular block can be rotated and contacted, so that the rectangular plate can be moved upward into the groove, and the sleeve plate can be limited to move the movable rod upward, so that the injection molded part in the lower template can be lifted up, and after taking out the injection molded part, the driving motor can be turned off and the rectangular plate can be returned to its original position by the force of the spring, so that demoulding is convenient;

[0010] 2. The utility model can start the second motor to rotate the second gear, thereby driving the first gear meshing with it to rotate, and the screw can be rotated by the circular rod, so that the sleeve plate can be moved upward, so that the position of the positioning pointer can be adjusted, and the upward moving distance of the movable rod can be determined by the positioning pointer and the positioning scale, so that it can be adjusted according to needs, thereby improving its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the cross-sectional structure of the base of the utility model.

[0014] Figure 3 This is a schematic diagram of the rectangular plate structure of the utility model.

[0015] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0016] Figure 5 This is a schematic diagram of the structure of the positioning component of the utility model.

[0017] Figure 6 For this utility model Figure 5 Enlarged structural diagram at B in the middle.

[0018] Figure 7 For this utility model Figure 5 Enlarged structural diagram at point C in the middle.

[0019] In the figure: 1, base; 11, support column; 2, lower template; 3, upper template; 4, support rod; 41, top plate; 42, driving cylinder; 5, demoulding assembly; 51, rectangular groove; 52, spring; 53, rectangular plate; 54, movable rod; 55, notch; 56, semicircular block; 57, round rod; 58, cam; 59, driving motor; 591, connecting rod; 6, positioning assembly; 61, through groove; 62, screw; 63, sleeve plate; 631, positioning pointer; 632, positioning scale; 64, square groove; 65, round rod; 66, first gear; 67, fixed shell; 68, second motor; 69, second gear. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1: Figure 1-7 As shown, the utility model provides a mold automatic demoulding device, including a base 1, a support column 11 is fixedly provided on the upper surface of the base 1, a lower mold plate 2 is fixedly provided on the upper surface of the support column 11, a support rod 4 is fixedly provided on the base 1, a top plate 41 is fixedly provided on the upper end of the support rod 4, a driving cylinder 42 is fixedly provided on the lower surface of the top plate 41, an upper mold plate 3 is provided at the output end of the driving cylinder 42, a sprue sleeve is provided on the upper mold plate 2, the upper mold plate 3 is in active contact with the lower mold plate 2, a demoulding component 5 is connected to both the base 1 and the lower mold plate 2, and a positioning component 6 is connected to the support column 11;

[0022] The demoulding component 5 includes a rectangular groove 51, which is opened on the upper surface of the base 1. A spring 52 is fixed on the inner surface of the rectangular groove 51. A rectangular plate 53 is fixed on the upper end of the spring 52. The rectangular plate 53 is movably fitted with the inner surface of the rectangular groove 51. A movable rod 54 is fixed in the rectangular plate 53. The upper end of the movable rod 54 is flush with the inner surface of the lower template 2. When the rectangular plate 53 is fitted with the rectangular groove 51, the end of the movable rod 54 is flush with the inner surface of the lower template 2. The movable rod 54 movably penetrates the lower template 2. A notch 55 is opened at the lower end of the movable rod 54. A semicircular block 56 is fixed inside the notch 55. A round rod 57 is rotatably provided on the inner surface of the rectangular groove 51. A cam 58 is fixed on the outer surface of the round rod 57. The cam 58 is in rotatable contact with the semicircular block 56. A driving electric Machine 59, the output end of the driving motor 59 is provided with a connecting rod 591, and the other end of the connecting rod 591 is fixedly connected to one end of the round rod 57. The upper template 3 can be fitted with the lower template 2 by starting the driving cylinder 42, and the injection molding liquid is injected through the gate sleeve on the upper template 3. After waiting for the injection molding liquid to cool, the upper template 3 can be moved by driving the cylinder 42, and then the connecting rod 591 can be rotated by turning on the driving motor 59 to rotate the round rod 57, so that the cam 58 and the semicircular block 56 can be rotated and contacted, so that the rectangular plate 53 can be moved upward into the through groove 61, and the sleeve plate 63 can be limited to move the movable rod 54 upward, so that the injection molded part in the lower template 2 can be lifted up, and after taking out the injection molded part, the rectangular plate 53 can be returned to its original position by the force of the spring 52 after turning off the driving motor 59, so as to facilitate demoulding.

[0023] There are six springs 52 , and the springs 52 are distributed in an array between the rectangular groove 51 and the rectangular plate 53 .

[0024] By adopting the above technical solution, the resilience of the rectangular plate 53 can be increased by using the multiple springs 52 .

[0025] The cross-sectional shape of the rectangular groove 51 is "T"-shaped.

[0026] By adopting the above technical solution, it is convenient to limit the rectangular plate 53.

[0027] A slot for fitting the driving motor 59 is formed inside the base 1 .

[0028] The above technical solution is used to support the driving motor 59.

[0029] Embodiment 2: Figure 1 As shown, the positioning assembly 6 includes a through slot 61, which is provided on the side of the support column 11, a screw rod 62 is rotatably provided between the inner surface of the through slot 61 and the upper surface of the base 1, a sleeve plate 63 is threadedly sleeved on the outer surface of the screw rod 62, and the sleeve plate 63 is slidably fitted with the inner surface of the through slot 61, a square slot 64 is provided on the side of the base 1, a round rod 65 is fixedly provided at the lower end of the screw rod 62, the round rod 65 passes through the square slot 64, and a first gear 66 is fixedly sleeved on the outer surface of the round rod 65, a fixed shell 67 is fixedly provided on one side of the base 1, a second motor 68 is fixedly provided on the inner surface of the fixed shell 67, a second gear 69 is provided at the output end of the second motor 68, and the first gear 66 is meshed with the second gear 69, a positioning pointer 631 is fixedly provided on one side of the sleeve plate 63, the positioning pointer 631 is slidably fitted with the side surface of the support column 11, and a positioning scale 632 is fixedly provided on the side surface of the support column 11 for precise positioning. The second gear 69 can be rotated by starting the second motor 68, thereby driving the first gear 66 meshed with it to rotate, and the screw rod 62 can be rotated by the circular rod 65, so that the sleeve plate 63 can be moved upward, so that the position of the positioning pointer 631 can be adjusted, and the upward moving distance of the movable rod 54 can be determined by the positioning pointer 631 and the positioning scale 632, so that it can be adjusted according to needs to improve its practicality.

[0030] Working principle: When the utility model is in use, the upper template 3 and the lower template 2 can be fitted together by starting the driving cylinder 42, and the injection liquid is injected through the gate sleeve on the upper template 3. After waiting for the injection liquid to cool, the upper template 3 can be moved by driving the cylinder 42, and then the connecting rod 591 can be rotated by turning on the driving motor 59 to rotate the round rod 57, so that the cam 58 and the semicircular block 56 can be rotated and contacted, so that the rectangular plate 53 can be moved upward into the through groove 61, and the sleeve plate 63 can be used for limiting, so that the movable rod 54 can be moved upward, so as to lift the lower template 2 After the injection molded parts are taken out, the driving motor 59 is turned off and the rectangular plate 53 can be returned to its original position by the force of the spring 52, so that demoulding is convenient. The second gear 69 can be rotated by starting the second motor 68, thereby driving the first gear 66 meshing therewith to rotate, and the screw 62 can be rotated by the circular rod 65, so that the sleeve plate 63 can be moved upward, so that the position of the positioning pointer 631 can be adjusted, and the upward moving distance of the movable rod 54 can be determined by the positioning pointer 631 and the positioning scale 632, so that it can be adjusted according to needs to improve its practicality.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A mold automatic demoulding device, comprising a base (1), characterized in that: A support column (11) is fixedly provided on the upper surface of the base (1), a lower template (2) is fixedly provided on the upper surface of the support column (11), a support rod (4) is fixedly provided on the base (1), a top plate (41) is fixedly provided on the upper end of the support rod (4), a driving cylinder (42) is fixedly provided on the lower surface of the top plate (41), an upper template (3) is provided at the output end of the driving cylinder (42), the upper template (3) is in active contact with the lower template (2), a demoulding assembly (5) is connected to both the base (1) and the lower template (2), and a positioning assembly (6) is connected to the support column (11); The demoulding assembly (5) comprises a rectangular groove (51), wherein the rectangular groove (51) is provided on the upper surface of the base (1), a spring (52) is fixedly provided on the inner surface of the rectangular groove (51), a rectangular plate (53) is fixedly provided on the upper end of the spring (52), the rectangular plate (53) is movably fitted with the inner surface of the rectangular groove (51), a movable rod (54) is fixedly provided inside the rectangular plate (53), the movable rod (54) movably penetrates the lower template (2), and a notch (54) is provided on the lower end of the movable rod (54) 55), a semicircular block (56) is fixedly provided inside the notch (55), a round rod (57) is rotatably provided on the inner surface of the rectangular groove (51), a cam (58) is fixedly provided on the outer surface of the round rod (57), and the cam (58) is in rotational contact with the semicircular block (56), a driving motor (59) is fixedly provided inside the base (1), a connecting rod (591) is provided at the output end of the driving motor (59), and the other end of the connecting rod (591) is fixedly connected to one end of the round rod (57).

2. The automatic mold demoulding device according to claim 1, characterized in that: The positioning assembly (6) comprises a through groove (61), wherein the through groove (61) is provided on the side of the support column (11), a screw rod (62) is rotatably provided between the inner surface of the through groove (61) and the upper surface of the base (1), a sleeve plate (63) is threadedly sleeved on the outer surface of the screw rod (62), and the sleeve plate (63) is slidably fitted with the inner surface of the through groove (61), a square groove (64) is provided on the side of the base (1), a round rod (65) is fixedly provided at the lower end of the screw rod (62), the round rod (65) passes through the square groove (64), and a first gear (66) is fixedly sleeved on the outer surface of the round rod (65), a fixed shell (67) is fixedly provided on one side of the base (1), a second motor (68) is fixedly provided on the inner surface of the fixed shell (67), a second gear (69) is provided at the output end of the second motor (68), and the first gear (66) is meshed with the second gear (69).

3. The automatic mold demoulding device according to claim 1, characterized in that: There are six springs (52), and the springs (52) are arranged in an array and distributed between the rectangular groove (51) and the rectangular plate (53).

4. The automatic mold demoulding device according to claim 1, characterized in that: The cross-sectional shape of the rectangular groove (51) is "T"-shaped.

5. The automatic mold demoulding device according to claim 1, characterized in that: The base (1) is provided with a groove inside for matching with the driving motor (59).

6. The automatic mold demoulding device according to claim 1, characterized in that: The upper end of the movable rod (54) is flush with the inner surface of the lower template (2).

7. The automatic mold demoulding device according to claim 2, characterized in that: A positioning pointer (631) is fixedly provided on one side of the sleeve plate (63), and the positioning pointer (631) is slidably fitted with the side of the support column (11), and a positioning scale (632) is fixedly provided on the side of the support column (11).

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