A molding device and molding method for injection-molded glasses legs with pins

Abstract

The present invention relates to the technical field of injection molding of glasses legs, and specifically to a molding device and a molding method for injection molding glasses legs with pins, comprising a base, a steering mechanism, a clamping mechanism, a demoulding mechanism, a shearing mechanism, a sorting mechanism, and an automatic pin insertion mechanism, wherein the top outer wall of the base is fixedly connected with a lower injection mold, the inner part of the lower injection mold is movably connected with a pin insertion mold, the outer wall of the bracket one is fixedly connected with an injection molding telescopic rod, and the outer wall of the injection molding telescopic rod is fixedly connected with an upper injection mold. The present invention can link the shearing mechanism to shear and separate the connecting part from the glasses legs through the displacement of the injection molding telescopic rod in coordination with the steering mechanism, and link the sorting mechanism to separate the two glasses legs from the pin insertion mold, while the clamping mechanism and the automatic pin insertion mechanism cooperate with each other, and can automatically insert pins into the empty injection mold during the demoulding process, which is convenient for subsequent material loading, with a high overall degree of automation, fast production speed, and low cost.

Description

Technical Field

[0001] The invention relates to the technical field of injection molding of eyeglass legs, and in particular to a molding device and a molding method of injection molding eyeglass legs with an insertion pin. Background Art

[0002] Glasses play an increasingly important role in people's lives. In our daily lives, glasses play an increasingly important role for myopic people, and for non-myopic people, glasses are a kind of fashionable decoration. As an important component of glasses, the legs of glasses directly affect the service life of glasses. There are many kinds of glasses frames on the market, but the glasses frames combined with plastic and metal injection molding are deeply loved by consumers. They can make up for the defects of pure plastic materials with poor bending resistance and easy to break, and can also make up for the problem that metal materials are exposed to poor corrosion and oxidation resistance, which shortens the effective service life of glasses.

[0003] There are still some deficiencies in the prior art: 1. For horizontal injection molding machines, it is necessary to manually place the pin in the pin mold and then put it into the injection mold. After the injection molding, the pin mold and the molded glasses are taken out, the legs and the connecting part are cut off, the connecting part and the left and right legs are separated, and then the above steps are repeated. The whole process is not consistent enough and the degree of automation is low; 2. For injection molding methods with a high degree of automation, the metal is grasped by a robot to insert the pin, and the process needs to be completed step by step, which is consistent with the manual steps, except that the manual work is replaced by a robot. The degree of automation is high but the cost is also high. Therefore, a molding device and a molding method for injection-molded glasses legs with pins are proposed to solve the above-mentioned problems. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the background technology and to propose a molding device and a molding method for injection-molded glasses legs with insertion pins.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A molding device for injection-molded eyeglass legs with pins, comprising a base, a lower injection mold fixedly connected to the top outer wall of the base, a pin mold movably connected inside the lower injection mold, a bracket 1 fixedly connected to the top outer wall of the base, an injection-molded telescopic rod fixedly connected to the outer wall of the bracket 1, an upper injection mold fixedly connected to the outer wall of the injection-molded telescopic rod, and the upper injection mold located above the lower injection mold;

[0007] A steering mechanism, used to cooperate with the injection molding telescopic rod to realize rotation, so as to facilitate the movement of the pin mold, and the steering mechanism is installed on the base;

[0008] A clamping mechanism, used for clamping the pin mold, wherein the clamping mechanism is installed on the steering mechanism;

[0009] A demoulding mechanism, used to cooperate with the displacement of the upper injection mold to enable the pin mold to separate from the lower injection mold after injection molding, and the demoulding mechanism is installed on the lower injection mold;

[0010] A shearing mechanism, used to cooperate with the displacement of the injection mold to separate the injection molded glasses legs, and the shearing mechanism is installed on the base;

[0011] A classification mechanism, used to cooperate with the displacement of the upper injection mold to separate the injection-molded glasses leg from the pin mold, and the classification mechanism is installed on the base;

[0012] And an automatic pin insertion mechanism, which is used to cooperate with the clamping mechanism to insert the pin into the pin insertion mold, and the automatic pin insertion mechanism is installed on the base.

[0013] In the above-mentioned molding device of the injection-molded glasses leg with an insertion pin, two demolding mechanisms are provided, and the two demolding mechanisms are symmetrically distributed. The demolding mechanism includes a demolding rod, a limiting extrusion rod and two springs three. The demolding rod is slidably connected to the inner wall of the lower injection mold, and the two springs three are fixedly connected between the demolding rod and the lower injection mold. The limiting extrusion rod is fixedly connected to the upper injection mold.

[0014] In the above-mentioned molding device for injection-molded glasses legs with insertion pins, the steering mechanism includes a limit rotating column, a sliding rod and a connecting rod. The limit rotating column is connected to the base by a one-way bearing, the sliding rod is slidably connected to the limit rotating column, the sliding rod is fixedly connected to the connecting rod, and the connecting rod is fixedly connected to one of the limit extrusion rods.

[0015] In the above-mentioned molding device for injection-molded glasses legs with pins, the clamping mechanism includes a displacement telescopic rod, a second mounting seat and four clamping rods, the displacement telescopic rod is fixedly connected to the limiting rotation column, the second mounting seat is fixedly connected to the displacement telescopic rod, the clamping rods are symmetrically distributed in pairs, and the clamping rods are fixedly connected to the outer wall of the second mounting seat.

[0016] In the above-mentioned molding device for injection-molded glasses legs with pins, the shearing mechanism includes a bearing frame 2, a bracket 2, a downward pressure rack, a first gear, a fixed plate 1 and a knife seat, the bearing frame 2 is fixedly connected to the base, the bracket 2 is fixedly connected to the bearing frame 2, the downward pressure rack is slidably connected to the bracket 2, the outer wall of the downward pressure rack is meshed with the first gear, the first gear is rotatably connected to the bracket 2, the fixed plate 1 is fixedly connected to the downward pressure rack, the knife seat is slidably connected to the fixed plate 1, and the outer wall of the knife seat is fixedly connected with two blades.

[0017] In the above-mentioned molding device for injection-molded glasses legs with pins, the shearing mechanism also includes a sliding rack, a push plate, a support plate one, a gear three and a rack four, the sliding rack is slidably connected to the support frame two, the push plate is slidably connected to the sliding rack, the push plate is fixedly connected to the knife seat, the support plate one is fixedly connected to the support frame two, the gear three is meshed with the sliding rack, the gear three is rotatably connected to the support frame two, and the rack four is slidably connected to the support frame two.

[0018] In the above-mentioned molding device for injection-molded glasses legs with pins, the classification mechanism includes a bearing frame one, a bracket three, a connecting rod three, a rack three, a gear five and a cam, the bearing frame one is fixedly connected to the base, the bracket three is fixedly connected to the bearing frame one, the connecting rod three is fixedly connected to the upper injection mold, the connecting rod three is fixedly connected to the rack three, the gear five is rotatably connected to the bracket three through a set shaft, and the cam is fixedly connected to the gear five through a set shaft.

[0019] In the above-mentioned molding device for injection-molded glasses legs with pins, the outer wall of the connecting rod three is fixedly connected to the connecting rod two, the outer wall of the connecting rod two is fixedly connected to the rack one, the classification mechanism also includes an L-shaped pressure plate, a motor, a silicone roller, a ventilation cavity, an air bag, an air bag and two springs one, the L-shaped pressure plate is slidingly connected to the bracket three, the two springs one are fixedly connected between the L-shaped pressure plate and the bracket three, the motor is fixedly connected to the L-shaped pressure plate, the silicone roller is fixedly connected to the output shaft of the motor, the ventilation cavity is fixedly connected to the bearing frame one, the air bag is communicated with the ventilation cavity, and the air bag is fixedly connected to the ventilation cavity.

[0020] In the above-mentioned molding device for injection-molded glasses legs with insertion pins, the automatic pin insertion mechanism includes a support seat 1, a sliding seat, a storage bin, a special-shaped limiting plate, a pin pusher rod, two springs 4, two baffles and two springs 2. The support seat 1 is fixedly connected to the base, the sliding seat is slidably connected to the support seat 1, the two springs 4 are fixedly connected between the sliding seat and the support seat 1, the storage bin is fixedly connected to the sliding seat, the two baffles are arranged on both sides of the storage bin, the two baffles are fixedly connected to the sliding seat, the special-shaped limiting plate is fixedly connected to the sliding seat, the pin pusher rod is slidably connected to the storage bin, and the two springs 2 are respectively fixedly connected between the baffles and the pin pusher rod.

[0021] In the above-mentioned molding method of the injection-molded glasses leg with an insertion pin, the above-mentioned molding device of the injection-molded glasses leg with an insertion pin is applied, and the steps include:

[0022] S1. The injection telescopic rod drives the upper injection mold to slowly shrink, the limit extrusion rod moves up with the upper injection mold, the slide rod slides along the slide groove on the limit rotation column, the limit rotation column rotates 90 degrees, and the clamping rod rotates to the top of the pin mold injected on the lower injection mold;

[0023] S2, the injection molding telescopic rod continues to move upward, the protrusion of the displacement telescopic rod squeezes the demoulding rod, and the demoulding rod squeezes the pin mold, lifts up the pin mold, and completes demoulding;

[0024] S3, the clamping rod clamps the injection molded pin mold, the displacement telescopic rod extends, the sliding seat moves up along the support seat 1, the pin push rod is resisted by the spring 2, and the pin push rod pushes out a pair of metal pins at the bottom of the storage bin, completing the automatic pin insertion of the pin mold;

[0025] S4, the injection molding telescopic rod continues to move upward, the limit rotation column rotates 90 degrees, the displacement telescopic rod retracts for the first time, the bottom of the mounting seat 2 contacts the rack 4, driving the sliding rack to move, and the push plate drives the knife seat and the blade to move to the connection part and the glasses leg;

[0026] S5, the injection molding telescopic rod is moved to the top, the connecting rod 2 drives the first gear to rotate through the rack 1, and the rack is pressed down to drive the knife seat and the fixed plate to shear the connection between the pair of connecting parts and the two glasses legs, leaving the connecting parts in the bearing frame 2;

[0027] S6. When the displacement telescopic rod is retracted for the first time, the pin insertion mold that has just been inserted is placed in the lower injection mold by the clamping rod to complete the continuous loading;

[0028] S7, the injection molding telescopic rod moves downward, and the limit rotating column rotates ninety degrees. When the connecting rod three drives the rack three to engage with the gear five, the gear five drives the cam to rotate through the set shaft rod, so that the cam rotates to squeeze the L-shaped pressure plate, so that the L-shaped pressure plate fits with the bracket three, thereby driving the silicone roller to fit with the glasses leg, and at the same time, the air in the airbag is rushed into the airbag, and then the motor rotates to pull the two glasses legs out of the pin mold, and the two glasses legs fall on both sides of the support frame one respectively, completing the classification of the glasses legs.

[0029] Compared with the prior art, the molding device and molding method of the injection-molded glasses leg with a pin provided by the present invention have the following advantages:

[0030] 1. The clamping rod clamps the injection molded pin mold, the displacement telescopic rod extends, the sliding seat moves up along the support seat 1, the pin push rod is resisted by the spring 2, and the pin push rod pushes out a pair of metal pins at the bottom of the storage bin, completing the automatic pin insertion of the pin mold;

[0031] 2. The injection molding telescopic rod continues to move upward, the limit rotation column rotates 90 degrees, the displacement telescopic rod retracts for the first time, the bottom of the mounting seat 2 contacts the rack 4, driving the sliding rack to move, and the push plate drives the knife seat and the blade to move to the connection between the connecting part and the glasses leg, the injection molding telescopic rod moves to the top, the connecting rod 2 drives the first gear to rotate through the rack 1, and the rack is pressed down to drive the knife seat and the fixed plate to shear the connection between the connecting part and the two glasses legs, leaving the connecting part in the bearing frame 2;

[0032] 3. The injection molding telescopic rod moves downward, and the limit rotating column rotates 90 degrees. When the connecting rod 3 drives the rack 3 to mesh with the gear 5, the gear 5 drives the cam to rotate through the set shaft rod, so that the cam rotates to squeeze the L-shaped pressure plate, so that the L-shaped pressure plate fits with the bracket 3, thereby driving the silicone roller to fit with the glasses leg, and at the same time, the air in the airbag is rushed into the airbag, and then the motor rotates to pull the two glasses legs out of the pin mold, and the two glasses legs fall on the two sides of the bearing frame 1 respectively, completing the classification of the glasses legs;

[0033] To sum up, the present invention cooperates with the displacement of the injection molding telescopic rod through the steering mechanism, can link the shearing mechanism to shear and separate the connecting part and the glasses leg, and link the classification mechanism to separate the two glasses legs from the pin insertion mold. At the same time, the clamping mechanism and the automatic pin insertion mechanism cooperate with each other, and can automatically insert the pin into the empty injection mold during the demolding process, which is convenient for subsequent loading, with a high overall degree of automation, fast production speed and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0035] Figure 2 The present invention Figure 1 A magnified schematic diagram of the structure at center A;

[0036] Figure 3 The present invention Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0037] Figure 4 The present invention Figure 1 A magnified schematic diagram of the structure at C in the middle;

[0038] Figure 5 It is a structural schematic diagram of the lower injection mold of the present invention;

[0039] Figure 6 It is a schematic diagram of the structure inside the lower injection mold of the present invention;

[0040] Figure 7 It is a schematic diagram of the structure after removing the classification mechanism in the present invention;

[0041] Figure 8 The present invention Figure 7 A magnified schematic diagram of the structure at D in the middle;

[0042] Fig. 9 The present invention Figure 7 A magnified schematic diagram of the structure at E in the middle;

[0043] Fig.10 It is a schematic diagram of the shape structure of the position-limiting extrusion rod of the present invention;

[0044] Fig.11 It is a structural schematic diagram of the position-limiting rotating column of the present invention.

[0045] In the figure: 1, base; 2, support seat 1; 3, lower injection mold; 4, limit extrusion rod; 5, upper injection mold; 6, bracket 1; 7, injection telescopic rod; 8, first gear; 9, lower pressure rack; 10, bracket 2; 11, bracket 3; 12, bearing frame 1; 13, limit rotation column; 14, knife seat; 15, blade; 16, fixed plate 1; 17, rack 1; 18, support plate 1; 19, connecting rod 2; 20, sliding rack; 21, push plate; 22, cam; 23, L-shaped pressure plate; 24, motor; 25, airbag; 26, airbag; 27, ventilation cavity; 28, silicone roller; 29, spring 1; 3 0. Special-shaped limit plate; 31. Spring 2; 32. Push pin rod; 33. Pin insertion mold; 34. Spring 3; 35. Demolding rod; 36. Bearing frame 2; 37. Connecting rod 3; 38. Rack 3; 39. Mounting seat 2; 40. Baffle; 41. Clamping rod; 42. Sliding seat; 43. Spring 4; 44. Displacement telescopic rod; 45. Sliding rod 1; 46. Connecting rod 1; 47. Gear 3; 48. Rack 4; 49. Storage bin; 50. Gear 5; 101. Shearing mechanism; 202. Classification mechanism; 303. Automatic pin insertion mechanism; 404. Demolding mechanism; 505. Steering mechanism; 606. Clamping mechanism. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0047] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0048] Reference Figure 1-Figure 11A molding device for injection-molded glasses legs with pins, comprising a base 1, a lower injection mold 3 is fixedly connected to the top outer wall of the base 1, a pin mold 33 is movably connected inside the lower injection mold 3, a bracket 6 is fixedly connected to the top outer wall of the base 1, an injection molding telescopic rod 7 is fixedly connected to the outer wall of the bracket 6, an upper injection mold 5 is fixedly connected to the outer wall of the injection molding telescopic rod 7, and the upper injection mold 5 is located above the lower injection mold 3; a steering mechanism 505 is used to cooperate with the injection molding telescopic rod 7 to realize rotation, so as to facilitate the movement of the pin mold 33, and the steering mechanism 505 is installed on the base 1; a clamping mechanism 606 is used to clamp the pin mold 33, and the clamping mechanism 606 is installed on the steering mechanism 505; a demolding mechanism 404 is used to cooperate with the displacement of the upper injection mold 5 so that the pin mold 33 is separated from the lower injection mold 3 after injection molding, and demolding Mechanism 404 is installed on the lower injection mold 3; the shearing mechanism 101 is used to cooperate with the displacement of the upper injection mold 5 to separate the injection molded glasses legs, and the shearing mechanism 101 is installed on the base 1; the classification mechanism 202 is used to cooperate with the displacement of the upper injection mold 5 to separate the injection molded glasses legs from the pin mold 33, and the classification mechanism 202 is installed on the base 1; and the automatic pin insertion mechanism 303 is used to cooperate with the clamping mechanism 606 to insert the pin mold 33, and the automatic pin insertion mechanism 303 is installed on the base 1, and the steering mechanism 505 includes a limit rotation column 13, a sliding rod 45 and a connecting rod 46, the limit rotation column 13 and the base 1 are connected by a one-way bearing, the sliding rod 45 is slidably connected to the limit rotation column 13, the sliding rod 45 is fixedly connected to the connecting rod 46, and the connecting rod 46 is fixedly connected to one of the limit extrusion rods 4.

[0049] Among them, two demolding mechanisms 404 are provided, and the two demolding mechanisms 404 are symmetrically distributed. The demolding mechanisms 404 include a demolding rod 35, a limiting extrusion rod 4 and two springs three 34. The demolding rod 35 is slidably connected to the inner wall of the lower injection mold 3, the two springs three 34 are fixedly connected between the demolding rod 35 and the lower injection mold 3, and the limiting extrusion rod 4 is fixedly connected to the upper injection mold 5.

[0050] In this embodiment, the injection molding telescopic rod 7 drives the upper injection mold 5 to slowly shrink. As the upper injection mold 5 moves upward, the upper injection mold 5 is separated from the lower injection mold 3, and the limiting extrusion rod 4 moves upward with the upper injection mold 5. The connecting rod 1 46 drives the sliding rod 1 45 to move upward, and the sliding rod 1 45 slides along the sliding groove on the limiting rotation column 13, so that the limiting rotation column 13 rotates ninety degrees, so that the clamping rod 41 rotates to the top of the pin mold 33 injected on the lower injection mold 3, and then the displacement telescopic rod 44 is extended for the first time, and the injection molding telescopic rod 7 continues to move upward to squeeze the protrusion of the displacement telescopic rod 44 to squeeze the demolding rod 35. At this time, since the sliding groove on the limiting rotation column 13 is vertical, the limiting rotation column 13 does not rotate, so that the demolding rod 35 squeezes the pin mold 33, thereby lifting the pin mold 33 to complete the demolding.

[0051] Among them, the clamping mechanism 606 includes a displacement telescopic rod 44, a mounting seat 2 39 and four clamping rods 41. The displacement telescopic rod 44 is fixedly connected to the limiting rotation column 13, the mounting seat 2 39 is fixedly connected to the displacement telescopic rod 44, the clamping rods 41 are symmetrically distributed in pairs, and the clamping rods 41 are fixedly connected to the outer wall of the mounting seat 2 39.

[0052] In this embodiment, the clamping rod 41 then clamps the injection-molded pin mold 33 , and the extension of the displacement telescopic rod 44 allows the clamping rod 41 to clamp the upper half of the pin mold 33 , that is, the upper surface of the clamping rod 41 is flush with the pin mold 33 .

[0053] Among them, the automatic pin insertion mechanism 303 includes a support seat 2, a sliding seat 42, a storage bin 49, a special-shaped limiting plate 30, a pin pusher rod 32, two springs 43, two baffles 40 and two springs 2 31. The support seat 2 is fixedly connected to the base 1, the sliding seat 42 is slidably connected to the support seat 2, the two springs 43 are fixedly connected between the sliding seat 42 and the support seat 2, the storage bin 49 is fixedly connected to the sliding seat 42, the two baffles 40 are arranged on both sides of the storage bin 49, the two baffles 40 are fixedly connected to the sliding seat 42, the special-shaped limiting plate 30 is fixedly connected to the sliding seat 42, the pin pusher rod 32 is slidably connected to the storage bin 49, and the two springs 2 31 are respectively fixedly connected between the baffle 40 and the pin pusher rod 32.

[0054] In the present embodiment, when the telescopic rod 44 is extended, the other two clamping rods 41 rotate with the empty pin mold 33 to the bottom of the baffle 40. When the telescopic rod 44 is extended, it drives the entire sliding seat 42 to move up along the support seat 2, so that the push pin rod 32 is resisted by the spring 2 31, so that the push pin rod 32 pushes out a pair of metal pins at the bottom of the storage bin 49, completing the automatic insertion of the pin mold 33. The upper clamping rod 41 takes out the injection-molded pin mold 33, and the next pin mold 33 is automatically inserted.

[0055] The shearing mechanism 101 includes a bearing frame 2 36, a bracket 2 10, a pressing rack 9, a first gear 8, a fixing plate 16 and a knife seat 14. The bearing frame 2 36 is fixedly connected to the base 1, the bracket 2 10 is fixedly connected to the bearing frame 2 36, the pressing rack 9 is slidably connected to the bracket 2 10, the outer wall of the pressing rack 9 is meshed with the first gear 8, the first gear 8 is rotatably connected to the bracket 2 10, the fixing plate 16 is fixedly connected to the pressing rack 9, the knife seat 14 is slidably connected to the fixing plate 16, and the outer wall of the knife seat 14 is meshed with the first gear 8. Two blades 15 are fixedly connected to the wall, and the shearing mechanism 101 also includes a sliding rack 20, a push plate 21, a support plate 18, a gear three 47 and a rack four 48. The sliding rack 20 is slidably connected to the support frame 2 36, the push plate 21 is slidably connected to the sliding rack 20, the push plate 21 is fixedly connected to the knife seat 14, the support plate 18 is fixedly connected to the support frame 2 36, the gear three 47 is meshed with the sliding rack 20, the gear three 47 is rotatably connected to the support frame 2 36, and the rack four 48 is slidably connected to the support frame 2 36.

[0056] After that, the rim 14 is moved back to the left by the support frame 18, and the rim 14 is moved back to the right by the support frame 18. Then, the rim 14 is moved back to the right by the support frame 18, and the rim 14 is moved back to the right by the support frame 18.

[0057] Among them, the classification mechanism 202 includes a bearing frame 12, a bracket 11, a connecting rod 37, a rack 38, a gear 50 and a cam 22. The bearing frame 12 is fixedly connected to the base 1, the bracket 11 is fixedly connected to the bearing frame 12, the connecting rod 3 37 is fixedly connected to the upper injection mold 5, the connecting rod 3 37 is fixedly connected to the rack 3 38, the gear 50 is rotatably connected to the bracket 11 through a set shaft, the cam 22 is fixedly connected to the gear 50 through a set shaft, the outer wall of the connecting rod 3 37 is fixedly connected to the connecting rod 2 19, and the outer wall of the connecting rod 2 19 The wall is fixedly connected with a rack 17, and the classification mechanism 202 also includes an L-shaped pressure plate 23, a motor 24, a silicone roller 28, a ventilation cavity 27, an air bag 26, an air bag 25 and two springs 29. The L-shaped pressure plate 23 is slidingly connected to the bracket three 11, and the two springs 29 are fixedly connected between the L-shaped pressure plate 23 and the bracket three 11. The motor 24 is fixedly connected to the L-shaped pressure plate 23, the silicone roller 28 is fixedly connected to the output shaft of the motor 24, the ventilation cavity 27 is fixedly connected to the bearing frame 12, the air bag 25 is connected to the ventilation cavity 27, and the air bag 26 is fixedly connected to the ventilation cavity 27.

[0058] In this embodiment, the injection molding telescopic rod 7 is then moved downward, so that the limiting rotating column 13 rotates ninety degrees, and the pin mold 33 with the eyeglass leg moves to between the air bag 26 and the silicone roller 28. When the connecting rod three 37 drives the rack three 38 to engage with the gear five 50, the gear five 50 drives the cam 22 to rotate through the set shaft rod, so that the cam 22 rotates to a vertical state to squeeze the L-shaped pressure plate 23, so that the L-shaped pressure plate 23 fits with the bracket three 11, thereby driving the silicone roller 28 to fit with the eyeglass leg, and at the same time, the air in the airbag 25 is rushed into the airbag 26, so that the airbag 26 and the silicone roller 28 wrap the eyeglass leg. Then the motor 24 rotates to pull the two eyeglass legs out of the pin mold 33, and the two eyeglass legs fall on both sides of the support frame one 12 respectively, completing the classification of the eyeglass legs.

[0059] A method for molding an injection-molded eyeglass leg with an insertion pin, the method for molding an injection-molded eyeglass leg with an insertion pin using a molding device for the injection-molded eyeglass leg with an insertion pin, comprising the following steps:

[0060] S1, the injection telescopic rod 7 drives the upper injection mold 5 to slowly shrink, the limit extrusion rod 4 moves up with the upper injection mold 5, the slide bar 45 slides along the slide groove on the limit rotation column 13, the limit rotation column 13 rotates 90 degrees, and the clamping rod 41 rotates to the top of the pin mold 33 injected on the lower injection mold 3;

[0061] S2, the injection molding telescopic rod 7 continues to move upward, the protrusion of the displacement telescopic rod 44 squeezes the demoulding rod 35, and the demoulding rod 35 squeezes the pin mold 33, lifts up the pin mold 33, and completes demoulding;

[0062] S3, the clamping rod 41 clamps the injection-molded pin mold 33, the displacement telescopic rod 44 extends, the sliding seat 42 moves up along the support seat 1 2, the pin push rod 32 is resisted by the spring 2 31, and the pin push rod 32 pushes out a pair of metal pins at the bottom of the storage bin 49, completing the automatic pin insertion of the pin mold 33;

[0063] S4, the injection molding telescopic rod 7 continues to move upward, the limit rotation column 13 rotates 90 degrees, the displacement telescopic rod 44 retracts for the first time, the bottom of the mounting seat 2 39 contacts the rack 4 48, driving the sliding rack 20 to move, and the push plate 21 drives the knife seat 14 and the blade 15 to move to the connection part and the glasses leg;

[0064] S5, the injection molding telescopic rod 7 is moved to the top, the connecting rod 2 19 drives the first gear 8 to rotate through the rack 1 17, and the rack 9 is pressed down to drive the knife seat 14 and the fixing plate 1 16 to shear the connection between the connecting part and the two glasses legs, leaving the connecting part in the bearing frame 2 36;

[0065] S6, while the displacement telescopic rod 44 is retracted for the first time, the pin insertion mold 33 that has just been inserted is placed in the lower injection mold 3 by the clamping rod 41, completing the continuous loading;

[0066] S7, the injection molding telescopic rod 7 moves downward, and the limit rotating column 13 rotates ninety degrees. When the connecting rod three 37 drives the rack three 38 to engage with the gear five 50, the gear five 50 drives the cam 22 to rotate through the set shaft rod, so that the cam 22 rotates to squeeze the L-shaped pressure plate 23, so that the L-shaped pressure plate 23 fits with the bracket three 11, thereby driving the silicone roller 28 to fit with the glasses leg, and at the same time, the air in the airbag 25 is rushed into the airbag 26, and then the motor 24 rotates to pull the two glasses legs out of the pin mold 33, and the two glasses legs fall on both sides of the support frame one 12 respectively, completing the classification of the glasses legs.

[0067] The specific working principle and use method of the present invention are explained in detail below: When in use, the injection molding telescopic rod 7 drives the upper injection mold 5 to slowly shrink. As the upper injection mold 5 moves upward, the upper injection mold 5 is separated from the lower injection mold 3. The limiting extrusion rod 4 moves upward with the upper injection mold 5, and the connecting rod 146 drives the sliding rod 145 to move upward. The sliding rod 145 slides along the slide groove on the limiting rotation column 13, so that the limiting rotation column 13 rotates 90 degrees, so that the clamping rod 41 rotates to the top of the pin mold 33 injected on the lower injection mold 3, and then the position The telescopic rod 44 is extended for the first time, and the injection molding telescopic rod 7 continues to move upward to squeeze the protrusion of the telescopic rod 44 to squeeze the demolding rod 35. At this time, since the slide groove on the limit rotation column 13 is vertical, the limit rotation column 13 does not rotate, so that the demolding rod 35 squeezes the pin mold 33, thereby lifting the pin mold 33 to complete the demolding, and then the clamping rod 41 clamps the injection molded pin mold 33. The extension of the telescopic rod 44 makes the clamping rod 41 clamp the upper half of the pin mold 33, that is, the upper surface of the clamping rod 41 is flush with the pin mold 33.

[0068] When the displacement telescopic rod 44 is extended, the other two clamping rods 41 rotate with the empty pin mold 33 to the bottom of the baffle 40. When the displacement telescopic rod 44 is extended, it drives the entire sliding seat 42 to move up along the support seat 2, so that the push pin rod 32 is resisted by the spring 2 31, so that the push pin rod 32 pushes out a pair of metal pins at the bottom of the storage bin 49, completing the automatic insertion of the pin mold 33. The upper clamping rod 41 takes out the injection-molded pin mold 33, and the next pin mold 33 is automatically inserted.

[0069] Then the injection molding telescopic rod 7 continues to move upward, at this time the limit rotating column 13 rotates ninety degrees, the molded glasses legs and the connecting part are located above the support plate 18, then the displacement telescopic rod 44 retracts for the first time, so that the bottom of the mounting seat 2 39 contacts the rack 4 48, thereby driving the gear 3 47 to rotate through the rack 4 48, thereby driving the sliding rack 20 to move, and driving the knife seat 14 and the blade 15 to move through the push plate 21, and move to the connection between the connecting part and the glasses legs, then the injection molding telescopic rod 7 moves to the top, so that the connecting rod 2 19 drives the first gear 8 to rotate through the rack 17, so that the first gear 8 drives the pressing rack 9 to move downward, so that the pressing rack 9 drives the knife seat 14 and the fixed plate 16 to shear the connection between the connecting part and the two glasses legs, leaving the connecting part in the bearing frame 2 36, and at the same time as the displacement telescopic rod 44 retracts for the first time, the pin mold 33 that has just been inserted is placed in the lower injection mold 3 by the clamping rod 41 to complete continuous loading.

[0070] Then the injection molding telescopic rod 7 moves downward, so that the limit rotating column 13 rotates ninety degrees, and the pin mold 33 with the eyeglass leg moves between the air bag 26 and the silicone roller 28. When the connecting rod three 37 drives the rack three 38 to engage with the gear five 50, the gear five 50 drives the cam 22 to rotate through the set shaft rod, so that the cam 22 rotates to a vertical state to squeeze the L-shaped pressure plate 23, so that the L-shaped pressure plate 23 fits with the bracket three 11, thereby driving the silicone roller 28 to fit with the eyeglass leg, and at the same time, the air in the airbag 25 is rushed into the airbag 26, so that the airbag 26 and the silicone roller 28 wrap the eyeglass leg. Then the motor 24 rotates to pull the two eyeglass legs out of the pin mold 33, and the two eyeglass legs fall on both sides of the support frame one 12 respectively, completing the classification of the eyeglass legs.

[0071] Subsequently, the clamping rod 41 places the pin mold 33 on the bearing frame 12, the displacement telescopic rod 44 is extended for the second time, and the injection molding telescopic rod 7 continues to move downward, so that the limit rotation column 13 rotates ninety degrees. At this time, the clamping rod 41 is located above the baffle 40, and when the next group of clamping rods 41 moves to above the pin mold 33 on the bearing frame 12, the displacement telescopic rod 44 retracts for the second time, so that the clamping rod 41 clamps the empty pin mold 33. The entire process of eyeglass leg pin insertion, injection molding, demolding, shearing classification and loading can be completed by displacement of the injection molding telescopic rod 7 and the upper injection mold 5, with a high degree of automation and a fast production speed.

[0072] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0073] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A molding device for injection-molded glasses legs with pins, characterized in that: include: A base (1), wherein the top outer wall of the base (1) is fixedly connected to a lower injection mold (3), the interior of the lower injection mold (3) is movably connected to a pin mold (33), the top outer wall of the base (1) is fixedly connected to a bracket 1 (6), the outer wall of the bracket 1 (6) is fixedly connected to an injection molding telescopic rod (7), the outer wall of the injection molding telescopic rod (7) is fixedly connected to an upper injection mold (5), and the upper injection mold (5) is located above the lower injection mold (3); A steering mechanism (505) is used to cooperate with the injection molding telescopic rod (7) to achieve rotation, thereby facilitating the movement of the pin mold (33), and the steering mechanism (505) is installed on the base (1); A clamping mechanism (606) for clamping the pin mold (33), the clamping mechanism (606) being mounted on the steering mechanism (505); A demoulding mechanism (404) is used to cooperate with the displacement of the upper injection mold (5) so that the pin mold (33) is separated from the lower injection mold (3) after injection molding, and the demoulding mechanism (404) is installed on the lower injection mold (3); A shearing mechanism (101) is used to cooperate with the displacement of the upper injection mold (5) to separate the injection molded glasses legs, and the shearing mechanism (101) is installed on the base (1); A classification mechanism (202) is used to cooperate with the displacement of the upper injection mold (5) to separate the injection molded glasses leg from the pin insertion mold (33), and the classification mechanism (202) is installed on the base (1); and an automatic pin insertion mechanism (303) for inserting the pin into the pin insertion mold (33) in cooperation with the clamping mechanism (606), the automatic pin insertion mechanism (303) being mounted on the base (1); The shearing mechanism (101) comprises a bearing frame (36), a bracket (10), a pressing rack (9), a first gear (8), a fixing plate (16) and a knife seat (14); the bearing frame (36) is fixedly connected to the base (1); the bracket (10) is fixedly connected to the bearing frame (36); the pressing rack (9) is slidably connected to the bracket (10); the outer wall of the pressing rack (9) is meshed with the first gear (8); the first gear (8) is rotatably connected to the bracket (10); the fixing plate (16) is fixedly connected to the pressing rack (9); the knife seat (14) is slidably connected to the fixing plate (16); and the outer wall of the knife seat (14) is fixedly connected with two blades (15); The shearing mechanism (101) further comprises a sliding rack (20), a push plate (21), a support plate one (18), a gear three (47) and a gear four (48), wherein the sliding rack (20) is slidably connected to the support frame two (36), the push plate (21) is slidably connected to the sliding rack (20), the push plate (21) is fixedly connected to the knife seat (14), the support plate one (18) is fixedly connected to the support frame two (36), the gear three (47) is meshed with the sliding rack (20), the gear three (47) is rotatably connected to the support frame two (36), and the gear four (48) is slidably connected to the support frame two (36); The classification mechanism (202) comprises a bearing frame 1 (12), a bracket 3 (11), a connecting rod 3 (37), a rack 3 (38), a gear 5 (50) and a cam (22), wherein the bearing frame 1 (12) is fixedly connected to the base (1), the bracket 3 (11) is fixedly connected to the bearing frame 1 (12), the connecting rod 3 (37) is fixedly connected to the upper injection mold (5), the connecting rod 3 (37) is fixedly connected to the rack 3 (38), the gear 5 (50) is rotatably connected to the bracket 3 (11) via a shaft, and the cam (22) is fixedly connected to the gear 5 (50) via a shaft; The outer wall of the connecting rod three (37) is fixedly connected to the connecting rod two (19), and the outer wall of the connecting rod two (19) is fixedly connected to the rack one (17). The classification mechanism (202) further includes an L-shaped pressing plate (23), a motor (24), a silicone roller (28), a ventilation cavity (27), an air bag (26), an air bag (25) and two springs one (29). The L-shaped pressing plate (23) is slidably connected to the bracket three (11), and the two springs one (29) are fixedly connected between the L-shaped pressing plate (23) and the bracket three (11). The motor (24) is fixedly connected to the L-shaped pressing plate (23), the silicone roller (28) is fixedly connected to the output shaft of the motor (24), the ventilation cavity (27) is fixedly connected to the bearing frame one (12), the air bag (25) is connected to the ventilation cavity (27), and the air bag (26) is fixedly connected to the ventilation cavity (27); The automatic pin insertion mechanism (303) comprises a support seat (2), a sliding seat (42), a storage bin (49), a special-shaped limiting plate (30), a pin push rod (32), two springs (43), two baffles (40) and two springs (31). The support seat (2) is fixedly connected to the base (1), the sliding seat (42) is slidably connected to the support seat (2), the two springs (43) are fixedly connected between the sliding seat (42) and the support seat (2), the storage bin (49) is fixedly connected to the sliding seat (42), the two baffles (40) are arranged on both sides of the storage bin (49), the two baffles (40) are fixedly connected to the sliding seat (42), the special-shaped limiting plate (30) is fixedly connected to the sliding seat (42), the pin push rod (32) is slidably connected to the storage bin (49), and the two springs (31) are respectively fixedly connected between the baffles (40) and the pin push rod (32).

2. A molding device for injection-molded glasses legs with pins according to claim 1, characterized in that: Two demoulding mechanisms (404) are provided, and the two demoulding mechanisms (404) are symmetrically distributed. The demoulding mechanisms (404) include a demoulding rod (35), a limiting extrusion rod (4) and two spring threes (34). The demoulding rod (35) is slidably connected to the inner wall of the lower injection mold (3), the two spring threes (34) are fixedly connected between the demoulding rod (35) and the lower injection mold (3), and the limiting extrusion rod (4) is fixedly connected to the upper injection mold (5).

3. A molding device for injection-molded glasses legs with pins according to claim 2, characterized in that: The steering mechanism (505) comprises a limit rotation column (13), a sliding rod (45) and a connecting rod (46); the limit rotation column (13) is connected to the base (1) via a one-way bearing; the sliding rod (45) is slidably connected to the limit rotation column (13); the sliding rod (45) is fixedly connected to the connecting rod (46); and the connecting rod (46) is fixedly connected to one of the limit extrusion rods (4).

4. A molding device for injection-molded glasses legs with pins according to claim 3, characterized in that: The clamping mechanism (606) comprises a displacement telescopic rod (44), a second mounting seat (39) and four clamping rods (41); the displacement telescopic rod (44) is fixedly connected to the limit rotation column (13); the second mounting seat (39) is fixedly connected to the displacement telescopic rod (44); the clamping rods (41) are symmetrically distributed in pairs; and the clamping rods (41) are fixedly connected to the outer wall of the second mounting seat (39).

5. A method for molding an injection-molded glasses leg with a pin, characterized in that: The molding device of the injection-molded glasses leg with a pin as claimed in claim 4 is applied, comprising the following steps: S1, the injection telescopic rod (7) drives the upper injection mold (5) to slowly shrink, the limit extrusion rod (4) moves upward along with the upper injection mold (5), the slide rod (45) slides along the slide groove on the limit rotation column (13), the limit rotation column (13) rotates ninety degrees, and the clamping rod (41) rotates to the top of the pin mold (33) that has been injected on the lower injection mold (3); S2, the injection molding telescopic rod (7) continues to move upward, the protrusion of the displacement telescopic rod (44) squeezes the demoulding rod (35), and the demoulding rod (35) squeezes the pin mold (33), lifts up the pin mold (33), and completes demoulding; S3, the clamping rod (41) clamps the injection-molded pin mold (33), the displacement telescopic rod (44) extends, the sliding seat (42) moves upward along the support seat 1 (2), the pin pushing rod (32) is resisted by the spring 2 (31), and the pin pushing rod (32) pushes out a pair of metal pins at the bottom of the storage bin (49), thereby completing the automatic pin insertion of the pin mold (33); S4, the injection-molded telescopic rod (7) continues to move upward, the limit rotation column (13) rotates 90 degrees, the displacement telescopic rod (44) retracts for the first time, the bottom of the second mounting seat (39) contacts the fourth rack (48), driving the sliding rack (20) to move, and the push plate (21) thereby drives the knife seat (14) and the blade (15) to move to the connection portion and the glasses leg; S5, the injection-molded telescopic rod (7) is moved to the uppermost position, the second connecting rod (19) drives the first gear (8) to rotate via the first rack (17), and the rack (9) is pressed downward to drive the knife seat (14) and the first fixing plate (16) to shear the connection between the connecting portion and the two glasses legs, leaving the connecting portion in the second bearing frame (36); S6, while the displacement telescopic rod (44) is retracted for the first time, the pin insertion mold (33) that has just been inserted is placed in the lower injection mold (3) by the clamping rod (41), completing continuous material loading; S7, the injection-molded telescopic rod (7) moves downward, and the limit rotation column (13) rotates ninety degrees. When the connecting rod three (37) drives the rack three (38) to mesh with the gear five (50), the gear five (50) drives the cam (22) to rotate through the shaft rod, so that the cam (22) rotates to squeeze the L-shaped pressure plate (23), so that the L-shaped pressure plate (23) and the bracket three (11) fit together, thereby driving the silicone roller (28) to fit the glasses leg, and at the same time, the air in the air bag (25) is rushed into the air bag (26), and then the motor (24) rotates to pull the two glasses legs out of the pin insertion mold (33), and the two glasses legs fall on the two sides of the support frame one (12) respectively, completing the classification of the glasses legs.

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