Integrated frame forming die with ejection mechanism

Abstract

The utility model relates to an integrated frame forming die with an ejection mechanism, in particular to the technical field of bicycle frame forming dies. The mold comprises an upper mold, a lower mold, supporting legs, an anti-skid pad, a positioning column, a fixing cap and an ejection mechanism, the upper mold is attached to the top of the lower mold, the supporting legs are connected to the bottom of the lower mold, the anti-skid pad is arranged at the bottoms of the supporting legs, the positioning column penetrates through the upper mold and the lower mold, and the fixing cap is arranged on the upper mold. The outer wall of the positioning column is in threaded connection with the fixing cap, a mold groove is formed in the middle of the upper surface of the lower mold, a mounting groove is formed in the bottom side of the mold groove, and the ejection mechanism capable of ejecting a frame out of the mold groove is mounted in the mounting groove. And by arranging the telescopic rod, a guiding effect can be achieved when the inverted-U-shaped rod ascends, so that stable ejection of the ejector rod is guaranteed, and damage to the formed frame is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle frame forming molds, in particular to an integrated frame forming mold with an ejection mechanism. Background Art

[0002] Traditional bicycle frame manufacturing usually uses welding or bolting to combine multiple pipes into one. This method not only has low production efficiency, but also the welding points are prone to become structural weaknesses. In order to improve production efficiency and the overall strength of the frame, one-piece molding technology came into being.

[0003] The existing one-piece molding mold does not have an ejection mechanism, which makes demoulding difficult or fails to achieve stable ejection during the ejection process after molding, which easily causes damage to the molded parts. Utility Model Content

[0004] (1) Technical solution

[0005] In order to solve the above technical problems, the utility model provides an integrated frame forming mold with an ejection mechanism, including an upper mold, a lower mold, a support leg, an anti-slip pad, a positioning column, a fixing cap, and an ejection mechanism. The top of the lower mold is attached to the upper mold, the bottom of the lower mold is connected to the support leg, the bottom of the support leg is provided with the anti-slip pad, the positioning column passes through the upper mold and the lower mold, the fixing cap is threadedly connected on the outer wall of the positioning column, a mold groove is provided in the middle of the upper surface of the lower mold, the bottom side of the mold groove is provided with an installation groove, and the installation groove is installed with the ejection mechanism capable of ejecting the frame out of the mold groove.

[0006] Preferably, a gasket is sleeved on the positioning column between the fixing cap and the top of the upper mold.

[0007] Preferably, the ejection mechanism comprises two side plates, two screws, a first pulley, a second pulley, an inverted U-shaped rod, a connecting rod, a fixed rod, and a telescopic rod, the side plate being vertically fixed between the top inner wall and the bottom inner wall of the mounting groove, and two screws are symmetrically and rotatably installed between the top inner wall and the bottom inner wall of the mounting groove between the two side plates, one end of one of the screws passes through the lower mold and is fixedly connected to the first pulley, one end of the other screw passes through the lower mold and is fixedly connected to the second pulley, the first pulley and the second pulley are connected by a belt, a moving block is provided on the screw, one side of the moving block is slidably connected to the side wall of the side plate, and the other side is connected to the side wall of the inverted U-shaped rod, and a ejector rod capable of passing through the mold groove and the mounting groove is provided on the top of the inverted U-shaped rod.

[0008] Preferably, a moving groove for slidingly connecting with one side of the moving block is provided on the side wall of the side plate in the vertical direction.

[0009] Preferably, a fixing rod is provided on the inner wall of the bottom of the installation groove at a position opposite to the two vertical arms of the inverted U-shaped rod, and a telescopic rod is correspondingly connected between the two vertical arm ends of the inverted U-shaped rod and the upper ends of the two fixing rods.

[0010] Preferably, the first pulley is driven by a driving motor.

[0011] (2) Beneficial effects

[0012] The utility model provides an integrated frame forming die with an ejection mechanism, which has the following beneficial effects compared with the prior art:

[0013] 1. The ejection mechanism is provided to facilitate demoulding of the frame after molding, making demoulding easier.

[0014] 2. Telescopic rods are correspondingly connected between the two vertical arm ends of the inverted U-shaped rod and the upper ends of the two fixed rods. By setting the telescopic rods, a guiding role can be played when the inverted U-shaped rod rises, thereby ensuring that the ejector rod is stably ejected and avoiding damage to the frame after forming.

[0015] 3. A moving groove for slidingly connecting with one side of the moving block is provided on the side wall of the side plate in the vertical direction. With this arrangement, the moving block is more stable during the movement process, and the stability of the inverted U-shaped rod when it rises is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of the upper mold and the lower mold of the utility model when they are fixed.

[0017] Figure 2 It is a cross-sectional view of the lower mold of the utility model.

[0018] The accompanying drawings are marked as: 1-upper mold, 2-lower mold, 21-mold groove, 22-installing groove, 3-support leg, 4-anti-slip pad, 5-positioning column, 6-gasket, 7-fixing cap, 8-ejection mechanism, 81-side plate, 811-movable groove, 82-screw, 821-moving block, 83-first pulley, 84-second pulley, 85-belt, 86-inverted U-shaped rod, 861-elevator rod, 87-connecting rod, 88-fixed rod, 89-telescopic rod. DETAILED DESCRIPTION

[0019] The utility model is further described in conjunction with the accompanying drawings and embodiments.

[0020] like Figure 1~2As shown, the utility model describes an integrated frame forming mold with an ejection mechanism, comprising an upper mold 1, a lower mold 2, a support leg 3, an anti-skid pad 4, a positioning column 5, a fixing cap 7, and an ejection mechanism 8. The top of the lower mold 2 is attached to the upper mold 1, the bottom of the lower mold 2 is connected to the support leg 3, the bottom of the support leg 3 is provided with the anti-skid pad 4, the positioning column 5 passes through the upper mold 1 and the lower mold 2, the outer wall of the positioning column 5 is threadedly connected with the fixing cap 7, a mold groove 21 is provided in the middle of the upper surface of the lower mold 2, the bottom side of the mold groove 21 is provided with an installation groove 22, and the installation groove 22 is installed with the ejection mechanism 8 capable of ejecting the frame out of the mold groove 21.

[0021] A gasket 6 is sleeved on the positioning column 5 between the fixing cap 7 and the top of the upper mold 1, and the ejection mechanism 8 includes two side plates 81, two screws 82, a first pulley 83, a second pulley 84, an inverted U-shaped rod 86, a connecting rod 87, a fixing rod 88, and a telescopic rod 89. The side plate 81 is vertically fixed between the top inner wall and the bottom inner wall of the mounting groove 22, and two screws 82 are symmetrically and rotatably installed between the top inner wall and the bottom inner wall of the mounting groove 22 between the two side plates 81, one end of one of the screws 82 passes through the lower mold 2 and is fixedly connected to the first pulley 83, and one end of the other screw 82 passes through the lower mold The tool 2 is fixedly connected to the second pulley 84, the first pulley 83 and the second pulley 84 are connected by a belt 85, and a moving block 821 is provided on the screw rod 82, one side of the moving block 821 is slidably connected to the side wall of the side plate 81, and the other side is connected to the side wall of the inverted U-shaped rod 86, and a top rod 861 capable of passing through the mold groove 21 and the mounting groove 22 is provided on the top of the inverted U-shaped rod 86, and a moving groove 811 for sliding connection with one side of the moving block 821 is opened in the side wall of the side plate 81 in the vertical direction. With this arrangement, the moving block 821 is more stable during the movement, which improves the stability of the inverted U-shaped rod 86 when it rises.

[0022] A fixing rod 88 is provided on the inner wall at the bottom of the mounting groove 22 at a position opposite to the two vertical arms of the inverted U-shaped rod 86, and a telescopic rod 89 is correspondingly connected between the two vertical arm ends of the inverted U-shaped rod 86 and the upper ends of the two fixing rods 88. By setting the telescopic rod 89, a guiding role can be played when the inverted U-shaped rod 86 rises, thereby ensuring that the ejector rod is stably ejected; the first pulley 83 is driven by a driving motor.

[0023] Working principle:

[0024] By rotating the fixing cap 7, the upper mold 1 and the lower mold 2 are connected and fixed, so as to achieve the purpose of accurate assembly between the upper mold 1 and the lower mold 2; then the filling liquid is filled into the interior of the upper mold 1 and the lower mold 2 from the interior of the filling hole (opened between the upper mold and the lower mold). When the frame is formed, the upper mold 1 is opened, and the driving motor that drives the first pulley 83 to rotate is started to drive the second pulley 84 to rotate and drive the two screw rods 82 to rotate. The rotation of the two screw rods 82 drives the two moving blocks 821 to rise, and then drives the inverted U-shaped rod 86 to rise and drive the ejector rod 861 to eject the formed frame.

[0025] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0026] The above-mentioned embodiments only express the preferred implementation of the utility model, and the description is relatively specific and detailed, but the utility model is not limited to these embodiments. It should be pointed out that for ordinary technicians in this field. Under the premise of not departing from the purpose of the utility model, any improvement made shall fall within the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An integrated frame forming mold with an ejection mechanism, characterized in that: The invention comprises an upper mold (1), a lower mold (2), a supporting leg (3), an anti-skid pad (4), a positioning column (5), a fixing cap (7), and an ejection mechanism (8), wherein the upper mold (1) is attached to the top of the lower mold (2), the supporting leg (3) is connected to the bottom of the lower mold (2), the anti-skid pad (4) is provided at the bottom of the supporting leg (3), the positioning column (5) passes through the upper mold (1) and the lower mold (2), the fixing cap (7) is threadedly connected to the outer wall of the positioning column (5), a mold groove (21) is provided in the middle of the upper surface of the lower mold (2), and the mold A mounting groove (22) is provided at the bottom side of the groove (21), and the mounting groove (22) is provided with the ejection mechanism (8) capable of ejecting the frame out of the mold groove (21), the ejection mechanism (8) comprising two side plates (81), two screw rods (82), a first belt pulley (83), a second belt pulley (84), an inverted U-shaped rod (86), a connecting rod (87), a fixing rod (88), and a telescopic rod (89), the side plates (81) being vertically fixed between the top inner wall and the bottom inner wall of the mounting groove (22), and the top inner wall of the mounting groove (22) between the two side plates (81) Two screw rods (82) are symmetrically and rotatably installed between the inner wall of the side plate (81) and the bottom inner wall, wherein one end of one of the screw rods (82) passes through the lower mold (2) and is fixedly connected to the first belt pulley (83), and one end of the other screw rod (82) passes through the lower mold (2) and is fixedly connected to the second belt pulley (84), and the first belt pulley (83) and the second belt pulley (84) are connected by a belt (85), and a moving block (821) is provided on the screw rod (82), and one side of the moving block (821) is slidably connected to the side wall of the side plate (81), and the other side is connected to the side wall of the side plate (81). The side wall of the inverted U-shaped rod (86) is connected to the side wall of the inverted U-shaped rod (86); a top rod (861) capable of passing through the mold groove (21) and the mounting groove (22) is provided on the top of the inverted U-shaped rod (86); a moving groove (811) for slidingly connecting with one side of the moving block (821) is opened in the vertical direction on the side wall of the side plate (81); a fixing rod (88) is provided on the inner wall of the bottom of the mounting groove (22) at a position opposite to the two vertical arms of the inverted U-shaped rod (86); and a telescopic rod (89) is correspondingly connected between the two vertical arm ends of the inverted U-shaped rod (86) and the upper ends of the two fixing rods (88).

2. The one-piece frame forming mold with an ejection mechanism according to claim 1, characterized in that: A gasket (6) is sleeved on the positioning column (5) between the fixing cap (7) and the top of the upper mold (1).

3. The one-piece frame forming mold with an ejection mechanism according to claim 1, characterized in that: The first pulley (83) is driven by a driving motor.

Images