Linkage hinge mechanism

Abstract

A linkage hinge mechanism comprises a machine frame, a power source, a power base, a cross beam, a connecting frame, a rotating shaft, a supporting frame, a rotating arm, a swing frame, a connecting beam, a guide column, a guide sleeve and a connecting plate, the fixed end of the power source is hinged to the power base, the power base is detachably and fixedly connected with the machine frame, and the free end of the power source is hinged to the left end of the connecting frame. The top of the left end of the connecting frame is detachably fixed to the middle of the bottom of the cross beam, the right end of the connecting frame is detachably and fixedly connected with the middle of the rotating shaft, two spaced supporting frames are detachably fixed to the top of the rack, the rotating shaft is rotationally connected between the two supporting frames, and rotating arms are detachably installed at the two ends of the rotating shaft; the rotating arm is detachably fixed to the bottom of the cross beam, the left end of the rotating arm is hinged to the upper portion of the swing frame, the lower portion of the swing frame is hinged to the middle of the bottom of the connecting beam, vertical guide columns are detachably fixed to the two ends of the connecting beam, and guide sleeves are detachably fixed to the rack. The lifting device is convenient for synchronous vertical lifting.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical fields, specifically related to a linkage hinge mechanism. BACKGROUND

[0002] The mold is used for injection, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods to obtain the required products in industrial production. The mold generally includes a movable mold and a fixed mold (or a male mold and a female mold), which can be separated and combined, separated to take out the workpiece, and combined to inject the blank into the mold cavity for shaping. In order to save manpower and improve work efficiency, hydraulic cylinders, air cylinders, electric cylinders and other telescopic devices are generally used to control the opening and closing of the mold.

[0003] The existing device is a one-side use one hydraulic cylinder, such as the patent publication number CN221872985U, the patent name is a kind of injection mold for automobile decorative plate, the upper side of mounting bracket is equipped with two hydraulic cylinders, the output end of hydraulic cylinder is fixedly connected with upper mold, two hydraulic cylinders are used to control the opening and closing of mold, this control mode needing two or more hydraulic cylinders to work simultaneously needs to ensure that two or more hydraulic cylinders work synchronously, and the requirement for manufacturing and assembly is strict. UTILITY MODEL CONTENT

[0004] The utility model aims at: provide a linkage hinge mechanism, it is convenient for synchronous vertical lifting, manufacture is simple, and installation is convenient.

[0005] The utility model takes the technical scheme as follows:

[0006] A linkage hinge mechanism, including frame, power source, power seat, crossbeam, connecting frame, pivot, support frame, swing arm, swing frame, connecting beam, guide column, guide sleeve and connecting plate, the power source is preferably selected from hydraulic cylinder, the fixed end of power source is hinged with power seat, power seat is detachably fixedly connected with frame, the free end of power source is obliquely upward and is hinged with the left end of connecting frame, the top of left end of connecting frame is detachably fixed in the middle position of crossbeam bottom, the right end of connecting frame is detachably fixedly connected with the middle part of pivot, the top of frame is detachably fixed with two spaced support frames, pivot is rotatably connected between two support frames, mounting hole is arranged on support frame, bearing matched with pivot is mounted in mounting hole, the both ends of pivot are extended to support frame outside and are detachably installed with swing arm, swing arm is detachably fixed on crossbeam bottom, the left end of swing arm is hinged with the upper part of swing frame, the lower part of swing frame is hinged with the middle position of connecting beam bottom, the both ends of connecting beam are detachably fixed with vertical guide column, guide sleeve is detachably fixed on frame, guide column passes through corresponding guide sleeve and is slidably matched with it, connecting plate is detachably fixed on the bottom of guide column.

[0007] Further, the middle part of the left side of the rotating shaft is provided with a rotating shaft flange, the right end of the connecting frame is provided with a right connecting flange, the rotating shaft flange is attached to the right connecting flange and is detachably fixedly connected through bolts; the top of the left end of the connecting frame is provided with an upper connecting flange, the bottom of the cross beam is provided with a cross beam flange, the upper connecting flange is attached to the cross beam flange and is detachably fixedly connected through bolts.

[0008] Further, the rotating arm is arranged in vertical opposition to the rotating shaft flange; the two ends of the rotating shaft are each provided with a symmetrical first key groove unit, the right end of the rotating arm is provided with a connecting sleeve, the inner wall of the connecting sleeve is provided with a second key groove unit corresponding to the first key groove unit, the connecting sleeve is matched with the end of the rotating shaft, the inner wall of the connecting sleeve is attached to the outer wall of the end of the rotating shaft, the first key groove unit and the corresponding second key groove unit form a key groove, a connecting key is installed in the key groove, the connecting sleeve and the rotating shaft are connected through the connecting key, and torque is conveniently transmitted.

[0009] Further, the upper connecting shaft and the lower connecting shaft are sequentially arranged on the swing frame from top to bottom, the top of the swing frame is provided with a U-shaped groove, the left end of the rotating arm is arranged in the U-shaped groove, and the two are connected through the upper connecting shaft, that is, the rotating arm and the swing frame are each provided with a hole matched with the upper connecting shaft; the middle position of the bottom of the connecting beam is detachably fixed with a mounting frame, the lower part of the swing frame is connected with the mounting frame through the lower connecting shaft, that is, the mounting frame is provided with a hole matched with the lower connecting shaft, the lower part of the swing frame is provided with an assembly hole, and a bearing matched with the lower connecting shaft is installed in the assembly hole.

[0010] Further, the free end of the power source is fixedly provided with an upper connecting head, the upper connecting head is hinged to the connecting frame, specifically, the bottom of the connecting frame is provided with an upper connecting groove, the upper connecting head is arranged in the upper connecting groove, and the two are connected through a pin shaft; the fixed end of the power source is fixedly provided with a lower connecting head, the lower connecting head is hinged to the power seat, specifically, the power seat is provided with a lower connecting groove, the lower connecting head is arranged in the lower connecting groove, and the two are connected through a pin shaft.

[0011] Further, the rack comprises an upper horizontal frame, a lower horizontal frame, horizontal beams and vertical beam groups, the upper horizontal frame and the lower horizontal frame are provided with front and rear symmetrical vertical beam groups, that is, the front side position between the upper horizontal frame and the lower horizontal frame, and the rear side position between the upper horizontal frame and the lower horizontal frame are each provided with a vertical beam group; the vertical beam group comprises two spaced vertical beams, the top of the vertical beam is detachably fixed to the bottom of the upper horizontal frame, the bottom of the vertical beam is detachably fixed to the top of the lower horizontal frame, and the two vertical beams are detachably fixed with a horizontal beam, the upper horizontal frame and the horizontal beam are each detachably fixed with a guide sleeve corresponding to a guide column, the outer wall of the guide sleeve is fixedly provided with a guide sleeve flange, the guide sleeve flange is detachably fixed to the upper horizontal frame or the horizontal beam through bolts, and the top and bottom of the guide sleeve are each detachably fixed with an oil seal, so that the guide column can move smoothly.

[0012] The beneficial effects of the utility model are:

[0013] (1) the power source is arranged in the frame, compact structure, a power source through the frame, power seat, crossbeam, connecting frame, rotating shaft, support frame, rotating arm, swing frame, connecting beam, guide sleeve and other components, can realize four guide pillar linkage rising or falling, convenient for synchronous vertical lifting, stable movement process, small friction noise, simple manufacturing, easy installation.

[0014] (2) before use, the frame can be detachably fixed in the appropriate position, the connecting plate at the bottom of the guide pillar is detachably fixed on the equipment that needs to be lifted, such as the movable mold of the mold, in use, the power source drives the rotating arm to rotate through the crossbeam, connecting frame, rotating shaft and other components, the rotating arm drives the swing frame to swing, realizes the synchronous lifting of four guide pillars, ensures the stable vertical lifting of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view structural schematic diagram of the utility model;

[0016] Figure 2 It is the top view structural schematic diagram of the utility model;

[0017] Figure 3 It is the three-dimensional structural schematic diagram of the utility model

[0018] Figure 4 It is the local structure schematic diagram (one) of the utility model;

[0019] Figure 5 It is the local structure schematic diagram (two) of the utility model;

[0020] Figure 6 It is the local structure schematic diagram (three) of the utility model;

[0021] Figure 7 It is the structure schematic diagram of rotating arm;

[0022] Figure 8 It is the structure schematic diagram of rotating shaft.

[0023] In the diagram: 1-Frame, 2-Power base, 3-Lower connector, 4-Power source, 5-Upper horizontal frame, 6-Support frame, 7-Connecting key, 8-Rotating shaft, 9-Connecting sleeve, 10-Rotating arm, 11-Crossbeam, 12-Connecting beam, 13-Mounting bracket, 14-Guide sleeve, 15-Guide column, 16-Oil seal, 17-Guide sleeve flange, 18-Horizontal beam, 19-Connecting plate, 20-Vertical beam, 21-Lower horizontal frame, 22-Upper connecting shaft, 23-U-groove, 24-Swing frame, 25-Lower connecting shaft, 26-Rotating shaft flange, 27-Right connecting flange, 28-Upper connecting flange, 29-Crossbeam flange, 30-Upper connector, 31-Pin, 32-Connecting bracket, 33-First keyway unit, 34-Second keyway unit, 35-Right end hole of rotating arm, 36-Left end hole of rotating arm. Detailed Implementation

[0024] like Figures 1-8 As shown, a linkage hinge mechanism includes a frame 1, a power source 4, a power base 2, a crossbeam 11, a connecting frame 32, a rotating shaft 8, a support frame 6, a rotating arm 10, a swing frame 24, a connecting beam 12, a guide post 15, a guide sleeve 14, and a connecting plate 19. The power source 4 is preferably a hydraulic cylinder. The fixed end of the power source 4 is hinged to the power base 2, and the power base 2 is detachably and fixedly connected to the frame 1. The free end of the power source 4 is inclined upwards and hinged to the left end of the connecting frame 32. The top of the left end of the connecting frame 32 is detachably fixed to the middle position of the bottom of the crossbeam 11. The right end of frame 32 is detachably and fixedly connected to the middle of the rotating shaft 8. Two spaced support frames 6 are detachably fixed to the top of frame 1. The rotating shaft 8 is rotatably connected between the two support frames 6. Mounting holes are provided on the support frames 6, and bearings that mate with the rotating shaft 8 are installed in the mounting holes. Both ends of the rotating shaft 8 extend beyond the support frames 6 and are detachably mounted with rotating arms 10. The rotating arms 10 are detachably fixed to the bottom of the crossbeam 11. A mounting position for the crossbeam 11 is provided at the top of the rotating arms 10. The mounting position for the crossbeam 11 is preferably located at the top of the rotating arms 10, slightly near the left end hole 36 of the rotating arm. Figure 6 As shown, the length of a is less than the length of b. The left end of the swing arm 10 is hinged to the upper part of the swing frame 24, and the lower part of the swing frame 24 is hinged to the middle position of the bottom of the connecting beam 12. Vertical guide posts 15 are detachably fixed at both ends of the connecting beam 12. The guide sleeve 14 is detachably fixed on the frame 1. The guide post 15 passes through the corresponding guide sleeve 14 and slides with it. The connecting plate 19 is detachably fixed to the bottom of the guide post 15.

[0025] Power source 4 can also be a conventional telescopic device such as a cylinder or an electric cylinder.

[0026] In order to facilitate installation and disassembly, the middle part of the left side of the rotating shaft 8 is provided with a rotating shaft flange 26, the right end of the connecting frame 32 is provided with a right connecting flange 27, the rotating shaft flange 26 is attached to the right connecting flange 27 and is detachably fixedly connected through bolts; the top of the left end of the connecting frame 32 is provided with an upper connecting flange 28, the bottom of the cross beam 11 is provided with a cross beam flange 29, the upper connecting flange 28 is attached to the cross beam flange 29 and is detachably fixedly connected through bolts.

[0027] In order to facilitate better linkage, the rotating arm 10 is arranged in vertical opposition to the rotating shaft flange 26; the two ends of the rotating shaft 8 are each provided with a symmetrical first key groove unit 33, the right end of the rotating arm 10 is provided with a connecting sleeve 9, the inner wall of the connecting sleeve 9 is provided with a second key groove unit 34 corresponding to the first key groove unit 33, the connecting sleeve 9 cooperates with the end of the rotating shaft 8, the hole on the connecting sleeve 9 that cooperates with the rotating shaft 8 is recorded as the rotating arm right end hole 35, the inner wall of the connecting sleeve 9 is attached to the outer wall of the end of the rotating shaft 8, that is, the inner wall of the rotating arm right end hole 35 is attached to the outer wall of the end of the rotating shaft 8, the first key groove unit 33 and the corresponding second key groove unit 34 form a key groove, a connecting key 7 is installed in the key groove, the connecting sleeve 9 and the rotating shaft 8 are connected through the connecting key 7, so as to facilitate the transmission of torque.

[0028] In order to facilitate the swinging of the swinging frame 24 and the synchronous lifting of the four guide columns 15, the swinging frame 24 is sequentially provided with an upper connecting shaft 22 and a lower connecting shaft 25 from top to bottom, the top of the swinging frame 24 is provided with a U-shaped groove 23, the left end of the rotating arm 10 is arranged in the U-shaped groove 23, and the two are connected through the upper connecting shaft 22, that is, the rotating arm 10 and the swinging frame 24 are each provided with a hole that cooperates with the upper connecting shaft 22, the hole on the rotating arm 10 that cooperates with the upper connecting shaft 22 is recorded as the rotating arm left end hole 36; the bottom of the connecting beam 12 is detachably fixedly provided with a mounting frame 13, the lower part of the swinging frame 24 is connected with the mounting frame 13 through the lower connecting shaft 25, that is, the mounting frame 13 is provided with a hole that cooperates with the lower connecting shaft 25, the lower part of the swinging frame 24 is provided with a mounting hole, and a bearing that cooperates with the lower connecting shaft 25 is installed in the mounting hole.

[0029] In order to facilitate installation, the free end of the power source 4 is fixedly provided with an upper connecting head 30, the upper connecting head 30 is hinged to the connecting frame 32, specifically, the bottom of the connecting frame 32 is provided with an upper connecting groove, the upper connecting head 30 is arranged in the upper connecting groove, and the two are connected through a pin shaft 31; the fixed end of the power source 4 is fixedly provided with a lower connecting head 3, the lower connecting head 3 is hinged to the power seat 2, specifically, the power seat 2 is provided with a lower connecting groove, the lower connecting head 3 is arranged in the lower connecting groove, and the two are connected through a pin shaft 31.

[0030] In order to facilitate installation and disassembly, the rack 1 comprises an upper horizontal frame 5, a lower horizontal frame 21, horizontal beams 18 and vertical beam groups, the upper horizontal frame 5 and the lower horizontal frame 21 are provided with front and rear symmetrical vertical beam groups, that is, the front side position between the upper horizontal frame 5 and the lower horizontal frame 21 and the rear side position between the upper horizontal frame 5 and the lower horizontal frame 21 are provided with a vertical beam group; the vertical beam group comprises two spaced vertical beams 20, the top of the vertical beam 20 is detachably fixed to the bottom of the upper horizontal frame 5, the bottom of the vertical beam 20 is detachably fixed to the top of the lower horizontal frame 21, the horizontal beam 18 is detachably fixed between the two vertical beams 20, the guide sleeve 14 corresponding to the guide column 15 is detachably fixed on the upper horizontal frame 5 and the horizontal beam 18, the guide sleeve flange 17 is fixed on the outer wall of the guide sleeve 14, the guide sleeve flange 17 is detachably fixed on the upper horizontal frame 5 or the horizontal beam 18 by bolts, and the oil seal 16 is detachably fixed on the top and bottom of the guide sleeve 14, so that the guide column 15 can move smoothly.

[0031] Before use, the rack 1 is detachably fixed at a suitable position, and the connecting plate 19 at the bottom of the guide column 15 is detachably fixed on the equipment to be lifted, such as the movable mold of the mold, when the power source 4 selects the hydraulic cylinder, the hydraulic cylinder is connected with the conventional hydraulic control system through the oil pipe to control the extension and retraction, which is the prior art and will not be described here.

[0032] In use, the power source 4 extends and retracts, drives the rotating arm 10 to rotate through the cross beam 11, the connecting frame 32, the rotating shaft 8 and other parts, drives the swing frame 24 to swing through the rotating arm 10, realizes the synchronous lifting of the four guide columns 15, and ensures the stable vertical lifting of the equipment detachably fixed on the connecting plate 19.

[0033] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0034] The above examples are illustrative of the present application, not a limitation on the present application, any simple transformation of the present application belongs to the protection scope of the present application.

Claims

1. A linkage hinge mechanism characterized by: The utility model provides a kind of movable type rotary mechanism, including rack, power source, power base, crossbeam, connecting frame, pivot, support frame, swing arm, swing frame, connecting beam, guide column, guide sleeve and connecting plate, the fixed end of power source is hinged with power base, power base is detachably fixed connection with rack, the free end of power source is obliquely upwards and is hinged with the left end of connecting frame, the top of the left end of connecting frame is detachably fixed in the middle position of crossbeam bottom, the right end of connecting frame is detachably fixed connection with the middle part of pivot, the top of rack is detachably fixed with two interval support frames, pivot is rotatably connected between two support frames, and the both ends of pivot are extended to support frame outside and detachably installed with swing arm, swing arm is detachably fixed in crossbeam bottom, the left end of swing arm is hinged with the upper part of swing frame, the lower part of swing frame is hinged with the middle position of connecting beam bottom, the both ends of connecting beam are detachably fixed with vertical guide column, guide sleeve is detachably fixed on rack, guide column is through corresponding guide sleeve and is slidably matched with it, and connecting plate is detachably fixed in the bottom of guide column.

2. The linked hinge mechanism of claim 1, wherein: The middle part of the left side of pivot is equipped with pivot flange, the right end of connecting frame is equipped with right connecting flange, pivot flange is attached with right connecting flange and is detachably fixed connection by bolt;The top of the left end of connecting frame is equipped with upper connecting flange, the bottom of crossbeam is equipped with crossbeam flange, upper connecting flange is attached with crossbeam flange and is detachably fixed connection by bolt.

3. The linked hinge mechanism of claim 2, wherein: Swing arm is arranged perpendicularly with pivot flange;The both ends of pivot are equipped with symmetrical first key groove unit, the right end of swing arm is equipped with connecting sleeve, the inner wall of connecting sleeve is equipped with second key groove unit corresponding with first key groove unit, connecting sleeve is matched with the end of pivot, first key groove unit and corresponding second key groove unit form key groove, and connecting key is installed in key groove.

4. The linked hinge mechanism of claim 1, wherein: From top to bottom, upper connecting shaft and lower connecting shaft are sequentially equipped on swing frame, the top of swing frame is equipped with U-shaped groove, the left end of swing arm is arranged in U-shaped groove, and the both are connected by upper connecting shaft;The middle position of connecting beam bottom is detachably fixed with mounting frame, and the lower part of swing frame is connected with mounting frame by lower connecting shaft.

5. The linked hinge mechanism of claim 1, wherein: The free end of power source is fixed with upper connecting head, and upper connecting head is hinged on connecting frame;The fixed end of power source is fixed with lower connecting head, and lower connecting head is hinged on power base.

6. The linked hinge mechanism of claim 1, wherein: Rack includes upper horizontal frame, lower horizontal frame, horizontal beam and vertical beam group, and front and back symmetrical vertical beam group is arranged between upper horizontal frame and lower horizontal frame;Vertical beam group includes two interval vertical beams, the top of vertical beam is detachably fixed in the bottom of upper horizontal frame, the bottom of vertical beam is detachably fixed in the top of lower horizontal frame, and horizontal beam is detachably fixed between the both vertical beams, and the both of upper horizontal frame and horizontal beam are detachably fixed with guide sleeve corresponding with guide column.

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