CN219925793U - High-gravity-center die overturning mechanism - Google Patents
High-gravity-center die overturning mechanism Download PDFInfo
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- CN219925793U CN219925793U CN202320989771.2U CN202320989771U CN219925793U CN 219925793 U CN219925793 U CN 219925793U CN 202320989771 U CN202320989771 U CN 202320989771U CN 219925793 U CN219925793 U CN 219925793U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 56
- 230000005484 gravity Effects 0.000 claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 230000007306 turnover Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 8
- 239000000945 filler Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses a high-gravity-center die overturning mechanism which comprises a base, wherein a driving shaft and a driven shaft are oppositely arranged on two sides of the inside of the base, the axes of the driving shaft and the driven shaft and the center of gravity of a die are positioned on the same horizontal line, a die clamping mechanism is connected between the driving shaft and the driven shaft, a worm gear reducer connected with the driving shaft is arranged on the outer side of the base, and the worm gear reducer is connected with a motor. According to the high-gravity-center die overturning mechanism, under the condition that a rotating shaft cannot be installed through the center of gravity of a die, the rotating center of the die overturning mechanism is concentric with the center of gravity of the die, so that the swing amplitude of the die during overturning is reduced, the die is ensured to be overturned stably, and the die is overturned in the using process.
Description
Technical Field
The utility model belongs to the technical field of mechanical turnover mechanisms, and relates to a high-gravity-center die turnover mechanism.
Background
The main application and the functions of the die overturning machine sold in the market at present are as follows: when maintaining large and medium-sized moulds, the overturning of the moulds by 0-90 degrees is realized, the opening, closing and hoisting of the moulds are convenient, the overturning device is mainly used for overturning the large-sized moulds during maintenance, and the overturning of the moulds in the use process cannot be satisfied.
In the process of forming some composite shells, prepreg needs to be applied to the surface of a core mold in advance, and the core mold needs to be turned over for 180 degrees to be hoisted and closed after the operation is finished. Because the mould core mold participates in part molding, the surface can not be perforated to pass through the rotating shaft, and therefore, the turnover mode of the core mold at the present stage is as follows: two equal-height filler strips are placed in the width direction of the special die frame, the core die is hoisted to the equal-height filler strips, the rotating shaft is inserted into the fixed seat and the rotating lifting lug of the upper die plate, the die is slightly inclined manually, the equal-height filler strips below the upper die plate are pulled out, the die is turned by means of dead weight, and due to the fact that the gravity center of the die is higher, the die swings with large inertia and poor safety during turning, and the prepreg on the surface of the core die is likely to slide.
Disclosure of Invention
The utility model aims to provide a high-gravity-center die overturning mechanism, which realizes that the rotation center of the die overturning mechanism is concentric with the center of gravity of a die under the condition that a rotation shaft cannot be installed through the center of gravity of the die, reduces the swing amplitude of the die during overturning, ensures the die to stably overturn, and realizes the overturning of the die in the use process.
The technical scheme includes that the high-gravity-center die overturning mechanism comprises a base, wherein a driving shaft and a driven shaft are oppositely arranged on two sides of the inside of the base, the axes of the driving shaft and the driven shaft and the center of gravity of a die are positioned on the same horizontal line, a die clamping mechanism is connected between the driving shaft and the driven shaft, a worm gear reducer connected with the driving shaft is arranged on the outer side of the base, and a motor is connected with the worm gear reducer.
The die clamping mechanism comprises a supporting plate, a baffle and two reverse L-shaped corner plates are arranged on the supporting plate, the two L-shaped corner plates are relatively arranged in parallel, the baffle is located between the two L-shaped corner plates, and a spring compression pin mechanism is relatively arranged at the end part of the same end of the two L-shaped corner plates.
The spring pressing pin mechanism comprises a T-shaped plate and a limiting pin, the T-shaped plate is located on the outer side of the L-shaped angle plate, one end of the limiting pin is connected with a handle, the other end of the limiting pin sequentially penetrates through the T-shaped plate and the L-shaped angle plate, a connecting rod is connected between the T-shaped plate and the L-shaped angle plate, and an extension spring is sleeved on the connecting rod.
Two first travel switches are arranged at the bottom of the supporting plate and respectively correspond to the two L-shaped angle plates up and down, the contacts of the first travel switches are opposite to the inner side surface of the T-shaped plate, and the first travel switches are connected with the motor.
The driving shaft, the driven shaft and the supporting plate are connected through L-shaped brackets, each L-shaped bracket is composed of a side plate and a bottom plate, the top of each side plate is a semicircular edge, the circle center is arranged on the axis of the driving shaft and the axis of the driven shaft, and the bottom plate is fixedly connected with the supporting plate through screws.
The side of the base for installing the driven shaft is provided with an upper second travel switch and a lower second travel switch, the distances between the two second travel switches and the axis of the driven shaft are equal, the bottom second travel switch contacts are attached to the supporting plate, and the two second travel switches are installed on one side of the side plate, which is close to the baffle, and are connected with the motor.
Grating sensors connected with the motor are arranged on the top edge and the side edge of the base.
The high-gravity-center die overturning mechanism has the beneficial effects that the high-gravity-center die overturning mechanism can be used for overturning the core die by 180 degrees in the use process of the die, and the stability of the overturning process of the core die is ensured because the gravity center of the die is concentric with the rotation center during overturning; two sets up L shape scute relatively and controls spacing to the mandrel, and baffle and spring hold-down pin mechanism are spacing around to the mandrel, have guaranteed the security when the mandrel is rotatory.
Drawings
FIG. 1 is a schematic plan view of a high gravity center mold turnover mechanism of the present utility model;
FIG. 2 is a schematic perspective view of the high gravity center mold turnover mechanism of the present utility model;
FIG. 3 is a schematic view of the structure of the pallet in the high center of gravity mold turnover mechanism of the present utility model;
FIG. 4 is a schematic plan view of a spring hold-down pin mechanism in a high center of gravity mold turnover mechanism of the present utility model;
FIG. 5 is a schematic top view of a spring hold-down pin mechanism in the high center of gravity mold turnover mechanism of the present utility model;
FIG. 6 is a schematic perspective view of a spring hold-down pin mechanism in the high center of gravity mold turnover mechanism of the present utility model;
fig. 7 is a schematic diagram of the application state structure of the high gravity center mold turnover mechanism of the utility model.
In the figure, the mold clamping mechanism is 1, the limit pin is 2, the grating sensor is 3, the 4.L-shaped angle plate is 5, the supporting plate is 6, the T-shaped plate is 7, the spring pressing pin mechanism is 8.L-shaped support, the base is 9, the driving shaft is 10, the driven shaft is 11, the extension spring is 12, the baffle is 13, the connecting rod is 14, the first travel switch is 16, the side plate is 17, the bottom plate is 18, the second travel switch is 19, the handle is 20, the mold is 21, the assembly conveying line is 22, the hoisting conveying line is 23, and the power distribution cabinet is provided.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
The utility model relates to a high-gravity-center die overturning mechanism, which comprises a base 9, wherein a driving shaft 10 and a driven shaft 11 are oppositely arranged on two sides of the inside of the base 9, the axial leads of the driving shaft 10 and the driven shaft 11 and the gravity center of a core die 20 are positioned on the same horizontal line, the rotation center of the die overturning mechanism is concentric with the gravity center of the die, and the stability of the die overturning process is ensured.
A die clamping mechanism 1 is connected between the driving shaft 10 and the driven shaft 11, a worm gear reducer connected with the driving shaft 10 is arranged on the outer side of the base 9, a motor is connected with the worm gear reducer, and a power distribution cabinet 23 for controlling the motor is also arranged on the outer side of the base 9.
Referring to fig. 3, the die clamping mechanism 1 comprises a hollow U-shaped supporting plate 5, a baffle 13 and two opposite L-shaped corner plates 4 are mounted on the supporting plate 5, the two parallel L-shaped corner plates 4 are located on the left side and the right side of the supporting plate 5, the baffle 13 is located on the rear side of the supporting plate 5 and also located between the two L-shaped corner plates 4, and spring pressing pin mechanisms 7 are mounted on front end portions of the two L-shaped corner plates 4 oppositely. The baffle is used for limiting the forward movement of the die, and the L-shaped angle plates on the left side and the right side are used for limiting the left and right movement and the up and down movement of the die.
Referring to fig. 4-6, the spring hold-down pin mechanism 7 comprises a T-shaped plate 6 and a limit pin 2, wherein the T-shaped plate 6 is positioned at the outer side of the L-shaped angle plate 4, one end of the limit pin 2 is connected with a handle 19, the other end sequentially passes through the T-shaped plate 6 and the L-shaped angle plate 4, a connecting rod 14 is connected between the T-shaped plate 6 and the L-shaped angle plate 4, an extension spring 12 is sleeved on the connecting rod 14, a die 20 is arranged between the L-shaped angle plates, the handle 19 is pulled down, the limit pin 2 stretches out, and the die is prevented from moving backwards.
Two first travel switches 15 are installed at the bottom of the supporting plate 5 and respectively correspond to the two L-shaped angle plates 4 up and down, the contacts of the first travel switches 15 are opposite to the inner side face of the T-shaped plate 6, the first travel switches 15 are connected with a motor, the T-shaped plate 6 is driven to move towards the center of the die clamping mechanism 1 while the limit pins 2 extend out, the first travel switches 15 are triggered, the first travel switches 15 transmit signals to the motor, motor interlocking is relieved, the motor starts to start, after the die overturning is completed, the handle is lifted, the limit pins retract, the T-shaped plate is far away from the first travel switches, and the motor interlocking is started and stops working.
The driving shaft 10, the driven shaft 11 and the supporting plate 5 are connected through an L-shaped bracket 8, the L-shaped bracket 8 consists of a side plate 16 and a bottom plate 17, the top of the side plate 16 is a semicircular edge, the circle center is on the axis of the driving shaft 10 and the axis of the driven shaft 11, the bottom plate 17 is fixedly connected with the supporting plate 5 through screws, the axes of the driving shaft 10 and the driven shaft 11 and the center of gravity of the core mold are positioned on the same horizontal line, and the rotation center of the rotating shaft is concentric with the center of gravity of the mold.
The side of the base 9 provided with the driven shaft 11 is provided with an upper second travel switch 18 and a lower second travel switch 18, the distances between the two second travel switches 18 and the axis of the driven shaft 11 are equal, the contacts of the bottom second travel switch 18 are attached to the supporting plate 5, the two second travel switches 18 are arranged on one side of the side plate 16, which is close to the baffle 13, and are connected with a motor, and when the die clamping mechanism does not rotate and rotates 180 degrees anticlockwise, the supporting plate presses the top second travel switch 18 to stop the motor.
The grating sensors 3 connected with the motor are arranged on the top edge and the side edge of the base 9, and in the rotating process of the die clamping mechanism 1, if the grating sensors 3 sense that personnel or other objects enter the base, signals can be transmitted to the motor, so that the motor stops rotating, and the safety of staff is improved.
Referring to fig. 7, when the high gravity center die turning mechanism of the present utility model is used, the assembly conveying line 21 is installed at the front end of the die turning mechanism, the lifting conveying line 22 is installed at the rear end of the die turning mechanism, the die is placed on the assembly conveying line 21, the assembly conveying line 21 is started, the die is conveyed to the front of the die turning mechanism by the assembly conveying line 21, then the die is pushed between the L-shaped angle plates from one end close to the spring pressing pin mechanism, the pull-down handle 19 is pulled down, the limit pin 2 stretches out, the die is limited to move backwards, the T-shaped plate 6 touches the first travel switch 15 while the limit pin 2 stretches out, the motor is released from the first travel switch 15, the motor starts to start, and when the die clamping mechanism is driven to rotate 180 degrees anticlockwise, the supporting plate presses the top second travel switch 18, the motor stops running, the pull-down handle 19 is lifted, the limit pin 2 retracts, the T-shaped plate is far away from the first travel switch, the motor is started, and finally the die is manually pushed into the lifting conveying line 22, and the die is clamped.
Claims (7)
1. The high-gravity-center die overturning mechanism is characterized by comprising a base (9), wherein a driving shaft (10) and a driven shaft (11) are oppositely arranged on two sides of the inside of the base (9), the axial leads of the driving shaft (10) and the driven shaft (11) and the center of gravity of a die (20) are positioned on the same horizontal line, a die clamping mechanism (1) is connected between the driving shaft (10) and the driven shaft (11), a worm gear reducer connected with the driving shaft (10) is arranged on the outer side of the base (9), and the worm gear reducer is connected with a motor.
2. The high-gravity-center die overturning mechanism according to claim 1, wherein the die clamping mechanism (1) comprises a supporting plate (5), a baffle plate (13) and two reverse L-shaped corner plates (4) are arranged on the supporting plate (5), the two L-shaped corner plates (4) are arranged in parallel relatively, the baffle plate (13) is located between the two L-shaped corner plates (4), and a spring pressing pin mechanism (7) is arranged at the same end part of the two L-shaped corner plates (4) relatively.
3. The high-gravity-center die overturning mechanism according to claim 2, wherein the spring pressing pin mechanism (7) comprises a T-shaped plate (6) and a limiting pin (2), the T-shaped plate (6) is located on the outer side of the L-shaped angle plate (4), one end of the limiting pin (2) is connected with a handle (19), the other end sequentially penetrates through the T-shaped plate (6) and the L-shaped angle plate (4), a connecting rod (14) is connected between the T-shaped plate (6) and the L-shaped angle plate (4), and an extension spring (12) is sleeved on the connecting rod (14).
4. A high gravity center mould turnover mechanism according to claim 3, wherein two first travel switches (15) are installed at the bottom of the supporting plate (5), the two first travel switches are respectively corresponding to the two L-shaped corner plates (4) up and down, the contacts of the first travel switches (15) are opposite to the inner side surface of the T-shaped plate (6), and the first travel switches (15) are connected with a motor.
5. The high-gravity-center die overturning mechanism according to claim 3, wherein the driving shaft (10), the driven shaft (11) and the supporting plate (5) are connected through an L-shaped bracket (8), the L-shaped bracket (8) is composed of a side plate (16) and a bottom plate (17), the top of the side plate (16) is a semicircular edge, the circle center is on the axis of the driving shaft (10) and the driven shaft (11), and the bottom plate (17) is fixedly connected with the supporting plate (5) through screws.
6. The high-gravity-center die overturning mechanism according to claim 5, wherein an upper second travel switch (18) and a lower second travel switch (18) are arranged on the side face of a base (9) provided with the driven shaft (11), the distances between the two second travel switches (18) and the axis of the driven shaft (11) are equal, contacts of the bottom second travel switch (18) are attached to the supporting plate (5), and the two second travel switches (18) are arranged on one side, close to the baffle plate (13), of the side plate (16) and are connected with a motor.
7. The high gravity center mold turnover mechanism according to claim 1, wherein grating sensors (3) connected with a motor are installed on the top edge and the side edge of the base (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320989771.2U CN219925793U (en) | 2023-04-27 | 2023-04-27 | High-gravity-center die overturning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320989771.2U CN219925793U (en) | 2023-04-27 | 2023-04-27 | High-gravity-center die overturning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219925793U true CN219925793U (en) | 2023-10-31 |
Family
ID=88494018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320989771.2U Active CN219925793U (en) | 2023-04-27 | 2023-04-27 | High-gravity-center die overturning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219925793U (en) |
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2023
- 2023-04-27 CN CN202320989771.2U patent/CN219925793U/en active Active
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