Resonance rod drawing die

Abstract

The utility model relates to the technical field of resonance rod stretching, in particular to a resonance rod stretching die which comprises a main body, an oil storage tank is fixedly mounted at the top of the main body, lubricating oil is filled in an inner cavity of the oil storage tank, a PLC (programmable logic controller) is fixedly mounted on one side of the oil storage tank, and an oil injection pipe is fixedly connected to the bottom of the oil storage tank. An oil injection pipe is arranged in the inner cavity of the main machine body, a flow control mechanism is arranged in the inner cavity of the oil injection pipe, an upper die is fixedly installed at the top of the inner cavity of the main machine body, a punch is fixedly installed at the bottom of the upper die, two stand columns are fixedly connected to the bottom of the inner cavity of the main machine body, and inner cavities of the stand columns are movably connected with linkage columns. The flow control mechanism is controlled through the PLC, the flowing speed of lubricating oil can be adjusted through the flow control mechanism, and the valve can be opened and closed, so that the stretching device can accurately control the injection amount of the lubricating oil according to the sizes of products and molds, and the practicability of the stretching device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of resonance rod stretching, in particular to a resonance rod stretching die. Background Art

[0002] The resonant rod is an essential part used in aerospace, radio and television communication base station equipment, also known as oscillator, reflection rod, resonator, resonant column, etc.

[0003] The Chinese patent with announcement number CN219357559U provides a stretching resonant rod stretching die, which adds lubricating oil to the oil storage tank through the refueling bucket. When the controller is used to operate the hydraulic push rod for stretching operation, the controller delays opening the filling valve, and the lubricating oil in the oil storage tank can enter the cavity through the filling pipe and penetrate into the workpiece from the oil seepage hole, thereby lubricating the workpiece and the mold surface, effectively avoiding scratches on the product surface and "adhesive nodules" on the mold surface.

[0004] In addition to the above-mentioned advantages, the utility model patent still has some shortcomings: first, the device injects lubricating oil into the space between the lower mold and the product. However, due to the different sizes of the products produced, the lower mold also needs to be replaced. If the amount of lubricating oil injected remains unchanged, it may cause the problem of too much or too little lubricating oil being injected, which is inconvenient when used. Second, the lower mold of the existing stretching mold is usually installed on the base plate by bolts or welding. Therefore, it is more troublesome to replace the lower mold, which affects the production efficiency of the product. Utility Model Content

[0005] The utility model aims to provide a resonant rod stretching die to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A resonant rod stretching die, comprising a main body, an oil storage tank fixedly installed on the top of the main body, the inner cavity of the oil storage tank is filled with lubricating oil, a PLC controller fixedly installed on one side of the oil storage tank, an oil filling pipe fixedly connected to the bottom of the oil storage tank, the inner cavity of the oil filling pipe is provided with a flow control mechanism, an upper die fixedly installed on the top of the inner cavity of the main body, a punch fixedly installed on the bottom of the upper die, two columns fixedly connected to the bottom of the inner cavity of the main body, a linkage column movably connected to the inner cavity of the column, a turntable fixedly connected to the bottom end of the linkage column, four first magnetic rings fixedly connected to the outer side of the top of the linkage column, four connecting pieces fixedly connected to the outer side of the top of the column, a lower die installed on the top of the column, two mounting grooves are provided at the bottom of the lower die, the top of the column is located in the inner cavity of the mounting groove, and four connecting holes are provided on the inner wall of the mounting groove.

[0008] Preferably, the flow control mechanism includes a fixed sleeve, a fixed plate is fixedly connected to the bottom inner wall of the fixed sleeve, a movable plate is movably connected to the top inner wall of the fixed sleeve, and flow openings are opened on the surfaces of the fixed plate and the movable plate, a first bevel gear is fixedly connected to the top of the movable plate, a servo motor is fixedly connected to the top of the main body, a drive shaft is fixedly connected to the output end of the servo motor, a second bevel gear is fixedly connected to one end of the drive shaft, the outer edge of the second bevel gear is meshed with the outer edge of the first bevel gear, and the PLC controller is electrically connected to the servo motor through relays and contactors.

[0009] Preferably, the connecting member includes a sleeve, an embedded block is movably connected to one end of the inner cavity of the sleeve, a spring is fixedly connected to the other end of the inner cavity of the sleeve, and one end of the embedded block is fixedly connected to the second magnetic ring, and the corresponding surfaces of the first magnetic ring and the second magnetic ring attract each other.

[0010] Preferably, a cavity is provided inside the punch, oil filter holes are provided on both sides of the punch, and the oil filter holes are connected to the cavity inside the punch, and the bottom end of the oil filling pipe is connected to the cavity inside the punch.

[0011] Preferably, the inner wall of the fixed sleeve is interference fit with the outer side of the fixed plate, the inner wall of the fixed sleeve is transition fit with the outer side of the movable plate, and the corresponding surfaces of the fixed plate and the movable plate are transition fit.

[0012] Preferably, an anti-dropout sleeve is fixedly sleeved on the outer side of one end of the embedding block, an anti-dropout groove is provided on the inner wall of the sleeve, and the outer side of the anti-dropout sleeve and the inner wall of the anti-dropout groove are adapted to each other.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, when the stretching device is lubricated, the flow control mechanism is controlled by the PLC controller, and the flow control mechanism can adjust the speed of the lubricating oil circulation and open and close the valve, so that the stretching device can accurately control the injection amount of the lubricating oil according to the size of the product and the mold, thereby improving the practicality of the stretching device;

[0015] 2. In the utility model, when the stretching device needs to replace the lower mold, the installation and removal work can be completed by rotating the turntable with external force, making the installation and removal of the lower mold simpler and more efficient, and no tools are needed, thereby improving the efficiency of product production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is an exploded schematic diagram of the overall structure of the utility model;

[0018] Figure 3 It is a partial structural explosion diagram of the utility model;

[0019] Figure 4 For this utility model Figure 2 Schematic diagram of the overall structure of the middle punch;

[0020] Figure 5 For this utility model Figure 3 The overall structural section of the middle connector;

[0021] In the figure: 1. main body; 2. oil storage tank; 3. upper mold; 4. punch; 5. column; 6. connecting piece; 7. flow control mechanism; 8. lower mold; 21. PLC controller; 22. oil filling pipe; 51. linkage column; 52. turntable; 53. first magnetic ring; 61. sleeve; 62. embedded block; 63. spring; 64. second magnetic ring; 65. anti-slip sleeve; 66. anti-slip groove; 71. fixed sleeve; 72. fixed plate; 73. movable plate; 74. flow port; 75. first bevel gear; 76. servo motor; 77. drive shaft; 78. second bevel gear; 81. mounting groove; 82. connecting hole. DETAILED DESCRIPTION

[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0023] See also Figure 1-3 , the utility model provides a technical solution:

[0024] A resonant rod stretching die comprises a main body 1, an oil storage tank 2 is fixedly installed on the top of the main body 1, the inner cavity of the oil storage tank 2 is filled with lubricating oil, a PLC controller 21 is fixedly installed on one side of the oil storage tank 2, an oil injection pipe 22 is fixedly connected to the bottom of the oil storage tank 2, the inner cavity of the oil injection pipe 22 is provided with a flow control mechanism 7, an upper die 3 is fixedly installed on the top of the inner cavity of the main body 1, a punch 4 is fixedly installed on the bottom of the upper die 3, and two columns are fixedly connected to the bottom of the inner cavity of the main body 1 5, the inner cavity of the column 5 is movably connected with a linkage column 51, the bottom end of the linkage column 51 is fixedly connected with a turntable 52, the top outer side of the linkage column 51 is fixedly connected with four first magnetic rings 53, the top outer side of the column 5 is fixedly connected with four connecting members 6, the top of the column 5 is installed with a lower mold 8, the bottom of the lower mold 8 is provided with two mounting grooves 81, the top of the column 5 is located in the inner cavity of the mounting groove 81, and the inner wall of the mounting groove 81 is provided with four connecting holes 82.

[0025] In this embodiment, please refer to Figure 4 The flow control mechanism 7 includes a fixed sleeve 71, a fixed plate 72 is fixedly connected to the bottom inner wall of the fixed sleeve 71, a movable plate 73 is movably connected to the top inner wall of the fixed sleeve 71, and the surfaces of the fixed plate 72 and the movable plate 73 are provided with flow openings 74 that penetrate through them, a first bevel gear 75 is fixedly connected to the top of the movable plate 73, a servo motor 76 is fixedly connected to the top of the main body 1, a drive shaft 77 is fixedly connected to the output end of the servo motor 76, and a second bevel gear 78 is fixedly connected to one end of the drive shaft 77, and the outer edge of the second bevel gear 78 is meshed with the outer edge of the first bevel gear 75, and the PLC controller 21 is electrically connected to the servo motor 76 through relays and contactors.

[0026] In this embodiment, please refer to Figure 5 The connecting member 6 includes a sleeve 61, one end of the inner cavity of the sleeve 61 is movably sleeved with an embedded block 62, the other end of the inner cavity of the sleeve 61 is fixedly connected to a spring 63, and one end of the embedded block 62 is fixedly connected to a second magnetic ring 64. The corresponding surfaces of the first magnetic ring 53 and the second magnetic ring 64 attract each other, which is conducive to the generation of suction when the first magnetic ring 53 moves to the rear of the second magnetic ring 64, so that the second magnetic ring 64 drives the embedded block 62 to move backward and squeezes the spring 63 to deform it. When the first magnetic ring 53 leaves the rear of the second magnetic ring 64, the suction disappears, so that the spring 63 loses pressure and returns to its original state, and lifts up the embedded block 62 to move forward and return to its original position.

[0027] In this embodiment, please refer to Figure 2A cavity is formed inside the punch 4, and oil filter holes are formed on both sides of the punch 4, and the oil filter holes are connected to the cavity inside the punch 4. The bottom end of the oil filling pipe 22 is connected to the cavity inside the punch 4, which is conducive to inputting the lubricating oil into the cavity of the punch 4 through the oil filling pipe 22, and when the punch 4 stretches the product, the lubricating oil flows from the oil filter hole into the product and the lower mold to play a lubricating role.

[0028] In this embodiment, please refer to Figure 4 The inner wall of the fixed sleeve 71 has an interference fit with the outer side of the fixed plate 72, the inner wall of the fixed sleeve 71 has a transition fit with the outer side of the movable plate 73, and the corresponding surfaces of the fixed plate 72 and the movable plate 73 have a transition fit, which is beneficial for the valve to be in a closed state when the two flow ports 74 do not overlap at all, thereby preventing the lubricating oil from flowing through the gaps between the fixed sleeve 71, the fixed plate 72, and the movable plate 73.

[0029] In this embodiment, please refer to Figure 5 An anti-dropout sleeve 65 is fixedly sleeved on the outer side of one end of the embedded block 62, and an anti-dropout groove 66 is provided on the inner wall of the sleeve 61. The outer side of the anti-dropout sleeve 65 and the inner wall of the anti-dropout groove 66 are adapted to each other, which is beneficial for the anti-dropout sleeve 65 to move forward and backward along the inner wall of the anti-dropout groove 66 when the embedded block 62 moves back and forth along the inner cavity of the sleeve 61, thereby preventing the embedded block 62 from escaping from the inner cavity of the sleeve 61.

[0030] Working principle of this utility model:

[0031] Step 1, in the present invention, when the device is performing a stretching operation, an electrical signal is sent through the PLC controller 21 to control the servo motor 76, so that the servo motor 76 gives power to control the rotation of the drive shaft 77, and the second bevel gear 78 is driven to rotate by the rotation of the drive shaft 77. Since the outer edge of the second bevel gear 78 is meshed with the outer edge of the first bevel gear 75, when the second bevel gear 78 rotates, the first bevel gear 75 is driven to rotate, and the first bevel gear 75 is rotated to make the movable plate 73 rotate along the inner wall of the fixed sleeve 71. When the movable plate 73 rotates, the flow port 74 opened on the surface of the movable plate 73 is opened. The overlapping area of ​​the flow openings 74 opened on the surface of the fixed plate 72 changes. When the overlapping area of ​​the two flow openings 74 gradually becomes smaller, the speed at which the lubricating oil enters the cavity of the punch 4 through the oil injection pipe 22 becomes slower. When the overlapping area of ​​the two flow openings 74 gradually becomes larger, the speed at which the lubricating oil enters the cavity of the punch 4 through the oil injection pipe 22 becomes faster. When the overlapping area of ​​the two flow openings 74 is zero, the lubricating oil cannot enter the cavity of the punch 4. It is convenient to flexibly control the injection speed and injection amount of the lubricating oil according to the product processing model and the size of the lower mold to ensure that the lubricating oil is injected in an appropriate amount.

[0032] The second step is to rotate the rotating disk 52 to drive the linkage column 51 to rotate, thereby changing the position of the first magnetic ring 53. After the first magnetic ring 53 is moved to the rear of the connecting member 6 and corresponds to each other, the corresponding surfaces of the first magnetic ring 53 and the second magnetic ring 64 attract each other, so that the second magnetic ring 64 drives the embedded block 62 to move backward. The embedded block 62 moves backward to squeeze the spring 63 to deform it, and the embedded block 62 moves backward to separate it from the inner cavity of the connecting hole 82, so that the connection between the column 5 and the mounting groove 81 is disconnected, so that the lower mold 8 can be removed. During installation, the mounting groove 81 is re-connected with the column 5, and the rotating disk 52 is rotated again, so that the first magnetic ring 53 leaves the rear of the connecting member 6, so that the suction force between the first magnetic ring 53 and the second magnetic ring 64 disappears, and the spring 63 loses pressure and returns to its original state, thereby lifting the embedded block 62 to move it forward back to its original position, and the embedded block 62 moves forward to enter the inner cavity of the connecting hole 82 again, thereby completing the installation.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. The utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A resonant rod stretching die, comprising a main body (1), characterized in that: An oil storage tank (2) is fixedly mounted on the top of the main body (1), the inner cavity of the oil storage tank (2) is filled with lubricating oil, a PLC controller (21) is fixedly mounted on one side of the oil storage tank (2), an oil injection pipe (22) is fixedly connected to the bottom of the oil storage tank (2), the inner cavity of the oil injection pipe (22) is provided with a flow control mechanism (7), an upper mold (3) is fixedly mounted on the top of the inner cavity of the main body (1), a punch (4) is fixedly mounted on the bottom of the upper mold (3), two columns (5) are fixedly connected to the bottom of the inner cavity of the main body (1), and the columns (5) are The inner cavity is movably connected to a linkage column (51), the bottom end of the linkage column (51) is fixedly connected to a turntable (52), the top outer side of the linkage column (51) is fixedly connected to four first magnetic rings (53), the top outer side of the column (5) is fixedly connected to four connecting pieces (6), the top of the column (5) is installed with a lower mold (8), the bottom of the lower mold (8) is provided with two mounting grooves (81), the top of the column (5) is located in the inner cavity of the mounting groove (81), and the inner wall of the mounting groove (81) is provided with four connecting holes (82).

2. A resonant rod stretching die according to claim 1, characterized in that: The flow control mechanism (7) comprises a fixed sleeve (71), the bottom inner wall of the fixed sleeve (71) is fixedly connected to a fixed plate (72), the top inner wall of the fixed sleeve (71) is movably connected to a movable plate (73), the surfaces of the fixed plate (72) and the movable plate (73) are both provided with flow openings (74) penetrating through the fixed plate (72) and the movable plate (73), the top of the movable plate (73) is fixedly connected to a first bevel gear (75), the top of the main body (1) is fixedly connected to a servo motor (76), the output end of the servo motor (76) is fixedly connected to a drive shaft (77), one end of the drive shaft (77) is fixedly connected to a second bevel gear (78), the outer edge of the second bevel gear (78) is meshed with the outer edge of the first bevel gear (75), and the PLC controller (21) is electrically connected to the servo motor (76) via a relay and a contactor.

3. The resonant rod stretching die according to claim 1, characterized in that: The connecting member (6) comprises a sleeve (61), one end of the inner cavity of the sleeve (61) is movably sleeved with an embedding block (62), the other end of the inner cavity of the sleeve (61) is fixedly connected with a spring (63), one end of the embedding block (62) is fixedly connected with a second magnetic ring (64), and the corresponding surfaces of the first magnetic ring (53) and the second magnetic ring (64) attract each other.

4. The resonant rod stretching die according to claim 1, characterized in that: A cavity is formed inside the punch (4), oil filter holes are formed on both sides of the punch (4), and the oil filter holes are connected to the cavity inside the punch (4), and the bottom end of the oil filling pipe (22) is connected to the cavity inside the punch (4).

5. The resonant rod stretching die according to claim 2, characterized in that: The inner wall of the fixed sleeve (71) is interference-fitted with the outer side of the fixed plate (72), the inner wall of the fixed sleeve (71) is transitionally fitted with the outer side of the movable plate (73), and the corresponding surfaces of the fixed plate (72) and the movable plate (73) are transitionally fitted.

6. The resonant rod stretching die according to claim 3, characterized in that: An anti-dropout sleeve (65) is fixedly sleeved on the outer side of one end of the embedding block (62), an anti-dropout groove (66) is provided on the inner wall of the sleeve (61), and the outer side of the anti-dropout sleeve (65) and the inner wall of the anti-dropout groove (66) are mutually adapted.

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