A resistor plastic sealing device

Abstract

The utility model relates to the field of resistors, and in particular to a resistor plastic sealing device. It includes a bottom plate; a placement plate is provided above the bottom plate. Multiple shells are placed on the placement plate. An injection molding component is arranged on the bottom plate and is used to inject plastic into the multiple shells. A vibration component is arranged between the bottom plate and the placement plate to drive the placement plate to vibrate. And a sealing component is arranged on both sides of the placement plate and cooperates with the vibration component to seal the upper end openings of the multiple shells. The utility model starts a driving mechanism to drive the rotating shaft to rotate, thereby driving the eccentric shaft to rotate, and then the placement plate drives the shell to vibrate, and the plastic sealing material in the shell is vibrated evenly, so as to completely encapsulate the resistor body, thereby improving the protection performance of the plastic sealing material on the resistor body, and thereby improving the stability and service life of the resistor. The sealing component prevents the plastic sealing material filled in the shell from splashing out during the vibration process, and the resistor body cannot be completely encapsulated.

Description

Technical Field

[0001] The utility model relates to the field of resistors, in particular to a resistor plastic sealing device. Background Art

[0002] The plastic encapsulation of resistors usually involves encapsulating the resistor body in a plastic shell or a plastic box. The plastic encapsulation of resistors is an important protection measure that can ensure the stable operation of resistors in various environments and extend their service life.

[0003] The Chinese patent document with authorization announcement number CN212421953U proposes a new type of aluminum shell plastic-sealed resistor plastic sealing mold, including a second mold, a third mold, a fourth mold, and a fifth mold overlapped in sequence from top to bottom. The second mold is provided with a material trough, the third mold is provided with a feed column, and the fifth mold is provided with a support column. The resistor is placed on the fourth mold, and the feed column, the resistor and the support column are coaxial in the vertical direction to ensure that the resistor body is centered in the shell.

[0004] In the above application, although the problems of loose assembly between the plastic sealing material and the shell of the aluminum shell plastic-sealed resistor and poor surface quality of the plastic sealing are solved, and the product production efficiency is improved, due to the poor fluidity of the plastic sealing material, the device cannot ensure that the plastic sealing material is evenly filled in the shell, and there may be gaps between the plastic sealing material and the resistor body, which may cause the stability of the internal structure of the resistor to decrease and affect the service life of the resistor. Utility Model Content

[0005] In view of the problems existing in the background technology, a resistor plastic sealing device is proposed.

[0006] The utility model proposes a resistor plastic sealing device, which cooperates with a shell, and through grooves are provided at both ends of the shell, and a resistor body is placed inside; pins passing through the through grooves are provided at both ends of the resistor body. The resistor plastic sealing device includes a bottom plate; a placement plate is provided above the bottom plate. Multiple shells are placed on the placement plate. An injection molding component is arranged on the bottom plate and is used to inject molding into multiple shells. A vibration component is arranged between the bottom plate and the placement plate and drives the placement plate to vibrate. And a sealing component is arranged on both sides of the placement plate and cooperates with the vibration component to seal the upper end openings of multiple shells.

[0007] Preferably, the vibration assembly includes fixed seats symmetrically arranged on both sides of the bottom plate; a rotating shaft is connected between the fixed seats on both sides for common rotation; one end of the rotating shaft is connected to the driving mechanism, and an eccentric eccentric shaft is connected to the side wall.

[0008] Preferably, a plurality of springs are connected between the bottom plate and the placement plate; a limiting cylinder connected to the upper end of the bottom plate is sleeved on the outer side of the spring.

[0009] Preferably, the upper end of the placement plate is provided with a plurality of placement grooves adapted to the lower end of the shell; and the plurality of shells are placed in the placement grooves in a one-to-one correspondence.

[0010] Preferably, the closing component includes a telescopic mechanism symmetrically arranged on the placement plate; the telescopic ends of the two telescopic mechanisms are commonly connected to a limiting plate; a sliding groove is provided at the side wall of the limiting plate; a closing plate is slidably connected to the sliding groove; the end of the closing plate facing away from the outer shell is connected to a limiting strip, and the end close to the outer shell is connected to a connecting plate; a spring 2 is connected between the connecting plate and the limiting plate; rotating columns are respectively provided at both ends of the limiting plate; and the limiting frame is rotatably connected between the two rotating columns.

[0011] Preferably, the two limiting plates are respectively fitted with the two end surfaces of the shell.

[0012] Preferably, a plurality of card slots corresponding to the placement slots are formed at the lower end of the limiting plate; the card slots are opposite to the through slots one by one, and the widths thereof are the same as the diameter of the pins.

[0013] Preferably, the injection molding assembly includes a fixing frame arranged at the upper end of the base plate; a telescopic mechanism 2 is provided on the fixing frame; the telescopic end of the telescopic mechanism 2 is connected to a material box; and a plurality of injection molding ports corresponding one to one with the outer shell are provided at the lower end of the material box.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] (1) The resistor plastic sealing device drives the rotating shaft to rotate by starting the driving mechanism, thereby driving the eccentric shaft to rotate, and then the placement plate drives the shell to vibrate, so that the plastic sealing material in the shell is vibrated evenly, so as to completely seal the resistor body, thereby improving the protection performance of the plastic sealing material on the resistor body, and thereby improving the stability and service life of the resistor.

[0016] (2) The resistor plastic sealing device starts the telescopic mechanism 1 to drive the limit plate down, then rotates the limit frame and releases the limit frame from limiting the closing plate, so that the spring 2 rebounds and drives the closing plate to move toward the shell, and then the closing plates on both sides jointly close the upper end opening of the shell. This prevents the plastic sealing material filled in the shell from splashing out during the vibration process, which makes it impossible to completely seal the resistor body and increases the cleaning burden of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is the overall structure orientation diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the vibration component of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the closed component structure Figure 1 ;

[0021] Figure 5 The utility model is a schematic diagram of the closed component structure Figure 2 .

[0022] : 1. bottom plate; 2. placement plate; 201. placement slot; 3. shell; 301. through slot; 4. resistor; 5. vibration assembly; 51. fixed seat; 52. driving mechanism; 53. rotating shaft; 54. eccentric shaft; 55. spring; 56. limiting cylinder; 6. closing assembly; 61. telescopic mechanism 1; 62. limiting plate; 63. slot; 64. slide slot; 65. closing plate; 66. limiting strip; 67. connecting plate; 68. spring; 69. rotating column; 610. limiting frame; 7. injection molding assembly; 71. fixed frame; 72. telescopic mechanism 2; 73. material box; 74. injection molding port. DETAILED DESCRIPTION

[0023] like Figure 1-5 As shown, a resistor plastic sealing device proposed by the utility model cooperates with a shell 3, and through grooves 301 are provided at both ends of the shell 3, and a resistor body 4 is placed inside; pins passing through the through grooves 301 are provided at both ends of the resistor body 4. The resistor plastic sealing device includes a bottom plate 1; a placement plate 2 is provided above the bottom plate 1. Multiple shells 3 are placed on the placement plate 2. An injection molding component 7 is arranged on the bottom plate 1 and is used to inject molding into the multiple shells 3. A vibration component 5 is arranged between the bottom plate 1 and the placement plate 2 to drive the placement plate 2 to vibrate. And a sealing component 6 is arranged on both sides of the placement plate 2 and cooperates with the vibration component 5 to seal the upper end openings of the multiple shells 3.

[0024] Further explanation, the vibration assembly 5 includes fixed seats 51 symmetrically arranged on both sides of the bottom plate 1; a rotating shaft 53 is connected to the fixed seats 51 on both sides for common rotation; one end of the rotating shaft 53 is connected to a driving mechanism 52 (driving mechanism 52 is a motor), and an eccentric eccentric shaft 54 ​​is connected to the side wall. The placement plate 2 can be repeatedly vibrated up and down, so that the plastic sealing material filled in the shell 3 is vibrated evenly, so as to completely encapsulate the resistor body 4, thereby improving the protective performance of the plastic sealing material on the resistor body 4, and thereby improving the stability and service life of the resistor.

[0025] Further explanation, a plurality of springs 55 are connected between the bottom plate 1 and the placement plate 2; a limiting cylinder 56 connected to the upper end of the bottom plate 1 is sleeved outside the spring 55. The placement plate 2 is supported and the vibration of the placement plate 2 is buffered. The setting of the limiting cylinder 56 can limit the spring 55 to prevent the spring 55 from deflecting.

[0026] To further explain, the upper end of the placement plate 2 is provided with a plurality of placement grooves 201 adapted to the lower end of the shell 3 ; and the plurality of shells 3 are placed in the placement grooves 201 in a one-to-one correspondence.

[0027] Further explanation, the closing component 6 includes a telescopic mechanism 61 (the telescopic mechanism 61 is a cylinder) symmetrically arranged on the placement plate 2; the telescopic ends of the two telescopic mechanisms 61 are connected to a limit plate 62; a slide groove 64 is provided at the side wall of the limit plate 62; a closing plate 65 is slidably connected to the slide groove 64; the end of the closing plate 65 away from the shell 3 is connected to a limit strip 66, and the end close to the shell 3 is connected to a connecting plate 67; a spring 68 is connected between the connecting plate 67 and the limit plate 62; a rotating column 69 is provided at both ends of the limit plate 62; and the two rotating columns 69 are connected to a limit frame 610 for rotation. The upper end opening of the shell 3 can be closed to prevent the plastic sealing material filled in the shell 3 from splashing out during the oscillation process, and the resistor body 4 cannot be completely encapsulated, which also increases the cleaning burden of the staff. During injection molding, the closing plate 65 can be pulled apart to both sides, and the closing plate 65 is limited to prevent it from interfering with the injection molding process.

[0028] Further explanation, the two limit plates 62 are respectively fitted with the two end surfaces of the housing 3. The lower end of the limit plate 62 is provided with a plurality of slots 63 corresponding to the placement slots 201; the slots 63 are opposite to the through slots 301, and their width is the same as the diameter of the pin. In cooperation with the placement slots 201, the housing 3 is fixed to prevent the housing 3 from being shaken off the placement plate 2 during vibration. In addition, the pins set on the resistor 4 can be just engaged in the slots 63, so that the limit plate 62 closes the through slot 301 to prevent the filling material from overflowing from the through slot 301.

[0029] Further explanation, the injection molding assembly 7 includes a fixing frame 71 arranged at the upper end of the bottom plate 1; a telescopic mechanism 72 (the telescopic mechanism 72 is a cylinder) is arranged on the fixing frame 71; a material box 73 is connected to the telescopic end of the telescopic mechanism 72, and the material box 73 is filled with plastic sealing material; a plurality of injection molding ports 74 corresponding to the shells 3 are arranged at the lower end of the material box 73, and a valve is arranged in the injection molding port 74. Multiple shells 3 can be injection molded at the same time, which speeds up the injection molding process and improves the injection molding efficiency.

[0030] The working principle of the utility model is as follows: when working, firstly, a plurality of shells 3 are placed in the placement groove 201 in sequence, then the telescopic mechanism 2 72 is started, so that the injection port 74 is close to the shell 3, and then the valve in the injection port 74 is started, and the plastic sealing material in the material box 73 is filled into the shell 3. Then, the telescopic mechanism 1 61 is started to retract its telescopic end, drive the limit plate 62 to descend, and make the pins at both ends of the resistor body 4 be clamped into the corresponding clamping groove 63, and then the limit frame 610 is rotated and the limit frame 610 is released from the restriction of the closing plate 65, so that the spring 2 68 rebounds and drives the closing plate 65 to move in the direction of the shell 3, and then the closing plates 65 on both sides jointly close the upper end opening of the shell 3. Finally, the driving mechanism 52 is started to drive the rotating shaft 53 to rotate, thereby driving the eccentric shaft 54 ​​to rotate, and then the placement plate 2 drives the shell 3 to vibrate, and the plastic sealing material in the shell 3 is shaken evenly, so that the resistor body 4 is completely encapsulated, thereby improving the protective performance of the plastic sealing material on the resistor body 4, and thereby improving the stability and service life of the resistor.

[0031] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A resistor plastic sealing device, matched with a housing (3), wherein both ends of the housing (3) are provided with through slots (301), and a resistor body (4) is placed inside; both ends of the resistor body (4) are provided with pins passing through the through slots (301); characterized in that: The resistor plastic packaging device includes A bottom plate (1); a placement plate (2) is provided above the bottom plate (1); a plurality of housings (3) are placed on the placement plate (2); An injection molding component (7) is arranged on the base plate (1) and is used for injection molding into the plurality of housings (3); A vibration component (5) is arranged between the bottom plate (1) and the placement plate (2) and drives the placement plate (2) to vibrate; And a sealing component (6) is arranged on both sides of the placement plate (2) and cooperates with the vibration component (5) to seal the upper end openings of the multiple shells (3).

2. A resistor plastic sealing device according to claim 1, characterized in that: The vibration assembly (5) comprises fixed seats (51) symmetrically arranged on both sides of the bottom plate (1); a rotating shaft (53) is rotatably connected between the fixed seats (51) on both sides; one end of the rotating shaft (53) is connected to a driving mechanism (52), and an eccentric eccentric shaft (54) is connected to the side wall.

3. A resistor plastic sealing device according to claim 2, characterized in that: A plurality of springs (55) are connected between the bottom plate (1) and the placement plate (2); a limiting cylinder (56) connected to the upper end of the bottom plate (1) is sleeved on the outer side of the spring (55).

4. A resistor plastic sealing device according to claim 1, characterized in that: The upper end of the placement plate (2) is provided with a plurality of placement grooves (201) adapted to the lower ends of the shells (3); the plurality of shells (3) are placed in the placement grooves (201) in a one-to-one correspondence.

5. A resistor plastic sealing device according to claim 4, characterized in that: The closing component (6) comprises a telescopic mechanism (61) symmetrically arranged on the placement plate (2); the telescopic ends of the two telescopic mechanisms (61) are commonly connected to a limiting plate (62); a sliding groove (64) is provided on the side wall of the limiting plate (62); a closing plate (65) is slidably connected to the sliding groove (64); the end of the closing plate (65) facing away from the shell (3) is connected to a limiting strip (66), and the end close to the shell (3) is connected to a connecting plate (67); a spring (68) is connected between the connecting plate (67) and the limiting plate (62); rotating columns (69) are respectively provided at both ends of the limiting plate (62); and the two rotating columns (69) are commonly rotatably connected to a limiting frame (610).

6. A resistor plastic sealing device according to claim 5, characterized in that: The two limiting plates (62) are respectively fitted with the two end surfaces of the outer shell (3).

7. A resistor plastic sealing device according to claim 6, characterized in that: The lower end of the limiting plate (62) is provided with a plurality of clamping grooves (63) corresponding one-to-one to the placement grooves (201); the clamping grooves (63) are opposite one-to-one to the through grooves (301), and their widths are the same as the diameter of the pins.

8. The resistor plastic sealing device according to claim 1, characterized in that: The injection molding assembly (7) comprises a fixing frame (71) arranged at the upper end of the bottom plate (1); a second telescopic mechanism (72) is arranged on the fixing frame (71); the telescopic end of the second telescopic mechanism (72) is connected to a material box (73); and a plurality of injection molding ports (74) corresponding one to one with the outer shell (3) are arranged at the lower end of the material box (73).

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