CN216759746U - Clamp for press mounting screws of circuit board - Google Patents
Clamp for press mounting screws of circuit board Download PDFInfo
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- CN216759746U CN216759746U CN202123400772.9U CN202123400772U CN216759746U CN 216759746 U CN216759746 U CN 216759746U CN 202123400772 U CN202123400772 U CN 202123400772U CN 216759746 U CN216759746 U CN 216759746U
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- movable rod
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Abstract
The utility model discloses a clamp for press mounting screws on a circuit board, which comprises: the press is provided with a rack and a pressing device arranged on the rack; the pressing head is arranged on the pressing device and comprises a connecting part, a main body part, a transition part, a pressing part and a central positioning part which are sequentially connected from top to bottom; an annular groove is formed in the middle of the outer side wall of the connecting part; the diameter of the cross section of the main body part is larger than that of the cross section of the connecting part; the outer side wall of the transition part is gradually reduced from the main body part to the direction of the pressure applying part; the diameter of the cross section of the pressure applying part is the same as that of the cross section of the lower end of the transition part; the lower end surface of the pressure applying part is provided with a pressure applying plane, the middle of the pressure applying plane is connected with a central positioning part, and the diameter of the cross section of the central positioning part is smaller than that of the pressure applying part. The utility model has the beneficial effects that: the automatic screw pressing machine has the advantages of being simple in operation, convenient for screw pressing, capable of reducing labor intensity, more labor-saving, simple in structure and long in service life.
Description
Technical Field
The utility model relates to the technical field of clamps for press mounting screws of circuit boards.
Background
In the PCB circuit board trade, need press the screw into the hole of PCB circuit board many times, the technological means that adopts at present strikes for the manual work and enters, later for improving maneuverability, it is more convenient, alleviate manpower intensity of labour, avoid current bad electronic component on hole next door of crushing, also avoid pressing askewly simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides the PCB which has the advantages of simple operation, convenient screw pressing, labor intensity reduction, more labor saving, simple structure and long service life.
The technical scheme adopted by the utility model is as follows:
the anchor clamps of circuit board pressure equipment screw, it includes:
the press is provided with a rack and a pressing device arranged on the rack;
the pressing head is arranged on the pressing device and comprises a connecting part, a main body part, a transition part, a pressing part and a central positioning part which are sequentially connected from top to bottom; the connecting part is cylindrical; an annular groove is formed in the middle of the outer side wall of the connecting part; the main body part is cylindrical, and the diameter of the cross section of the main body part is larger than that of the cross section of the connecting part; the transition part is conical, and the outer side wall of the transition part is gradually reduced from the main body part to the direction of the pressure applying part; the pressure applying part is cylindrical, and the diameter of the cross section of the pressure applying part is the same as that of the cross section of the lower end of the transition part; the lower end face of the pressure applying part is provided with a pressure applying plane, the middle of the pressure applying plane is connected with a central positioning part, the central positioning part is cylindrical, and the diameter of the cross section of the central positioning part is smaller than that of the cross section of the pressure applying part.
The lower end of the central positioning part is connected with a guiding part, and the guiding part is gradually reduced from the lower end surface of the central positioning part.
The frame arranged on the press comprises a frame body, a swing handle, a movable rod and a spring; the platform surface at the lower end of the frame body is provided with a fixed hinge shaft at the upper end of the frame body; the fixed hinge shaft extends out from the frame body to two sides; the middle of the frame body is provided with a limit sleeve; one end of the rocking handle is connected with the fixed hinge shaft at the upper end of the frame body; the movable rod is inserted into the limiting sleeve, the lower end of the movable rod is arranged below the limiting sleeve, and the upper end of the movable rod is arranged above the limiting sleeve; the upper end of the movable rod is provided with a pushing part, and the two side ends of the pushing part are provided with movable hinge shafts; the lower end of the movable rod is provided with an inserting hole, the side wall of the lower end of the movable rod is provided with a screw hole, and the screw hole is communicated with the inserting hole; the connecting part of the pressure head is inserted into the inserting hole, the screw hole is provided with a bolt, and the bolt penetrates through the screw hole to press the annular groove on the side wall of the connecting part; the cross section of the pushing part is larger than that of the limiting sleeve; the spring is sleeved on the movable rod, the spring is arranged between the limiting sleeve and the pushing part, and the diameter of the cross section of the pushing part is larger than that of the cross section of the spring; a through hole is formed in the middle of the rocker handle, and the movable hinge shaft penetrates through the through hole.
One end of the handle is manually pressed downwards, the handle rotates around the fixed hinge shaft, the movable hinge shaft is pressed downwards by the handle at the perforated position, the pushing part is pressed downwards, the movable rod moves downwards, the pushing part pushes the spring to compress, and the movable rod moves from the limit sleeve. The press head is locked in the insertion hole by the bolt. The pressure head is down pressed by the movable rod, and the connection position of pressure head can conveniently be installed on the press, also conveniently disassembles out simultaneously, only needs to unscrew the bolt, also the annular groove does not block by the bolt, because can break away from out in following the patchhole. The transition part is used for transiting the main body part to the pressing part, the lower end face of the pressing part presses the upper end face of the screw, namely the upper end face of the pressing screw presses the hole of the PCB substrate to perform pressing operation, the central positioning part is inserted into the middle part of the screw when the pressing part does not contact the upper end face of the screw, the screw is prevented from displacing towards the side edge, if the displacement occurs, the pressing screw is possible to cause, the screw is not pressed into the hole of the PCB substrate, and the PCB substrate is crushed.
The utility model has the beneficial effects that: the automatic screw pressing device has the advantages of being simple in operation, convenient for pressing screws, capable of reducing labor intensity, more labor-saving, simple in structure and long in service life.
Drawings
FIG. 1 is a first schematic diagram of the present invention; schematic diagram of pressure head structure principle
FIG. 2 is a schematic diagram II of the structural principle of the present invention; the cross section of the pressure head is shown as a first schematic diagram;
FIG. 3 is a schematic diagram III of the structural principle of the present invention; a schematic cross-sectional view II of the pressure head;
fig. 4 is a schematic diagram of the structural principle of the present invention, i.e., the overall structural principle.
Detailed Description
As shown in fig. 1, 2, 3 and 4, the clamp for press-fitting screws on a circuit board of the present invention comprises:
the press is provided with a frame 2 and a pressing device arranged on the frame 2;
the pressing head 1 is arranged on the pressing device and comprises a connecting part 11, a main body part 12, transition parts 13 and 14 and a central positioning part 15 which are sequentially connected from top to bottom; the connecting portion 11 is cylindrical; an annular groove 111 is formed in the middle of the outer side wall of the connecting part 11; the main body part 12 is cylindrical, and the diameter of the cross section of the main body part 12 is larger than that of the cross section of the connecting part 11; the transition part 13 is conical, and the outer side wall of the transition part 13 is gradually reduced from the main body part 12 to the 14 direction; 14 is cylindrical, and the diameter of the cross section of 14 is the same as that of the cross section of the lower end of the transition part 13; the lower end face of the 14 is provided with a pressing plane, the middle of the pressing plane is connected with a central positioning part 15, the central positioning part 15 is cylindrical, and the cross section diameter of the central positioning part 15 is smaller than that of the 14.
The lower end of the center positioning portion 15 is connected to a guide portion 16, and the guide portion 16 is gradually reduced from the lower end surface of the center positioning portion 15.
The outer surface of the central positioning part and the guiding part combination is provided with a buffer material layer 17.
The frame 2 arranged on the press comprises a frame body, a swing handle 3, a movable rod 4 and a spring 5; a platform surface 21 at the lower end of the frame body and a fixed hinge shaft 22 arranged at the upper end of the frame body; the fixed hinge shafts 22 extend from the frame body to both sides; the middle of the frame body is provided with a limit sleeve 23; one end of the rocker handle 3 is connected with a fixed hinge shaft 22 at the upper end of the frame body; the movable rod 4 is inserted into the limiting sleeve 23, the lower end of the movable rod 4 is arranged below the limiting sleeve 23, and the upper end of the movable rod 4 is arranged above the limiting sleeve 23; the upper end of the movable rod 4 is provided with a pushing part 41, and two side ends of the pushing part 41 are provided with movable hinge shafts 42; the lower end of the movable rod 4 is provided with an insertion hole, the side wall of the lower end of the movable rod 4 is provided with a screw hole 43, and the screw hole 43 is communicated with the insertion hole; the connecting part 11 of the pressure head 1 is inserted into the inserting hole, the bolt 6 is arranged on the screw hole 43, and the bolt 6 passes through the screw hole 43 to press the annular groove 111 on the side wall of the connecting part 11; the cross section of the pushing part 41 is larger than that of the limiting sleeve 23; the spring 5 is sleeved on the movable rod 4, the spring 5 is arranged between the limiting sleeve 23 and the pushing part 41, and the diameter of the cross section of the pushing part 41 is larger than that of the cross section of the spring 5; the toggle handle 3 is provided with a through hole 31 in the middle, and the movable hinge shaft 42 passes through the through hole 31.
One end of the handle 3 is manually pressed downward, the handle 3 is rotated around the fixed hinge shaft 22, the swing hinge shaft 42 is pressed downward by the handle 3 at the perforation 31, the push portion 41 is pressed downward, the movable rod 4 is moved downward, the push portion 41 pushes the spring 5 to be compressed, and the movable rod 4 is moved from the stopper sleeve 23. The pressure head 1 is locked in the insertion hole by the bolt 6. The pressure head 1 is pushed down by the movable rod 4, the connecting part 11 of the pressure head 1 can be conveniently installed on the press, and meanwhile, the pressure head 1 can be conveniently disassembled, only the bolt 6 needs to be unscrewed, namely, the annular groove 111 is not clamped by the bolt 6, and the pressure head can be separated from the inserting hole. The transition part 13 is used for transiting the main body part 12 to 14, the lower end face of 14 is pressed with the upper end face of the screw, namely, the upper end face of the screw is pressed to press the hole of the PCB substrate 5 for pressing, the central positioning part 15 is the middle part of the screw 9 which is inserted when the screw 14 is not contacted with the upper end face of the screw, the screw 9 is prevented from displacing towards the side, if the displacement occurs, the screw 9 is likely to be pressed, and the screw 9 is not pressed into the hole 7 of the PCB substrate 5, but the PCB substrate 5 is crushed. The middle of the screw is an inner thread space 8. This way crushing of the electronic component 6 is avoided. The cross-sectional diameter of the pressure application site does not touch the electronic component 6.
The utility model has the beneficial effects that: the automatic screw pressing machine has the advantages of being simple in operation, convenient for screw pressing, capable of reducing labor intensity, more labor-saving, simple in structure and long in service life.
Claims (3)
1. The anchor clamps of circuit board pressure equipment screw, its characterized in that includes:
the press is provided with a rack and a pressing device arranged on the rack;
the pressing head is arranged on the pressing device and comprises a connecting part, a main body part, a transition part, a pressing part and a central positioning part which are sequentially connected from top to bottom; the connecting part is cylindrical; an annular groove is formed in the middle of the outer side wall of the connecting part; the main body part is cylindrical, and the diameter of the cross section of the main body part is larger than that of the cross section of the connecting part; the transition part is conical, and the outer side wall of the transition part is gradually reduced from the body part to the direction of the pressure applying part; the pressure applying part is cylindrical, and the diameter of the cross section of the pressure applying part is the same as that of the cross section of the lower end of the transition part; the lower end face of the pressure applying part is provided with a pressure applying plane, the middle of the pressure applying plane is connected with a central positioning part, the central positioning part is cylindrical, and the diameter of the cross section of the central positioning part is smaller than that of the pressure applying part.
2. A circuit board press-fitting screw clamp according to claim 1, wherein: the lower end of the central positioning part is connected with a guiding part, and the guiding part gradually shrinks from the lower end surface of the central positioning part downwards.
3. A circuit board screw press-fitting clamp according to claim 2, wherein: the frame arranged on the press comprises a frame body, a swing handle, a movable rod and a spring; the platform surface at the lower end of the frame body is provided with a fixed hinge shaft at the upper end of the frame body; the fixed hinge shaft extends out from the frame body to two sides; the middle of the frame body is provided with a limit sleeve; one end of the rocking handle is connected with the fixed hinge shaft at the upper end of the frame body; the movable rod is inserted into the limiting sleeve, the lower end of the movable rod is arranged below the limiting sleeve, and the upper end of the movable rod is arranged above the limiting sleeve; the upper end of the movable rod is provided with a pushing part, and the two side ends of the pushing part are provided with movable hinge shafts; the lower end of the movable rod is provided with an insertion hole, the side wall of the lower end of the movable rod is provided with a screw hole, and the screw hole is communicated with the insertion hole; the connecting part of the pressure head is inserted into the inserting hole, the screw hole is provided with a bolt, and the bolt penetrates through the screw hole to press the annular groove on the side wall of the connecting part; the cross section of the pushing part is larger than that of the limiting sleeve; the spring is sleeved on the movable rod, the spring is arranged between the limiting sleeve and the pushing part, and the diameter of the cross section of the pushing part is larger than that of the cross section of the spring; a through hole is formed in the middle of the rocker handle, and the movable hinge shaft penetrates through the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400772.9U CN216759746U (en) | 2021-12-31 | 2021-12-31 | Clamp for press mounting screws of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400772.9U CN216759746U (en) | 2021-12-31 | 2021-12-31 | Clamp for press mounting screws of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216759746U true CN216759746U (en) | 2022-06-17 |
Family
ID=81970198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123400772.9U Active CN216759746U (en) | 2021-12-31 | 2021-12-31 | Clamp for press mounting screws of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216759746U (en) |
-
2021
- 2021-12-31 CN CN202123400772.9U patent/CN216759746U/en active Active
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