CN113483935A - Full-automatic batch torsion value testing component for electric screwdriver - Google Patents
Full-automatic batch torsion value testing component for electric screwdriver Download PDFInfo
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- CN113483935A CN113483935A CN202110744366.XA CN202110744366A CN113483935A CN 113483935 A CN113483935 A CN 113483935A CN 202110744366 A CN202110744366 A CN 202110744366A CN 113483935 A CN113483935 A CN 113483935A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
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Abstract
The invention discloses a full-automatic batch torsion value testing component of an electric screwdriver, which comprises a substrate, wherein a fixed seat is fixedly arranged at the rear part of the upper end of the substrate, a rod-shaped even torsion sensor is fixed at the middle part of the front end of the fixed seat, a forward and reverse torsion uniform loading device is arranged at the front end of the torsion sensor, a forward and reverse rotation trigger device and a switch trigger device are fixedly arranged at the front part of the upper end of the substrate, a straight rod-type electric screwdriver is arranged between the forward and reverse rotation trigger device and the switch trigger device, a signal output end of the torsion sensor is electrically connected with a wire, and one end of the wire, far away from the torsion sensor, is electrically connected with a display. The full-automatic batch torsion value testing component for the electric screwdriver can test the torsion stability of the electric screwdriver in batches, collects temperature rise data in real time and further outputs the torsion value, does not need manual operation in the testing process, is high in automation degree, greatly improves testing efficiency and reduces testing cost.
Description
Technical Field
The invention relates to the technical field of torque force testing of electric screwdrivers, in particular to a full-automatic batch torque force value testing component for an electric screwdriver.
Background
At present, most of continuous copying tests of the electric screw driver are powered on and run in an idle mode, and comprehensive tests are manual tests. The complete performance index of the electric screwdriver cannot be tested in idle running, and the actual working condition cannot be simulated; the manual comprehensive test is limited to the influence of working states and emotions of personnel, and the manual operation is easy to fatigue for a long time, so that the stability and accuracy of a test result cannot be ensured. Particularly, when the production is carried out in a large scale, the batch test is time-consuming and labor-consuming, the product test cost is improved through all manual tests, and the manual tests are only used as sampling tests. No equipment for fully automated comprehensive testing of this product is found on the market either.
Disclosure of Invention
The invention mainly aims to provide a full-automatic batch torsion value testing component for an electric screwdriver, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a full-automatic batch torsion value testing component of an electric screwdriver comprises a substrate, wherein a fixed seat is fixedly installed at the rear part of the upper end of the substrate, a rod-shaped even torsion sensor is fixed at the middle part of the front end of the fixed seat, a forward and reverse torsion uniform loading device is arranged at the front end of the torsion sensor, a forward and reverse rotation trigger device and a switch trigger device are fixedly installed at the front part of the upper end of the substrate, a handle is connected in parallel with the front ends of the forward and reverse rotation trigger device and the switch trigger device, a straight-rod-type electric screwdriver is arranged between the forward and reverse rotation trigger device and the switch trigger device, an installation seat for fixing the straight-rod-type electric screwdriver is fixedly installed at the middle part of the upper end of the substrate, a signal output end of the torsion sensor is electrically connected with a lead, and one end of the lead, which is far away from the torsion sensor, is electrically connected with a display;
the positive and negative rotation torsion uniform loading device comprises a sleeve, a square hole for fixing the torsion sensor is arranged at one end of the sleeve close to the torsion sensor, external threads are carved on the front part of the outer surface of the sleeve, and the sleeve is connected with a locking nut through the external thread, the inner wall of the sleeve is carved with an internal thread, and the sleeve is connected with a driving nut through the internal thread, the middle part of the inner cavity of the driving nut is inserted with a hexagonal shaft in a sliding connection mode, the front end and the rear end of the driving nut are both fixedly provided with a plane bearing, a driving spring is respectively and fixedly arranged between the two plane bearings and the front side wall and the rear side wall of the inner cavity of the sleeve, a bearing seat is fixedly arranged at the front end of the hexagonal shaft, the bearing seat is fixed in the inner cavity of the sleeve by a locking nut, and the rear part of the outer surface of the hexagonal shaft is fixedly provided with an annular bearing, and the outer ring part of the annular bearing is fixedly arranged at the rear part of the inner wall of the sleeve.
Preferably, a coupler is fixedly connected between the rear end of the hexagonal shaft and a rotating shaft of the torque sensor, and the coupler is located in the square hole.
Preferably, the front end of the hexagonal shaft is fixedly connected with a flat square steel tube for fixing the straight rod type electric screwdriver.
Preferably, the mounting base comprises a top cover and a base, two connecting columns are symmetrically and fixedly mounted on the right side of the upper end face of the base, the top cover is rotatably connected between the two connecting columns, grooves used for fixing the straight-bar electric screwdriver are formed in the middle of the upper end of the base and the middle of the lower end of the top cover, a screw is fixedly mounted on the left portion of the upper end of the base, a butterfly nut is connected to the outer surface of the screw in a threaded mode, and a rectangular groove is formed in the position, corresponding to the screw, of the top cover.
Preferably, the handle includes the fixed plate, fixed plate front end middle part fixed mounting has the connecting axle, fixed plate rear end right part fixed mounting has first push rod, fixed plate rear end left part fixed mounting has the second push rod.
Preferably, switch trigger device includes the mounting panel, push rod hole has been seted up at the middle part of mounting panel, switch lever hole has been seted up to push rod hole left side wall, sliding mounting has the switch lever in the switch lever hole, the left end of switch lever runs through the mounting panel and extends to its left side and fixed mounting has the gum cover, switch lever surface right part fixed mounting has the baffle, common fixed mounting has coil spring between baffle and the switch lever hole right side wall, switch lever right-hand member movable mounting has first gyro wheel.
Preferably, an inclined plane is arranged on one side, close to the first roller, of the first push rod, the inclined plane is tightly attached to the outer surface of the first roller, and the spiral spring is always in a compression state.
Preferably, trigger device just reverses includes steadying plate and two slide bars, the anterior fixedly connected with fixed block of steadying plate left end, and fixed block and steadying plate be the integrated into one piece structure, steadying plate left end middle part is located same level and has seted up two mounting holes, two the slide bar right-hand member runs through two mounting holes respectively and extends to its left side, and two slide bar left end middle parts and has all seted up the mounting groove, two equal rotation installs the second gyro wheel, two in the mounting groove the equal fixed mounting in left end of slide bar has the limiting plate, and two limiting plates keep away from the equal fixed mounting of one end of slide bar has a rubber pad, two equal fixed mounting has buffer spring between the one end that the rubber pad was kept away from to the limiting plate and the mounting groove right side wall, and two buffer spring overlap respectively and locate two slide bars outsidely.
Preferably, the rear end of the second push rod penetrates through the fixing block, extends to the rear part of the fixing block and is in sliding connection with the fixing block, the second push rod is parallel to the stabilizing plate, and a triangular block is fixedly mounted on one side, close to the two rubber pads, of the outer surface of the second push rod.
Preferably, the handle is driven by any one of a cylinder, an oil cylinder, a cam and a crank-slider mechanism to reciprocate.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a full-automatic batch torsion value testing component of an electric screwdriver, which drives a handle to reciprocate by utilizing any one of an air cylinder, an oil cylinder, a cam and a slider-crank mechanism so as to uninterruptedly trigger a forward rotation switch, a reverse rotation switch and an operation switch of the electric screwdriver, and can accurately output the forward rotation torsion and the reverse rotation torsion of the electric screwdriver by utilizing a torsion sensor by virtue of a forward and reverse rotation torsion uniform loading device; in addition, in the actual use process, the full-automatic batch torsion value testing components of the electric screwdriver can be arranged on the rack in an array mode, the array quantity can be increased or decreased according to needs, further batch testing is achieved, the automation degree is high, the testing efficiency is greatly improved, and the testing cost is reduced.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a fully automatic batch torque value testing component of an electric screwdriver according to the present invention;
FIG. 2 is a sectional view showing the configuration of the loading device for the torque values of the electric screwdriver according to the present invention;
FIG. 3 is a schematic view of the overall structure of a fixing base of the automatic batch torsion value testing member of the electric screwdriver of the present invention;
FIG. 4 is a schematic view illustrating an installation position of a handle of a fully automatic batch torsion value testing member of an electric screwdriver according to the present invention;
FIG. 5 is a sectional view showing the construction of a switch activating device of a fully automatic batch torsion value testing member of an electric screwdriver according to the present invention;
FIG. 6 is a schematic partial sectional view of a forward/reverse rotation triggering device of the full-automatic batch torsion value testing component of the electric screwdriver according to the present invention;
fig. 7 is a schematic view of the mounting position of the triangular block of the fully automatic batch torsion value testing component of the electric screwdriver of the present invention.
In the figure: 1. a substrate; 2. a fixed seat; 3. a forward and reverse rotation torsion uniform loading device; 31. a sleeve; 32. a square hole; 33. a coupling; 34. a hexagonal shaft; 35. an annular bearing; 36. a drive nut; 37. a flat bearing; 38. a drive spring; 39. a bearing seat; 30. flat square steel pipes; 301. locking the nut; 4. a straight rod type electric screwdriver; 5. a mounting seat; 51. a base; 52. connecting columns; 53. a top cover; 54. a rectangular groove; 55. a screw; 56. a butterfly nut; 57. a groove; 6. a forward and reverse rotation triggering device; 60. a fixed block; 61. a stabilizing plate; 62. a slide bar; 63. mounting holes; 64. a limiting plate; 65. a rubber pad; 66. a buffer spring; 67. mounting grooves; 68. a second roller; 7. a wire; 8. a display; 9. a torque sensor; 10. a handle; 101. a fixing plate; 102. a first push rod; 103. a second push rod; 104. a connecting shaft; 105. a triangular block; 11. a switch triggering device; 111. mounting a plate; 112. a push rod aperture; 113. a bevel; 114. a switch lever hole; 115. a switch lever; 116. a rubber sleeve; 117. a first roller; 118. a baffle plate; 119. a coil spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, a full-automatic batch torsion value testing component for an electric screwdriver comprises a substrate 1, a fixed seat 2 is fixedly installed at the rear part of the upper end of the substrate 1, a rod-shaped even torsion sensor 9 is fixed at the middle part of the front end of the fixed seat 2, a forward and reverse torsion uniform loading device 3 is arranged at the front end of the torsion sensor 9, a forward and reverse rotation trigger device 6 and a switch trigger device 11 are fixedly installed at the front part of the upper end of the substrate 1, a handle 10 is connected in parallel with the front ends of the forward and reverse rotation trigger device 6 and the switch trigger device 11, a straight rod-type electric screwdriver 4 is arranged between the forward and reverse rotation trigger device 6 and the switch trigger device 11, an installation seat 5 for fixing the straight rod-type electric screwdriver 4 is fixedly installed at the middle part of the upper end of the substrate 1, a signal output end of the torsion sensor 9 is electrically connected with a wire 7, and one end of the wire 7, which is far away from the torsion sensor 9, is electrically connected with a display 8;
specifically, as shown in fig. 2, the positive and negative rotation torsion uniform loading device 3 includes a sleeve 31, one end of the sleeve 31 close to the torsion sensor 9 is provided with a square hole 32 for fixing the torsion sensor 9, the front portion of the outer surface of the sleeve 31 is carved with an external thread, the sleeve 31 is connected with a lock nut 301 through the external thread, the inner wall of the sleeve 31 is carved with an internal thread, the sleeve 31 is connected with a drive nut 36 through the internal thread, the middle portion of the inner cavity of the drive nut 36 is penetrated and slidably connected with a hexagonal shaft 34, the front end and the rear end of the drive nut 36 are both fixedly provided with a plane bearing 37, a drive spring 38 is respectively and fixedly arranged between the two plane bearings 37 and the front side wall and the rear side wall of the inner cavity of the sleeve 31, the front end of the hexagonal shaft 34 is fixedly provided with a bearing seat 39, the bearing seat 39 is fixed in the inner cavity of the sleeve 31 by the lock nut 301, the rear portion of the outer surface of the hexagonal shaft 34 is fixedly provided with an annular bearing 35, the outer ring part of the annular bearing 35 is fixedly arranged at the rear part of the inner wall of the sleeve 31; a coupler 33 is fixedly connected between the rear end of the hexagonal shaft 34 and the rotating shaft of the torque sensor 9, and the coupler 33 is positioned in the square hole 32; the front end of the hexagonal shaft 34 is fixedly connected with a flat square steel tube 30 for fixing the straight rod type electric screwdriver 4.
It can be seen that, when the straight-bar electric screwdriver 4 rotates forwards, the rectangular steel tube 30 drives the hexagonal shaft 34 to rotate forwards, the hexagonal shaft 34 drives the driving nut 36 to rotate forwards, then the driving nut 36 advances and compresses the driving spring 38 at the front part, so that the forward rotation torque force of the hexagonal shaft 34 is gradually increased, when the torque force of the hexagonal shaft 34 is increased to the torque force value set by the straight-bar electric screwdriver 4, the straight-bar electric screwdriver 4 stops braking, and at this time, the torque sensor 9 outputs the forward rotation torque force value, and the display 8 displays the numerical value; when the straight-bar type electric screwdriver 4 rotates reversely, the hexagonal shaft 34 is driven to rotate reversely, the driving nut 36 rotates reversely and retracts, the driving spring 38 at the rear part is compressed, the reverse torque force of the hexagonal shaft 34 is increased, when the reverse torque force of the hexagonal shaft 34 is increased to the torque force value set by the straight-bar type electric screwdriver 4, the straight-bar type electric screwdriver 4 stops braking, and the torque force sensor 9 outputs the reverse torque force value and displays the value through the display 8.
As shown in fig. 3, the mounting seat 5 includes a top cover 53 and a base 51, two connecting posts 52 are symmetrically and fixedly mounted on the right side of the upper end surface of the base 51, the top cover 53 is rotatably connected between the two connecting posts 52, grooves 57 for fixing the straight rod type electric screw driver 4 are respectively formed in the middle of the upper end of the base 51 and the middle of the lower end of the top cover 53, a screw 55 is fixedly mounted on the left portion of the upper end of the base 51, a butterfly nut 56 is connected to the outer surface of the screw 55 in a threaded manner, and a rectangular groove 54 is formed in the position of the top cover 53 corresponding to the screw 55.
It can be seen that the top cover 53 can be turned over, and when the top cover is turned over to the upper side of the base 51, the straight rod type electric screwdriver 4 can be fixed by the aid of the grooves 57 and the screws 55 and the wing nuts 56, so that the straight rod type electric screwdriver is prevented from being displaced in the testing process.
Referring to fig. 4-5, the handle 10 includes a fixing plate 101, a connecting shaft 104 is fixedly installed in the middle of the front end of the fixing plate 101, a first push rod 102 is fixedly installed on the right portion of the rear end of the fixing plate 101, and a second push rod 103 is fixedly installed on the left portion of the rear end of the fixing plate 101; the switch triggering device 11 comprises a mounting plate 111, a push rod hole 112 is formed in the middle of the mounting plate 111, a switch rod hole 114 is formed in the left side wall of the push rod hole 112, a switch rod 115 is slidably mounted in the switch rod hole 114, the left end of the switch rod 115 penetrates through the mounting plate 111 to extend to the left side of the mounting plate and is fixedly provided with a rubber sleeve 116, a baffle 118 is fixedly mounted at the right part of the outer surface of the switch rod 115, a spiral spring 119 is fixedly mounted between the baffle 118 and the right side wall of the switch rod hole 114 together, and a first idler wheel 117 is movably mounted at the right end of the switch rod 115; the first push rod 102 is provided with an inclined surface 113 on one side close to the first roller 117, and the inclined surface 113 clings to the outer surface of the first roller 117, and the spiral spring 119 is always in a compressed state.
It should be noted that, when the handle 10 moves backward, the inclined surface 113 of the first push rod 102 presses the first roller 117, so that the coil spring 119 is compressed, and the switch lever 115 extends out to press the operating switch of the straight electric screwdriver 4, so that it is opened; when the first push rod 102 moves backward, the inclined surface 113 retracts, the switch lever returns to the initial position by the coil spring 119, the operation switch of the straight-bar type electric screwdriver 4 is reset by its own spring, and the operation switch is turned off.
Referring to fig. 6-7, the forward/reverse rotation triggering device 6 includes a stabilizing plate 61 and two sliding rods 62, a fixing block 60 is fixedly connected to the front portion of the left end of the stabilizing plate 61, the fixed block 60 and the stabilizing plate 61 are of an integrated structure, the middle part of the left end of the stabilizing plate 61 is provided with two mounting holes 63 at the same horizontal height, the right ends of the two sliding rods 62 respectively penetrate through the two mounting holes 63 and extend to the left side of the two sliding rods, and the middle parts of the left ends of the two slide bars 62 are respectively provided with a mounting groove 67, the two mounting grooves 67 are respectively and rotatably provided with a second roller 68, the left ends of the two slide bars 62 are respectively and fixedly provided with a limit plate 64, rubber pads 65 are fixedly arranged at one ends of the two limit plates 64 far away from the slide rods 62, buffer springs 66 are fixedly arranged between the ends of the two limit plates 64 far away from the rubber pads 65 and the right side wall of the mounting groove 67, and the two buffer springs 66 are respectively sleeved outside the two slide rods 62; the rear end of the second push rod 103 penetrates through the fixing block 60, extends to the rear part of the fixing block and is connected with the fixing block in a sliding mode, the second push rod 103 is parallel to the stabilizing plate 61, and a triangular block 105 is fixedly installed on one side, close to the two rubber pads 65, of the outer surface of the second push rod 103.
It can be seen that when the second push rod 103 is moved by the handle 10, it first presses the second roller 68 on the front slide rod 62 by the inclined surface of the triangular block 105, and then extends the front slide rod 62, and triggers the forward rotation switch of the straight electric screwdriver 4, as the second push rod 103 continues to move backward, the triangular block 105 disengages from the second roller 68 on the front slide rod 62, the front slide rod 62 returns to the mounting hole 63 under the action of the buffer spring 66, the forward rotation switch of the straight electric screwdriver 4 is reset by its own spring, and is in a closed state, and as the second push rod 103 continues to move backward, the inclined surface of the triangular block 105 presses the second roller 68 on the rear slide rod 62, the rear slide rod 62 extends to trigger the reverse rotation switch, and the reverse rotation of the straight electric screwdriver 4 is realized, when the second push rod 103 returns under the driving of the handle 10, the reverse rotation switch is triggered first, and then the forward rotation switch is triggered, so as to realize the forward rotation torque test and the reverse rotation torque test of the straight rod type electric screwdriver 4.
In the invention, the handle 10 is driven by any one of the cylinder, the oil cylinder, the cam and the crank-slider mechanism to reciprocate; in addition, in the practical use process of the invention, the full-automatic batch torsion value testing components of the electric screwdriver can be arranged on the frame in an array mode, the array quantity can be increased or decreased according to the requirement, further batch testing is realized, the automation degree is high, the testing efficiency is greatly improved, and the testing cost is reduced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a full-automatic batch torsion value test component of electric screwdriver, includes base plate (1), its characterized in that: a fixed seat (2) is fixedly arranged at the rear part of the upper end of the base plate (1), a rod-shaped even torque sensor (9) is fixed in the middle of the front end of the fixed seat (2), the front end of the torsion sensor (9) is provided with a forward and reverse rotation torsion uniform loading device (3), a forward and reverse rotation trigger device (6) and a switch trigger device (11) are fixedly arranged at the front part of the upper end of the base plate (1), the front ends of the positive and negative rotation trigger device (6) and the switch trigger device (11) are connected in parallel with a handle (10), a straight rod type electric screwdriver (4) is arranged between the positive and negative rotation triggering device (6) and the switch triggering device (11), the middle part of the upper end of the base plate (1) is fixedly provided with a mounting seat (5) for fixing a straight rod type electric screwdriver (4), the signal output end of the torque sensor (9) is electrically connected with a lead (7), one end of the lead (7) far away from the torsion sensor (9) is electrically connected with a display (8);
the positive and negative rotation torsion uniform loading device (3) comprises a sleeve (31), one end of the sleeve (31) close to the torsion sensor (9) is provided with a square hole (32) for fixing the torsion sensor (9), the front part of the outer surface of the sleeve (31) is carved with an external thread, the sleeve (31) is connected with a locking nut (301) through the external thread, the inner wall of the sleeve (31) is carved with an internal thread, the sleeve (31) is connected with a driving nut (36) through the internal thread, the middle part of the inner cavity of the driving nut (36) is penetrated and slidably connected with a hexagonal shaft (34), the front end and the rear end of the driving nut (36) are both fixedly provided with a plane bearing (37), the two plane bearings (37) are respectively and fixedly provided with a driving spring (38) between the front side wall and the rear side wall of the inner cavity of the sleeve (31), and the front end of the hexagonal shaft (34) is fixedly provided with a bearing seat (39), the bearing seat (39) is fixed in the inner cavity of the sleeve (31) through a locking nut (301), the rear part of the outer surface of the hexagonal shaft (34) is fixedly provided with an annular bearing (35), and the outer ring part of the annular bearing (35) is fixedly arranged on the rear part of the inner wall of the sleeve (31).
2. The full-automatic batch torsion value testing component of the electric screwdriver according to claim 1, wherein: a coupler (33) is fixedly connected between the rear end of the hexagonal shaft (34) and a rotating shaft of the torque sensor (9), and the coupler (33) is located in the square hole (32).
3. The full-automatic batch torsion value testing component of the electric screwdriver according to claim 1, wherein: the front end of the hexagonal shaft (34) is fixedly connected with a flat square steel tube (30) used for fixing the straight rod type electric screwdriver (4).
4. The full-automatic batch torsion value testing component of the electric screwdriver according to claim 1, wherein: the mounting seat (5) comprises a top cover (53) and a base (51), two connecting columns (52) are symmetrically and fixedly mounted on the right side of the upper end face of the base (51), the top cover (53) is rotatably connected between the two connecting columns (52), a groove (57) used for fixing the straight-bar electric screwdriver (4) is formed in the middle of the upper end of the base (51) and the middle of the lower end of the top cover (53), a screw rod (55) is fixedly mounted on the left portion of the upper end of the base (51), a butterfly nut (56) is connected to the outer surface of the screw rod (55) in a threaded mode, and a rectangular groove (54) is formed in the position, corresponding to the screw rod (55), of the top cover (53).
5. The full-automatic batch torsion value testing component of the electric screwdriver according to claim 1, wherein: the handle (10) comprises a fixing plate (101), a connecting shaft (104) is fixedly mounted in the middle of the front end of the fixing plate (101), a first push rod (102) is fixedly mounted at the right of the rear end of the fixing plate (101), and a second push rod (103) is fixedly mounted at the left of the rear end of the fixing plate (101).
6. The full-automatic batch torsion value testing component of the electric screwdriver according to claim 1, wherein: switch trigger device (11) include mounting panel (111), push rod hole (112) have been seted up at the middle part of mounting panel (111), switch lever hole (114) have been seted up to push rod hole (112) left side wall, slidable mounting has switch lever (115) in switch lever hole (114), the left end of switch lever (115) runs through mounting panel (111) and extends to its left side and fixed mounting has gum cover (116), switch lever (115) surface right part fixed mounting has baffle (118), common fixed mounting has coil spring (119) between baffle (118) and switch lever hole (114) right side wall, switch lever (115) right-hand member movable mounting has first gyro wheel (117).
7. The full-automatic batch torsion value testing component of the electric screwdriver according to claim 5, wherein: an inclined surface (113) is arranged on one side, close to the first roller (117), of the first push rod (102), the inclined surface (113) is tightly attached to the outer surface of the first roller (117), and the spiral spring (119) is in a compressed state all the time.
8. The full-automatic batch torsion value testing component of the electric screwdriver according to claim 1, wherein: the positive and negative rotation triggering device (6) comprises a stabilizing plate (61) and two sliding rods (62), wherein a fixed block (60) is fixedly connected to the front portion of the left end of the stabilizing plate (61), the fixed block (60) and the stabilizing plate (61) are of an integrated structure, two mounting holes (63) are formed in the middle of the left end of the stabilizing plate (61) at the same level, the right ends of the two sliding rods (62) respectively penetrate through the two mounting holes (63) and extend to the left side of the sliding rods, mounting grooves (67) are formed in the middle of the left ends of the two sliding rods (62), second rollers (68) are rotatably mounted in the mounting grooves (67), limiting plates (64) are fixedly mounted at the left ends of the two sliding rods (62), rubber pads (65) are fixedly mounted at one ends of the two limiting plates (64) far away from the sliding rods (62), and buffer springs (66) are fixedly mounted between the right side walls of the mounting grooves (67), and the two buffer springs (66) are respectively sleeved outside the two sliding rods (62).
9. The full-automatic batch torsion value testing component of the electric screwdriver according to claim 5, wherein: the rear end of the second push rod (103) penetrates through the fixing block (60) and extends to the rear part of the fixing block and is connected with the fixing block in a sliding mode, the second push rod (103) is parallel to the stabilizing plate (61), and a triangular block (105) is fixedly installed on one side, close to the two rubber pads (65), of the outer surface of the second push rod (103).
10. The full-automatic batch torsion value testing component of the electric screwdriver according to claim 1, wherein: the handle (10) is driven by any one of the cylinder, the oil cylinder, the cam and the crank slider mechanism to do reciprocating motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110744366.XA CN113483935A (en) | 2021-07-01 | 2021-07-01 | Full-automatic batch torsion value testing component for electric screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110744366.XA CN113483935A (en) | 2021-07-01 | 2021-07-01 | Full-automatic batch torsion value testing component for electric screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113483935A true CN113483935A (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110744366.XA Withdrawn CN113483935A (en) | 2021-07-01 | 2021-07-01 | Full-automatic batch torsion value testing component for electric screwdriver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114158757A (en) * | 2021-12-13 | 2022-03-11 | 安徽天邦生物技术有限公司 | Feed production stirring and subpackaging device and subpackaging method thereof |
-
2021
- 2021-07-01 CN CN202110744366.XA patent/CN113483935A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114158757A (en) * | 2021-12-13 | 2022-03-11 | 安徽天邦生物技术有限公司 | Feed production stirring and subpackaging device and subpackaging method thereof |
| CN114158757B (en) * | 2021-12-13 | 2023-03-10 | 安徽天邦生物技术有限公司 | Feed production stirring and subpackaging device and subpackaging method thereof |
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Application publication date: 20211008 |
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