CN111098123A - Semi-automatic screw locking machine - Google Patents
Semi-automatic screw locking machine Download PDFInfo
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- CN111098123A CN111098123A CN202010051630.7A CN202010051630A CN111098123A CN 111098123 A CN111098123 A CN 111098123A CN 202010051630 A CN202010051630 A CN 202010051630A CN 111098123 A CN111098123 A CN 111098123A
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 24
- 230000003993 interaction Effects 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 13
- 241000220317 Rosa Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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Abstract
The invention discloses a semi-automatic screw locking machine, belonging to the technical field of screw locking machines, which comprises an aluminum alloy frame, wherein the middle part of the front side of the aluminum alloy frame is connected with a jacking mechanism through a bolt, the jacking mechanism comprises a bottom plate, the front side and the rear side of the top of the bottom plate are both connected with mounting plates through bolts, the middle part of the top of the bottom plate is connected with a jacking cylinder through a bolt, the top of the output end of the jacking cylinder is sleeved with a first floating joint, the top of the first floating joint is connected with a jacking platform through a bolt, the middle parts of the left side and the right side of the top of the bottom plate are both supported with positioning cylindrical pins, a body of the bottom plate is in a rectangular shape and movably inserted with four groups of guide shafts, the top of each guide shaft is supported at the bottom of the jacking platform, the device can clamp a workpiece stably enough, and cannot lead the screw to be, the screwdriver head does not slip in the process of locking the screw.
Description
Technical Field
The invention relates to the technical field of screw locking machines, in particular to a semi-automatic screw locking machine.
Background
The screw locking machine can replace the manual work to carry out efficient locking screw operation as the equipment that carries out screw locking to the work piece, in order to further promote locking screw's efficiency, just needs to carry out further optimization of structure to the screw locking machine to make the screw locking machine have more smoothly and the performance of efficient locking screw, then semi-automatic screw locking machine also should deliver to and take place.
However, the conventional device has the problems that the clamping stability of the workpiece is not enough, so that the locking screw is easy to fail, the workpiece is damaged due to the over-tightening of the screw in the screw locking process, and the screw is not locked due to insufficient torque.
Disclosure of Invention
The invention aims to provide a semi-automatic screw locking machine, which aims to solve the problems that the clamping stability of a workpiece is not enough, so that a locking screw is easy to fail, the workpiece is damaged due to over-tightening of the screw in the screw locking process, and the screw is not locked due to insufficient torsion.
In order to achieve the purpose, the invention provides the following technical scheme: the semi-automatic screw locking machine comprises an aluminum alloy framework, wherein the middle part of the front side of the aluminum alloy framework is connected with a jacking mechanism through a bolt, the jacking mechanism comprises a bottom plate, the front side and the rear side of the top of the bottom plate are both connected with mounting plates through bolts, the middle part of the top of the bottom plate is connected with a jacking cylinder through a bolt, the top of the output end of the jacking cylinder is sleeved with a first floating joint, the top of the first floating joint is connected with a jacking platform through a bolt, the middle parts of the left side and the right side of the top of the bottom plate are both supported with positioning cylindrical pins, the body of the bottom plate is rectangular and movably inserted with four groups of guide shafts, the tops of the guide shafts are supported at the bottom of the jacking platform, the front side and the rear side of the jacking mechanism are both provided with a clamping mechanism, the clamping mechanism comprises a fixing plate, the output end of the positioning cylinder is sleeved with a second floating joint at one end close to the positioning cylindrical pin, one end of the second floating joint close to the positioning cylindrical pin is connected with a connecting plate through a screw, the left end and the right end of the connecting plate at one end far away from the second floating joint are connected with a positioning block through screws, the left side and the right side of the other end of the connecting plate are fixedly inserted with guide rods, the other ends of the guide rods are movably inserted in a fixed plate, the upper part of the front side of the aluminum alloy frame is connected with a screw locking mechanism through bolts, the screw locking mechanism comprises a support, the front side of the support is connected with a linear guide rail through screws, the front side of the linear guide rail is connected with an upper connecting table through a sliding block, the rear side of the support is connected with an upper cylinder and a lower cylinder through screws, the top of the output end of the upper cylinder and, the top of the torque sensor is connected with a planetary reduction gearbox through a first coupler, the top of the planetary reduction gearbox is connected with a servo motor through a screw, a driven shaft is fixedly inserted in the bottom of the torque sensor, the outer wall of the upper portion of the driven shaft is connected with a spring through a second coupler, the spring is sleeved on the outer wall of the driven shaft, the bottom of the spring is connected with a movable shell through a screw, the movable shell is sleeved on the outer wall of the driven shaft, a bearing is movably sleeved on the outer wall of the lower portion of the driven shaft, a lower connecting table is fixedly sleeved on the outer wall of the bearing and connected to the lower portion of the front side of a support through a screw, a screwdriver head is fixedly inserted in the bottom of the driven shaft, a man-machine interaction platform is installed at the top of the aluminum alloy frame through an installation rod, and, Location cylinder, jacking cylinder electric connection, fixed the pegging graft in aluminum alloy frame's top has the three-colour warning light, and three-colour warning light and human-computer interaction platform electric connection, aluminum alloy frame's bottom four corners all supports there is the bracing piece.
Preferably, a linear bearing with a flange is installed at the joint of the guide shaft and the bottom plate, and a linear bearing is installed at the joint of the guide rod and the fixing plate.
Preferably, the second coupling is a universal coupling.
Preferably, the triangular support frame is welded to the rear side of the bracket.
Preferably, four groups of universal wheels are installed at the bottom of the aluminum alloy frame in a rectangular shape.
Preferably, the outer wall of the supporting rod is provided with a thread, and the outer wall of the bottom of the supporting rod is connected with a ground foot in a threaded manner.
Compared with the prior art, the invention has the beneficial effects that:
1) when the external tray carrier carries a workpiece to reach a designated position, the tray carrier and the workpiece are jacked and positioned by the jacking mechanism, then the positioning cylinder of the clamping mechanism is pushed out to clamp the workpiece tightly by the positioning block, and the workpiece can be stably clamped by matching the two groups of clamping mechanisms, so that the workpiece is stable in the process of screwing the screw;
2) according to the principle of acting force and reacting force, when the screw is screwed down, the screw gives the driven shaft a reacting force through the screwdriver head, the magnitude of the reacting force is detected through the torque sensor, the servo motor stops rotating when a set torque value is reached, and the screw is prevented from being screwed down too tightly to damage a workpiece;
3) the movable shell supports on the bearing, and the spring can be compressed when the screwdriver head pushes down to give first holding down force of screwdriver, when the screwdriver head rose, the spring kick-backed gradually, thereby guaranteed that the screwdriver head received a holding down force all the time and does not skid at the lock screw in-process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the jacking mechanism of the present invention;
FIG. 3 is an enlarged view of the left side of the clasping mechanism of the present invention;
FIG. 4 is a rear view of the screw locking mechanism of the present invention;
FIG. 5 is a left side view of the screw locking mechanism of the present invention;
FIG. 6 is an enlarged view of the structure between the screwdriver head and the servo motor according to the present invention.
In the figure: the device comprises an aluminum alloy frame 1, a jacking mechanism 2, a mounting plate 21, a jacking cylinder 22, a jacking platform 23, a positioning cylindrical pin 24, a guide shaft 25, a linear bearing 26 with a flange, a holding mechanism 3, a fixing plate 31, a positioning cylinder 32, a second floating joint 33, a positioning block 34, a guide rod 35, a linear bearing 36, a screw locking mechanism 4, a support 41, a linear guide rail 42, an upper cylinder 43 and a lower cylinder 43, a servo motor 44, a planetary reduction gearbox 45, a torsion sensor 46, a spring 47, a bearing 48, a screwdriver head 49, a second coupler 410, a triangular support frame 411, a mounting rod 5, a human-computer interaction platform 6, a three-color warning lamp 7, four universal wheels 8, feet 9 and support rods 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-6, the present invention provides a technical solution: a semi-automatic screw locking machine comprises an aluminum alloy frame 1, the middle part of the front side of the aluminum alloy frame 1 is connected with a jacking mechanism 2 through a bolt, the jacking mechanism 2 comprises a bottom plate, the front side and the rear side of the top of the bottom plate are both connected with a mounting plate 21 through a bolt, the middle part of the top of the bottom plate is connected with a jacking cylinder 22 through a bolt, the top of the output end of the jacking cylinder 22 is sleeved with a first floating joint, the output end of the jacking cylinder 22 can jack a jacking platform 23 through the first floating joint, the top of the first floating joint is connected with the jacking platform 23 through a bolt, the middle parts of the left side and the right side of the top of the bottom plate are both supported with positioning cylindrical pins 24, the positioning cylindrical pins 24 correspond to positioning holes at the bottom of an external tray carrier and are used for stably jacking the external tray carrier, so that the workpiece at the top of the, the top of the guide shaft 25 is supported at the bottom of the jacking platform 23, the guide shaft 25 ensures that the jacking platform 23 cannot deviate in the lifting process, and further ensures the stability of the workpiece in the lifting process, the front side and the rear side of the jacking mechanism 2 are both provided with the clasping mechanism 3, the clasping mechanism 3 comprises a fixed plate 31, the fixed plate 31 is connected with one end of the mounting plate 21 away from the bottom plate through a bolt, the upper part of the fixed plate 31 is fixedly inserted with a positioning cylinder 32, one end of the output end of the positioning cylinder 32, which is close to the positioning cylindrical pin 24, is sleeved with a second floating joint 33, one end of the second floating joint 33, which is close to the positioning cylindrical pin 24, is connected with a connecting plate through a screw, the output end of the positioning cylinder 32 pushes the connecting plate to move back and forth through the second floating joint 33, the left, the four groups of positioning blocks 34 on the front side and the rear side stably clamp the workpiece, guide rods 35 are fixedly inserted on the left side and the right side of the other end of the connecting plate, the other ends of the guide rods 35 are movably inserted in the fixing plate 31, and the guide rods 35 ensure the stability of the moving process of the connecting plate.
The upper part of the front side of the aluminum alloy frame 1 is connected with a screw locking mechanism 4 through a bolt, the screw locking mechanism 4 comprises a support 41, the front side of the support 41 is connected with a linear guide rail 42 through a screw, the front side of the linear guide rail 42 is connected with an upper connecting platform through a sliding block, the rear side of the support 41 is connected with an upper air cylinder 43 through a screw, the top of the output end of the upper air cylinder 43 is connected with the upper connecting platform through a connecting piece, the output end of the upper air cylinder 43 drives the upper connecting platform to move up and down through the linear guide rail 42, the body of the upper connecting platform is rectangular and fixedly inserted with four groups of torque sensors 46, the torque sensors 46 are DYN-200 type torque sensors, sensing is sensitive, the top of the torque sensors 46 is connected with a planetary reduction gearbox 45 through a first coupler, the top of the planetary reduction gearbox 45, so that the rotating speed of the screwed screw is stable, the bottom of the torque sensor 46 is fixedly inserted with a driven shaft, the outer wall of the upper part of the driven shaft is connected with a spring 47 through a second coupler 410, the spring 47 is sleeved on the outer wall of the driven shaft, the bottom of the spring 47 is connected with a movable shell through a screw, the movable shell is sleeved on the outer wall of the driven shaft, a bearing 48 is movably sleeved on the outer wall of the lower part of the driven shaft, the bearing 48 fixes the relative position of the driven shaft, the deviation in the rotating process of the driven shaft is prevented, the stability of the driven shaft in rotating is improved, a lower connecting platform is fixedly sleeved on the outer wall of the bearing 48, the lower connecting platform is connected to the lower part of the front side of the bracket 41 through a screw, a screwdriver head 49 is fixedly inserted at the bottom of the driven shaft, the screwdriver head 49 is used for screwing the screw, go up lower cylinder 43, location cylinder 32, jacking cylinder 22 electric connection, all electronic component of human-computer interaction platform 6 adoption known circuit control principle control, the fixed grafting in top of aluminum alloy frame 1 has three-colour warning light 7, and three-colour warning light 7 scintillation suggestion when the machine trouble, and three-colour warning light 7 and human-computer interaction platform 6 electric connection, the bottom four corners of aluminum alloy frame 1 all supports has bracing piece 10.
Wherein, the connection part of the guide shaft 25 and the bottom plate is provided with a linear bearing 26 with a flange, and the connection part of the guide rod 35 and the fixed plate 31 is provided with a linear bearing 36, so that the relative movement process of the guide shaft 25 and the guide rod 35 is smoother.
The second coupling 410 is a universal coupling capable of adapting to the deformation of the spring 47.
The triangular support bracket 411 is welded to the rear side of the bracket 41, so that the structural strength of the bracket 41 is improved.
Four groups of universal wheels 8 are installed at the bottom of the aluminum alloy frame 1 in a rectangular shape, and the device can move through the universal wheels 8.
The outer wall of the supporting rod 10 is provided with threads, the outer wall of the bottom of the supporting rod 10 is connected with the ground feet 9 in a threaded mode, and the ground feet 9 are screwed upwards through the supporting rod 10 to enable the universal wheels 8 to be grounded so that the whole device can be moved.
The working principle is as follows: the electronic components of the whole device are connected with an external power supply, a man-machine interaction platform 6 controls all the electronic components by adopting a known circuit control principle, a workpiece is placed on an external tray carrier, the tray carrier is carried to the top of a jacking platform 23 through an external production line, a jacking cylinder 22 is started, the output end of the jacking cylinder 22 can jack the jacking platform 23 through a first floating joint, a positioning cylindrical pin 24 corresponds to a positioning hole at the bottom of the external tray carrier and is used for stably jacking the external tray carrier, so that the workpiece lifting process at the top of the tray carrier is ensured to be stable, a guide shaft 25 ensures that the lifting process of the jacking platform 23 cannot deviate, then a positioning cylinder 32 is started, the output end of the positioning cylinder 32 pushes a connecting plate to move back and forth through a second floating joint 33 so as to drive positioning blocks 34 at the left end and the right end to move back and forth, four groups of positioning blocks 34, the guide rod 35 ensures the stability of the moving process of the connecting plate, the output end of the upper and lower air cylinders 43 drives the upper connecting platform to move downwards to the screwdriver head 49 through the linear guide rail 42 to be contacted with the screw on the workpiece, the servo motor 44 is started to drive the driven shaft to rotate so as to drive the screwdriver head 49 to rotate, the planetary reduction gearbox 45 reduces the speed of the servo motor 44, so that the rotating speed of the screwed screw is stable, the movable shell is supported on the bearing 48, the spring 47 can be compressed when the screwdriver head 49 is pressed downwards so as to provide a downward pressure for the screwdriver head 49, when the screwdriver head 49 is lifted, the spring 47 rebounds gradually, the screwdriver head 49 is ensured to be always subjected to a downward pressure so as not to slip in the screw locking process, through the principle of the acting force and the reacting force, the screw provides the driven shaft with a reacting force through the screwdriver head 49 when the screw is screwed, the magnitude, when the set torsion value is reached, an electric signal is sent to the human-computer interaction platform 6, the human-computer interaction platform 6 obtains the electric signal translation and then controls the servo motor 44 to stop rotating, the situation that the screw is screwed too tightly to damage a workpiece is avoided, and the situation that the screw is not locked due to insufficient torsion is avoided.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Semi-automatic lock screw machine, including aluminum alloy frame (1), its characterized in that: the aluminum alloy frame is characterized in that the middle of the front side of the aluminum alloy frame (1) is connected with a jacking mechanism (2) through a bolt, the jacking mechanism (2) comprises a bottom plate, the front side and the rear side of the top of the bottom plate are connected with mounting plates (21) through bolts, the middle of the top of the bottom plate is connected with a jacking cylinder (22) through a bolt, the top of the output end of the jacking cylinder (22) is sleeved with a first floating joint, the top of the first floating joint is connected with a jacking platform (23) through a bolt, the middle of the left side and the right side of the top of the bottom plate are respectively supported with a positioning cylindrical pin (24), the body of the bottom plate is movably inserted with four groups of guide shafts (25) in a rectangular shape, the top of each guide shaft (25) is supported at the bottom of the jacking platform (23), the front side and the rear side of, the fixing plate (31) is connected to one end, far away from the bottom plate, of the mounting plate (21) through a bolt, a positioning cylinder (32) is fixedly inserted into the upper portion of the fixing plate (31), a second floating joint (33) is sleeved at one end, close to the positioning cylindrical pin (24), of the output end of the positioning cylinder (32), a connecting plate is connected to one end, close to the positioning cylindrical pin (24), of the second floating joint (33) through a bolt, a positioning block (34) is connected to the left end and the right end, far away from one end of the second floating joint (33), of the connecting plate, guide rods (35) are fixedly inserted into the left side and the right side of the other end of the connecting plate, the other end of each guide rod (35) is movably inserted into the fixing plate (31), a screw locking mechanism (4) is connected to the upper portion of the front side of the aluminum alloy frame (, the front side of the support (41) is connected with a linear guide rail (42) through a screw, the front side of the linear guide rail (42) is connected with an upper connecting table through a sliding block, the rear side of the support (41) is connected with an upper air cylinder (43) and a lower air cylinder (43) through screws, the top of the output end of the upper air cylinder (43) and the top of the output end of the lower air cylinder (43) are connected with the upper connecting table through connecting pieces, the body of the upper connecting table is rectangular and fixedly inserted with four groups of torque sensors (46), the top of each torque sensor (46) is connected with a planetary reduction gearbox (45) through a first coupler, the top of each planetary reduction gearbox (45) is connected with a servo motor (44) through a screw, the bottom of each torque sensor (46) is fixedly inserted with a driven shaft, the outer wall of the upper part of the, the bottom of the spring (47) is connected with a movable shell through a screw, the movable shell is sleeved on the outer wall of the driven shaft, a bearing (48) is movably sleeved on the outer wall of the lower part of the driven shaft, a lower connecting platform is fixedly sleeved on the outer wall of the bearing (48), the lower connecting platform is connected with the lower part of the front side of the bracket (41) through a screw, a screwdriver head (49) is fixedly inserted at the bottom of the driven shaft, the top of the aluminum alloy frame (1) is provided with a man-machine interaction platform (6) through a mounting rod (5), and the man-machine interaction platform (6) is respectively and electrically connected with the torque sensor (46), the upper and lower cylinders (43), the positioning cylinder (32) and the jacking cylinder (22), the top of the aluminum alloy frame (1) is fixedly inserted with a three-color warning lamp (7), and three-colour warning lamp (7) and man-machine interaction platform (6) electric connection, the bottom four corners of aluminum alloy frame (1) all supports has bracing piece (10).
2. The semi-automatic screw locking machine of claim 1, wherein: the connecting part of the guide shaft (25) and the bottom plate is provided with a linear bearing (26) with a flange, and the connecting part of the guide rod (35) and the fixing plate (31) is provided with a linear bearing (36).
3. The semi-automatic screw locking machine of claim 1, wherein: the second coupling (410) is a universal coupling.
4. The semi-automatic screw locking machine of claim 1, wherein: the rear side of the bracket (41) is welded with a triangular support frame (411).
5. The semi-automatic screw locking machine of claim 1, wherein: four groups of universal wheels (8) are installed at the bottom of the aluminum alloy frame (1) in a rectangular shape.
6. The semi-automatic screw locking machine of claim 1, wherein: the outer wall of the supporting rod (10) is carved with threads, and the outer wall of the bottom of the supporting rod (10) is connected with ground feet (9) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010051630.7A CN111098123A (en) | 2020-01-17 | 2020-01-17 | Semi-automatic screw locking machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010051630.7A CN111098123A (en) | 2020-01-17 | 2020-01-17 | Semi-automatic screw locking machine |
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| CN111098123A true CN111098123A (en) | 2020-05-05 |
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| CN202010051630.7A Pending CN111098123A (en) | 2020-01-17 | 2020-01-17 | Semi-automatic screw locking machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059981A (en) * | 2020-09-30 | 2020-12-11 | 广东博智林机器人有限公司 | Locking device and production transportation line with same |
| CN113909832A (en) * | 2021-09-06 | 2022-01-11 | 广州创研智能科技有限公司 | Pole-mounted switch fastening workstation and pole-mounted switch production line |
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| CN113909832A (en) * | 2021-09-06 | 2022-01-11 | 广州创研智能科技有限公司 | Pole-mounted switch fastening workstation and pole-mounted switch production line |
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