CN111745610A

CN111745610A - A positioning fixture for hardware processing

Info

Publication number: CN111745610A
Application number: CN202010655017.6A
Authority: CN
Inventors: 李平
Original assignee: Guiyang Pinchuang Technology Co ltd
Current assignee: Guiyang Pinchuang Technology Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-10-09

Abstract

The invention relates to the technical field of hardware processing, and discloses a positioning fixture for hardware processing, which comprises a first side plate and a second side plate which are correspondingly arranged, wherein three groups of clamping mechanisms are arranged between the first side plate and the second side plate in a triangular manner, first electric push rods are arranged between the first side plate and the clamping mechanisms, a triangular toothed rail is arranged on the surface of the first side plate, a driving belt matched with the toothed rail is arranged on the inner side of the side surface of the first side plate, three traveling gears are correspondingly arranged between the toothed rail and the driving belt in a triangular manner, and three driving gears are correspondingly arranged on the inner side wall of the driving belt in a triangular manner. This design is through adopting rotatory alternating fixture, realizes the centre gripping, processing, the unloading integration to the hardware, need not many people and operates, and intelligent centre gripping, unloading have improved the machining efficiency of hardware moreover to when having improved the centre gripping fastness, also avoid damaging the hardware.

Description

A positioning fixture for hardware processing

Technical Field

The invention relates to the technical field of hardware processing, in particular to a positioning clamp for hardware processing.

Background

Hardware is a tool obtained by processing and casting metal such as gold, silver, copper, iron, tin, etc., and is used for fixing, processing, decorating, etc. The hardware still need carry out certain processing just can become final product to its surface after the shaping die-casting, and in the course of working, is indispensable to hardware location clamping device's application.

However, the existing hardware positioning clamp is manually operated to clamp, after the hardware is machined, the hardware is removed from clamping, then another hardware is clamped, the operation is too complicated, although electric clamping is also available, the clamping is also removed after the hardware is clamped, positioned and machined, and another hardware is machined. Accordingly, a positioning jig for hardware processing is provided by those skilled in the art to solve the problems set forth in the above background art.

Disclosure of Invention

The invention aims to provide a positioning fixture for hardware processing, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a positioning fixture for hardware processing comprises a first side plate and a second side plate which are correspondingly arranged, wherein a workbench is arranged on the front side of the first side plate and the front side of the second side plate, three groups of clamping mechanisms are arranged between the first side plate and the second side plate in a triangular mode, each group of clamping mechanisms is correspondingly provided with two groups, first electric push rods are arranged between the first side plate and the clamping mechanisms, the first side plate and the second side plate are identical in structure, a triangular toothed rail is arranged on the surface of the first side plate, a driving belt matched with the toothed rail is arranged on the inner side of the side face of the first side plate, three walking gears are arranged between the toothed rail and the driving belt in a triangular mode, three driving gears are arranged on the inner side wall of the driving belt in a triangular mode, one end of each driving gear is connected with a fixing rod, and a fixing plate is arranged on the outer, the inner side of the first side plate is located on the outer side of the toothed rail and is provided with a sliding rail, the sliding rail is connected with a limiting sliding block in a sliding mode, one end of the limiting sliding block is connected with a connecting rod, the clamping mechanism comprises a main clamping plate connected to one end of a first electric push rod, and two side clamping plates are correspondingly connected to two ends of the main clamping plate.

As a further scheme of the invention: be provided with a plurality of second electric putter between main cardboard and the side cardboard, and the one end department that the side of main cardboard corresponds second electric putter has seted up the hold up tank, the one end of second electric putter extends to inside and fixed connection of hold up tank, the other end of second electric putter is connected with the side of side cardboard, the medial surface middle part embedding of main cardboard is provided with pressure sensor, the one end medial surface of side cardboard is provided with the block rubber.

As a still further scheme of the invention: the side clamping plate and the main clamping plate are fixedly connected through a second electric push rod, the clamping mechanism is of a structure, the middle of the side face of the walking gear is connected with a rotating rod, and one end of the rotating rod is rotatably connected with the first electric push rod.

As a still further scheme of the invention: one end of the connecting rod is rotatably connected with the limiting slide block, the other end of the connecting rod is rotatably connected with the first electric push rod, the outer diameter of the limiting slide block is matched with the inner diameter of the sliding rail, and the number of the limiting slide blocks is the same as that of the first electric push rods.

As a still further scheme of the invention: the side of first curb plate and second curb plate is located the three corner outside of cogged rail and all is provided with infrared receiver, the one end both sides face and the lower surface of first electric putter correspond infrared receiver department respectively and all imbed and are provided with infrared emitter.

As a still further scheme of the invention: the utility model discloses a belt conveyor, including fixed plate, drive motor, belt roller, driven belt roller, driving motor's medial surface middle part is provided with driving motor, driving motor's output is connected with main belt roller, the one end of dead lever is connected with drive gear, and the other end of dead lever rotates with the fixed plate to be connected, the middle part of dead lever is provided with driven belt roller, the belt has been cup jointed to the surface of driven belt roller, driven belt roller is connected through the belt with main belt roller, the fixed plate is.

As a still further scheme of the invention: the inner side face and the outer side face of the driving belt and the inner side face of the rack are respectively provided with teeth, the teeth on the surface of the walking gear are respectively matched with the teeth on the inner surface of the rack and the outer surface of the driving belt, and the teeth on the surface of the driving gear are matched with the teeth on the inner surface of the driving belt.

As a still further scheme of the invention: the number of the fixed rods is the same as that of the driving gears and the walking gears, the driving belt is connected with the fixed plates through the fixed rods and the driving gears, and the outer surface of the driving belt is in meshed connection with the inner surface of the rack through the walking gears.

As a still further scheme of the invention: the lower extreme corner of first curb plate and second curb plate all is provided with the landing leg, a side of workstation is provided with the switch board, and the front surface of workstation is provided with a plurality of and stores the cabinet.

Compared with the prior art, the invention has the beneficial effects that: the invention designs a positioning fixture for hardware processing, in actual operation, the integration of clamping, processing and blanking of hardware can be realized by adopting a rotary alternative clamping mechanism design, multi-person operation is not needed, the intelligent clamping and blanking are realized, the processing efficiency of the hardware is improved, the labor force of workers is reduced, the electric push rod is adopted to be matched with a pressure sensor, the multi-direction clamping of the hardware is realized, the clamping firmness is improved, the hardware is prevented from being damaged, and the processing efficiency of the hardware is further improved.

Drawings

FIG. 1 is a schematic structural diagram of a positioning fixture for hardware processing;

FIG. 2 is a schematic view showing the installation of an infrared receiver in a positioning jig for hardware processing;

FIG. 3 is an enlarged view of part A of a positioning fixture for hardware machining;

FIG. 4 is a schematic diagram of the operation of a driving belt and a traveling gear in a positioning fixture for hardware processing;

fig. 5 is a schematic structural diagram of a clamping mechanism in a positioning fixture for hardware processing.

In the figure: 1. a first side plate; 2. a second side plate; 3. a clamping mechanism; 4. a first electric push rod; 5. a rack rail; 6. a traveling gear; 7. fixing the rod; 8. a drive belt; 9. a fixing plate; 10. a control cabinet; 11. a support leg; 12. a work table; 13. a slide rail; 14. a drive motor; 15. a connecting rod; 16. a drive gear; 17. a limiting slide block; 18. a rotating rod; 19. an infrared receiver; 71. a main belt roller; 72. a driven belt roller; 73. a belt; 31. a main clamping plate; 32. a side clamping plate; 33. a second electric push rod; 34. a rubber block; 35. a pressure sensor.

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.

Referring to fig. 1 to 5, in the embodiment of the present invention, a positioning fixture for hardware processing includes a first side plate 1 and a second side plate 2 which are correspondingly disposed, a workbench 12 is disposed on the front side of the first side plate 1 and the second side plate 2, three sets of clamping mechanisms 3 are disposed between the first side plate 1 and the second side plate 2 in a triangular manner, two clamping mechanisms 3 are correspondingly disposed each set, a first electric push rod 4 is disposed between each of the first side plate 1 and the second side plate 2 and the clamping mechanism 3, the first side plate 1 and the second side plate 2 have the same structure, a triangular rack 5 is disposed on the surface of the first side plate 1, a driving belt 8 adapted to the rack 5 is disposed on the inner side of the first side plate 1, three traveling gears 6 are correspondingly disposed between the rack 5 and the driving belt 8 in a triangular manner, three driving gears 16 are correspondingly disposed on the inner side wall of the driving belt 8 in a triangular manner, one end of the driving gear 16 is connected with a fixing rod 7, the outer side of the first side plate 1 is provided with a fixing plate 9, lower end corners of the first side plate 1 and the second side plate 2 are provided with supporting legs 11, a side face of the workbench 12 is provided with a control cabinet 10, the front surface of the workbench 12 is provided with a plurality of storage cabinets, the workbench 12 and the positioning clamp are arranged into a whole, hardware is conveniently clamped in a positioning mode through the clamping mechanism 3, the hardware is rotated to the position above the workbench 12, and the processing operation of workers is facilitated.

The inner side surface of the first side plate 1 is positioned on the outer side of the rack 5 and is provided with a slide rail 13, the slide rail 13 is connected with a limit slide block 17 in a sliding manner, one end of the limit slide block 17 is connected with a connecting rod 15, one end of the connecting rod 15 is rotatably connected with the limit slide block 17, the other end of the connecting rod 15 is rotatably connected with the first electric push rod 4, the outer diameter of the limit slide block 17 is matched with the inner diameter of the slide rail 13, the number of the limit slide blocks 17 is the same as that of the first electric push rods 4, the limit slide block 17 is arranged on the inner side of the side plate and positioned on the outer side of the rack 5 and is matched with the action of the connecting rod 15, the first electric push rod 4 is conveniently reinforced, the firmness of the connection of the first electric push rod 4 to the clamping mechanism 3 is improved, the instability of the clamping mechanism 3 caused when the walking gear 6 drives the first electric push rod 4 to walk around the rack 5, thereby realize with walking gear 6's synchronous walking, conveniently consolidate first electric putter 4.

The clamping mechanism 3 comprises a main clamping plate 31 connected with one end of a first electric push rod 4, two ends of the main clamping plate 31 are correspondingly connected with two side clamping plates 32, a plurality of second electric push rods 33 are arranged between the main clamping plate 31 and the side clamping plates 32, a storage groove is formed in the side surface of the main clamping plate 31 corresponding to one end of each second electric push rod 33, one end of each second electric push rod 33 extends into the storage groove and is fixedly connected with the storage groove, the other end of each second electric push rod 33 is connected with the side surface of the corresponding side clamping plate 32, a pressure sensor 35 is embedded in the middle of the inner side surface of the main clamping plate 31, a rubber block 34 is arranged on the inner side surface of one end of each side clamping plate 32, the side clamping plates 32 are fixedly connected with the main clamping plate 31 through the second electric push rods 33, the clamping mechanism 3 is of a type structure, a rotating rod 18 is connected with the middle part of the side surface, can be through the flexible of first electric putter 4, be close to the hardware with main cardboard 31, when main cardboard 31 supports the hardware, the hardware receives main cardboard 31's motive force, can produce a thrust to the pressure sensor 35 of main cardboard 31 internal surface, when the thrust value that pressure sensor 35 received reaches the setting value, can transmit signal give switch board 10, by the first electric putter 4 of controller control in the switch board 10 stop stretching out, and the shrink of simultaneous control second electric putter 33, thereby conveniently retract the side cardboard 32 at main cardboard 31 both ends, carry out the centre gripping to the hardware, thereby can further improve the location centre gripping to the hardware.

The lateral surfaces of the first side plate 1 and the second side plate 2 are located at the outer sides of three corners of the rack 5 and are respectively provided with an infrared receiver 19, two lateral surfaces and a lower surface of one end of the first electric push rod 4 are respectively provided with an infrared emitter in an embedded manner corresponding to the infrared receiver 19, as shown in fig. 4, when one of the three groups of clamping mechanisms 3 moves to one corner of the rack 5, infrared rays emitted by the infrared emitter at one lateral surface of the first electric push rod 4 are just received by the corresponding infrared receiver 19, at the moment, the infrared receiver 19 transmits the received signals to the control cabinet 10, the control cabinet 10 controls the first electric push rod 4 to extend out, the clamping mechanism 3 is pushed to clamp a hardware piece below the feeding and conveying belt (when in operation, the conveying belt can be arranged below the corresponding clamping mechanism 3 at the rear side of the positioning clamp), after the clamping mechanism 3 clamps the hardware piece, the control cabinet 10 continuously controls the driving motor 14 to rotate, and then the walking gear 6 drives the first electric push rod 4 and the clamping mechanism 3 to move to another angle along one angle inside the rack 5, when the clamping mechanism 3 clamping the hardware moves to another angle of the rack 5, the infrared ray emitted by the infrared emitter on the other side of the first electric push rod 4 can be just received by the infrared receiver 19 arranged outside the angle, and then a signal is transmitted to the control cabinet 10, the control cabinet 10 controls the driving motor 14 to stop working, at this time, the clamping mechanism 3 clamping the hardware is just stopped above the workbench 12, so that the clamped hardware can be conveniently processed by a worker, meanwhile, the other group of clamping mechanisms 3 just moves to the initial position of the first group of clamping mechanisms 3, and the infrared ray emitted by the infrared emitter on the first electric push rod 4 connected with one end is just received by the corresponding infrared receiver 19, therefore, the corresponding controller in the control cabinet 10 controls the clamping mechanisms 3 to clamp the hardware on the conveying belt, after the worker finishes processing the hardware on the clamping mechanisms 3, the control cabinet 10 controls the driving motor 14 to continue working, further, the processed hardware is continuously moved to the third corner (namely, under the side plate) of the rack 5 by the first group of clamping mechanisms 3, at this time, the infrared ray emitted by the infrared emitter on the lower surface of the first electric push rod 4 at one end of the hardware is just received by the corresponding infrared receiver 19, then a signal is transmitted to the control cabinet 10, the control cabinet 10 controls the clamping mechanisms 3 to release clamping of the hardware, so that the processed hardware falls into the blanking conveying belt under the hardware, and it should be noted that when the first group of clamping mechanisms 3 in the three groups of clamping mechanisms 3 clamps the hardware on the blanking conveying belt, second group fixture 3 just in time removes the second hardware of centre gripping to workstation 12's top, make things convenient for staff's processing, meanwhile third group fixture 3 just in time removes corner under the cogged rail 5, conveniently remove the hardware that the third was processed directly over the unloading transmission band, consequently add man-hour when the staff to the hardware on second group fixture 3, driving motor 14 is in the stop state, and then make things convenient for two sets of fixture 3 in addition to carry out the centre gripping to the hardware on the material loading transmission band and carry out the unloading to the hardware that is processed, thereby realize that three groups fixture 3 realize the uninterrupted feeding to the hardware, processing, the operation of unloading.

A driving motor 14 is arranged in the middle of the inner side of the fixed plate 9, the output end of the driving motor 14 is connected with a main belt roller 71, one end of the fixed rod 7 is connected with a driving gear 16, the other end of the fixed rod 7 is rotatably connected with the fixed plate 9, a driven belt roller 72 is arranged in the middle of the fixed rod 7, a belt 73 is sleeved on the outer surface of the driven belt roller 72, the driven belt roller 72 is connected with the main belt roller 71 through the belt 73, the fixed plate 9 is of an L-shaped structure, teeth are arranged on the inner side and the outer side of the driving belt 8 and the inner side of the toothed rail 5, teeth on the surface of the traveling gear 6 are respectively matched with teeth on the inner surface of the toothed rail 5 and the outer surface of the driving belt 8, teeth on the surface of the driving gear 16 are matched with teeth on the inner surface of the driving belt 8, the number of the fixed rods 7 is the same, the outer surface of the driving belt 8 is in meshed connection with the inner surface of the rack 5 through the traveling gear 6, the control cabinet 10 controls the driving motor 14 to work, then the driving motor 14 drives the three fixing rods 7 to rotate through the main belt roller 71 and the belt 73, further the three fixing rods 7 drive the driving gears 16 located at three corners of the inner side wall of the driving belt 8 to rotate, and accordingly the driving belt 8 rotates through the driving gears 16, the driving belt 8 rotates to drive the traveling gear 6 to travel in the rack 5, and operation is simple and convenient.

The working principle of the invention is as follows: when the invention works, a feeding conveying belt is placed at the rear side of a positioning clamp and corresponds to the lower part of one group of clamping mechanisms 3, a discharging conveying belt is placed under the positioning clamp (namely between a first side plate 1 and a second side plate 2), then a driving motor 14 is controlled to work, a driving belt 8 is driven by the driving motor 14 to rotate, and then the driving belt 8 drives a traveling gear 6 to move along a toothed rail 5, so that the clamping mechanisms 3 are moved, meanwhile, the clamping mechanisms 3 are controlled to clamp hardware on the feeding conveying belt and then move to a workbench 12 to process the clamped hardware, and after the clamped hardware is processed, the clamping mechanisms 3 are controlled to continue to move through a control cabinet 10, therefore, when the first group of clamping mechanisms 3 in the three groups of clamping mechanisms 3 clamps the hardware on the feeding conveying belt, the second group of clamping mechanisms 3 just move the clamped second hardware to the upper part of the workbench 12, so that the processing of workers is facilitated, meanwhile, the third group of clamping mechanisms 3 just move to the corner under the rack 5, so that the third processed hardware is conveniently moved to the upper part of the blanking conveying belt, when the workers process the hardware on the second group of clamping mechanisms 3, the driving motor 14 is in a stop state, and further, the other two groups of clamping mechanisms 3 are convenient to clamp the hardware on the feeding conveying belt and blank the processed hardware, so that the three groups of clamping mechanisms 3 realize the non-intermittent feeding, processing and blanking operations of the hardware, and the first electric push rod 4 and the second electric push rod 33 are adopted, so that the multi-directional clamping of the main clamping plate 31 and the side clamping plates 32 on the hardware can be realized, and the positioning clamping firmness is improved, and pressure sensor 35's effect avoids fixture 3 to too big hardware clamping force, leads to its deformation, and this design not only is simple and direct to operate, and intelligent control moreover for the centre gripping to hardware, carry and the processing integration.

It should be noted that: the driving motor 14 is a servo motor of LAFERT series, the first electric putter 4 and the second electric putter 33 are of ANT series, the infrared transmitter is LTE-4208, the infrared receiver 19 thereof is matched with an infrared receiving tube of LTR-328 series, and the pressure sensor 35 is of PX409 series.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A positioning fixture for hardware processing comprises a first side plate (1) and a second side plate (2) which are correspondingly arranged, and is characterized in that a workbench (12) is arranged on the front side of the first side plate (1) and the front side of the second side plate (2), three groups of clamping mechanisms (3) are arranged between the first side plate (1) and the second side plate (2) in a triangular mode, two clamping mechanisms (3) are correspondingly arranged in each group, a first electric push rod (4) is arranged between each of the first side plate (1) and the clamping mechanisms (3) and between each of the second side plate (2) and the corresponding clamping mechanisms, the first side plate (1) and the second side plate (2) are identical in structure, a triangular toothed rail (5) is arranged on the surface of the first side plate (1), a driving belt (8) matched with the first side plate is arranged on the inner side of the toothed rail (5), three walking gears (6) are correspondingly arranged between the toothed rail (5) and the driving belt (8) in a triangular mode, the inside wall of driving band (8) is that the triangle correspondence is provided with three drive gear (16), the one end of drive gear (16) is connected with dead lever (7), the outside of first curb plate (1) is provided with fixed plate (9), slide rail (13) have been seted up in the outside that the medial surface of first curb plate (1) is located rack (5), the inside sliding connection of slide rail (13) has stop block (17), the one end of stop block (17) is connected with connecting rod (15), fixture (3) are including connecting in main cardboard (31) of first electric putter (4) one end, the both ends correspondence of main cardboard (31) is connected with two side cardboards (32).

2. The positioning fixture for hardware processing according to claim 1, wherein a plurality of second electric push rods (33) are arranged between the main clamping plate (31) and the side clamping plates (32), a storage groove is formed in a position, corresponding to one end of each second electric push rod (33), of a side surface of the main clamping plate (31), one end of each second electric push rod (33) extends into the storage groove and is fixedly connected with the storage groove, the other end of each second electric push rod (33) is connected with a side surface of each side clamping plate (32), a pressure sensor (35) is embedded in the middle of the inner side surface of the main clamping plate (31), and a rubber block (34) is arranged on the inner side surface of one end of each side clamping plate (32).

3. The positioning fixture for hardware processing according to claim 2, wherein the side clamping plate (32) and the main clamping plate (31) are fixedly connected through a second electric push rod (33), the clamping mechanism (3) is of a profile structure, a rotating rod (18) is connected to the middle of the side surface of the walking gear (6), and one end of the rotating rod (18) is rotatably connected with the first electric push rod (4).

4. The positioning fixture for hardware processing according to claim 1, wherein one end of the connecting rod (15) is rotatably connected with a limiting slide block (17), the other end of the connecting rod (15) is rotatably connected with the first electric push rod (4), the outer diameter of the limiting slide block (17) is matched with the inner diameter of the sliding rail (13), and the number of the limiting slide blocks (17) is the same as that of the first electric push rods (4).

5. The positioning fixture for hardware processing according to claim 1, wherein infrared receivers (19) are respectively arranged on the lateral sides of the first side plate (1) and the second side plate (2) at the outer sides of three corners of the rack (5), and infrared emitters are respectively embedded into the two lateral sides and the lower surface of one end of the first electric push rod (4) corresponding to the infrared receivers (19).

6. The positioning fixture for hardware processing according to claim 1, characterized in that a driving motor (14) is arranged in the middle of the inner side face of the fixing plate (9), the output end of the driving motor (14) is connected with a main belt roller (71), one end of the fixing rod (7) is connected with the driving gear (16), the other end of the fixing rod (7) is connected with the fixing plate (9) in a rotating mode, a driven belt roller (72) is arranged in the middle of the fixing rod (7), a belt (73) is sleeved on the outer surface of the driven belt roller (72), the driven belt roller (72) is connected with the main belt roller (71) through the belt (73), and the fixing plate (9) is of an L-shaped structure.

7. A positioning fixture for hardware processing according to claim 1, characterized in that, the medial surface and the lateral surface of driving band (8) and the medial surface of rack (5) all are provided with the tooth, the tooth on walking gear (6) surface is with the tooth looks adaptation of rack (5) internal surface and driving band (8) surface respectively, the tooth on driving gear (16) surface is with the tooth looks adaptation of driving band (8) internal surface.

8. A positioning fixture for hardware machining according to claim 1, characterized in that the number of the fixing rods (7) is the same as the number of the driving gears (16) and the walking gears (6), the driving belt (8) is connected with the fixing plates (9) through the fixing rods (7) and the driving gears (16), and the outer surface of the driving belt (8) is in meshed connection with the inner surface of the rack (5) through the walking gears (6).

9. The positioning fixture for hardware processing according to claim 1, wherein the lower corners of the first side plate (1) and the second side plate (2) are provided with support legs (11), a control cabinet (10) is arranged on one side of the workbench (12), and a plurality of storage cabinets are arranged on the front surface of the workbench (12).