CN112108912A

CN112108912A - Firm clamping device is used in finish machining of fork truck accessory knuckle

Info

Publication number: CN112108912A
Application number: CN202010967686.7A
Authority: CN
Inventors: 罗晓虎
Original assignee: Hefei Donglu Machine Manufacturing Co ltd
Current assignee: Hefei Donglu Machine Manufacturing Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2020-12-22
Anticipated expiration: 2040-09-15
Also published as: CN112108912B

Abstract

The invention discloses a stable clamping device for finish machining of a steering knuckle of a forklift accessory, which comprises a base, wherein a first support and a second support are respectively arranged on the top surface of the base, the first support is provided with two supports, a guide rod is arranged between the first supports, a lead screw is rotatably sleeved on the second support, a turntable is fixedly connected to one end of the lead screw, moving blocks are respectively arranged on the other end of the lead screw and the guide rod, a connecting rod is fixedly connected between the moving blocks, the top surfaces of the moving blocks are respectively fixedly connected with a first shell and a second shell, and motors are respectively arranged on the side walls of the first shell and the second shell; the steering knuckle can be rotated, so that the steering knuckle can be transposed, the steering knuckle does not need to be clamped and fixed for the second time, time and labor are saved, labor cost is reduced, surface changing processing is facilitated, the steering knuckle can be sufficiently and stably clamped, finish machining of the steering knuckle is facilitated, clamping is simple and convenient, clamping and mounting time is reduced, and working efficiency is improved.

Description

Firm clamping device is used in finish machining of fork truck accessory knuckle

Technical Field

The invention belongs to the technical field of forklift accessory machining, and particularly relates to a stable clamping device for finish machining of a steering knuckle of a forklift accessory.

Background

The forklift fittings refer to engine fittings, chassis fittings, gearbox fittings, cooling system fittings, electric parts and various accessories of the forklift, the forklift fittings are extension components of the forklift and are designed for carrying goods in a warehouse, the forklift fittings are generally applied to the warehousing industry due to compact body, flexible movement, light dead weight and good environmental protection performance, and the steering knuckles are important components of the forklift fittings.

The structure of general fork truck accessory knuckle on the market is complicated for general clamping device's firm effect is poor, is unfavorable for the finish machining of knuckle to use, makes the centre gripping time long, and work efficiency is low, and general knuckle adds the face processing that needs to be changed man-hour, and general clamping device needs the secondary centre gripping, wastes time and energy, has improved labour cost, has also brought the problem of centre gripping position error, for this reason, we provide a fork truck accessory knuckle's finish machining and used firm clamping device.

Disclosure of Invention

The invention aims to provide a stable clamping device for finish machining of a steering knuckle of a forklift accessory, and the stable clamping device is used for solving the problems that the structure of the general steering knuckle of the forklift accessory proposed in the background art is complex, the stable effect of the general clamping device is poor, the use of the general clamping device for finish machining of the steering knuckle is not facilitated, the clamping time is long, the working efficiency is low, the surface changing processing is needed during the processing of the general steering knuckle, the general clamping device needs secondary clamping, time and labor are wasted, the labor cost is increased, and the clamping position error is caused.

In order to achieve the purpose, the invention provides the following technical scheme: a stable clamping device for finish machining of a steering knuckle of a forklift accessory comprises a base, wherein a first support and a second support are respectively installed on the top surface of the base, two guide rods are installed between the first support and the second support, a lead screw is rotatably sleeved on the second support, a rotary disc is fixedly connected to one end of the lead screw, moving blocks are respectively installed on the other end of the lead screw and the guide rods, connecting rods are fixedly connected between the moving blocks, the top surface of each moving block is respectively fixedly connected with a first shell and a second shell, motors are respectively installed on the side walls of the first shell and the second shell, a first transmission shaft is fixedly connected to the output end of each motor, the other end of the first transmission shaft extends into the first shell and the second shell respectively, a driving gear is fixedly sleeved on the extending end of the first transmission shaft respectively, and a first rack and a second rack are respectively meshed with the side, the side wall of the first rack is provided with a first electric push rod, the other end of the first electric push rod extends out of the first shell, a pressing plate is fixedly connected to the extending end of the first electric push rod, and a fixing block is fixedly connected to the side wall of the second rack.

As a further scheme of the invention: the utility model discloses a fixed block, including fixed block, transmission shaft two, link up board, fixed frame, electric putter two, draw-in groove has been seted up to electric putter two's the other end, the rigid coupling has the montant on the interior roof of fixed frame, the other end rigid coupling of montant has the inserted bar, the inserted bar is connected with the draw-in groove gomphosis, and fixed cover respectively on the lateral wall of montant and electric putter two has the locating plate, the rigid coupling has the rubber pad on the lateral wall of locating plate.

As a further scheme of the invention: the side wall of the connecting plate is provided with a first clamp, the end part of the first clamp is hinged with a second clamp, an electric push rod III is arranged between the first clamp and the second clamp, and the first clamp and the pressing plate are positioned on the same horizontal plane.

As a further scheme of the invention: the lead screw is meshed and sleeved with the moving block, the guide rod is sleeved with the moving block in a sliding mode, the lead screw is arranged in parallel with the guide rod, and the first shell and the second shell are symmetrically arranged relative to the base.

As a further scheme of the invention: the first rack and the second rack are respectively connected with the inner walls of the first shell and the second shell in a sliding mode, a first pore passage and a second pore passage are respectively formed in the side walls of the first shell and the second shell, and the first pore passage and the second pore passage are respectively sleeved with the first electric push rod and the second transmission shaft in a sliding mode.

As a further scheme of the invention: the electric push rod II and the vertical rod are located on the same vertical line, the two positioning plates are arranged, and the rubber pads are located on the corresponding surfaces of the positioning plates.

As a further scheme of the invention: the corresponding surfaces of the first clamp and the second clamp are respectively provided with a groove, and two ends of the electric push rod III are respectively hinged with the top surface and the bottom surface of the groove.

Compared with the prior art, the invention has the beneficial effects that:

1. the through hole of the knuckle penetrates through the electric push rod II, so that the positioning plate and the rubber pad on the electric push rod II bear the knuckle, the electric push rod II is started, the electric push rod II pushes the knuckle to rise, the clamping groove on the electric push rod II is connected with the embedded rod in an embedded mode, the positioning plate and the rubber pad on the vertical rod are closed with the positioning plate and the rubber pad on the electric push rod II, the purpose of preliminarily clamping the knuckle is achieved, meanwhile, the rubber pad buffers impact and avoids the knuckle from being damaged due to external force, the corner of the knuckle is placed between the clamp I and the clamp II, the electric push rod III in the groove is started, the electric push rod III drives the clamp I and the clamp II to be closed, the knuckle is further clamped and stabilized, the electric push rod I on the rack I is started, the electric push rod I pushes the pressing plate to be close to the shell, the three vertexes of the steering knuckle can be fixed, the purpose of fully clamping and stabilizing the steering knuckle is achieved, finish machining of the steering knuckle is facilitated, clamping is simple and convenient, clamping and mounting time is shortened, and working efficiency is improved.

2. Rotating the turntable on the second support to drive the lead screw to rotate, so that the movable block on the lead screw moves, the movable block is in sliding sleeve joint with the guide rod on the first support, the guide rod limits the rotation of the movable block, the purpose of translating the movable block is achieved, the purpose of indirectly driving the steering knuckle to translate is achieved, the steering knuckle can enter a next station to achieve the purpose of accurate clamping position, the motors on the first shell and the second shell are simultaneously started, the motors drive the driving gear to rotate through the transmission shaft, the first rack and the second rack which are respectively in meshed connection with the driving gear are synchronously lifted, the purpose of facilitating the rotation of the steering knuckle is achieved, the situation that the steering knuckle is blocked by the base is avoided, the motor in the fixed block is restarted to drive the connecting plate to rotate through the second transmission shaft, the purpose of rotating the steering knuckle is achieved, and, the steering knuckle is not required to be clamped and fixed for the second time, time and labor are saved, labor cost is reduced, and face changing and processing are facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the base structure of the present invention.

Fig. 3 is a sectional view of a structure of the casing of the present invention.

Fig. 4 is a sectional view of a second structure of the housing of the present invention.

Fig. 5 is a schematic view of the structure of part a of the present invention.

Fig. 6 is an enlarged view of the structure of part B of the present invention.

FIG. 1, base; 2. a first bracket; 3. a second bracket; 4. a guide bar; 5. a screw rod; 6. a turntable; 7. a moving block; 8. a first shell; 9. an electric motor; 10. a first transmission shaft; 11. a driving gear; 12. a first rack; 13. a second rack; 14. an electric push rod I; 15. pressing a plate; 16. a fixed block; 17. a motor; 18. a second transmission shaft; 19. a connector tile; 20. a fixing frame; 21. a second electric push rod; 22. a vertical rod; 23. embedding a rod; 24. positioning a plate; 25. a rubber pad; 26. clamping a first clamp; 27. a second clamp; 28. an electric push rod III; 29. and a second shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.

As shown in fig. 1-6, a stable clamping device for finish machining of a steering knuckle of a forklift accessory comprises a base 1, a first bracket 2 and a second bracket 3 are respectively installed on the top surface of the base 1, two first brackets 2 are arranged, a guide rod 4 is installed between the first brackets 2, a screw rod 5 is rotatably sleeved on the second brackets 3, a rotary table 6 is fixedly connected to one end of the screw rod 5, moving blocks 7 are respectively installed on the other end of the screw rod 5 and the guide rod 4, connecting rods are fixedly connected between the moving blocks 7, a first shell 8 and a second shell 29 are respectively fixedly connected to the top surface of each moving block 7, motors 9 are respectively installed on the side walls of the first shell 8 and the second shell 29, a first transmission shaft 10 is fixedly connected to the output end of each motor 9, the other end of the first transmission shaft 10 extends into the first shell 8 and the second shell 29, and a driving gear 11 is fixedly sleeved, the side wall of the driving gear 11 is respectively connected with a first rack 12 and a second rack 13 in a meshed mode, the side wall of the first rack 12 is provided with a first electric push rod 14, the other end of the first electric push rod 14 extends out of the first shell 8, a pressing plate 15 is fixedly connected to the extending end of the first electric push rod 14, and a fixing block 16 is fixedly connected to the side wall of the second rack 13 and can rotate a steering knuckle, so that the steering knuckle can be replaced, the steering knuckle does not need to be clamped and fixed for the second time, time and labor are saved, labor cost is reduced, and surface changing processing is facilitated.

A cavity is formed in the fixing block 16, a motor 17 is installed on the side wall of the cavity, a second transmission shaft 18 is fixedly connected to the output end of the motor 17, the other end of the second transmission shaft 18 extends out of the second shell 29, a connecting plate 19 is fixedly connected to the extending end of the second transmission shaft 18, a fixing frame 20 is fixedly connected to the other side of the connecting plate 19, a second electric push rod 21 is installed on the inner bottom surface of the fixing frame 20, a clamping groove is formed in the other end of the second electric push rod 21, a vertical rod 22 is fixedly connected to the inner top wall of the fixing frame 20, an embedded rod 23 is fixedly connected to the other end of the vertical rod 22, the embedded rod 23 is connected with the clamping groove in an embedded mode, a positioning plate 24 is fixedly connected to the side walls of the vertical rod 22 and the second electric push rod 21 respectively in a fixed mode, a rubber pad 25 is fixedly.

The side wall of the connecting plate 19 is provided with a first clamp 26, the end part of the first clamp 26 is hinged with a second clamp 27, an electric push rod III 28 is arranged between the first clamp 26 and the second clamp 27, and the first clamp 26 and the pressing plate 15 are positioned on the same horizontal plane, so that the purpose of fully clamping and stabilizing the steering knuckle is achieved, the fine machining use of the steering knuckle is facilitated, the clamping is simple and convenient, the clamping and mounting time is reduced, and the working efficiency is improved.

The screw rod 5 is meshed with the moving block 7 in a sleeved mode, the guide rod 4 is in sliding sleeved mode with the moving block 7, the screw rod 5 and the guide rod 4 are arranged in parallel, the first shell 8 and the second shell 29 are symmetrically arranged relative to the base 1, the structure is reasonable, and expected effects are achieved conveniently.

The first rack 12 and the second rack 13 are respectively connected with the inner walls of the first shell 8 and the second shell 29 in a sliding mode, the side walls of the first shell 8 and the second shell 29 are respectively provided with a first pore passage and a second pore passage, and the first pore passage and the second pore passage are respectively sleeved with the first electric push rod 14 and the second transmission shaft 18 in a sliding mode, so that the structure is reasonable, and the expected effect is convenient to achieve.

The second electric push rod 21 and the vertical rod 22 are located on the same vertical line, the two positioning plates 24 are arranged, and the rubber pads 25 are located on the corresponding surfaces of the positioning plates 24, so that the second electric push rod 21 and the vertical rod 22 can be closed, and the steering knuckle can be clamped conveniently.

Grooves are formed in the corresponding surfaces of the first clamp 26 and the second clamp 27 respectively, and two ends of the electric push rod III 28 are hinged to the top surface and the bottom surface of each groove respectively, so that the structure is reasonable, and the first clamp 26 and the second clamp 27 are driven to move conveniently.

The working principle of the stable clamping device is as follows: the through hole of the steering knuckle penetrates through the electric push rod II 21, so that the positioning plate 24 and the rubber pad 25 on the electric push rod II 21 bear the steering knuckle, the electric push rod II 21 is started, the electric push rod II 21 pushes the steering knuckle to rise, the clamping groove on the electric push rod II 21 is connected with the embedded rod 23 in an embedded mode, the positioning plate 24 and the rubber pad 25 on the vertical rod 22 are closed with the positioning plate 24 and the rubber pad 25 on the electric push rod II 21, the purpose of preliminarily clamping the steering knuckle is achieved, meanwhile, the rubber pad 25 buffers impact, the steering knuckle is prevented from being damaged due to external force, the corner of the steering knuckle is placed between the clamp I26 and the clamp II 27, the electric push rod III 28 in the groove is started, the electric push rod III 28 drives the clamp I26 and the clamp II 27 to be closed, the steering knuckle is further clamped and stabilized, the electric push rod I14 on the rack I12 is started, so, thereby the other end of the knuckle is extruded by the pressing plate 15, three vertexes of the knuckle can be fixed, the purpose of fully clamping and stabilizing the knuckle is achieved, the knuckle is favorably and conveniently clamped, the clamping and mounting time is reduced, the working efficiency is improved, when the processing surface or the processing process of the knuckle needs to be adjusted, the turntable 6 on the bracket II 3 is rotated, the turntable 6 drives the screw rod 5 to rotate, the movable block 7 on the screw rod 5 moves, the movable block 7 is in sliding sleeve joint with the guide rod 4 on the bracket I2, the movable block 7 is limited by the guide rod 4 to rotate, the purpose of translating the movable block 7 is achieved, the purpose of indirectly driving the knuckle to translate is achieved, the knuckle can enter the next station, the purpose of accurate clamping position is achieved, the motor 9 on the housing I8 and the housing II 29 is started simultaneously, and the motor 9 drives the driving gear 11 to rotate through the transmission shaft I10, the first rack 12 and the second rack 13 which are respectively meshed with the driving gear 11 are enabled to ascend synchronously, the purpose of facilitating rotation of a steering knuckle is achieved, the base 1 is prevented from blocking the steering knuckle, the motor 17 in the fixing block 16 is started again, the motor 17 drives the connecting plate 19 to rotate through the second transmission shaft 18, the purpose of rotating the steering knuckle is achieved, the steering knuckle can be replaced, the steering knuckle does not need to be clamped and fixed secondarily, time and labor are saved, labor cost is reduced, face replacing processing is facilitated, and operation is completed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

Claims

1. The stable clamping device for the finish machining of the steering knuckle of the forklift accessory is characterized by comprising a base (1), wherein a first support (2) and a second support (3) are respectively installed on the top surface of the base (1), the first support (2) is provided with two supports, a guide rod (4) is installed between the first support (2) and the second support (3), a lead screw (5) is rotatably sleeved on the second support (3), a rotary disc (6) is fixedly connected to one end of the lead screw (5), a moving block (7) is respectively installed on the other end of the lead screw (5) and the guide rod (4), a connecting rod is fixedly connected between the moving blocks (7), a first shell (8) and a second shell (29) are respectively fixedly connected to the top surface of the moving block (7), an electric motor (9) is respectively installed on the side walls of the first shell (8) and the second shell (29), a first transmission shaft (10) is fixedly connected to the output, the other end of transmission shaft (10) extends to in casing (8) and casing two (29) respectively, and the stretching into of transmission shaft (10) is served and is fixed the cover respectively and have been connect with driving gear (11), mesh respectively on the lateral wall of driving gear (11) and be connected with rack (12) and rack two (13), install electric putter (14) on the lateral wall of rack (12), the other end of electric putter (14) extends to outside casing (8), and the stretching out of electric putter (14) is served the rigid coupling and is had clamp plate (15), the rigid coupling has fixed block (16) on the lateral wall of rack two (13).

2. The fine machining of fork truck accessory knuckle uses firm clamping device according to claim 1, characterized in that, the cavity has been seted up in the fixed block (16), install motor (17) on the lateral wall of cavity, the rigid coupling has transmission shaft two (18) on the output of motor (17), the other end of transmission shaft two (18) extends outside casing two (29), and the rigid coupling has linkage plate (19) on the extension end of transmission shaft two (18), the opposite side rigid coupling of linkage plate (19) has fixed frame (20), install electric putter two (21) on the interior bottom surface of fixed frame (20), the draw-in groove has been seted up to the other end of electric putter two (21), the rigid coupling has montant (22) on the interior roof of fixed frame (20), the other end rigid coupling of montant (22) has embedded pole (23), embedded pole (23) and draw-in groove gomphosis are connected, and the side walls of the vertical rod (22) and the electric push rod II (21) are respectively fixedly sleeved with a positioning plate (24), and the side wall of the positioning plate (24) is fixedly connected with a rubber pad (25).

3. The steady clamping device for the finish machining of the steering knuckle of the forklift accessory is characterized in that a first clamp (26) is installed on the side wall of the connecting plate (19), a second clamp (27) is hinged to the end portion of the first clamp (26), a third electric push rod (28) is installed between the first clamp (26) and the second clamp (27), and the first clamp (26) and the pressing plate (15) are located on the same horizontal plane.

4. The steady clamping device for the finish machining of the steering knuckle of the forklift accessory as claimed in claim 1, wherein the lead screw (5) is engaged and sleeved with the moving block (7), the guide rod (4) is slidably sleeved with the moving block (7), the lead screw (5) and the guide rod (4) are arranged in parallel, and the first shell (8) and the second shell (29) are symmetrically arranged about the base (1).

5. The steady clamping device for the finish machining of the steering knuckle of the forklift accessory according to claim 1, wherein the first rack (12) and the second rack (13) are respectively connected with the inner walls of the first shell (8) and the second shell (29) in a sliding mode, a first hole channel and a second hole channel are respectively formed in the side walls of the first shell (8) and the second shell (29), and the first hole channel and the second hole channel are respectively sleeved with the first electric push rod (14) and the second transmission shaft (18) in a sliding mode.

6. The steady clamping device for the finish machining of the steering knuckle of the forklift accessory as claimed in claim 2, wherein the two electric push rods (21) and the vertical rod (22) are located on the same vertical line, the two positioning plates (24) are arranged, and the rubber pads (25) are located on the corresponding surfaces of the positioning plates (24).

7. The steady clamping device for the finish machining of the steering knuckle of the forklift accessory as claimed in claim 3, wherein corresponding surfaces of the first clamp (26) and the second clamp (27) are respectively provided with a groove, and two ends of the electric push rod III (28) are respectively hinged with the top surface and the bottom surface of the groove.