CN211614945U

CN211614945U - Machine tool precision clamp for clamping end face

Info

Publication number: CN211614945U
Application number: CN202020061494.5U
Authority: CN
Inventors: 唐皓; 唐果宁
Original assignee: Hunan University of Science and Technology
Current assignee: Hunan University of Science and Technology
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-02
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a machine tool precision clamp for clamping end faces, which belongs to the field of machine tool clamp devices and comprises a bottom plate, wherein a fixed clamping device and a movable clamping device are arranged on the bottom plate, the fixed clamping device comprises a first clamping plate, a first mounting plate is arranged on the first clamping plate, a first screw rod is arranged on the first mounting plate, a first pressing plate is connected below the first screw rod, a first supporting plate is arranged below the first pressing plate, and the first supporting plate is connected on the first clamping plate; the movable clamping device comprises a second clamping plate and a sliding groove, the sliding groove is arranged on the bottom plate and is of an up-and-down penetrating structure, and the second clamping plate is movably arranged on the sliding groove. Can be suitable for the tight fixed of clamp of straight tube and return bend part simultaneously, and further can be suitable for the tight fixed of clamp of different length specifications and different bending angle return bends, avoid need design the many sets of anchor clamps of production, increase the problem of the cost of manufacturing.

Description

Machine tool precision clamp for clamping end face

Technical Field

The utility model relates to a machine tool clamp device field especially relates to a be used for terminal surface to press from both sides tight lathe precision clamp.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to simply as machine tools, such as welding machines, forging machines, cutting machines, etc. The machine tool clamp is a clamping and fixing device used in machining on a machine tool, and is an important machining tool in machine manufacturing. In the process of machining and forming parts, various machining processes such as punching, cutting and shaping are required to be performed on the parts by various machine tools, and in all of the processes, the parts need to be fixed by corresponding fixtures. The end face clamp is a clamp for clamping the end face of a part, and the functions of fixing, positioning and the like of the part are achieved.

When carrying out operations such as drilling, cutting to pipeline part, need press from both sides tightly the pipeline terminal surface, but because the pipeline has different shape specifications such as straight tube, return bend, the straight tube part of same shape still has the specification of difference in length simultaneously, consequently press from both sides tight operation to these pipelines and need the clamp of customization many sets usually to the pipe clamp that adapts to different types, different specifications presss from both sides tight processing, this has increased holistic cost such as design, production undoubtedly, and change different anchor clamps and cause the lathe down time long, also influence the efficiency of production and processing.

Aiming at the problem, the machine tool clamp suitable for clamping end faces of various pipelines with various specifications is provided, the problem that a plurality of sets of clamps need to be designed and produced is solved, the cost of an enterprise is greatly saved, the machine tool halt time is effectively reduced, the production efficiency is further improved, and the benefits of the enterprise are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above problem, provide a lathe precision clamp for the terminal surface presss from both sides tightly, can be suitable for the tight fixedly of clamp of straight tube and return bend part simultaneously, and further can be suitable for the tight fixedly of clamp of different length specification and different bending angle return bends, avoid needing design production many sets of anchor clamps, increase the problem of the cost of manufacturing.

In order to realize the above purpose, the utility model adopts the technical scheme that:

a machine tool precision clamp for clamping an end face comprises a base plate, wherein a mounting hole is formed in the base plate, a fixed clamping device and a movable clamping device are arranged on the base plate, the fixed clamping device comprises a first clamping plate, a first mounting plate is arranged on the first clamping plate, a first screw rod is arranged on the first mounting plate, a first pressing plate is connected below the first screw rod, a first supporting plate is arranged below the first pressing plate, and the first supporting plate is connected to the first clamping plate; the movable clamping device comprises a second clamping plate and a sliding groove, the sliding groove is arranged on the bottom plate and is of an up-and-down penetrating structure, a second mounting plate is arranged on the second clamping plate, a second screw rod is mounted on the second mounting plate, a second pressing plate is connected to the lower portion of the second screw rod, a second supporting plate is arranged on the lower portion of the second pressing plate, the second supporting plate is connected to the second clamping plate, a third screw rod is connected to the lower portion of the second clamping plate, the second clamping plate penetrates through the sliding groove and is screwed down through a nut to fix the second clamping plate on the bottom plate.

Furthermore, a base plate is arranged between the nut and the bottom plate, and a through hole is formed in the base plate and connected to the third screw through the through hole.

Furthermore, cross grooves are formed in the tops of the first screw rod and the second screw rod.

Furthermore, the bottom surfaces of the first pressing plate and the second pressing plate are both provided with anti-skid rubber pads.

Furthermore, first backup pad and second backup pad are circular arc bent plate structure, and all open the top.

Furthermore, the sliding groove is of a three-section structure, the middle section of the sliding groove is of an arc-shaped groove structure, one of the two sections on the two sides is parallel to the main plane of the first clamping plate, and the other section of the sliding groove is perpendicular to the main plane of the first clamping plate.

Furthermore, two sections of the sliding groove on two sides of the arc-shaped groove are respectively provided with a first extending groove and a second extending groove.

The utility model has the advantages that:

1. one end of the pipeline part is clamped through the fixed clamping device, wherein the pipeline is supported by the arc-shaped first supporting plate of the fixed clamping device, the first pressing plate is driven to descend by screwing the first screw rod, the pipeline is pressed from the upper portion, and the first supporting plate is matched to fix the pipeline. The cross groove is formed in the top of the first screw rod, so that the first screw rod can be screwed down conveniently by using a pneumatic screwdriver.

2. The other end of the pipeline part is clamped through the movable clamping device, a third screw rod is connected to the lower portion of a second clamping plate of the movable clamping device, the third screw rod penetrates through a sliding groove of the bottom plate to limit the second clamping plate, the third screw rod is located below the bottom plate and is connected with a base plate and a nut, the second clamping plate can be fixed through screwing the nut, and therefore the second clamping plate can be moved and fixed on the bottom plate, and then the relative position of the second clamping plate and the first clamping plate can be adjusted.

3. The chute is of a three-section structure, so that the second clamping plate can be suitable for fixing and clamping the straight pipe when being adjusted to be parallel to the first clamping plate, and the second clamping plate can be suitable for fixing and clamping the bent pipe when being adjusted to be perpendicular to the first clamping plate; meanwhile, two sections of two sides of the sliding groove are respectively provided with a first extending groove and a second extending groove, so that the relative distance between the second clamping plate and the first clamping plate can be adjusted to be suitable for fixing and clamping straight pipes with different length specifications; and the arc groove structure of the sliding groove can be used for realizing the relative angle between the second clamping plate and the first clamping plate, thereby being suitable for the fixed clamping of the bent pipes with different bending angles. The fixed clamp of once realizing different types, different specification pipeline parts presss from both sides tightly, need not to customize the lathe anchor clamps of many sets of design again, has saved the cost of manufacturing greatly, and the regulation of anchor clamps is very convenient simultaneously, has saved the time of changing the outfit of anchor clamps, has also improved the efficiency of production.

Drawings

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

Fig. 2 is a schematic view of a second splint portion of the present invention.

Fig. 3 is a schematic bottom structure diagram of the present invention.

Fig. 4 is a schematic view of the cross groove structure of the present invention.

The text labels in the figures are represented as: 1. mounting holes; 2. a base plate; 3. a first screw; 4. a first splint; 5. a first mounting plate; 6. a first platen; 7. a first support plate; 8. a second splint; 9. a chute; 901. a first extension groove; 902. a second extension groove; 10. an arc-shaped slot; 11. a second screw; 12. a second mounting plate; 13. a second platen; 14. a second support plate; 15. a base plate; 16. a nut; 17. a third screw; 18. a cross-shaped groove.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Please refer to fig. 1, which is a schematic structural diagram of a preferred embodiment of a machine tool precision clamp for clamping an end face according to the present invention.

A machine tool precision clamp for end face clamping comprises a base plate 2, wherein a mounting hole 1 is formed in the base plate 2, a fixed clamping device and a movable clamping device are arranged on the base plate 2, the fixed clamping device comprises a first clamping plate 4, a first mounting plate 5 is arranged on the first clamping plate 4, a first screw rod 3 is mounted on the first mounting plate 5, a first pressing plate 6 is connected below the first screw rod 3, a first supporting plate 7 is arranged below the first pressing plate 6, and the first supporting plate 7 is connected to the first clamping plate 4; remove clamping device and include second splint 8, spout 9 sets up on bottom plate 2 and for running through the structure from top to bottom, be provided with second mounting panel 12 on the second splint 8, install second screw rod 11 on the second mounting panel 12, second screw rod 11 below is connected with second clamp plate 13, and second clamp plate 13 below is provided with second backup pad 14, and second backup pad 14 is connected on second splint 8, the below is connected with third screw rod 17, and third screw rod 17 passes spout 9 and screws up through nut 16 and fixes second splint 8 on bottom plate 2.

Preferably, as shown in fig. 1, a backing plate 15 is disposed between the nut 16 and the bottom plate 2, and a through hole is formed in the backing plate 15 and connected to the third screw 17 through the through hole.

Preferably, as shown in fig. 1, cross grooves 18 are formed at the tops of the first screw 3 and the second screw 11.

Preferably, as shown in fig. 1, the bottom surfaces of the first pressing plate 6 and the second pressing plate 13 are both provided with anti-skid rubber pads.

Preferably, as shown in fig. 1, the first support plate 7 and the second support plate 14 are both arc bent plate structures and both open upward.

Preferably, referring to fig. 1, the sliding groove 9 is a three-section structure, the middle section of which is an arc-shaped groove 10, one of the two sections on the two sides is parallel to the main plane of the first clamping plate 4, and the other section is perpendicular to the main plane of the first clamping plate 4.

Preferably, as shown in fig. 1, two sections of the sliding groove 9 on two sides of the arc-shaped groove 10 are respectively provided with a first extending groove 901 and a second extending groove 902.

The utility model discloses during the use, through mounting hole 1 on the bottom plate 2 with anchor clamps integral erection on the lathe, press from both sides tight fixedly with the both ends face of moving clamping device with the pipeline part through fixed clamping device, and can move second splint 8 in spout 9 with relative position and relative angle of adjusting second splint 8 and first splint 4, thereby be suitable for different types, the clamp of the pipeline part of different specifications is fixed, it is very convenient to use, low in manufacturing cost is also, more be favorable to improving the efficiency of production.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; these modifications, variations or combinations, or direct applications of the concepts and solutions of the present invention to other applications without further modifications, are intended to be included within the scope of the present invention.

Claims

1. A machine tool precision clamp for end face clamping comprises a base plate (2) and is characterized in that a mounting hole (1) is formed in the base plate (2), a fixed clamping device and a movable clamping device are arranged on the base plate (2), the fixed clamping device comprises a first clamping plate (4), a first mounting plate (5) is arranged on the first clamping plate (4), a first screw (3) is mounted on the first mounting plate (5), a first pressing plate (6) is connected below the first screw (3), a first supporting plate (7) is arranged below the first pressing plate (6), and the first supporting plate (7) is connected to the first clamping plate (4); remove clamping device and include second splint (8), spout (9) set up on bottom plate (2) and run through the structure from top to bottom, be provided with second mounting panel (12) on second splint (8), install second screw rod (11) on second mounting panel (12), second screw rod (11) below is connected with second clamp plate (13), and second clamp plate (13) below is provided with second backup pad (14), and second backup pad (14) are connected on second splint (8), second splint (8) below is connected with third screw rod (17), and third screw rod (17) pass spout (9) and screw up through nut (16) and fix second splint (8) on bottom plate (2).

2. The precision clamp for the end face clamping of the machine tool according to claim 1, characterized in that a backing plate (15) is arranged between the nut (16) and the base plate (2), and the backing plate (15) is provided with a through hole and is connected to the third screw (17) through the through hole.

3. The precision clamp for the end face clamping of the machine tool is characterized in that cross grooves (18) are formed in the tops of the first screw (3) and the second screw (11).

4. The precision clamp for the end face clamping of the machine tool is characterized in that the bottom faces of the first pressing plate (6) and the second pressing plate (13) are provided with anti-skid rubber pads.

5. The precision clamp for the end face clamping of the machine tool according to claim 1, characterized in that the first support plate (7) and the second support plate (14) are both of circular arc bent plate structure and are both opened upwards.

6. The precision clamp for the end face clamping of the machine tool according to claim 1, characterized in that the sliding groove (9) is of a three-segment structure, the middle segment of the sliding groove is of an arc-shaped groove (10), one of two segments on two sides is parallel to the main plane of the first clamping plate (4), and the other segment is perpendicular to the main plane of the first clamping plate (4).

7. The precision clamp for the end face clamping of the machine tool is characterized in that the two sections of the sliding groove (9) on the two sides of the arc-shaped groove (10) are respectively provided with a first extension groove (901) and a second extension groove (902).