CN211072301U

CN211072301U - High-precision linear rail type pneumatic chuck

Info

Publication number: CN211072301U
Application number: CN201921660851.3U
Authority: CN
Inventors: 胡圣亮
Original assignee: Anhui Cantini Precision Technology Co ltd
Current assignee: Anhui Cantini Precision Technology Co ltd
Priority date: 2019-10-06
Filing date: 2019-10-06
Publication date: 2020-07-24
Anticipated expiration: 2029-10-06

Abstract

The utility model discloses a high-accuracy line rail formula air chuck, which comprises a base, install bearing and dustcoat on the base, the dustcoat is kept away from bearing one side and is installed the base plate, the base plate is kept away from dustcoat one side and is installed linear guide, the last centering jack catch that installs of linear guide, install the jack catch gyro wheel on the centering jack catch, the dustcoat inboard is provided with drive gear assembly and driving cylinder, driving cylinder passes through the motion of drive gear assembly drive centering jack catch, the last gas input port that is provided with of driving cylinder, gas input port extends to the device outside. The utility model discloses, the size of four claw clamping-forces is maintained to transmission cylinder side thrust, can adjust the size of atmospheric pressure according to the tubular product of different wall thicknesses, and inside transmission through drive gear subassembly, transmission torque is big, and it is big to reach the clamp force, and clamping stability is high.

Description

High-precision linear rail type pneumatic chuck

Technical Field

The utility model relates to a four-jaw chuck technical field specifically is a high-accuracy line rail formula air chuck.

Background

The laser cutting technology is a technology with high production efficiency and strong production capacity. The laser pipe cutting machine has the advantages that: the cutting precision is high, the size precision is high, the cut is smooth and has no burr, and the loss is small; the laser cutting area has small heat influence and no thermal deformation, and the processing consistency of parts is good; the cutting efficiency is high, and large-scale batch production can be realized. By adopting a digital control system and program control, the pipe cutting machine has more excellent flexibility and accuracy, so that the control of the machining precision is more stable, and a pneumatic clamp with excellent structural performance is used as a support.

The precision of the pneumatic four-jaw chuck on the market at present can not reach the precision required by production, and just because the design and the machining precision of the pneumatic four-jaw chuck can not meet the optimal characteristics of a laser pipe cutting machine, the problems of insufficient clamping force, low clamping precision, durability of products and the like generally exist. The machining precision is not enough, and the root cause lies in that the anchor clamps precision is not enough to cause, and four-jaw chuck anchor clamps ubiquitous clamping force is not enough, and the clamping force is too big to cause thin pipe clamp to warp, and four-jaw self-centering precision is not enough, leads to the centre gripping machined part, has the concentricity not enough, and product internal design is very crude.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-accuracy line rail formula air chuck to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-accuracy line rail formula air chuck, includes the base, install bearing and dustcoat on the base, the dustcoat is kept away from bearing one side and is installed the base plate, the base plate is kept away from dustcoat one side and is installed linear guide, install centering jack catch on the linear guide, install the jack catch gyro wheel on the centering jack catch, the dustcoat inboard is provided with transmission gear subassembly and transmission cylinder, transmission cylinder passes through the motion of transmission gear subassembly drive centering jack catch, the last gas input mouth that is provided with of transmission cylinder, gas input mouth extends to the device outside.

Preferably, the number of the linear guide rails is four, the four linear guide rails are distributed in a central symmetry manner, and the linear guide rails are fixed on the substrate through bolts.

Preferably, the drive gear subassembly comprises toothed disc, worm gear, gear and connecting rod, the gear is installed on the connecting rod, the transmission cylinder passes through worm gear drive toothed disc and rotates, the toothed disc passes through gear drive centering jack catch motion, the gear respectively with toothed disc and centering jack catch meshing.

Preferably, the number of the transmission cylinders is two, and the number of the gears is four.

Preferably, the jaw rollers may be provided in one or two.

Compared with the prior art, the beneficial effects of the utility model are that: the size of four paws clamping-force is maintained to transmission cylinder side thrust, can adjust the size of atmospheric pressure according to the tubular product of different wall thicknesses, inside transmission gear subassembly transmission through, transmission torque is big, it is big to reach the clamp force, clamping stability is high, drive four paws toward inboard motion simultaneously through gear drive, the linear performance of application guide rail, the linear guide transmission is followed to four paws, the automatic centering function is more accurate, need not to change in addition the adjustment jack catch position, one installation satisfies the full stroke and uses, through setting up the dustcoat, inside full closed system sets up, inside transmission space is isolated with the outside, the ash-free entering, guarantee pneumatic chuck's durable, the precision of laser pipe cutting machine will be improved greatly, characteristics such as life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the present invention.

Fig. 4 is a schematic structural diagram of the present invention.

In the figure: 1. a housing; 2. a jaw roller; 3. a centering jaw; 4. a linear guide rail; 5. a base; 6. a transmission gear assembly; 7. a transmission cylinder; 8. a bearing; 9. a gas input port; 61. a gear plate; 62. a worm gear; 63. a gear; 64. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, in an embodiment of the present invention, a high precision linear rail type pneumatic chuck includes a base 5, a bearing 8 and an outer cover 1 are installed on the base 5, the outer cover 1 is installed with a base plate far away from the bearing 8, the base plate is installed with a linear guide 4 far away from one side of the outer cover 1, a centering jaw 3 is installed on the linear guide 4, a jaw roller 2 is installed on the centering jaw 3, a transmission gear assembly 6 and a transmission cylinder 7 are installed on the inner side of the outer cover 1, the transmission cylinder 7 drives the centering jaw 3 to move through the transmission gear assembly 6, a gas input port 9 is installed on the transmission cylinder 7, the gas input port 9 extends to the outer side of the apparatus, the linear guide 4 is provided with four linear guides, the four linear guides 4 are distributed in a central symmetry manner, the linear guide 4 is fixed on the, The centering device comprises a gear 63 and a connecting rod 64, wherein the gear 63 is installed on the connecting rod 64, a transmission cylinder 7 drives a gear disc 61 to rotate through a worm gear 62, the gear disc 61 drives a centering jaw 3 to move through the gear 63, the gear 63 is respectively meshed with the gear disc 61 and the centering jaw 3, the number of the transmission cylinders 7 is two, the number of the gears 63 is four, and one or two jaw rollers 2 can be arranged; the size of four paws clamping-force is maintained to 7 side thrust of transmission cylinder, can adjust the size of atmospheric pressure according to the tubular product of different wall thicknesses, inside transmission gear subassembly 6 transmission through, transmission torque is big, it is big to reach the clamp force, clamping stability is high, drive four paws toward inboard motion simultaneously through gear 63 transmission, the linear performance of application linear guide 4, linear guide 4 transmission is followed to four paws, the automatic centering function is more accurate, need not to change in addition the adjustment jack catch position, a machine installation satisfies the full stroke and uses, through setting up housing 1, inside full closed system sets up, inside transmission space is isolated with the outside, the dustless entering, guarantee pneumatic chuck's durable, the precision of laser pipe cutting machine will be improved greatly, characteristics such as life.

The utility model discloses a theory of operation is: the size of four paws clamping-force is maintained to 7 side thrust of transmission cylinder, can adjust the size of atmospheric pressure according to the tubular product of different wall thicknesses, inside transmission gear subassembly 6 transmission through, transmission torque is big, it is big to reach the clamp force, clamping stability is high, drive four paws toward inboard motion simultaneously through gear 63 transmission, the linear performance of application linear guide 4, linear guide 4 transmission is followed to four paws, the automatic centering function is more accurate, need not to change in addition the adjustment jack catch position, a machine installation satisfies the full stroke and uses, through setting up housing 1, inside full closed system sets up, inside transmission space is isolated with the outside, the dustless entering, guarantee pneumatic chuck's durable, the precision of laser pipe cutting machine will be improved greatly, characteristics such as life.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision linear rail type pneumatic chuck comprises a base (5), and is characterized in that: install bearing (8) and dustcoat (1) on base (5), bearing (8) one side is kept away from in dustcoat (1) and the base plate is installed, the base plate is kept away from dustcoat (1) one side and is installed linear guide (4), install centering jack catch (3) on linear guide (4), install jack catch gyro wheel (2) on centering jack catch (3), dustcoat (1) inboard is provided with drive gear subassembly (6) and transmission cylinder (7), transmission cylinder (7) are through drive gear subassembly (6) drive centering jack catch (3) motion, be provided with gas input port (9) on transmission cylinder (7), gas input port (9) extend to the device outside.

2. A high precision wire track air chuck according to claim 1, wherein: the four linear guide rails (4) are arranged and distributed in a central symmetry mode, and the linear guide rails (4) are fixed on the base plate through bolts.

3. A high precision wire track air chuck according to claim 1, wherein: transmission gear assembly (6) comprises toothed disc (61), worm gear (62), gear (63) and connecting rod (64), install on connecting rod (64) gear (63), transmission cylinder (7) are rotated through worm gear (62) drive toothed disc (61), toothed disc (61) are through the motion of gear (63) drive centering jack catch (3), gear (63) respectively with toothed disc (61) and centering jack catch (3) meshing.

4. A high precision wire track air chuck according to claim 3, wherein: the number of the transmission cylinders (7) is two, and the number of the gears (63) is four.

5. A high precision wire track air chuck according to claim 1, wherein: the jaw rollers (2) can be arranged into one or two.