CN217475435U

CN217475435U - Clamp for manufacturing hole sites of precision parts

Info

Publication number: CN217475435U
Application number: CN202123222965.XU
Authority: CN
Inventors: 凌晓华
Original assignee: Suzhou Haiyun Mould Co ltd
Current assignee: Suzhou Haiyun Mould Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-09-23
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a clamp for manufacturing hole sites of precision parts, which comprises a lower support and a slide bar, wherein a positioning clamping seat is arranged on the upper side of the lower support, a first clamping seat and a second clamping seat are respectively arranged in the two ends of the positioning clamping seat in a sliding way, one end of the first clamping seat is in transmission connection with a first air cylinder, one end of the second clamping seat is in transmission connection with a second air cylinder, positioning clamping grooves are respectively arranged in one sides of the first clamping seat and the second clamping seat, upper pressing and positioning mechanisms are respectively arranged on the upper parts of the first clamping seat and the second clamping seat, and locking mechanisms are respectively arranged on the two ends of the first clamping seat and the second clamping seat, the utility model can carry out clamping and positioning processing on the circular precision parts through the positioning clamping grooves arranged in one sides of the first clamping seat and the second clamping seat, and can press and clamp the circular precision parts in the positioning clamping grooves through the upper pressing and positioning mechanisms arranged on the upper parts of the clamping seats, so that the clamping positioning stability is higher, the precision of precision parts processing is improved, the structure is simple, and the operation is convenient.

Description

Clamp for manufacturing hole sites of precision parts

Technical Field

The utility model relates to an accurate parts machining technical field specifically is an anchor clamps of preparation accurate part hole site.

Background

The clamp is an indispensable auxiliary device in machine tool machining, and the precision of the machined part can be controlled and ensured through the clamp, and the machining precision of the part is often influenced by the precision of the clamp. The part is fixed on the machine tool workbench through the clamp, the relative position of the part and the machine tool is kept unchanged, the processing time can be greatly reduced, and the processing cost is reduced. Through anchor clamps, can use the low accuracy lathe to process out the part of high accuracy, improve the lathe utilization ratio. The design of the clamp strives for simple structure, convenient manufacture and easy use and operation. Machining progresses rapidly, thereby ensuring the supply of various mechanical equipment required for development and production. Meanwhile, with the increase of production lots and the development of precision machining technology, the formation of mass production methods is also promoted. In the drilling process of the precision instrument, a clamp is required to be used for positioning treatment.

The fixture for manufacturing the hole site of the precision part, which is applied for CN201821561600.5 in the prior art, comprises a fixture body, wherein the bottom of the fixture body is provided with a base, the upper surface of the base is provided with a first mounting groove, the inside of the first mounting groove is fixedly provided with a first electric telescopic rod, one end of the first electric telescopic rod is fixedly provided with a first mounting seat, the first mounting groove is fixedly connected with the fixed end of the first electric telescopic rod, the first mounting seat is fixedly connected with the telescopic end of the first electric telescopic rod, the top of the precision part is fixed by arranging a first fixing device, the stability of fixing the precision part is improved, the precision part is prevented from displacing during drilling work, drilling deviation is avoided, the precision of drilling the precision part is ensured, resource waste is avoided, the production cost is reduced, and by arranging a first protection pad, protect precision parts, avoid the anchor clamps body to cause wearing and tearing to precision parts. However, the clamping and positioning stability is poor, and the clamping seat is easy to move during positioning and processing, so that the precision of processing precision parts is influenced, and the use requirement is difficult to meet well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps of preparation precision part hole site to it is relatively poor to solve among the prior art centre gripping positioning stability, and the holder location is easy to be removed man-hour moreover, thereby influences precision parts machining's precision, is difficult to the fine required problem of satisfying the use.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an anchor clamps of preparation precision part hole site, includes undersetting and slide bar, the location holder is installed to the undersetting upside, inside sliding respectively in location holder both ends is provided with first holder and second holder, first holder one end transmission is connected with first cylinder, second holder one end transmission is connected with the second cylinder, the location clamp groove has all been seted up to first holder and second holder one side inside, compress tightly positioning mechanism on first holder and the second holder upper portion all are installed, locking mechanical system is all installed at first holder and second holder both ends.

Furthermore, one end of the first air cylinder is connected with a first telescopic rod in a transmission mode, one end of the first telescopic rod is fixedly connected with one side of the first clamping seat, and the first air cylinder is fixedly installed on the outer side of one end of the positioning clamping seat.

Furthermore, a second telescopic rod is connected to one end of the second cylinder in a transmission mode, one end of the second telescopic rod is fixedly connected with one side of the second clamping seat, and the second cylinder is fixedly installed on the outer side of the other end of the positioning clamping seat.

Furthermore, guiding holes are formed in two side walls of the positioning clamping seat, and two ends of the first clamping seat and two ends of the second clamping seat are connected with the guiding holes in a sliding mode through sliding rods.

Furthermore, the upper pressing and positioning mechanism comprises a third cylinder arranged on one side of the upper ends of the first clamping seat and the second clamping seat, a lower pressing rod is arranged at one end of the third cylinder through a connecting plate, and a lower pressing sheet is arranged at the lower end of the lower pressing rod.

Further, the lower pressing sheet is arranged into an arc sheet shape, and the lower side of the lower pressing sheet is provided with an anti-slip pad.

Furthermore, locking mechanical system includes the external screw thread that the slide bar one end outside was equipped with, and external screw thread outside threaded mounting has lock nut.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a locating clip groove has all been seted up to first holder and second holder one side inside, and first holder of first cylinder and second cylinder drive and second holder remove the regulation to can carry out the centre gripping location to circular precision part and handle, make centre gripping location stability higher, be favorable to improving precision parts machining's precision, simple structure moreover, convenient operation.

2. The utility model discloses and through the last positioning mechanism that compresses tightly that holder upper portion was installed, go up the positioning mechanism that compresses tightly including setting up the third cylinder in first holder and second holder upper end one side, third cylinder one end is passed through the connecting plate and is installed down the depression bar, and the preforming is installed down to the depression bar lower extreme, and the preforming moves down under the third cylinder drive, can push down the centre gripping with circular precision part at the location clamp inslot, further improves precision part clamping position's stability.

3. The utility model discloses a locking mechanical system is all installed at first holder and second holder both ends, and locking mechanical system includes the external screw thread that the slide bar one end outside was equipped with, and external screw thread outside screw thread installs lock nut for can lock the location processing to the both ends of first holder or second holder after fixing, prevent that first holder or second holder location from adding man-hour removal, be favorable to improving precision parts machining's precision.

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 front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the positioning holder of the present invention;

fig. 3 is a schematic structural view of the upper pressing and positioning mechanism of the present invention.

In the figure: 1. positioning the clamping seat; 2. a lower support; 3. a first holder; 4. a first telescopic rod; 5. a first cylinder; 6. a guide hole; 7. a slide bar; 8. a second holder; 9. a second telescopic rod; 10. a second cylinder; 11. positioning the clamp groove; 12. a third cylinder; 13. a connecting plate; 14. a lower pressure lever; 15. pressing the mixture downwards; 16. a non-slip mat; 17. a locking nut; 18. and (4) external threads.

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.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a fixture for manufacturing a hole site of a precision part includes a lower support 2 and a slide rod 7, a positioning holder 1 is installed on the upper side of the lower support 2, a first holder 3 and a second holder 8 are slidably installed inside two ends of the positioning holder 1, one end of the first holder 3 is connected to a first cylinder 5 in a transmission manner, one end of the second holder 8 is connected to a second cylinder 10 in a transmission manner, positioning slots 11 are respectively formed inside one side of the first holder 3 and one side of the second holder 8, so that the first holder 3 and the second holder 8 can be driven by the first cylinder 5 and the second cylinder 10 to move and adjust, the two ends of the circular precision part can be clamped and positioned, upper portions of the first holder 3 and the second holder 8 are respectively provided with an upper pressing and positioning mechanism, the circular precision part can be pressed and clamped in the positioning slots 11, further improve the stability of precision parts clamping position, locking mechanical system is all installed at

first holder

3 and 8 both ends of second holder, prevents that

first holder

3 or 8 location of second holders from adding man-hour removal, is favorable to improving precision parts machining's precision.

Preferably, 5 one end transmissions of first cylinder are connected with first

telescopic link

4, 4 one ends of first telescopic link and 3 one side fixed connection of first holder, and 5 fixed mounting of first cylinder are in the 1 one end outside of location holder, are convenient for remove the regulation through 3 first holders of 5 drive of first cylinder, are convenient for carry out the centre gripping location to precision part one end.

Preferably, the transmission of 10 one ends of second cylinder is connected with second

telescopic link

9, and 9 one ends of second telescopic link and 8 one side fixed connection of second holder, second cylinder 10 fixed mounting are in the 1 other end outside of location holder, are convenient for remove the regulation through the 8 drive second holders of second cylinder 10, are convenient for carry out the centre gripping location to the precision part other end.

Preferably, guiding holes 6 are formed in two side walls of the positioning clamping seat 1, two ends of the first clamping seat 3 and two ends of the second clamping seat 8 are connected with the guiding holes 6 in a sliding mode through sliding rods 7, the guiding processing is conducted when the first clamping seat 3 and the second clamping seat 8 are adjusted in a moving mode, and the stability of clamping and positioning of the first clamping seat 3 and the second clamping seat 8 is improved.

Preferably, the upper pressing and positioning mechanism comprises a third cylinder 12 arranged on one side of the upper ends of the first clamping seat 3 and the second clamping seat 8, a lower pressing rod 14 is arranged at one end of the third cylinder 12 through a connecting plate 13, a lower pressing sheet 15 is arranged at the lower end of the lower pressing rod 14, the third cylinder 12 drives the lower pressing sheet 15 to move downwards, the circular precision part can be pressed and clamped in the positioning clamping groove 11, and the stability of clamping and positioning the precision part is further improved.

Preferably, the lower pressing plate 15 is configured into an arc-shaped plate, and a non-slip pad 16 is installed on the lower side of the lower pressing plate 15, so as to facilitate the clamping and positioning treatment of the upper outer side of the precision part.

Preferably, locking mechanical system includes the external screw thread 18 that slide bar 7 one end outside was equipped with, and the external screw thread 18 outside screw thread installs lock nut 17 for can lock the location processing to the both ends of fixed first holder 3 or second holder 8, prevent that first holder 3 or second holder 8 from fixing a position and adding the removal man-hour, be favorable to improving precision parts machining's precision.

The utility model discloses a theory of operation and use flow: to treat that the circular precision part of processing is placed in location clamp groove 11, then remove through first cylinder 5 and second cylinder 10 drive first holder 3 and second holder 8 and adjust, thereby can carry out the centre gripping location to circular precision part both ends and handle, then all install through first holder 3 and second holder 8 upper portion and compress tightly positioning mechanism, can push down the centre gripping with circular precision part in location clamp groove 11, make centre gripping location stability higher, be favorable to improving precision parts's precision, and the steam generator is simple in structure, and convenient operation.

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. The utility model provides a preparation precision parts hole site's anchor clamps, includes undersetting (2) and slide bar (7), its characterized in that: location holder (1) is installed to undersetting (2) upside, location holder (1) both ends are inside to slide respectively and are provided with first holder (3) and second holder (8), first holder (3) one end transmission is connected with first cylinder (5), second holder (8) one end transmission is connected with second cylinder (10), location clamping groove (11) have all been seted up to first holder (3) and second holder (8) one side inside, first holder (3) and second holder (8) upper portion all install and compress tightly positioning mechanism, locking mechanical system is all installed at first holder (3) and second holder (8) both ends.

2. The jig for manufacturing precision part hole sites of claim 1, wherein: first cylinder (5) one end transmission is connected with first telescopic link (4), first telescopic link (4) one end and first holder (3) one side fixed connection, first cylinder (5) fixed mounting is in the location holder (1) one end outside.

3. The jig for manufacturing precision part holes of claim 1, wherein: one end of the second cylinder (10) is connected with a second telescopic rod (9) in a transmission mode, one end of the second telescopic rod (9) is fixedly connected with one side of the second clamping seat (8), and the second cylinder (10) is fixedly installed on the outer side of the other end of the positioning clamping seat (1).

4. The jig for manufacturing precision part holes of claim 1, wherein: guiding holes (6) are formed in two side walls of the positioning clamping seat (1), and two ends of the first clamping seat (3) and two ends of the second clamping seat (8) are connected with the guiding holes (6) in a sliding mode through sliding rods (7).

5. The jig for manufacturing precision part holes of claim 1, wherein: the upper pressing and positioning mechanism comprises a third cylinder (12) arranged on one side of the upper ends of the first clamping seat (3) and the second clamping seat (8), a lower pressing rod (14) is installed at one end of the third cylinder (12) through a connecting plate (13), and a lower pressing sheet (15) is installed at the lower end of the lower pressing rod (14).

6. The jig for manufacturing precision part hole sites of claim 5, wherein: the lower pressing piece (15) is arranged into an arc-shaped sheet, and an anti-slip pad (16) is arranged on the lower side of the lower pressing piece (15).

7. The jig for manufacturing precision part holes of claim 1, wherein: the locking mechanism comprises an external thread (18) arranged on the outer side of one end of the sliding rod (7), and a locking nut (17) is installed on the outer side of the external thread (18) in a threaded mode.