CN211053153U

CN211053153U - Clamp

Info

Publication number: CN211053153U
Application number: CN201922048111.0U
Authority: CN
Inventors: 胡正鑫; 王玉萍
Original assignee: Nanjing Institute of Mechatronic Technology
Current assignee: Nanjing Institute of Mechatronic Technology
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-21
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a clamp, which comprises a first U-shaped plate, wherein a connecting rod is fixed at the center of the side wall of the first U-shaped plate, a second U-shaped plate is arranged in the first U-shaped plate, first rotating blocks are symmetrically embedded on the top surface and the bottom surface of the second U-shaped plate respectively, the contact part of the first rotating block and the second U-shaped plate is rotationally connected, the device enables the n-shaped plate to clamp the transverse pipe of the three-way workpiece through the arrangement of the n-shaped plate, and clamps the longitudinal pipe of the three-way workpiece and the n-shaped plate through the arrangement of the positioning plate, thereby effectively preventing the three-way pipe from shaking during processing, and then through the arrangement of the rotating block, the clamped three-way workpiece can rotate after one end surface is processed, and the three-way workpiece is fixed through the arrangement of the positioning hole on the retainer ring, then the other end face of the three-way workpiece is processed, and the processing work of the three-way workpiece is effectively and quickly completed.

Description

Clamp

Technical Field

The utility model relates to a warm logical field, concretely relates to anchor clamps.

Background

The machining of the three-way workpiece is always a difficult problem in turning. Tee bend work piece is T type work piece usually, T type work piece has three terminal surface, so its three terminal surfaces all need process when processing tee bend work piece, realize the inside vertical horizontal link up of tee bend work piece, but the fixed work piece that needs processing of clamp that current tee bend work piece clamping device can not stabilize, can lead to tee bend work piece to rock during processing like this, consequently can influence the machining precision, and because the three terminal surface of tee bend work piece all needs processing, often need adjust the orientation of tee bend work piece, but the orientation angle of regulation tee bend work piece that current tee bend work piece can not be nimble, consequently, an anchor clamps are urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problems, the utility model provides a clamp.

The utility model discloses a realize through following technical scheme:

a fixture comprises a first U-shaped plate, wherein a connecting rod is fixed at the center of the side wall of the first U-shaped plate, a second U-shaped plate is arranged in the first U-shaped plate, first rotating blocks are symmetrically embedded in the top surface and the bottom surface of the second U-shaped plate respectively, the first rotating blocks are rotatably connected with the contact part of the second U-shaped plate, rotating shafts are fixedly connected between the two first rotating blocks and the inner wall of the first U-shaped plate respectively, two retaining rings are respectively sleeved on the two rotating shafts in a sliding manner, the two retaining rings are respectively fixed on the outer wall of the second U-shaped plate through bolts, one retaining ring at the upper end is provided with two first positioning holes, the distance from the two first positioning holes to the axis of the retaining rings is the same, the central angle between the two first positioning holes is 90 degrees, a first positioning rod vertically penetrates through the upper transverse plate of the first U-shaped plate, and is slidably connected with the contact part of the first U-, the bottom end of the first positioning rod is arranged corresponding to the two first positioning holes, the top end of the first positioning rod is fixed with a first handle, a first tension spring is fixedly arranged between the bottom surface of the first handle and the top surface of the first U-shaped plate, the first tension spring is sleeved on the first positioning rod, a positioning plate is arranged between the upper transverse plate and the lower transverse plate of the second U-shaped plate in a sliding manner, a second rotating block is embedded in the side wall of the positioning plate and is rotationally connected with the contact part of the positioning plate, a threaded rod is fixed at the side end of the second rotating block, the other end of the threaded rod penetrates through the vertical plate of the second U-shaped plate and is fixedly connected with a second handle, the threaded rod is in threaded connection with the contact part of the second U-shaped plate, two groups of through holes are symmetrically formed in the upper transverse plate and the lower transverse plate of the second U-shaped plate respectively, the same n-shaped inserting plate is inserted into the two groups of through, diaphragm bottom surface is fixed with the fixed plate under the second U template, the second locating hole has been seted up respectively to two riser bottom departments of n type picture peg, slides respectively in two second locating holes and is equipped with the second locating lever, and two second locating lever sides pierce through the same diaphragm of fixed plate and fixedly connected with respectively, the fixed two second extension springs that are equipped with between diaphragm and the fixed plate, two second extension springs overlap respectively on two second locating levers.

Preferably, the distance between the two vertical plates of the n-type insert plate is the same as the outer diameter of the three-way workpiece to be machined.

Preferably, the distance between the upper transverse plate and the lower transverse plate of the second U-shaped plate is the same as the outer diameter of the three-way pipe to be processed.

Compared with the prior art, the beneficial effects of the utility model are that: this device passes through the setting of n template, make the n template press from both sides the horizontal pipe of tight tee bend work piece, the setting of rethread locating plate, vertical pipe and the n template clamp of tee bend work piece, the effectual three-way pipe that has prevented is adding man-hour and is rocking, later through the setting of rotatory piece, can make tight tee bend work piece process rotate after a terminal surface, and the setting through the locating hole on the retaining ring makes the tee bend work piece fix, then process another terminal surface to the tee bend work piece, and then effective quick completion tee bend work piece processing work.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a side view of the structure of fig. 1 of the present invention;

FIG. 3 is a schematic diagram of the operation of the present invention;

fig. 4 is a schematic diagram of the operation of the present invention.

In the figure: 1. the novel anti-theft door lock comprises a first U-shaped plate, 2 parts of a first connecting rod, 3 parts of a second U-shaped plate, 4 parts of a first rotating block, 5 parts of a rotating shaft, 6 parts of a retainer ring, 7 parts of a locking bolt, 8 parts of a first positioning hole, 9 parts of a first positioning rod, 10 parts of a first tension spring, 11 parts of a first handle, 12 parts of a positioning plate, 13 parts of a second rotating block, 14 parts of a threaded rod, 15 parts of a second handle, 16 parts of an n-shaped inserting plate, 17 parts of a second positioning hole, 18 parts of a second positioning rod, 19 parts of a fixing plate, 20 parts of a second tension spring, 21 parts of a transverse plate and 22 parts.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in fig. 1-4, a fixture comprises a first U-shaped plate 1, a connecting rod 2 is fixed at the center of the side wall of the first U-shaped plate 1, a second U-shaped plate 3 is arranged in the first U-shaped plate 1, first rotating blocks 4 are symmetrically embedded on the top surface and the bottom surface of the second U-shaped plate 3 respectively, the contact part of the first rotating block 4 and the second U-shaped plate 3 is rotatably connected, a rotating shaft 5 is fixedly connected between the two first rotating blocks 4 and the inner wall of the first U-shaped plate 1 respectively, two retaining rings 6 are slidably sleeved on the two rotating shafts 5 respectively, the two retaining rings 6 are fixed on the outer wall of the second U-shaped plate 3 respectively through bolts 7, two first positioning holes 8 are arranged on one retaining ring 6 at the upper end, the distance between the two first positioning holes 8 and the axis of the retaining ring 6 is the same, the central angle between the two first positioning holes 8 is 90 °, a first positioning rod 9 vertically penetrates through the upper transverse plate of the first U-shaped plate 1, the first positioning rod 9 is connected with the contact part of the first U-shaped plate 1 in a sliding manner, the bottom end of the first positioning rod 9 is arranged corresponding to the two first positioning holes 8, the top end of the first positioning rod 9 is fixed with a first handle 11, a first tension spring 10 is fixedly arranged between the bottom surface of the first handle 11 and the top surface of the first U-shaped plate 1, the first tension spring 10 is sleeved on the first positioning rod 9, a positioning plate 12 is arranged between the upper transverse plate and the lower transverse plate of the second U-shaped plate 3 in a sliding manner, a second rotating block 13 is embedded in the side wall of the positioning plate 12, the contact part of the second rotating block 13 and the positioning plate 12 is connected in a rotating manner, a threaded rod 14 is fixed at the side end of the second rotating block 13, the other end of the threaded rod 14 penetrates through the vertical plate of the second U-shaped plate 3 and is fixedly connected with a second handle 15, the threaded rod 14 is connected with the contact part of the second U-shaped plate 3 in a threaded manner, insert same n type picture peg 16 in two sets of through-holes 22, the interval between two risers of n type picture peg 16 is the same with the external diameter of the tee bend work piece of required processing, diaphragm bottom surface is fixed with fixed plate 19 under the second U template 3, second locating hole 17 has been seted up respectively to two riser bottom departments of n type picture peg 16, slides respectively in two second locating holes 17 and is equipped with second locating lever 18, and two second locating lever 18 sides pierce through fixed plate 19 and the same diaphragm 21 of fixedly connected with respectively, fixedly between diaphragm 21 and the fixed plate 19 be equipped with two second extension springs 20, two second extension springs 20 overlap respectively on two second locating levers 18.

The distance between the two vertical plates of the n-type inserting plate 16 is the same as the outer diameter of the three-way workpiece to be processed.

And the distance between the upper transverse plate and the lower transverse plate of the second U-shaped plate 3 is the same as the outer diameter of the three-way pipe to be processed.

The working principle is as follows: when the utility model is used, as shown in fig. 3 and 4, firstly, the fixture is fixed on the workbench of the three-way pipe processing equipment through the first connecting rod 2, then the two second positioning rods 18 are pulled outwards through the transverse plate 21, so that the side ends of the two second positioning rods 18 are respectively separated from the two second positioning holes 17, then the three-way workpiece to be processed is put into the second U-shaped plate 3, because the distance between the upper transverse plate and the lower transverse plate of the second U-shaped plate 3 is the same as the outer diameter of the three-way workpiece to be processed, the put three-way workpiece is attached to the inner wall of the second U-shaped plate 3, further the second U-shaped plate 3 can effectively prevent the three-way workpiece from shaking up and down, then the two vertical plates of the n-shaped plate insert 16 are respectively inserted into the two groups of through holes 22, the transverse pipe of the three-way workpiece is fixed between the two vertical plates of the n-shaped plate insert 16, because the distance between, so two risers of n type board plug 16 and the two-sided laminating of the tee bend work piece one end that needs processing, and then effectually prevent that the tee bend work piece from rocking from beginning to end, later release diaphragm 21, make second locating lever 18 reset under the effort of second extension spring 20, and then two second locating levers 18 reinsert two second locating holes 17 internal fixation n type board plug 16, rotate threaded rod 14 through second handle 15 afterwards, make locating plate 12 impel forward, and then press from both sides tight tee bend work piece between two risers of locating plate 12 and n type board plug 16, prevent tee bend work piece from rocking about. Can reach the purpose of firm clamp three-way work piece through above-mentioned step, add the tee bend work piece like this and can not produce to rock effectual improvement machining precision, and through the setting of two first locating levers 9, pull out first locating hole 8 alright with rotating second U template 3 to first locating lever 9 bottom through the first in command 11, because two first locating holes 8 are the same to the distance between the 6 axle centers of retaining ring, and the central angle between two first locating holes 8 is 90, so through rotating the orientation of the regulation three-way work piece that second U template 3 can be accurate, and then reach the purpose that three terminal surface of tee bend work piece all can be processed.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A clamp comprises a first U-shaped plate (1), and is characterized in that: first U template (1) lateral wall central authorities department is fixed with connecting rod (2), be equipped with second U template (3) in first U template (1), the symmetry embedding has first rotatory piece (4) respectively on second U template (3) top surface and the bottom surface, first rotatory piece (4) and second U template (3) contact department swivelling joint, two first rotatory pieces (4) respectively with first U template (1) between the inner wall fixedly connected with pivot (5), it has two retaining rings (6) to slide the cover respectively on two pivot (5), two retaining rings (6) are fixed on second U template (3) outer wall through bolt (7) respectively, and seted up two first locating hole (8) on a retaining ring (6) of upper end department, two first locating hole (8) are the same to the distance between retaining ring (6) axle center, and the central angle between two first locating hole (8) is 90, the upper transverse plate of the first U-shaped plate (1) is vertically provided with a first positioning rod (9) in a penetrating manner, the contact part of the first positioning rod (9) and the first U-shaped plate (1) is in sliding connection, the bottom end of the first positioning rod (9) is arranged corresponding to the two first positioning holes (8), the top end of the first positioning rod (9) is fixed with a first handle (11), a first tension spring (10) is fixedly arranged between the bottom surface of the first handle (11) and the top surface of the first U-shaped plate (1), the first tension spring (10) is sleeved on the first positioning rod (9), a positioning plate (12) is arranged between the upper transverse plate and the lower transverse plate of the second U-shaped plate (3) in a sliding manner, a second rotating block (13) is embedded into the side wall of the positioning plate (12), the contact part of the second rotating block (13) and the positioning plate (12) is in rotating connection, and a threaded rod (14) is fixed at the side end of the second, the other end of the threaded rod (14) penetrates through a vertical plate fixedly connected with a second handle (15) of the second U-shaped plate (3), the threaded rod (14) is in threaded connection with a contact part of the second U-shaped plate (3), two groups of through holes (22) are symmetrically formed in an upper transverse plate and a lower transverse plate of the second U-shaped plate (3) respectively, the same n-shaped inserting plate (16) is inserted into the two groups of through holes (22), the distance between the two vertical plates of the n-shaped inserting plate (16) is the same as the outer diameter of a required processed three-way workpiece, a fixing plate (19) is fixed on the bottom surface of the lower transverse plate of the second U-shaped plate (3), two vertical plates of the n-shaped inserting plate (16) are respectively provided with second positioning holes (17), second positioning rods (18) are respectively arranged in the two second positioning holes (17) in a sliding manner, and the side ends of the two second positioning rods (18, two second tension springs (20) are fixedly arranged between the transverse plate (21) and the fixing plate (19), and the two second tension springs (20) are respectively sleeved on the two second positioning rods (18).

2. A clamp as claimed in claim 1, wherein: the distance between the two vertical plates of the n-type inserting plate (16) is the same as the outer diameter of the three-way workpiece to be processed.

3. A clamp as claimed in claim 1, wherein: and the distance between the upper transverse plate and the lower transverse plate of the second U-shaped plate (3) is the same as the outer diameter of the three-way pipe to be processed.