CN213646726U

CN213646726U - Clamp for pipe fitting machining

Info

Publication number: CN213646726U
Application number: CN202022621000.7U
Authority: CN
Inventors: 张建年; 张涛; 曲朋朋; 孟繁玮; 范会宗; 张灯继
Original assignee: Tectubi Tianjin Fittings Co ltd
Current assignee: Tectubi Tianjin Fittings Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-09
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses an anchor clamps are used in pipe fitting processing, including actuating mechanism and fixture, fixture includes the same coaxial setting's of quantity interior grip block, outer grip block, and interior grip block passes through tenon and outer grip block joggle, and the centre gripping groove of centre gripping pipe fitting is constituteed to the interior week of a plurality of interior grip blocks, can come the pipe fitting of the different pipe diameters of centre gripping through changing interior grip block, actuating mechanism is connected with outer grip block and is used for controlling the centre gripping of outer grip block motion in order to realize fixture to the pipe fitting. The clamp for pipe fitting machining adopts a joggle mode to connect the inner clamping block and the outer clamping block, so that the pipe fitting machining is convenient to replace to adapt to pipe fittings of different specifications, the axis of the pipe fitting is always kept on the same straight line, later-stage adjustment is not needed, and the pipe fitting machining precision is improved.

Description

Clamp for pipe fitting machining

Technical Field

The utility model relates to a pipe fitting processing field, concretely relates to anchor clamps are used in pipe fitting processing.

Background

The pipe fitting is a general name of parts playing the roles of connecting, controlling, turning, shunting, sealing, supporting and the like in a pipeline system, when the pipe fitting is machined, a clamp is usually used for fixing the pipe fitting, the existing clamp can only be used for clamping the pipe fitting with a fixed pipe diameter generally, when the pipe fitting with different specifications is machined, the clamp needs to be frequently disassembled, the axis of the pipe fitting is difficult to keep at the same height, particularly when the groove of the pipe fitting is machined, the clamp needs to be calibrated so that the pipe fitting can be aligned to a cutter of a groove machine, the machining precision is low, and the machining efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a anchor clamps are used in pipe fitting processing to solve the problem that proposes among the above-mentioned background art.

In order to realize the above-mentioned purpose, the utility model provides an anchor clamps are used in pipe fitting processing, including actuating mechanism and fixture, fixture includes the same coaxial setting's of quantity interior grip block, outer grip block, and interior grip block passes through tenon and outer grip block joggle, and the centre gripping groove of centre gripping pipe fitting is constituteed to the interior week of a plurality of interior grip blocks, can come the pipe fitting of the different pipe diameters of centre gripping through changing interior grip block, actuating mechanism is connected with outer grip block and is used for controlling the centre gripping of outer grip block motion in order to realize fixture to the pipe fitting.

The driving mechanism comprises a fixed disc, a through hole for the pipe fitting to pass through is formed in the axis position of the fixed disc, a first gear is located inside the fixed disc and is coaxially arranged with the fixed disc, a lead screw is located on the periphery of the first gear and is rotatably connected with the inner wall of the fixed disc, the number of the lead screw is consistent with the number of the outer clamping blocks, one end of the lead screw penetrates through the fixed disc and is connected with a motor, a first rack meshed with the first gear is fixed on the lead screw and can horizontally reciprocate along with the rotation of the lead screw, inclined threads are arranged above the first rack, wedge-shaped convex blocks are arranged at the bottom of the outer clamping blocks, the convex blocks and the outer clamping blocks are integrally formed, thread grooves matched with the threads are formed in the upper surfaces of the convex blocks, and the convex blocks penetrate through strip-shaped openings in the.

Specifically, the inside spacing room that is equipped with of interior grip block, the spacing indoor locking mechanism that installs, locking mechanism includes the pivot, and pivot one end is stretched into in spacing room and is connected with spacing room bottom surface rotation, and the grip block in the other end is worn out, and the cover is equipped with the second gear with pivot interference fit in the pivot, second gear and the second rack meshing that is located spacing indoor, the second rack slides in the spout of the top surface of spacing room and bottom surface setting, and the second rack is fixed with the spring bolt towards one side of outside grip block, and relative with it is provided with the lockhole on the outer grip block.

Specifically, the number of the outer clamping blocks and the number of the inner clamping blocks are not less than two.

Specifically, one end of the rotating shaft, which extends out of the limiting chamber, is fixed with an end head, and the radius of the end head is larger than that of the rotating shaft.

Through anchor clamps for pipe fitting processing that above-mentioned technical scheme obtained, its beneficial effect is:

1. different specifications of pipe fittings to be processed are clamped by replacing different inner clamping blocks, the inner clamping blocks are connected with the outer clamping blocks in a joggle mode, and replacement is convenient and fast.

2. The driving device realizes linkage of all the outer clamping blocks, saves energy, ensures that the axis of the pipe fitting to be processed is always aligned with the axis of the processing device, and does not need later-stage adjustment.

3. The locking mechanism further fixes the connection relation between the inner clamping block and the outer clamping block, and the inner clamping block is prevented from being separated from the outer clamping block under the influence of external force.

Drawings

Fig. 1 is a schematic structural view of the clamp for pipe fitting machining according to the present invention.

Fig. 2 is a schematic view of the back structure of the clamping mechanism of the present invention.

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

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

In the figure, 1, a clamping mechanism; 11. an outer clamping block; 111. a bump; 112. a thread groove; 12. an inner clamping block; 121. a tenon; 13. a clamping groove; 2. a drive mechanism; 21. fixing the disc; 22. a through hole; 23. a first gear; 24. a lead screw; 25. a motor; 26. a first rack; 27. an opening; 3. a locking mechanism; 31. a rotating shaft; 32. a second gear; 33. a second rack; 34. a latch bolt; 35. and (4) a terminal.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in the figure, a anchor clamps are used in pipe fitting processing, including actuating mechanism 2 and fixture 1, fixture 1 includes the same interior clamping piece 12 of quantity, outer clamping piece 11, and interior clamping piece 12 passes through tenon 121 and the joggle of outer clamping piece 11, and tenon 121 and interior clamping piece 12 integrated into one piece, and the centre gripping groove 13 of centre gripping pipe fitting is constituteed to the interior week of a plurality of interior clamping pieces 12, and the annular external diameter that interior clamping piece 12 is constituteed is unanimous with the annular internal diameter that outer clamping piece 11 is constituteed, can come the pipe fitting of different pipe diameters of centre gripping through changing interior clamping piece 12, actuating mechanism 2 is connected with outer clamping piece and is used for driving outer clamping piece 11 motion in order to realize fixture 1 to the centre gripping of pipe fitting, and the connected mode of joggle makes the change of interior clamping piece 12 simple and convenient swift.

It should be noted here that the number of the inner clamping blocks 12 and the outer clamping blocks is not less than two.

The driving mechanism 2 comprises a fixed disc 21, through holes 22 for pipe fittings to pass through are arranged at the axis position of the fixed disc 21, a first gear 23 is positioned in the fixed disc 21 and is coaxially arranged with the fixed disc 21, a lead screw 24 is positioned at the periphery of the first gear 23 and is rotatably connected with the inner wall of the fixed disc 21, the number of the lead screw 24 is consistent with that of the outer clamping blocks 11, one end of one lead screw 24 penetrates through the fixed disc 21 and is connected with a motor 25, the motor 25 is fixed on the fixed disc 21, a first rack 26 meshed with the first gear 23 is fixed on the lead screw 24 and can horizontally reciprocate along with the rotation of the lead screw 24, inclined threads are arranged above the first rack 26, wedge-shaped convex blocks 111 are arranged at the bottom of the outer clamping blocks 11, the convex blocks 111 and the outer clamping blocks 11 are integrally formed, thread grooves 112 matched with the threads are arranged on the upper surfaces of the convex blocks 111, the convex blocks 111 pass through strip-shaped openings 27 on, the width of the opening 27 is the same as the width of the side of the lug 111 connected with the outer clamping block 11 and is vertical to the axial direction of the screw 24, and the wedge-shaped arrangement of the lug 111 can prevent the outer clamping block 11 from being separated from the fixed disc 21.

The driving mechanism 2 enables the outer clamping blocks 11 to move synchronously, and further ensures that the axes of the clamping pipes are always at the same position.

For better fixed interior grip block 12, interior grip block 12 is inside to be equipped with spacing room (not shown in the figure), and spacing indoor location has locking mechanism 3, locking mechanism 3 includes pivot 31, and pivot 31 one end is stretched into spacing indoor and is connected with spacing room bottom surface rotation, and grip block 12 in the other end is worn out, and the cover is equipped with second gear 32 with 31 interference fit of pivot on the pivot 31, second gear 32 with be located spacing indoor second rack 33 meshing, second rack 33 slides in the spout that the top surface of spacing room and bottom surface set up, and second rack 33 is fixed with spring bolt 34 towards one side of outside grip block 11, and relative with it is provided with the lockhole on the outer grip block 11.

The rotating shaft 31 is rotated to drive the second gear 32 to rotate, the second rack 33 moves horizontally in the limiting chamber, the bolt 34 enters the lock hole to fix the inner clamping block 12 and the outer clamping block 11, and the inner clamping block 12 is difficult to separate.

Specifically, a circular end 35 is fixed at one end of the rotating shaft 31 extending out of the inner clamping block 12 to facilitate the rotation of the rotating shaft 31, and the radius of the end 35 is larger than that of the rotating shaft 31.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The utility model provides an anchor clamps are used in pipe fitting processing, includes actuating mechanism (2) and fixture (1), its characterized in that, fixture (1) is including the same interior clamping block (12) of quantity, outer clamping block (11), and interior clamping block (12) and outer clamping block (11) joggle, and centre gripping groove (122) of centre gripping pipe fitting are constituteed to the interior week of a plurality of interior clamping blocks (12), actuating mechanism (2) are connected with outer clamping block (11) and are used for controlling outer clamping block (11) and move in order to realize fixture (1) the centre gripping to the pipe fitting.

2. The pipe fitting machining clamp according to claim 1, wherein the driving mechanism (2) comprises a fixed disc (21), a through hole (22) for a pipe fitting to pass through is formed in the axis position of the fixed disc (21), a first gear (23) is positioned inside the fixed disc (21) and coaxially arranged with the fixed disc (21), a lead screw (24) is positioned on the periphery of the first gear (23) and rotatably connected with the inner wall of the fixed disc (21) and has the same number as that of the outer clamping blocks (11), one end of one lead screw (24) penetrates through the fixed disc (21) and is connected with a motor (25), a first rack (26) meshed with the first gear (23) is fixed on the lead screw (24) and can horizontally reciprocate along with the rotation of the lead screw (24), inclined threads are arranged above the first rack (26), a wedge-shaped bump (111) is arranged at the bottom of the outer clamping block (11), a thread groove (112) matched with the threads is formed in the upper surface of the bump (111), the lug (111) passes through the strip-shaped opening (27) on the fixed disc (21) to be in contact with the first rack (26) and is driven by the first rack (26) to move away from and close to the axis.

3. The pipe fitting machining clamp according to claim 1, characterized in that a limiting chamber is arranged inside the inner clamping block (12), a locking mechanism (3) is installed in the limiting chamber, the locking mechanism (3) comprises a rotating shaft (31), one end of the rotating shaft (31) extends into the limiting chamber and is rotatably connected with the bottom surface of the limiting chamber, the other end of the rotating shaft penetrates out of the inner clamping block (12), a second gear (32) in interference fit with the rotating shaft (31) is sleeved on the rotating shaft (31), the second gear (32) is meshed with a second rack (33) located in the limiting chamber, the second rack (33) slides in sliding grooves formed in the top surface and the bottom surface of the limiting chamber, a locking bolt (34) is fixed on one side of the second rack (33) facing the outer clamping block (11), and a locking hole is formed in the outer clamping block (11) and is opposite to the locking bolt.

4. The clamp for machining a pipe fitting according to claim 1, wherein the number of the outer holding blocks (11) and the inner holding blocks (12) is not less than two.

5. The clamp for machining the pipe fitting according to claim 3, wherein a head (35) is fixed to one end of the rotating shaft (31) extending out of the limiting chamber, and the radius of the head (35) is larger than that of the rotating shaft (31).