CN214920670U

CN214920670U - Novel precision positioning clamp

Info

Publication number: CN214920670U
Application number: CN202120515887.3U
Authority: CN
Inventors: 戴细香
Original assignee: Dongguan Gaocai Mould Technology Co ltd
Current assignee: Dongguan Gaocai Mould Technology Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-30
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a novel precision positioning anchor clamps, which comprises a bracket, and locate anchor clamps on the support, step motor, the screw rod, the guide arm, the slide, be equipped with the shaft slot on the both ends curb plate of support respectively, the bearing, the shaft slot internal rotation is pegged graft and is had the pivot, the last mount pad that is equipped with of step motor, be equipped with the cylinder on the mount pad, all be equipped with anchor clamps in the telescopic link of cylinder and the pivot, the extrusion centre gripping has tubular product on the anchor clamps, be equipped with the guide hole on the slide, the screw, the rig group, screw and screw rod threaded connection, it is provided with the connecting axle to rotate on the left side board of support, be equipped with the fine tuning gear on the connecting axle, the second turning handle, be equipped with the coarse tuning gear on the screw rod, first turning handle, fine tuning gear and coarse tuning gear meshing are connected. The precise rotation adjusting and positioning of the clamped pipe and the precise adjusting and positioning of the transverse thickness of the drilling unit are realized, and the precise drilling quality of the clamped pipe through the drilling machine set is greatly improved.

Description

Novel precision positioning clamp

Technical Field

The utility model belongs to the technical field of positioning fixture, specifically be a novel precision positioning fixture.

Background

The metal pipe is the building tubular product commonly used, and it is generally six meters one after the batch production comes out, can cut off for the length that needs at the later stage according to the needs of processing drawing, moreover, still need drill on tubular product a bit, consequently need drill hole again after to tubular product centre gripping.

However, the existing clamping device for clamping the pipe cannot precisely rotate the pipe and cannot precisely transversely position the drilling unit, so that the precision of drilling the pipe is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel precision positioning anchor clamps to solve among the prior art through the rig group to the relatively poor problem of precision drilling quality by centre gripping tubular product.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel precision positioning anchor clamps, includes the support to and locate anchor clamps, step motor, screw rod, guide arm, slide on the support, be equipped with axle slot, bearing on the both ends curb plate of support respectively, the axle slot internal rotation is pegged graft and is had the pivot, the last mount pad that is equipped with of step motor, be equipped with the cylinder on the mount pad, all be equipped with anchor clamps in the telescopic link of cylinder and the pivot, the extrusion centre gripping has tubular product on the anchor clamps, be equipped with guide hole, screw, rig group on the slide, screw and screw rod threaded connection, it is provided with the connecting axle to rotate on the left side board of support, be equipped with fine tuning gear, second turning handle on the connecting axle, be equipped with coarse tuning gear, first turning handle on the screw rod, this novel structure that uses except special explanation, all adopts forty five steel to make, and intensity is high, easy welding process.

Preferably, the cross-section of anchor clamps is L shape structure, the internal face of anchor clamps is equipped with the skid resistant course, and the skid resistant course is made for EPDM ethylene propylene diene monomer material, and its surface has soft non-slip raised, very big improvement to the non-skid property of tubular product centre gripping.

Preferably, the fine adjustment gear is meshed with the coarse adjustment gear, and the diameter of the fine adjustment gear is half of that of the coarse adjustment gear, so that when the fine adjustment gear rotates, the coarse adjustment gear and the screw rotate slowly through meshing transmission, and further the transverse fine adjustment effect of the lower drilling unit is achieved.

Preferably, the stepping motor is 42HS40, which is an electric motor for converting electric pulse signals into corresponding angular displacement, the precision of the motor shaft is high and stable when rotating, so as to realize the precise rotation adjustment and positioning of the clamped pipe, the air cylinder is SC series standard air cylinder, and the air cylinder and the SC series standard air cylinder are both connected to an external power supply socket through wires.

Preferably, the internal face of shaft slot is equipped with the damping layer, and the damping layer is the silica gel pad material, has damping friction nature, guarantees step motor and rotates the stability when accurate regulation.

Preferably, the connecting shaft is provided with a stop block, so that the connecting shaft is prevented from transversely deviating while the rotation of the connecting shaft is ensured.

Preferably, the mounting hole of the bearing is fixedly sleeved with the screw, and the bearing is a common thrust ball bearing, so that the bearing has high axial load bearing capacity and ensures the stability of the screw during rotation, adjustment and positioning.

Preferably, the drill unit is arranged at the lower end of the sliding seat and comprises a sleeve, a sliding rod, a return spring, a drilling motor, a drill clamp and a drill bit, when the drill unit is positioned, the drilling motor is started, the sliding rod is moved downwards to drive the drill bit to downwards drill the pipe, and after the drill unit is loosened, the return spring drives the sliding rod to move upwards to slide and realize the reset of the drill bit so as to prepare for the next drilling, so that the drill unit is convenient to use.

Preferably, the guide hole is in sliding sleeve connection with the guide rod, so that stable guidance performance of the sliding seat during transverse adjustment is guaranteed.

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

through the stepping motor structure arranged at the clamp part and the screw transverse adjusting structure with the coarse adjusting gear and the coarse adjusting gear arranged on the support, the precise rotation adjusting and positioning of the clamped pipe and the precise thickness adjusting and positioning of the drill unit in the transverse direction are realized, and the precision drilling quality of the clamped pipe through the drill unit is greatly improved.

Drawings

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

fig. 2 is a cross-sectional view of a-a of fig. 1 according to the present invention;

fig. 3 is a side view of the engaging and connecting structure of the rough adjusting gear and the rough adjusting gear in fig. 1 according to the present invention.

In the figure: the device comprises a support 1, a bearing 11, a guide rod 12, a shaft groove 2, a damping layer 21, a rotating shaft 22, a clamp 3, an antiskid layer 31, a stepping motor 4, a mounting seat 41, an air cylinder 42, a screw rod 5, a coarse adjusting gear 51, a first rotating handle 52, a sliding seat 6, a guide hole 61, a screw hole 62, a connecting shaft 7, a stop block 71, a fine adjusting gear 72, a second rotating handle 73, a drill unit 8 and a pipe 9.

Detailed Description

Referring to fig. 1, 2 and 3, a novel precision positioning fixture comprises a support 1, a fixture 3, a stepping motor 4, a screw 5, a guide rod 12 and a slide 6, wherein the fixture 3, the stepping motor 4, the screw 5, the guide rod 12 and the slide 6 are arranged on the support 1, shaft grooves 2 and bearings 11 are respectively arranged on side plates at two ends of the support 1, a rotating shaft 22 is rotatably inserted in the shaft grooves 2, a damping layer 21 is arranged on the inner wall surface of the shaft grooves 2, a mounting seat 41 is connected to a motor shaft of the stepping motor 4 in a key manner, an air cylinder 42 is arranged on the mounting seat 41, the fixture 3 is welded on an expansion link of the air cylinder 42 and the rotating shaft 22, a pipe 9 is extruded and clamped on the fixture 3, the slide 6 is provided with a guide hole 61, a screw hole 62 and a unit drill 8, the unit 8 is arranged at the lower end of the slide 6, the screw hole 62 is connected with the screw 5 in a threaded manner, a connecting shaft 7 is rotatably arranged on a left side plate of the support 1, a fine adjustment gear 72 is connected to the connecting shaft 7 in a key manner, a coarse adjustment gear 51 is connected to the screw 5 in a key manner, the fine adjustment gear 72 is meshed with the coarse adjustment gear 51, the mounting hole of the bearing 11 is fixedly sleeved with the screw 5, and the connecting shaft 7 is welded with the stop block 71, so that the connecting shaft 7 is prevented from transversely deviating while the rotation of the connecting shaft 7 is ensured.

Referring to fig. 1 and 2, the cross section of the clamp 3 is an L-shaped structure, the inner wall surface of the clamp 3 is bonded with an anti-slip layer 31, and the surface of the anti-slip layer 31 has a soft anti-slip protrusion, so that the anti-slip property for clamping the pipe 9 is greatly improved.

Referring to fig. 1, two ends of the guide rod 12 are welded to the bracket 1, and the guide hole 61 is slidably sleeved with the guide rod 12 to ensure stable guiding performance when the sliding base 6 is adjusted transversely.

The working principle of the scheme is as follows: firstly starting the air cylinder 42, extending the telescopic rod of the air cylinder 42 rightwards to drive the left clamp 3 to translate rightwards, stopping the air cylinder 42 after the preset pipe 9 is stably clamped by the clamps 3 on the two sides, then starting the stepping motor 4 according to the design requirement of a drawing, enabling the motor shaft of the stepping motor 4 to precisely and stably rotate forwards or backwards to reach the part to be drilled on the pipe 9, stopping the stepping motor 4, then holding the first rotating handle 52 to rotate forwards or backwards to drive the screw 5 to rotate rapidly, driving the sliding seat 6 to rapidly move leftwards or rightwards through the screw transmission of the screw hole 62, stopping rotating the first rotating handle 52 when the lower drilling unit 8 moves to the position to be drilled close to the lower pipe 9, then holding the second rotating handle 73 to rotate forwards or backwards, driving the rough adjusting gear 51 and the screw 5 to rotate slowly and precisely through the fine adjusting gear 72, and further driving the lower drilling unit 8 to transversely move transversely at a low speed and precisely, and drilling until the drill bit of the drilling unit 8 reaches the position of the pipe 9 to be drilled.

This novel realization is adjusted the location and is adjusted the location to the thickness precision adjustment who drills the unit 8 horizontal by the precision rotation of centre gripping tubular product 9, and then very big improvement is through boring the unit 8 to the precision drilling quality by centre gripping tubular product 9.

Claims

1. The utility model provides a novel precision positioning anchor clamps, includes support (1) to and locate anchor clamps (3), step motor (4), screw rod (5), guide arm (12), slide (6) on support (1), its characterized in that: the side plates at the two ends of the bracket (1) are respectively provided with a shaft groove (2) and a bearing (11), a rotating shaft (22) is rotatably inserted in the shaft groove (2), a mounting seat (41) is arranged on the stepping motor (4), the mounting seat (41) is provided with an air cylinder (42), the telescopic rod of the air cylinder (42) and the rotating shaft (22) are both provided with a clamp (3), the clamp (3) is extruded to clamp a pipe (9), the slide seat (6) is provided with a guide hole (61), a screw hole (62) and a drilling unit (8), the screw hole (62) is in threaded connection with the screw rod (5), the left side plate of the bracket (1) is rotatably provided with a connecting shaft (7), a fine adjustment gear (72) and a second rotating handle (73) are arranged on the connecting shaft (7), the screw rod (5) is provided with a rough adjusting gear (51) and a first rotating handle (52), and the fine adjusting gear (72) is meshed with the rough adjusting gear (51).

2. The novel precision positioning fixture of claim 1, characterized in that: the cross section of the clamp (3) is of an L-shaped structure, and an anti-skid layer (31) is arranged on the inner wall surface of the clamp (3).

3. The novel precision positioning fixture of claim 1, characterized in that: and a damping layer (21) is arranged on the inner wall surface of the shaft groove (2).

4. The novel precision positioning fixture of claim 1, characterized in that: the connecting shaft (7) is provided with a stop block (71).

5. The novel precision positioning fixture of claim 1, characterized in that: and the mounting hole of the bearing (11) is fixedly sleeved with the screw rod (5).

6. The novel precision positioning fixture of claim 1, characterized in that: the drilling unit (8) is arranged at the lower end of the sliding seat (6).

7. The novel precision positioning fixture of claim 1, characterized in that: the guide hole (61) is sleeved with the guide rod (12) in a sliding mode.