CN214447532U - Core drilling self-clamping equipment - Google Patents

Abstract

The utility model relates to the technical field of drilling machine tool fixtures, in particular to a core drilling self-clamping device, which comprises a first chuck and a second chuck, wherein the clamping surface of the first chuck is arranged into an arc shape or a V shape, the clamping surface of the second chuck is arranged into an arc shape or a V shape corresponding to the first chuck, and the lower part of the clamping surface of the second chuck is arranged into a slope which gradually bulges from top to bottom; the first chuck is fixedly connected to the fixedly arranged first bearing plate, the middle part of the second chuck is hinged to the movably arranged second bearing plate, the second bearing plate is connected with the translation driving mechanism, and the translation driving mechanism is used for driving the second bearing plate to be close to or far away from the first bearing plate. The equipment can ensure that the raw material rock core is accurate and vertical, the charging is rapid, the second chuck generates cohesion by itself under the self weight of the raw material rock core and the pressure of the drill bit, the cohesion of the second chuck is relieved after the drill bit is lifted, the manual relief is not needed, the two chucks do not need to be cleaned after the drilling core is completed, the charging time is shortened, and the efficiency of rock core drilling work can be greatly improved by using the equipment.

Description

Core drilling self-clamping equipment

Technical Field

The utility model relates to a drilling machine frock clamp technical field, concretely relates to rock core bores and gets from clamping equipment.

Background

The core drilling work is that a raw material core (the diameter of the core is usually larger than 50 mm) is cut into a cylinder with the diameter larger than 100mm at present, then a manual straight clamp is used for vertically clamping, and a handle needs to be manually shaken when the core is clamped; and (3) debugging the rocker drill, after the drill bit and the raw material rock core are concentric, starting cooling water to drill, after the drilling is finished, shaking the handle of the clamp to release the clamping state, extracting the drill to take down a finished product, and cleaning waste residues. In addition, the diameters of the raw material cores of different batches of incoming materials are different.

The existing core drilling work has the following two problems, problem 1: displacement is generated in the vertical clamping process of the raw material core, and the vertical degree is not accurate; problem 2: when a rock core is drilled, the rocker drill is operated repeatedly to adjust the drill bit to the concentric state of the raw material rock core, so that the time and labor are wasted, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that exists with not enough above-mentioned, a rock core bores and gets from clamping equipment is provided, it adopts convex or V-arrangement clamping surface, can guarantee that the raw materials rock core is accurate vertical, it is swift to adopt the rock core to bore to get from clamping equipment to feed, chuck two is under raw materials rock core dead weight and drill bit pressure, produce cohesion by oneself, need not manual fastening, after boring, the back is mentioned to the drill bit, chuck cohesion is relieved, need not manual release fastening, after the drill core is accomplished, two chucks need not to clear up, when having shortened the material loading and using, use this equipment can greatly improve the efficiency that the rock core bored and get work, reduce the processing cost, and economic benefits is improved.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that:

the core drilling self-clamping equipment comprises a first clamping head and a second clamping head, wherein a clamping surface of the first clamping head is in an arc shape or a V shape, a clamping surface of the second clamping head is in an arc shape or a V shape corresponding to the first clamping head, and the lower part of the clamping surface of the second clamping head is provided with a slope gradually protruding from top to bottom; the clamp head I is fixedly connected to a fixedly arranged bearing plate I, the middle part of the clamp head II is hinged to a movably arranged bearing plate II, the bearing plate II is connected with a translation driving mechanism, and the translation driving mechanism is used for driving the bearing plate II to be close to or far away from the bearing plate I.

Further, in the above-mentioned core drill self-clamping device, the first chuck comprises a chuck body and a hard elastic material layer arranged on the inner side of the chuck body, and the second chuck comprises a chuck body, a hard elastic material layer arranged on the upper part of the inner side of the chuck body and a metal material layer with gradient arranged on the lower part of the inner side of the chuck body.

Further, in the above core drilling self-clamping apparatus, a slope of a lower portion of the clamping surface of the second chuck is an arc slope or a sloping slope.

Further, in the core drilling self-clamping device, the first chuck is connected to the first bearing plate through a fastener, the second chuck is hinged to the transition connecting plate, and the transition connecting plate is connected to the second bearing plate through a fastener.

Furthermore, in the above self-clamping device for core drilling, the first chuck is connected with the first bearing plate, the transition connecting plate is connected with the second bearing plate through pins, the pins are perpendicular to the connecting surface between the first chuck and the first bearing plate and the connecting surface between the transition connecting plate and the bearing plate, and detachment notches are arranged between the connecting surfaces of the first chuck and the first bearing plate and between the connecting surfaces of the transition connecting plate and the second bearing plate.

Furthermore, in the above core drilling self-clamping device, a sliding block is arranged at the lower part of the second bearing plate and is connected in a guide rail on the base through the sliding block in a sliding manner, the translation driving mechanism comprises a screw rod and a screw rod supporting seat, one end of the screw rod is screwed in a screw hole in the second bearing plate, the other end of the screw rod is connected with a hand wheel, and the screw rod supporting seat is arranged on the side edge of the base and is used for supporting the screw rod and limiting the axial movement of the screw rod.

Furthermore, in the above core drilling self-clamping device, a clamping groove for limiting the axial movement of the lead screw is arranged in the lead screw supporting seat, and a shaft shoulder matched with the clamping groove is arranged on the lead screw.

Further, in the core drilling self-clamping device, a baffle is connected to the lower portion of the inner side of the second bearing plate and used for shielding a lead screw and a guide rail on the lower portion.

Furthermore, in the above core drilling self-clamping device, the first bearing plate is fixedly connected to one side of the base plate, the middle of the base plate is provided with a waste discharge hole, the base is fixedly connected to the other side of the base plate, and the inner side of the base extends into the upper part of the waste discharge hole for a certain distance.

Further, in the above core drilling self-clamping apparatus, the hard elastic material layer is a plastic layer or a hard rubber layer.

The utility model discloses a rock core bores from clamping apparatus's beneficial effect:

the utility model discloses a rock core bores and gets self-holding equipment because the clamping surface of two chucks sets up to arc or V font, can guarantee that raw materials rock core is accurate vertical, after the rocker arm bores drill bit location and drilling size setting, can fully guarantee that raw materials rock core and drill bit are concentric, need not repeatedly adjust the drill bit position after each is loaded; the core drilling self-clamping device is adopted for fast loading, and the second chuck automatically generates cohesion force under the self weight of the raw material core and the pressure of the drill bit without manual fastening; after drilling is finished, after the drill bit is lifted, the cohesive force of the chuck is relieved, and manual release of fastening is not needed; after the drill core is finished, the waste materials of the outer ring of the raw material rock core can freely fall into the waste material discharge hole of the bottom plate and are discharged downwards under the impact of the cooling water of the drill bit, and the two chucks do not need to be cleaned, so that the time for feeding is shortened.

The utility model discloses a rock core bores and gets self-holding equipment can adjust the distance between chuck one and the chuck two through translation actuating mechanism to adapt to the raw materials rock core of different diameters.

The utility model discloses a rock core bores and gets from clamping equipment, the inboard upper portion of the inboard of chuck one and chuck two adopts the stereoplasm elastic material layer, can improve the cohesion of chuck to the raw materials rock core, the inboard lower part of chuck two sets up to the metallic material layer that has the slope, metallic material layer hardness is big, the raw materials rock core only can progressively convert the horizontal force that produces chuck two into the cohesion of chuck two upper portions to the raw materials rock core through the rotation of chuck two, and can not make the raw materials rock core extrude from two chucks.

The utility model discloses an among the rock core bores and gets from the clamping equipment, be pin joint between two chucks and the load board, be convenient for change the chuck of different specifications to adapt to different batch's raw materials rock core.

The utility model discloses a rock core bores and gets self-holding equipment, structural design is reasonable, and the part is firm reliable, and the during operation has the linkage from the tight performance, need not to consume energy such as electric power, hydraulic pressure, pneumatics, has energy-conservation, safe characteristics.

Adopt the utility model discloses a rock core bores and gets from clamping apparatus and bores and get the rock core, and the current situation of work is bored to the contrast present rock core, and this equipment is novel in design, has the practicality, can improve rock core machining precision, reduce intensity of labour, save time, improve the work efficiency to reduce the processing cost, improve economic benefits.

Drawings

Fig. 1 is a schematic structural view of a core drilling self-clamping apparatus according to an embodiment of the present invention.

Fig. 2 is one of the schematic structural diagrams of a core drill self-clamping apparatus clamping a raw material core according to an embodiment of the present invention.

Fig. 3 is a second schematic diagram of a core drilling self-clamping apparatus clamping a raw material core according to an embodiment of the present invention.

FIG. 4 is a schematic sectional view A-A of FIG. 1.

Fig. 5 is a schematic sectional structure view of B-B of fig. 1.

Fig. 6 is a schematic sectional structure view of C-C of fig. 1.

Fig. 7 is a schematic sectional view of the structure of fig. 1 taken along line D-D.

Fig. 8 is a schematic perspective view of a first clamp according to an embodiment of the present invention.

Fig. 9 is a schematic perspective view of a second chuck according to an embodiment of the present invention.

Fig. 10 is an enlarged schematic view of a part I according to an embodiment of the present invention.

Fig. 11 is a schematic top view of the structure of fig. 3.

Fig. 12 is an exploded schematic view of an assembly of the second chuck, the second pin and the second bearing plate according to the embodiment of the present invention.

In the figure: the clamp comprises a first clamp 1, a first clamp body 1-1, a hard elastic material layer 1-2, a second clamp body 2-1, a hard elastic material layer 2-2, a metal material layer 2-3, a first force bearing plate 3, a second force bearing plate 4, a disassembly notch 5, a pin 6, a sliding block 7, a base 8, a lead screw 9, a lead screw support seat 10, a hand wheel 11, a shaft shoulder 12, a baffle 13, a bottom plate 14, a waste discharge hole 15, a raw material core 16, a transition connecting plate 17 and a pin shaft 18.

Detailed Description

The present invention will be described in more detail below with reference to the accompanying drawings, in which a core drilling self-clamping apparatus is described in detail.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 11, the embodiment discloses a core drilling self-clamping device, which comprises a first clamping head and a second clamping head, wherein a clamping surface of the first clamping head is in an arc shape or a V shape, a clamping surface of the second clamping head is in an arc shape or a V shape corresponding to the first clamping head, and the lower part of the clamping surface of the second clamping head is provided with a slope gradually protruding from top to bottom; the first chuck is fixedly connected to the fixedly arranged first bearing plate, the middle of the second chuck is hinged to the movably arranged second bearing plate through a pin shaft 18, the second bearing plate is connected with the translation driving mechanism, and the translation driving mechanism is used for driving the second bearing plate to be close to or far away from the first bearing plate, so that the drill core clamp can adapt to raw material cores with different diameters. When the raw material core moves downwards to contact with the lower part of the second chuck, the lower part of the second chuck horizontally expands under the driving of the self weight of the raw material core, the upper part of the second chuck is linked to generate cohesive force to the raw material core under the action of lever force, the vertical pressure on the raw material core is increased when the drill bit works, and then the horizontal expansion force generated by the lower part of the second chuck is increased, so that the cohesive force generated by the upper part of the second chuck is correspondingly increased, after the core is drilled, the drill bit is lifted, the horizontal expansion force borne by the lower part of the second chuck is relieved, and the cohesive force on the upper part of the second chuck is relieved accordingly.

In this embodiment, preferably, chuck one includes the chuck body and sets up the hard elastic material layer in chuck body inboard, chuck two includes the chuck body, set up the hard elastic material layer on chuck body inboard upper portion and set up the metallic material layer that has the slope in chuck body inboard lower part, it can strengthen the cohesion effect of chuck one and two pairs of raw materials cores of chuck to set up hard elastic material layer, set up metallic material layer, conveniently make hard elastic material layer and metallic material layer smooth transition, metallic material layer adopts the preparation of high strength metallic material, guarantee that the raw materials core can not be extruded from the lower part, hard elastic material layer and metallic material layer all can adopt the high strength adhesive to bond at chuck body inboard in addition.

In this embodiment, preferably, the slope of the lower portion of the clamping surface of the second chuck is an arc slope, which enables the change of the transverse size of the lower portion of the second chuck to be larger, so that the raw material core is not easy to fall out.

In this embodiment, preferably, the first chuck is connected to the first force bearing plate through a fastener, the second chuck is hinged to the transition connecting plate, and the transition connecting plate is connected to the second force bearing plate through a fastener, so that the first chuck and the second chuck can be replaced conveniently. Specifically, a first chuck is connected with a first bearing plate, a transition connecting plate is connected with a second bearing plate through pins, the pins are tightly matched with pin holes on the first chuck, the first bearing plate, the transition connecting plate and the bearing plate, the pins are perpendicular to a connecting surface between the first chuck and the first bearing plate and a connecting surface between the transition connecting plate and the bearing plate, clamping forces of a first chuck and a second chuck on two pairs of raw core cores are perpendicular to contact surfaces of the first chuck and the second chuck on the raw core cores, reaction forces of the clamping forces are perpendicular to the connecting surface between the first chuck and the first bearing plate and the connecting surface between the transition connecting plate and the bearing plate, so that the reaction forces of the clamping forces are consistent with the axial direction of the pins, no shearing force is generated on the pins, the service life of the pins can be prolonged, and disassembly gaps are respectively arranged between the connecting surfaces of the first chuck and the first bearing plate and between the connecting surfaces of the transition connecting plate and the second bearing plate, the first chuck and the second chuck are convenient to disassemble, and the chucks of different specifications are convenient to replace.

In this embodiment, preferably, the lower part of bearing board two is equipped with the slider to in the guide rail on the frame through slider sliding connection, translation actuating mechanism includes lead screw and lead screw supporting seat, the one end spiro union of lead screw is in the screw on bearing board two, the other end is connected with the hand wheel, the lead screw supporting seat sets up the side at the frame, an axial displacement for supporting the lead screw and limiting the lead screw, can make the lead screw rotatory through rotatory hand wheel, the rotatory axial of lead screw is thought motionless, can drive bearing board two and chuck two horizontal migration, can adapt to the raw materials rock core of different diameters.

Specifically, a clamping groove for limiting the axial movement of the lead screw is arranged in the lead screw supporting seat, and a shaft shoulder matched with the clamping groove is arranged on the lead screw.

In this embodiment, preferably, the lower part of the inner side of the second bearing plate is connected with a baffle plate, and the baffle plate is used for shielding a lead screw and a guide rail at the lower part, so that after the core is drilled, waste materials on the outer ring of the raw material core can be prevented from damaging the lead screw and falling into the guide rail.

In this embodiment, preferably, the first bearing plate is fixedly connected to one side of the bottom plate, the middle of the bottom plate is provided with a waste discharge hole, after the core drilling is finished, the waste of the outer ring of the raw material core can freely fall into the waste discharge hole under the impact of the drill cooling water, and then is discharged downwards, the base is fixedly connected to the other side of the bottom plate, and the inner side of the base extends into the upper part of the waste discharge hole for a certain distance, so that the first chuck and the second chuck can clamp the raw material core within a larger diameter range.

In this embodiment, specifically, the hard elastic material layer is a plastic layer or a hard rubber layer.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes may be made to the specific embodiments without departing from the concept of the present invention, and various combinations of the technical features and structures of the present invention may be implemented without departing from the scope of the present invention.

Claims (10)

1. The core drilling self-clamping equipment is characterized by comprising a first clamping head and a second clamping head, wherein the clamping surface of the first clamping head is in an arc shape or a V shape, the clamping surface of the second clamping head is in an arc shape or a V shape corresponding to the first clamping head, and the lower part of the clamping surface of the second clamping head is provided with a slope gradually protruding from top to bottom; the clamp head I is fixedly connected to a fixedly arranged bearing plate I, the middle part of the clamp head II is hinged to a movably arranged bearing plate II, the bearing plate II is connected with a translation driving mechanism, and the translation driving mechanism is used for driving the bearing plate II to be close to or far away from the bearing plate I.

2. The core drilling self-clamping device as claimed in claim 1, wherein the first chuck comprises a chuck body and a hard elastic material layer arranged inside the chuck body, and the second chuck comprises a chuck body, a hard elastic material layer arranged on the upper part of the inside of the chuck body and a graded metal material layer arranged on the lower part of the inside of the chuck body.

3. The core drilling self-clamping device as claimed in claim 1 or 2, wherein the slope of the lower part of the clamping surface of the second clamping head is an arc slope or an oblique slope.

4. The core drilling self-clamping device as claimed in claim 3, wherein the first chuck is connected to the first bearing plate through a fastener, the second chuck is hinged to the transition connecting plate, and the transition connecting plate is connected to the second bearing plate through a fastener.

5. The core drilling self-clamping device as claimed in claim 4, wherein the first chuck and the first bearing plate, and the transition connecting plate and the second bearing plate are connected through pins, the pins are perpendicular to the connecting surface between the first chuck and the first bearing plate and the connecting surface between the transition connecting plate and the bearing plate, and detachment notches are formed between the connecting surfaces of the first chuck and the first bearing plate and between the transition connecting plate and the second bearing plate.

6. The core drilling self-clamping device as claimed in claim 1, wherein a sliding block is arranged at the lower part of the second bearing plate and is slidably connected in a guide rail on the machine base through the sliding block, the translation driving mechanism comprises a lead screw and a lead screw supporting seat, one end of the lead screw is screwed in a screw hole in the second bearing plate, the other end of the lead screw is connected with a hand wheel, and the lead screw supporting seat is arranged at the side edge of the machine base and is used for supporting the lead screw and limiting the axial movement of the lead screw.

7. The core drilling self-clamping device as claimed in claim 6, wherein a clamping groove for limiting axial movement of the lead screw is arranged in the lead screw supporting seat, and a shaft shoulder matched with the clamping groove is arranged on the lead screw.

8. The core drilling self-clamping device as claimed in claim 6, wherein a baffle is connected to the lower part of the inner side of the second bearing plate and used for shielding a lead screw and a guide rail at the lower part.

9. The core drilling self-clamping device as claimed in claim 6, wherein the first bearing plate is fixedly connected to one side of the base plate, the middle of the base plate is provided with a waste discharge hole, the base is fixedly connected to the other side of the base plate, and the inner side of the base extends into the upper part of the waste discharge hole for a certain distance.

10. The core drilling self-clamping apparatus as recited in claim 2, wherein the layer of hard elastomeric material is a layer of plastic or hard rubber.

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