CN219171307U

CN219171307U - Stone processing device for small plate

Info

Publication number: CN219171307U
Application number: CN202223483487.2U
Authority: CN
Inventors: 许登飞
Original assignee: China Railway Construction Engineering Group Co Ltd
Current assignee: China Railway Construction Engineering Group Co Ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-13
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to a stone material processing equipment field specifically discloses little plate stone material processingequipment, and it includes can move vertically and horizontally along with the digit control machine tool U type support, but the support is relative the three kinds of drill bits that the face can coaxial fixed, and wherein first drill bit is used for opening the trompil in advance, and the third drill bit is used for expanding the bell mouth to the decorative cover bottom surface, and the second drill bit is used for finally cutting out finished product decorative hole. The problem that current stone material trompil processingequipment can produce great impact force at stone material cutting penetration instant, causes stone material to collapse the limit has been solved to this scheme.

Description

Stone processing device for small plate

Technical Field

The utility model relates to the field of stone processing equipment, in particular to a small plate stone processing device.

Background

The present building field puts forward the molding demand to porous stone material, needs to open a plurality of decoration holes in order to satisfy the outward appearance design effect on the stone material promptly, and this kind of decoration hole is the fretwork pass that the edge has the camber, and its size, shape are according to the design demand that the customer put forward.

Because of the special physical properties of the stone, the size, shape and position of the hole pattern need to be considered more before the stone is drilled than the metal plate and the compound plate, so that the strength and the deformation of the processed stone can reach the relevant standards in GBT18601-2009 natural granite building plate. When drilling, the stone perforating device can generate larger impact force at the moment of stone cutting and penetrating, the edge breakage at the cutting edge position of the stone surface is extremely easy to cause, and the surface of a product is lack, so that stone perforating processing is usually started from a stone decorative surface, the finished product reject ratio of the stone decorative surface is reduced, the edge breakage phenomenon still exists at the back of the stone, the edge breakage and the edge breakage are processed only through a glue repairing method, and a customer with strict products can refuse to accept the glue repairing product, so that the processing cost is greatly increased.

Disclosure of Invention

The utility model provides a small plate stone machining device, which aims to solve the problem that the existing stone perforating device can generate larger impact force at the moment of stone cutting and penetrating, so that stone edge breakage is caused.

In order to solve the problems, the utility model adopts the following technical scheme: the small plate stone processing device comprises a drill bit and a freely movable bracket, wherein the bracket comprises a first horizontal support arm and a second horizontal support arm, and the drill bit comprises a first drill bit, a second drill bit and a third drill bit; the external diameter of first drill bit, second drill bit is D1, D2 respectively, and D1 is < D2, and the inside trompil of second drill bit lower extreme is equipped with interior spline groove in the trompil, but the upper segment of third drill bit is spline section and key connection in the spline groove, and the lower segment of spline section outwards expands outward gradually and forms the conical surface, and a plurality of blades that set up along its busbar along circumference evenly distributed on the conical surface, three kinds of drill bits all can be along same vertical axle setting on the support.

The basic principle of the scheme is as follows: the first drill bit is arranged on the first support arm, the first drill bit is used for pre-drilling along the edge of the inward deflection of the decoration hole, the first drill bit is replaced by the second drill bit after pre-drilling, the third drill bit is arranged on the second support arm, the second support arm drives the third drill bit to move upwards, a spline shaft of the third drill bit is connected with a spline groove key in the second drill bit, the third drill bit is started and moves upwards, the conical surface of the third drill bit is used for reaming the bottom end of the pre-drilling, meanwhile, the third drill bit moves one circle along the inner edge of the decoration hole, the bottom of the reamed decoration hole is recessed inwards to form a step, the second drill bit is started to drill downwards, the outer edge of the second drill bit is tangent with the inner edge of the final decoration hole, the original step inner wall limits the range of the broken edge at the moment of penetrating stone, and after the second drill bit moves one circle along the shape of the decoration hole, the decoration hole is hollowed out, and the final decoration hole is formed from top to bottom.

The beneficial effect of this scheme is:

1. the existing drilling equipment adopts a drill bit, the purpose of forming holes once is achieved by driving the drill bit to cut along the edge line of the decorative hole, but because the drill bit penetrates through the stone material with great instant strength, the defects of edge breakage, unfilled corners and the like are easily generated at the cutter outlet position.

Further, the three kinds of drills can be vertically arranged on the opposite surfaces of the first support arm and the second support arm through drill sleeves, and the drill sleeves on the first support arm and the second support arm are coaxially arranged. The universal drill sleeve is adopted to fix different drills, so that the product cost is low, the cost is low, and the coaxial arrangement is convenient for positioning the drills on the upper support arm and the lower support arm accurately.

Further, the maximum outer diameter of the conical surface is D3, d3=d2. Ensuring that the hole pattern machined by the conical surface is aligned with the hole pattern machined by the second drill bit accurately.

Further, the first support arm is provided with a buckle capable of fixing the drill bit. A plurality of drill bits are fixed on the support arm by utilizing buckles, so that the drill bits are convenient to take and place, and the drill bits are prevented from being randomly placed or lost when replaced.

Further, the first support arm and the second support arm are connected to the support through the electric push rod. The first support arm and the second support arm can independently move up and down, and the processing of a drill bit is not influenced during common processing.

Further, the drill bit is a cemented carbide drill bit. The hard alloy drill bit has good wear resistance and high strength, and is not easy to crack and break.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

fig. 2 is a schematic diagram of the portion a of fig. 1 where a hole is drilled.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the first support arm 1, the second support arm 2, the first drill bit 21, the second drill bit 22, the third drill bit 23, the drill bit sleeve 3, the stone 4, the first drilling hole 51, the conical hole 52 and the inner edge 53 of the decorative hole.

An embodiment is substantially as shown in fig. 1 to 2:

the U-shaped support is arranged on the numerical control machine tool, the support can move along with the hole type edge according to a design drawing of a decoration hole, the support comprises a first support arm 1 with the upper end horizontal and a second support arm 2 with the lower end horizontal, vertical drill bit sleeves 3 are respectively fixed on opposite faces of the first support arm 1 and the second support arm 2, the drill bit sleeves 3 are jackets which are commonly arranged on hand drills and are used for clamping different drill bits, the drill bit sleeves 3 on the first support arm 1 are first drill bit 21 sleeves, the first drill bit 21 and the second drill bit 22 are detachably arranged on the first drill bit 21 sleeves, the drill bit sleeves 3 on the second support arm 2 are second drill bit 22 sleeves, and the third drill bit 23 is detachably arranged on the second drill bit 22 sleeves.

The first drill bit 21 is a twist drill bit with the diameter of 10mm, the first drill bit 21 with the smaller diameter is fixed on the first drill bit 21 in a sleeved mode, the driving support drives the first drill bit 21 to move downwards, the edge of the first drill bit 21 is 10mm away from the edge of the decorative hole, and the first drill hole 51 is formed by cutting one circle along the inner side line of the edge of the decorative hole through the stone 4.

The second drill 22 is a twist drill with a diameter of 20mm, the lower end is internally provided with a hole, an inner spline groove is formed in the hole, the lower end is internally provided with a spline groove, and the diameter of the spline groove is smaller than 10mm. The third drill bit 23 is similar to a conical drill bit, a spline shaft is coaxially arranged at the upper end of the third drill bit 23, the lower end of the spline shaft is a conical surface extending outwards, and a plurality of blades arranged along a bus of the conical surface are uniformly distributed on the conical surface along the circumferential direction.

When the first borehole 51 is formed, the drill bit on the first support arm 1 is replaced with the second drill bit 22, the third drill bit 23 is mounted on the second support arm 2, the second support arm 2 drives the spline shaft of the third drill bit 23 to extend into the first borehole 51, and the spline shaft penetrates through the first borehole 51 and extends out and is in butt joint with the spline groove of the second drill bit 22, so that the third drill bit 23 can rotate synchronously with the second drill bit 22.

The second support arm continues to move upwards to push the conical surface of the third drill bit 23 to ream the bottom end of the first drilling hole 51, the reaming edge is just tangential to the final inner edge of the decoration hole, the first support arm 1 is driven to move downwards to enable the third drill bit 23 to be separated from the back surface of the stone 4, the second drill bit 22 drills downwards, the second drill bit 22 forms a second drilling hole, the edge of the second drilling hole is tangential to the final inner edge of the decoration hole, and after the second drilling hole penetrates through the stone 4 and cuts a circle along the inner edge 53 of the decoration hole, the whole decoration hole is machined.

The first drilling hole 51 is a pre-drilling hole, the diameter of the drilling hole is smaller, compared with the original one-time cutting, the material on the back of the decoration hole is reduced, the volume of the stone 4 which can be driven when the cutter is out is reduced, the edge collapse range of the cutter is contracted, the tensile stress of the part is relieved for the later forming, the third drilling bit 23 can extend into the hole for reaming, the conical hole 52 is formed by the conical surface reaming of the third drilling bit 23, the edge collapse position generated by the first drilling hole 51 is cleaned, the original edge collapse position is firstly formed into the conical hole 52, after the third drilling bit 23 moves along the inner edge 53 of the decoration hole for one circle, a circle of concave step is formed at the bottom end of the decoration hole, the second drilling bit 22 is started to drill downwards, the outer edge of the second drilling bit 22 is tangent with the inner edge of the final decoration hole, the original step inner wall is limited to the edge collapse range at the moment of penetrating the stone 4, and the force is not applied to enable the edge collapse problem of the stone 4 caused by the original hole opening technology. After the second drill bit 22 advances for one circle according to the shape of the decoration hole, the decoration hole is hollowed out, and finally the decoration hole is completely formed from top to bottom.

The specific implementation process is as follows:

the U-shaped support can longitudinally and transversely move on a numerical control machine tool, the drill bits correspond to different holes through longitudinal and transverse movement kinetic energy, the decorative holes are machined by walking along the designed paths of the decorative holes, the first drill bit 21 and the third drill bit 23 are firstly installed during drilling, the two drill bits are aligned to two sides of a position where the stone 4 needs to be drilled, the first support arm 1 is started to drive the first drill bit 21 to downwards penetrate through the stone 4 to drill a first drilling hole 51, the first drill bit 21 is detached and replaced with the second drill bit 22, the outer edge of the third drill bit 23 is aligned to the inner edge of the decorative holes when the final forming is performed, the second support arm 2 is started to drive the third drill bit 23 to extend out of the upper end of the stone 4, the spline shaft of the third drill bit 23 is connected with the spline groove key of the second drill bit 22, the bottom end of the first drilling hole 51 is reamed into a conical hole 52 by upwards moving the third drill bit 23, the second drill bit 22 is downwards to enlarge the first drilling hole 51 to the inner edge 53, and the decorative holes are finally formed.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. Little plate stone material processingequipment, its characterized in that: the drill bit comprises a first drill bit, a second drill bit and a third drill bit; the external diameter of first drill bit, second drill bit is D1, D2 respectively, and D1 is < D2, and the inside trompil of second drill bit lower extreme is equipped with interior spline groove in the trompil, but the upper segment of third drill bit is spline section and key connection in the spline groove, and the lower segment of spline section outwards expands outward gradually and forms the conical surface, and a plurality of blades that set up along its busbar along circumference evenly distributed on the conical surface, three kinds of drill bits all can be along same vertical axle setting on the support.

2. The small-plate stone machining device according to claim 1, wherein: the three kinds of drills can be vertically arranged on the opposite surfaces of the first support arm and the second support arm through drill sleeves, and the drill sleeves on the first support arm and the second support arm are coaxially arranged.

3. The small-plate stone machining device according to claim 1, wherein: the maximum outer diameter of the cone is D3, d3=d2.

4. The small-plate stone machining device according to claim 1, wherein: the first support arm is provided with a buckle capable of fixing the drill bit.

5. The small-plate stone machining device according to claim 1, wherein: the first support arm and the second support arm are connected to the support through the electric push rod.

6. The small-plate stone machining device according to claim 5, wherein: the drill bit is a hard alloy drill bit.