CN111804957A

CN111804957A - Fixing device for drilling equal-division hole plate

Info

Publication number: CN111804957A
Application number: CN202010642108.6A
Authority: CN
Inventors: 冯超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-10-23

Abstract

The invention discloses a fixing device for drilling an orifice plate with equally divided holes, which comprises a mounting base plate, wherein an outer gear ring is arranged on the mounting base plate, and a connecting sleeve is formed on the lower end surface of the outer gear ring; one side meshing of outer ring gear is connected with the idler, and one side meshing of idler is connected with drive gear, and drive gear is close to idler one side and is equipped with spacing subassembly, and spacing subassembly is including fixing stand on drive gear, peg graft spacing seat and the shaping on the stand are in the vertical locking lever of spacing seat one side, the downside of locking lever is pegged graft in the meshing point clearance of drive gear and idler, and the downside middle part shaping on the stand has the lower extreme to fix the fulcrum on the drive gear up end, the upper end shaping of fulcrum has annular spacing platform, and the shaping has the spline groove on the fulcrum, spacing seat plug bush on the fulcrum and the inner wall of spacing seat the shaping have with spline groove matched with internal spline.

Description

Fixing device for drilling equal-division hole plate

Technical Field

The invention relates to the technical field of drilling machine tool fixtures, in particular to a fixing device for drilling an orifice plate at equal intervals.

Background

Drilling machines are a common type of machining apparatus used for drilling holes. Orifice plates are used in pipelines as throttling components, and the holes on the existing partial orifice plates are generally processed by drilling machines. In order to ensure that the positions of holes of some hole plates are uniformly arranged, the holes are generally uniformly distributed in an annular shape around the center of the hole plate, the existing processing mode of the holes is to stack a processed finished hole plate on a plate body to be processed, hole positions on the finished hole plate are used as positioning, the stacked plate body needs to be clamped by tools such as a locking pliers and the like, and the locking pliers need to be manually held to position the plate body and need to move the plate body during hole replacement, so that the operation is troublesome and the safety is low.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a new fixing device for drilling holes in an orifice plate with equal division structure, so that the fixing device has more industrial utility value.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a fixing device for drilling an orifice plate with evenly-divided holes, which is convenient to operate, can ensure the safety while the annular uniform processing of the hole positions on the orifice plate is facilitated.

The invention relates to a fixing device for drilling an orifice plate with equally divided holes, which comprises a mounting substrate, wherein a jack is formed on the mounting substrate, an outer gear ring is arranged on the mounting substrate, a connecting sleeve inserted in the jack is formed on the lower end surface of the outer gear ring, an annular clamping groove penetrating through the outer wall of the outer gear ring is formed on the upper end surface of the outer gear ring, an annular table is formed on the upper end surface of the outer gear ring outside the annular clamping groove, a conical surface is formed on the outer side wall of the annular table, a plurality of inclined threaded holes penetrating through the inner wall of the annular table are formed on the conical surface, and locking bolts are screwed in the inclined threaded holes;

one side of the outer gear ring is connected with an idler wheel in a meshing way, one side of the idler wheel is connected with a driving gear in a meshing way, the driving gear is provided with a limiting component at one side close to the idle gear, the limiting component comprises an upright post fixed on the driving gear, a limiting seat inserted on the upright post and a vertical lock rod formed at one side of the limiting seat, the lower side of the lock rod is inserted into the gap of the meshing point of the driving gear and the idle gear, a fulcrum with the lower end fixed on the upper end surface of the driving gear is formed in the middle of the lower side of the upright post, an annular limiting table is formed at the upper end of the fulcrum shaft, a spline groove is formed on the fulcrum shaft, the limiting seat is inserted and sleeved on the fulcrum shaft, an internal spline matched with the spline groove is formed on the inner wall of the limiting seat, and the upper permanent magnet and the lower permanent magnet are respectively fixed on the upper end surfaces of the limiting table and the driving gear, and both the upper permanent magnet and the lower permanent magnet can be adsorbed and fixed with the limiting seat.

By the technical scheme, before the limiting seat is machined, the limiting seat of the limiting assembly is pushed downwards on the support shaft until the limiting seat is pressed against the driving gear and the limiting seat is fixedly adsorbed on the lower permanent magnet, the lower end of the lock rod is clamped in a gap between meshing points of the driving gear and the idler gear at the moment, so that the driving gear is positioned, the outer gear ring is limited and fixed through the idler gear, then the orifice plate to be machined is arranged in the annular clamping groove of the outer gear ring, the locking bolt is screwed, the orifice plate is fixed on the outer gear ring by pressing against the orifice plate through the locking bolt, one side of the hole is drilled, then the limiting seat on the upright column is pulled upwards, so that the limiting seat is separated from the lower permanent magnet and moves upwards under the matching of the inner spline and the spline groove until the limiting seat is adsorbed and fixed on the upper permanent magnet of the limiting platform, and the lock rod is separated from, then make the stand drive gear ration rotatory as the handle through the locking lever, thereby realize outer ring gear and rotate certain angle under the effect of idler, spacing subassembly location drive gear of rethread, can realize drilling next time, hole site processing with evenly distributed in the reference circle can be accomplished to above-mentioned mode, after accomplishing the processing of a hole site in the reference circle, can adjust the position of drill bit, carry out the processing of hole site in next same reference circle again, in the above-mentioned operation process, the main operation be spacing subassembly on the drive gear, and spacing subassembly keeps away from the drilling position, therefore the security is high.

Through the scheme, the fixing device for drilling the equant hole plate is convenient to operate, and can ensure safety while facilitating annular uniform processing of hole positions on the hole plate.

Preferably, a horizontal supporting rod is formed on one side of the limiting seat, the upper end of the locking rod is hinged to one end of the supporting rod, an accommodating groove is formed in the lower end face of the supporting rod, and the locking rod can be inserted into the accommodating groove.

Preferably, the idler wheel and the driving gear are inserted into a T-shaped positioning column, the lower end of the positioning column is fixed on the mounting substrate, and the upper end of the positioning column is pressed against the idler wheel or the driving gear.

Preferably, the number of the inclined threaded holes is at least five, and the inclined threaded holes are uniformly distributed in an annular mode around the central axis of the outer gear ring.

Preferably, the diameter of the outer gear ring is larger than that of the idler gear, and the diameter of the idler gear is larger than that of the driving gear.

Preferably, an annular angle scale groove is formed in the upper end face of the mounting substrate around the driving gear.

Preferably, the connecting sleeve is mounted on the mounting base plate through a bearing.

Preferably, the mounting substrate has a rectangular shape, and mounting holes having stepped hole shapes are formed at four corners of the mounting substrate.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 1;

fig. 4 is a schematic sectional view of line a-a in fig. 1.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

The following refers to fig. 1 to 4.

The invention relates to a fixing device for equally dividing holes and holes of a hole plate into a plurality of holes, which comprises a mounting substrate 1, the mounting base plate is rectangular, mounting holes 11 with step hole shapes are formed at four corners of the mounting base plate, jacks 12 are formed on the mounting base plate, an outer gear ring 2 is arranged on the mounting base plate, a connecting sleeve 21 inserted in the jack is formed on the lower end face of the outer gear ring, the connecting sleeve is arranged on the mounting base plate 1 through a bearing 3, an annular clamping groove 22 penetrating through the outer wall of the outer gear ring is formed on the upper end face of the outer gear ring, an annular table 23 is formed on the upper end face of the external gear ring outside the annular clamping groove, a conical surface 24 is formed on the outer side wall of the annular table, the conical surface is provided with a plurality of inclined threaded holes 241 penetrating through the inner wall of the ring platform, the inclined threaded holes are screwed with the locking bolts 4, at least five inclined threaded holes are arranged, and the inclined threaded holes are uniformly distributed in an annular mode around the central axis of the outer gear ring 2.

An idler wheel 5 is connected to one side of the outer gear ring 2 in a meshed mode, a driving gear 6 is connected to one side of the idler wheel in a meshed mode, the diameter of the outer gear ring is larger than that of the idler wheel, the diameter of the idler wheel is larger than that of the driving gear, the idler wheel and the driving gear are connected to a T-shaped positioning column 7 in an inserted mode, the lower end of the positioning column is fixed to the installation base plate 1, the upper end of the positioning column presses against the idler wheel or the driving gear, an annular angle scale groove (not shown) is formed in the upper end face of the installation base plate 1 on the periphery of the driving gear 6, a limiting assembly 8 is arranged on one side, close to the idler wheel 5, the limiting assembly comprises a limiting seat 82 fixed to an upright column 81 on the driving gear 6 in an inserted mode and a vertical locking rod, spacing seat 82's one side shaping has horizontally branch 821, and the upper end of locking lever 83 articulates the one end of branch, and the shaping has on the lower terminal surface of branch to accomodate groove 822, and the locking lever can peg graft accomodate the inslot, the lower side middle part shaping on stand 81 has the lower extreme to fix the counter roll 811 on the drive gear up end, the upper end shaping of counter roll has annular spacing platform 812, and the shaping has spline groove 813 on the counter roll, spacing seat 82 plug bush on the counter roll and spacing seat the inner wall on the shaping have with spline groove matched with internal spline 823, be fixed with permanent magnet 91 and lower permanent magnet 92 on spacing platform and the drive gear 6's the up end respectively, it all can adsorb fixedly with spacing seat 82 mutually to go up the permanent magnet and down.

In the specific implementation of the invention, before the processing, the limiting seat 82 of the limiting component 8 is pushed downwards on the support shaft 811 until the limiting seat is pressed against the driving gear 6 and the limiting seat is fixedly adsorbed on the lower permanent magnet 92, at this time, the lower end of the lock rod 83 is also clamped in the meshing point gap between the driving gear 6 and the idler gear 5, so as to realize the positioning of the driving gear, further limit and fix the outer gear ring through the idler gear, then the pore plate to be processed is arranged in the annular clamping groove 22 of the outer gear ring 2, the locking bolt 4 is screwed, the pore plate is fixed on the outer gear ring 2 through the pressing of the locking bolt, then one side drilling is completed, then the limiting seat 82 on the upright column 81 is pulled upwards, so that the limiting seat leaves the lower permanent magnet 92 and moves upwards under the matching of the inner spline 823 and the spline groove 813 until the limiting seat 82 is fixedly adsorbed on the upper permanent magnet 91 of the limiting platform 812, at this time, the lock rod 83 also leaves, then make the stand 81 drive gear 6 ration rotatory as the handle through locking lever 83, thereby realize under the effect of idler 5 that outer ring gear 2 rotates certain angle, spacing subassembly 8 location drive gear 6 of rethread, can realize next drilling, hole site processing with evenly distributed in the reference circle can be accomplished to above-mentioned mode, after accomplishing a processing with the reference circle hole site, can adjust the position of drill bit, carry out the processing of hole site in the next same reference circle, in the above-mentioned operation process, the main operation is spacing subassembly 8 on drive gear 6, and spacing subassembly keeps away from the drilling position, therefore the security is high.

In conclusion, the fixing device for drilling the equant hole plate is convenient to operate, and can ensure safety while facilitating annular uniform processing of hole positions on the hole plate.

The fixing device for drilling holes on an orifice plate with equal division is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A fixing device for equally dividing hole plate drilling comprises a mounting substrate (1), wherein a jack (11) is formed on the mounting substrate, and the fixing device is characterized in that: an outer gear ring (2) is arranged on the mounting base plate (1), a connecting sleeve (21) inserted in the inserting hole is formed on the lower end face of the outer gear ring, an annular clamping groove (22) penetrating through the outer wall of the outer gear ring is formed on the upper end face of the outer gear ring, a ring platform (23) is formed on the upper end face of the outer gear ring outside the annular clamping groove, a conical surface (24) is formed on the outer side wall of the ring platform, a plurality of inclined threaded holes (241) penetrating through the inner wall of the ring platform are formed on the conical surface, and locking bolts (4) are screwed in the inclined threaded holes;

one side of the outer gear ring (2) is meshed with an idler (5), one side of the idler is meshed with a driving gear (6), the driving gear is provided with a limiting component (8) close to one side of the idler, the limiting component comprises an upright post (81) fixed on the driving gear, a limiting seat (82) inserted on the upright post and a vertical locking rod (83) formed on one side of the limiting seat, the lower side of the locking rod is inserted in a gap between meshing points of the driving gear (6) and the idler (5), a supporting shaft (811) with the lower end fixed on the upper end surface of the driving gear is formed in the middle of the lower side of the upright post, an annular limiting table (812) is formed at the upper end of the supporting shaft, a spline groove (813) is formed on the supporting shaft, the limiting seat (82) is inserted on the supporting shaft and an inner spline (823), an upper permanent magnet (91) and a lower permanent magnet (92) are respectively fixed on the upper end surfaces of the limiting table and the driving gear (6), and both the upper permanent magnet and the lower permanent magnet can be adsorbed and fixed with the limiting seat (82).

2. The fixture for aliquoting the hole-hole plate bore hole according to claim 1, wherein: horizontal supporting rods (821) are formed on one side of the limiting seat (82), the upper ends of the locking rods (83) are hinged to one ends of the supporting rods, accommodating grooves (822) are formed in the lower end faces of the supporting rods, and the locking rods can be inserted into the accommodating grooves.

3. The fixture for aliquoting the hole-hole plate bore hole according to claim 1, wherein: the idle wheel (5) and the driving gear (6) are inserted into a T-shaped positioning column (7), the lower end of the positioning column is fixed on the mounting substrate (1), and the upper end of the positioning column is pressed against the idle wheel or the driving gear.

4. The fixture for aliquoting the hole-hole plate bore hole according to claim 1, wherein: the number of the inclined threaded holes (241) is at least five, and the inclined threaded holes are uniformly distributed in an annular mode around the central axis of the outer gear ring (2).

5. The fixture for aliquoting the hole-hole plate bore hole according to claim 1, wherein: the diameter of the outer gear ring (2) is larger than that of the idler gear (5), and the diameter of the idler gear is larger than that of the driving gear (6).

6. The fixture for aliquoting the hole-hole plate bore hole according to claim 1, wherein: and annular angle scale grooves are formed in the upper end face of the mounting base plate (1) on the periphery of the driving gear (6).

7. The fixture for aliquoting the hole-hole plate bore hole according to claim 1, wherein: the connecting sleeve (21) is arranged on the mounting base plate (1) through a bearing (3).

8. The fixture for aliquoting the hole-hole plate bore hole according to claim 1, wherein: the mounting substrate (1) is rectangular, and mounting holes (12) in a step hole shape are formed in four corners of the mounting substrate.