CN220196396U

CN220196396U - Cylindrical centripetal positioning punching device

Info

Publication number: CN220196396U
Application number: CN202321957815.XU
Authority: CN
Inventors: 刘大禹
Original assignee: Changchun Up Optotech Co ltd
Current assignee: Changchun Up Optotech Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2023-12-19
Anticipated expiration: 2033-07-24

Abstract

The utility model relates to the technical field of cylindrical surface processing equipment, and particularly provides a cylindrical surface centripetal positioning punching device, which comprises a base plate and a clamping plate, wherein a clamping groove group for clamping and locking a workpiece to be processed is arranged on the clamping plate, and comprises a U-shaped groove, a locking groove and a buffer groove; the clamping plate is connected with a positioning plate, the positioning plate comprises a telescopic cavity, a sliding seat is arranged in the telescopic cavity, a drill jig assembly is arranged on the sliding seat, and the drill jig assembly comprises a drill jig frame, a drill bushing and a positioning pin; the locating plate is also provided with a driving seat, one side of the driving seat, which is far away from the locating plate, is provided with a reading piece and a driving wheel, a driving shaft, the two ends of which are respectively connected with the sliding seat and the driving wheel, is arranged in the driving seat, and the driving shaft and the workpiece to be processed are coaxially arranged. The scheme of the utility model can centripetal position the workpiece to be processed, can improve the positioning precision and symmetry of drilling, and can better protect the workpiece to be processed to avoid damage to the cylindrical surface.

Description

Cylindrical centripetal positioning punching device

Technical Field

The utility model relates to the technical field of cylindrical surface processing equipment, in particular to a cylindrical surface centripetal positioning and punching device.

Background

In machining, a workpiece is often required to be drilled, when a cylindrical workpiece is drilled circumferentially on an end face, scribing and positioning are mainly performed on the workpiece in the earlier stage, then the workpiece is fixed on a machine table to perform drilling operations at various positions, the workpiece is required to be continuously shifted and moved, and because the cylindrical surface is drilled, clamping and positioning operations are difficult, and accurate centripetal drilling is difficult due to scribing and proofing. In the prior art, the following patents relate to drilling devices for workpieces:

1. the patent number is 202221658113.7, the patent name is a drilling device for processing an annular part with an indexing hole, and the drilling device comprises a bottom plate, a positioning support, a drilling die holder, a positioning shaft, a positioning pressing mechanism and a ratchet feeding mechanism, wherein the annular part is arranged on the positioning pressing mechanism, and the ratchet feeding mechanism rotates for a fixed angle each time to drive the positioning pressing mechanism and the annular part to rotate for the same fixed angle, and a cutter is guided to drill through a drill bushing. The scheme can realize repeated positioning drilling, but the structure in the scheme is relatively complex, the positioning accuracy and symmetry degree are limited, displacement possibly occurs due to vibration during drilling, and the cylindrical surface of a workpiece is difficult to well protect.

2. The patent number is 202123036139.6, and the patent name is an optical axis drilling device, and discloses a support frame, a support plate, a drilling machine, a fixed rod, a V-shaped block, a bracket, a mounting shaft, a rotating block, a baffle rod, a stop block, a balancing block, a through hole and a third screw, wherein an optical axis is arranged on the inner side of the through hole and the V-shaped block. The processing of two adjacent holes can be accomplished through a clamping to this scheme, but this scheme has following problem: 1) The automatic conveying cannot be carried out, the processing efficiency is reduced, and the cylindrical workpiece is difficult to process; 2) The V-shaped block in the scheme is also applied to cylindrical workpiece processing, the universality of the device can be improved to a certain extent by the V-shaped block, and the surface of the workpiece is easily damaged by the V-shaped block in the processing process.

In summary, how to design a cylindrical positioning and punching device capable of improving the positioning accuracy and symmetry of drilling and protecting the workpiece to avoid damaging the workpiece during the machining process is a problem to be solved.

Disclosure of Invention

The utility model aims to solve the problems, and provides the cylindrical surface centripetal positioning punching device which can realize the accurate positioning of the processing position of the workpiece to be processed, improve the drilling positioning precision, symmetry and drilling efficiency, stably clamp the workpiece to be processed through the clamping plate and the clamping groove group, avoid damaging the cylindrical surface of the workpiece to be processed and better protect the workpiece to be processed in the drilling process.

In order to achieve the above purpose, the present utility model proposes the following technical scheme: a cylindrical centripetal positioning punching device comprises a base plate and a clamping plate arranged on the base plate, wherein a clamping groove group for clamping and locking a workpiece to be processed is formed in the clamping plate; one side of the clamping plate is connected with a positioning plate, the positioning plate comprises a telescopic cavity communicated with the clamping groove group, a sliding seat is arranged in the telescopic cavity, and a drilling jig assembly for punching a workpiece to be processed is arranged at the upper end of the sliding seat; one end of the positioning plate, which is far away from the clamping plate, is provided with a driving seat, and the sliding seat is positioned between the positioning plate and the driving seat; one side of the driving seat, which is far away from the positioning plate, comprises a reading part and a driving wheel, a driving shaft, the two ends of which are respectively connected with the sliding seat and the driving wheel, is arranged in the driving seat, the driving shaft and the workpiece to be processed are coaxially arranged, and the driving wheel can drive the driving shaft to move and drive the sliding seat and the drilling jig assembly to horizontally move.

Further, the drill jig assembly comprises a drill jig frame connected to one side, close to the clamping plate, of the upper end of the sliding seat, and a drill sleeve is arranged at one side, close to the clamping plate, of the drill jig frame, and the drill sleeve and the drill jig frame comprise positioning drill holes which are communicated in a matching manner; before punching, a positioning pin for centripetal positioning of the workpiece to be processed is arranged in the positioning drill hole, and during punching, the positioning drill hole is used for a drill bit to pass through so as to drill a cylindrical surface.

Further, the drilling jig frame comprises a connecting section and a processing section positioned at the upper end of the connecting section; the connecting section is connected with the sliding seat, and the processing section extends towards one side of the clamping plate towards the outer side of the sliding seat; the locating pin includes the straight face section that extends to the locating drilling lower part outside, and when treating the work piece of processing centripetal location, the straight face section laminating of locating pin supports tightly on the bottom surface of treating the work piece.

Further, the sliding seat comprises a middle telescopic hole, and one end of the driving shaft is movably connected in the middle telescopic hole; the upper inner wall of the locating plate is provided with a sliding groove, the outer wall of the side part of the sliding seat is provided with a sliding table matched with the sliding groove, and the driving shaft can drive the sliding seat to horizontally move in the sliding groove.

Further, the upper end of the sliding seat comprises an upper sliding groove positioned at the side part of the middle telescopic hole, and the connecting section of the drilling mould frame is connected in the upper sliding groove and can adjust the horizontal connecting position in the upper sliding groove.

Further, the driving shaft comprises a thread section and an optical axis section, and the optical axis section is positioned in the driving seat; the middle telescopic hole is of a threaded hole structure in threaded connection with the threaded section; the driving seat comprises a middle through hole, and the optical axis section of the driving shaft penetrates through the middle through hole and extends to the outside of one side, far away from the thread section, of the driving seat.

Further, a shaft sleeve is arranged between the inner wall of the middle through hole and the driving shaft; the driving wheel is fixedly connected to the end part of the optical axis section, which is far away from one side of the driving seat, and the reading piece is positioned between the driving wheel and the driving seat.

Further, the clamping groove group comprises a U-shaped groove with an upward opening, and the groove width of the U-shaped groove is matched with the diameter of the cylindrical surface of the workpiece to be processed.

Further, the clamping groove group further comprises a locking groove and a buffer groove, wherein the locking groove is communicated with the lower end of the U-shaped groove, the buffer groove is positioned at the lower end of the locking groove, the locking groove is longitudinally arranged, and the buffer groove is transversely arranged; the clamping plate comprises a locking hole communicated with the locking groove, and a locking piece transversely penetrating through the locking groove is arranged in the locking hole.

Further, the bottom of base plate has been seted up and has been adsorbed the hole, is equipped with magnet steel in the adsorption hole and the magnet steel holds to the adsorption hole inboard so that leave the protection clearance between the bottom face of magnet steel and the bottom face of adsorption hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model can realize accurate centripetal positioning of the cylindrical part structure through the drill jig assembly, the sliding seat, the positioning plate, the driving shaft, the driving seat, the driving wheel, the reading part, the positioning pin and the like, can greatly improve the positioning precision and symmetry of punching and improve the punching efficiency.

2. The utility model can prevent the cylindrical surface from being damaged when the cylindrical surface is clamped by matching the U-shaped groove with the cylindrical surface of the workpiece to be processed, thereby better protecting the workpiece to be processed and improving the processing quality; the workpiece to be processed can be stably clamped through the locking groove and the locking piece; the locking difficulty of the locking piece during locking can be reduced through the buffer groove, the processing difficulty is reduced, and the processing efficiency is further improved.

3. The whole device can be adsorbed on the processing table top through the magnetic steel, so that the device is prevented from moving on the table top due to vibration generated when a drilling machine punches holes, the punching effect is ensured, and the operation difficulty of operators is reduced; meanwhile, the magnetic steel is contained inside the adsorption hole, a protection gap is reserved between the bottom end surface of the magnetic steel and the bottom end surface of the adsorption hole, and the magnetic steel can be prevented from being in direct contact with a processing table surface so as to prevent the magnetic steel from being cracked in the drilling process.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a punching device according to an embodiment of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken along the direction A-A of FIG. 2;

fig. 4 is a schematic diagram of the overall structure of a punching device (a workpiece to be processed is not shown) according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of the whole structure of a punching device according to an embodiment of the present utility model.

Reference numerals: the device comprises a base plate 1, a clamping plate 2, a positioning plate 3, a telescopic cavity 4, a sliding seat 5, a driving seat 6, a reading piece 7, a driving wheel 8, a drilling die frame 9, a drilling sleeve 10, a straight surface section 11, a middle telescopic hole 12, a sliding groove 13, a sliding table 14, an upper sliding groove 15, a thread section 16, an optical axis section 17, a shaft sleeve 18, a U-shaped groove 19, a locking groove 20, a buffer groove 21, a locking piece 22, magnetic steel 23, a protection gap 24, a connecting section 25, a processing section 26, an adjusting groove 27, a cylindrical surface 28, a bottom surface 29 and a workpiece 30 to be processed.

Detailed Description

Hereinafter, embodiments of the present utility model will be described with reference to fig. 1 to 5. In the following description, like modules are denoted by like reference numerals. In the case of the same reference numerals, their names and functions are also the same. Therefore, a detailed description thereof will not be repeated.

The present utility model will be further described in detail with reference to fig. 1 to 5 and the specific embodiments thereof in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limiting the utility model.

A cylindrical centripetal positioning punching device, as shown in figures 1 and 5, comprises a base plate 1 and a clamping plate 2 arranged on the base plate 1, wherein a clamping groove group is arranged on the clamping plate 2. When processing, base plate 1 is located the processing mesa, and the absorption hole has been seted up to the bottom of base plate 1, is equipped with magnet steel 23 in the absorption hole, and table surface is mostly cast iron structure in practical application, and magnet steel 23 can adsorb base plate 1 on the processing mesa, and magnet steel 23 holds to the absorption hole inboard, leaves protection clearance 24 between the bottom face of magnet steel 23 and the bottom face of absorption hole, and protection clearance 24 can prevent magnet steel 23 and processing mesa direct contact, can prevent that magnet steel 23 from cracked with better protection magnet steel 23 in the course of working.

As shown in fig. 3, the workpiece 30 to be processed comprises a cylindrical surface 28 and a bottom surface 20 with a straight surface structure, as shown in fig. 4, the clamping groove group is used for clamping and locking the workpiece 30 to be processed, the clamping groove group comprises a U-shaped groove 19 with an upward opening, the groove width of the U-shaped groove 19 is matched with the cylindrical surface diameter of the workpiece 30 to be processed, the cylindrical surface 28 of the workpiece 30 to be processed is clamped in the U-shaped groove 19 during processing, and the U-shaped groove 19 can better protect the cylindrical surface of the workpiece 30 to be processed; the clamping groove group further comprises a locking groove 20 and a buffer groove 21, wherein the locking groove 20 is communicated with the lower end of the U-shaped groove 19, the buffer groove 21 is positioned at the lower end of the locking groove 20, the locking groove 20 is longitudinally arranged, and the buffer groove 21 is transversely arranged; the clamping plate 2 comprises a locking hole communicated with the locking groove 20, a locking piece 22 transversely penetrating through the locking groove 20 is arranged in the locking hole, and the locking piece 22 is a locking bolt; the locking groove 20 and the locking piece can stably clamp the workpiece 30 to be processed, and the buffer groove 21 can reduce the locking difficulty when the locking piece 22 is locked, so that the processing difficulty is reduced.

As shown in fig. 1-3, one side of the clamping plate 2 is connected with a positioning plate 3, the positioning plate 3 is relatively arranged on the other side of the clamping plate 2 of a workpiece 30 to be processed, the positioning plate 3 comprises a telescopic cavity 4 communicated with the clamping groove group, a sliding seat 5 is arranged in the telescopic cavity 4, and the sliding seat 5 comprises a middle telescopic hole 12. Be equipped with drive seat 6 on the locating plate 3, drive seat 6 is located the one end of keeping away from grip block 2, and slide seat 5 is located between locating plate 3 and the drive seat 6, and one side of keeping away from locating plate 3 of drive seat 6 includes reading piece 7 and drive wheel 8, and reading piece 7 is located between drive wheel 8 and drive seat 6, and reading piece 7 is the reading drum. The positioning plate 3 and the driving seat 6 may be a split structure or an integral structure, and the positioning plate 3 and the driving seat 6 in this embodiment are of an integral structure.

A driving shaft with two ends respectively connected with the sliding seat 5 and the driving wheel 8 is arranged in the driving seat 6, one end of the driving shaft is movably connected in the middle telescopic hole 12, and the driving shaft and the workpiece 30 to be processed are coaxially arranged; the drive shaft comprises a threaded section 16 and an optical axis section 17, the drive seat 6 comprises a middle through hole, the optical axis section 17 is positioned in the drive seat 6, and the middle telescopic hole 12 is of a threaded hole structure in threaded connection with the threaded section 16. The optical axis section 17 of the driving shaft passes through the middle through hole and extends to the outside of the side, far away from the threaded section 16, of the driving seat 6, and the driving wheel 8 is fixedly connected to the end part, far away from the driving seat 6, of the optical axis section 17; a shaft sleeve 18 is further arranged between the inner wall of the middle through hole and the driving shaft, and the driving wheel 8 can drive the driving shaft to do rotary motion in the shaft sleeve 18 and drive the sliding seat 5 and the drilling jig assembly to horizontally move. The upper inner wall of the locating plate 3 is provided with a sliding groove 13, the outer wall of the side part of the sliding seat 5 is matched with the sliding groove 13 to form a sliding table 14, and the driving shaft can drive the sliding seat 5 to horizontally slide in the sliding groove 13.

As shown in fig. 1-3, a drill jig assembly is arranged at the upper end of the sliding seat 5, and is used for punching a workpiece 30 to be processed; the drill jig assembly comprises a drill jig frame 9 connected to the upper end of the sliding seat 5 and close to one side of the clamping plate 2, a drill sleeve 10 is arranged at the end part of the drill jig frame 9, close to one side of the clamping plate 2, and the drill sleeve 10 and the drill jig frame 9 comprise positioning drill holes which are communicated in a matching way; before punching, a positioning pin for centripetal positioning of the workpiece 30 to be processed is arranged in the positioning drill hole, and during punching, the positioning drill hole is used for a drill bit to pass through so as to drill a cylindrical surface.

The drilling mould frame 9 comprises a connecting section 25 and a processing section 26 positioned at the upper end of the connecting section 25; the connecting section 25 is connected with the sliding seat 5, and the processing section 26 extends towards one side of the clamping plate 2 to the outer side of the sliding seat 5; the upper end of the sliding seat 5 comprises an upper sliding groove 15 positioned at the side part of the middle telescopic hole 12, and a connecting section 25 of the drilling jig frame 9 is connected in the upper sliding groove 15 and can adjust the horizontal connecting position in the upper sliding groove 15.

As shown in fig. 3 and 4, the positioning pin comprises a straight surface section 11 extending to the outer side of the lower part of the positioning drilling hole, and when the workpiece 30 to be processed is centripetally positioned, the straight surface section 11 of the positioning pin is abutted against the bottom surface of the workpiece 30 to be processed.

As shown in fig. 5, an adjusting groove 27 is formed in the connecting surface of the positioning plate 3 and the clamping plate 2 along the longitudinal direction, the positioning plate 3 is in clearance fit with the clamping plate 2, the positioning plate 3 can move up and down along the clamping plate 2 and drive the drill jig assembly to move up and down to match the processing requirements of workpieces 30 to be processed with different diameters, and after the up and down positions of the positioning plate 3 are adjusted, the positioning plate 3 and the clamping plate 2 are locked in the adjusting groove 27 through locking bolts.

When in use, the driving wheel 8 is rotated, the driving wheel 8 drives the reading drum and the driving shaft to rotate in the shaft sleeve 10, the driving sliding seat 5 drives the drilling jig assembly and the positioning pin to move, the straight section 11 of the locating pin is abutted against the bottom surface 29 of the workpiece 30 to be processed, and the reading drum is rotated to fix the reading drum to a zero position; and then the locating pin is pulled out, the driving wheel 8 is rotated to enable the driving shaft to drive the sliding seat 5 to drive the drill jig assembly to move, the drill sleeve and the locating drill hole are driven to move to the corresponding position above the cylindrical surface 28 required by the drawing according to the reading displayed on the reading drum, and the drill bit drills the cylindrical surface 28 through the locating drill hole.

It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present disclosure may be performed in parallel, sequentially, or in a different order, provided that the desired results of the technical solutions of the present disclosure are achieved, and are not limited herein.

The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The cylindrical centripetal positioning punching device is characterized by comprising a base plate (1) and a clamping plate (2) arranged on the base plate (1), wherein the clamping plate (2) is provided with a clamping groove group for clamping and locking a workpiece (30) to be processed; one side of the clamping plate (2) is connected with a positioning plate (3), the positioning plate (3) comprises a telescopic cavity (4) communicated with the clamping groove group, a sliding seat (5) is arranged in the telescopic cavity (4), and a drilling jig assembly for punching a workpiece (30) to be processed is arranged at the upper end of the sliding seat (5); one end of the positioning plate (3) far away from the clamping plate (2) is provided with a driving seat (6), and the sliding seat (5) is positioned between the positioning plate (3) and the driving seat (6); one side of the driving seat (6) far away from the positioning plate (3) comprises a reading piece (7) and a driving wheel (8), a driving shaft with two ends respectively connected with the sliding seat (5) and the driving wheel (8) is arranged in the driving seat (6), and the driving shaft is coaxially arranged with a workpiece (30) to be processed; the driving wheel (8) can drive the driving shaft to move and drive the sliding seat (5) and the drill jig assembly to horizontally move.

2. The cylindrical centripetal positioning and punching device according to claim 1, wherein the drill jig assembly comprises a drill jig frame (9) connected to one side, close to the clamping plate (2), of the upper end of the sliding seat (5), a drill sleeve (10) is arranged at the end, close to the clamping plate (2), of the drill jig frame (9), and positioning holes communicated in a matched mode are formed in the drill sleeve (10) and the drill jig frame (9); before punching, a positioning pin for centripetal positioning of a workpiece (30) to be processed is arranged in the positioning drill hole, and during punching, the positioning drill hole is used for a drill bit to pass through so as to drill a column surface.

3. The cylindrical centripetal positioning and perforating device of claim 2, characterized in that the jig frame (9) comprises a connecting section (25) and a processing section (26) positioned at the upper end of the connecting section (25); the connecting section (25) is connected with the sliding seat (5), and the processing section (26) extends towards one side of the clamping plate (2) towards the outer side of the sliding seat (5); the locating pin comprises a straight surface section (11) extending to the outer side of the lower portion of the locating drilling hole, and when the workpiece (30) to be machined is subjected to centripetal locating, the straight surface section (11) of the locating pin is abutted against the bottom surface of the workpiece (30) to be machined.

4. A cylindrical centripetal positioning and perforating device according to claim 3, characterized in that said sliding seat (5) comprises a central telescopic hole (12), one end of the driving shaft being movably connected in the central telescopic hole (12); the upper inner wall of the locating plate (3) is provided with a sliding groove (13), the outer wall of the side part of the sliding seat (5) is matched with the sliding groove (13) to form a sliding table (14), and the driving shaft can drive the sliding seat (5) to horizontally slide in the sliding groove (13).

5. The cylindrical centripetal positioning and perforating device according to claim 4, characterized in that the upper end of said sliding seat (5) comprises an upper chute (15) at the side of the middle telescopic hole (12), the connecting section (25) of said drilling jig frame (9) is connected in the upper chute (15) and the horizontal connection position can be adjusted in the upper chute (15).

6. The cylindrical centripetal positioning and perforating device of claim 5, characterized in that the drive shaft comprises a threaded section (16) and an optical axis section (17) and the optical axis section (17) is located in the drive seat (6); the middle telescopic hole (12) is of a threaded hole structure in threaded connection with the threaded section (16); the driving seat (6) comprises a middle through hole, and an optical axis section (17) of the driving shaft penetrates through the middle through hole and extends to the outside of one side, far away from the threaded section (16), of the driving seat (6).

7. The cylindrical centripetal positioning and punching device according to claim 6, characterized in that a shaft sleeve (18) is arranged between the inner wall of the middle through hole and the driving shaft; the driving wheel (8) is fixedly connected to the end part of the optical axis section (17) at one side far away from the driving seat (6), and the reading piece (7) is positioned between the driving wheel (8) and the driving seat (6).

8. The cylindrical centripetal positioning punching device according to any of claims 1-6, characterized in that said clamping groove group comprises an upwardly opening U-shaped groove (19), the groove width of the U-shaped groove (19) being arranged in a matching manner with the cylindrical diameter of the workpiece (30) to be processed.

9. The cylindrical centripetal positioning punching device according to claim 8, wherein the clamping groove group further comprises a locking groove (20) and a buffer groove (21), wherein the locking groove (20) is communicated with the lower end of the U-shaped groove (19), the buffer groove (21) is positioned at the lower end of the locking groove (20), and the locking groove (20) is longitudinally arranged and the buffer groove (21) is transversely arranged; the clamping plate (2) comprises a locking hole communicated with the locking groove (20), and a locking piece (22) transversely penetrating through the locking groove (20) is arranged in the locking hole.

10. The cylindrical centripetal positioning punching device according to claim 9, characterized in that an adsorption hole is formed in the bottom end of the substrate (1), magnetic steel (23) is arranged in the adsorption hole, and the magnetic steel (23) is accommodated inside the adsorption hole so that a protection gap (24) is reserved between the bottom end surface of the magnetic steel (23) and the bottom end surface of the adsorption hole.