Automatic center searching bracket with double-V structure

Abstract

The utility model discloses a double-V structure automatic center searching bracket which comprises a machine room and a workpiece rotating shaft installed on the outer wall of the front end of the machine room, a round bar is clamped in the outer wall of the front end of the workpiece rotating shaft, an axial self-adjusting bracket is arranged on the lower side of the round bar, a radial self-adjusting device is arranged on the outer wall of the lower end of the axial self-adjusting bracket, and the radial self-adjusting device is arranged on the outer wall of the front end of the machine room. A lifting guide column is arranged on the outer wall of the lower end of the radial self-adjusting device, the protective shell is installed, the exposed axial locking device and the exposed radial locking device are shielded through the protective shell, and the situation that splashing chippings generated in the machining process of a round bar make contact with the axial locking device and the radial locking device is avoided; the situation that when the axial locking device and the radial locking device rotate subsequently, the axial locking device and the radial locking device are affected by chippings, rotation is not smooth, and clamping is caused is avoided, and meanwhile after the axial locking device and the radial locking device are covered with the protective shell, lubricating oil coated on the axial locking device and the radial locking device can be moisturized for a long time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grinding machine, specifically relates to a double V structure automatic centering bracket. BACKGROUND

[0002] The double V structure automatic centering bracket is an important component in the grinding machine technology, mainly used for improving the precision and efficiency in the grinding process, is composed of two V-shaped guide rails, has the advantages of good stability and reducing friction. The V-shaped design helps to ensure the smooth movement of the bracket on the grinding machine, and the bracket can be automatically adjusted to the best center position by using mechanical design or sensor system, so as to ensure the accurate alignment between the workpiece and the grinding head in the grinding process. However, the axial and radial clamping device gears are exposed, and during long-term use, the lubricating oil has certain viscosity, and when the round bar workpiece is processed, the waste and dust are easy to splash and adhere to the axial and radial clamping device gears, resulting in the occurrence of the gear jamming when rotating. SUMMARY

[0003] The utility model discloses a double V structure automatic centering bracket, to solve the problem of the above background technology when the round bar workpiece is processed, waste and dust are easy to splash and adhere to the axial and radial clamping device gears, resulting in the occurrence of the gear jamming when rotating.

[0004] To achieve the above object, the utility model provides the following technical scheme: a double V structure automatic centering bracket, including the machine warehouse and the workpiece rotating shaft installed at the front end outer wall of the machine warehouse,

[0005] The front end outer wall of the workpiece rotating shaft clamps the round bar;

[0006] The lower side of the round bar is provided with an axial self-adjusting bracket;

[0007] The lower end outer wall of the axial self-adjusting bracket is provided with a radial self-adjusting device, and the lower end outer wall of the radial self-adjusting device is provided with a lifting guide column;

[0008] The left and right sides of the radial self-adjusting device are provided with protective shells.

[0009] Preferably, one end of each of the two protective shells is fixedly connected with a rear cover, and one end of each of the two rear covers is provided with a fixing screw penetrating the inside of the radial self-adjusting device to limit the position of the protective shell.

[0010] Preferably, the upper end outer wall of each of the two protective shells is provided with an up-and-down through hole, and the upper side of each of the two through holes is provided with a baffle to shield the through hole.

[0011] Preferably, the upper end outer wall of the two protective shells is provided with an upwardly opening sliding groove, and the lower end outer wall of the two baffles is fixedly connected with a sliding block downwardly penetrating in the sliding groove.

[0012] Preferably, the lower end outer wall of the two protective shells is fixedly connected with an oil collecting box, and the two protective shells are transparent.

[0013] Preferably, the inside of the radial self-adjusting device is provided with a radial locking device to limit the position after radial movement, and the upper side of the radial locking device is provided with an axial locking device to limit the position after axial movement.

[0014] Preferably, the lower side of the lifting guide column is provided with a base, and the upper end outer wall of the base and located at the right side of the lifting guide column is provided with an oil cylinder.

[0015] Preferably, the right side of the oil cylinder is provided with a lifting limiting adjusting rod, and the circular outer wall of the lifting limiting adjusting rod is provided with a lifting adjusting locking device.

[0016] Preferably, the upper end outer wall of the lifting guide column is provided with a guide groove to guide the movement direction of the radial self-adjusting device, and the upper end outer wall of the radial self-adjusting device is provided with a traction groove to limit the movement direction of the axial self-adjusting bracket.

[0017] Compared with the prior art, the double-V structure automatic centering bracket has the following beneficial effects:

[0018] By installing the protective shell, the exposed axial locking device and radial locking device are shielded by the protective shell, so that the situation that the splashed debris in the machining process contacts the axial locking device and radial locking device is avoided, the situation that the subsequent axial locking device and radial locking device are not smooth and jammed due to the influence of debris during rotation is avoided, the locking device is ensured not to be contaminated, the cleaning is maintained, and the long service life of the lubricating oil coated on the axial locking device and radial locking device is ensured after being shielded by the protective shell. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a double-V structure automatic centering bracket structural schematic view of the utility model.

[0020] Figure 2 It is a double-V structure automatic centering bracket front view partial structural schematic view of the utility model.

[0021] Figure 3 It is a protective shell area structural schematic view of the utility model.

[0022] Figure 4The utility model discloses a protective shell area side view partial structure schematic diagram.

[0023] In the drawing: 1, machine warehouse, 2, workpiece rotating shaft, 3, round bar, 4, axial self -adjusting bracket, 5, radial locking device, 6, radial self -adjusting device, 7, lifting guide column, 8, base, 9, lifting adjustment locking device, 10, lifting limit adjusting lever, 11, oil cylinder, 12, axial locking device, 13, protective shell, 14, guide slot, 15, baffle, 16, fixed screw, 17, back cover, 18, oil collecting box, 19, through mouth, 20, sliding block, 21, sliding slot. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0025] The utility model provides a kind of double V structure automatic centering bracket as Figures 1-4 As shown in the drawing, it includes machine warehouse 1 and the workpiece rotating shaft 2 installed in the front end outer wall of machine warehouse 1.

[0026] The front end outer wall of workpiece rotating shaft 2 is clamped with round bar 3 inside;

[0027] The lower side of round bar 3 is provided with axial self-adjusting bracket 4;

[0028] The lower end outer wall of axial self-adjusting bracket 4 is provided with radial self-adjusting device 6, the lower end outer wall of radial self-adjusting device 6 is provided with lifting guide column 7, when round bar 3 is driven to rotate by workpiece rotating shaft 2, axial self-adjusting bracket 4 is automatically moved to the axis below workpiece rotating shaft 2 under the drive of axial round bar 3 rotation, and at the same time, radial automatic adjusting device will also be moved to the center vertical line below round bar 3 under the drive of round bar 3, after round bar 3 and axial self-adjusting bracket 4 contact, round bar 3 is placed on the upper side of the gauge, round bar 3 is adjusted and dragged, and the outer circle runout of round bar 3 is adjusted to the minimum, and finally locking device can be locked.

[0029] The left and right sides of radial self-adjusting device 6 are provided with protective shell 13, after axial self-adjusting bracket 4 and radial self-adjusting device 6 are locked by radial locking device 5 and axial locking device 12, the splashing debris generated during the processing of round bar 3 can be shielded by protective shell 13, to avoid the situation that debris is attached to radial locking device 5 and axial locking device 12, and to avoid the situation that radial locking device 5 and axial locking device 12 cannot rotate when rotating.

[0030] As Figure 3 and Figure 4 shown, the two protective shells 13 are fixedly connected with the rear covers 17 at one end of the radial self-adjusting device 6, the four corners of one end of the two rear covers 17 are provided with fixed screws 16 penetrating the inside of the radial self-adjusting device 6 to limit the position of the protective shell 13, the upper end of the outer wall of the two protective shells 13 is provided with the through port 19, and the upper side of the two through ports 19 is provided with the baffle 15 to shield the through port 19.

[0031] When limiting the position of the protective shell 13, the fixed screw 16 can be penetrated into the preset threaded hole of the radial self-adjusting device 6, so as to limit the position of the protective shell 13 and avoid the gap, when adding lubricating oil to the radial locking device 5 and the axial locking device 12, the baffle 15 can be moved to make the through port 19 leak, so that the lubricating oil can be quickly coated on the surface of the radial locking device 5 and the axial locking device 12 by the brush.

[0032] As Figure 3 and Figure 4 shown, the upper end of the outer wall of the two protective shells 13 is provided with the upwardly opening sliding groove 21, the lower end of the outer wall of the two baffles 15 is fixedly connected with the sliding block 20 penetrating the inside of the sliding groove 21, the lower end of the outer wall of the two protective shells 13 is fixedly connected with the oil collecting box 18, and the two protective shells 13 are transparent.

[0033] When the baffle 15 is moved, the sliding block 20 moves in the sliding groove 21 to limit the moving direction and position, so as to avoid the loss of the baffle 15, and after the lubricating oil is added, the baffle 15 is moved again to shield the through port 19.

[0034] As Figure 1 and Figure 2 shown, the inside of the radial self-adjusting device 6 is provided with the radial locking device 5 to limit the position after radial movement, the upper side of the radial locking device 5 is provided with the axial locking device 12 to limit the position after axial movement, the lower side of the lifting guide column 7 is provided with the base 8, and the upper end of the outer wall of the base 8 and located at the right side of the lifting guide column 7 is provided with the oil cylinder 11.

[0035] After the axial self-adjusting bracket 4 and the radial self-adjusting device 6 are moved to the specified position, the corresponding position can be limited by the radial locking device 5 and the axial locking device 12 to avoid the movement again, the transmission gear provided in the inside of the base 8 is driven to rotate by the oil cylinder 11 to drive the corresponding position to move forward, backward, left, right, up and down.

[0036] As Figure 1 and Figure 2As shown, the right side of the oil cylinder 11 is provided with a lifting limit adjusting rod 10, the circular outer wall of the lifting limit adjusting rod 10 is provided with a lifting adjustment locking device 9, the upper end outer wall of the lifting guide column 7 is provided with a guide groove 14 to guide the moving direction of the radial self-adjusting device 6, and the upper end outer wall of the radial self-adjusting device 6 is provided with a traction groove to limit the moving direction of the axial self-adjusting bracket 4.

[0037] In the process of rising of the lifting guide column 7, the lifting limit adjusting rod 10 rises synchronously, and when the position of the lifting guide column 7 is limited, the lifting limit adjusting rod 10 is locked by the lifting adjustment locking device 9 thereon to limit the position, so that the lifting guide column 7 is prevented from moving up and down, the radial self-adjusting device 6 moves stably and gently in the radial direction under the limitation of the guide groove 14, and the axial self-adjusting bracket 4 moves stably and gently in the axial direction in the traction groove provided on the radial self-adjusting device 6.

[0038] The principle of the embodiment is as follows: when the circular rod 3 rotates under the driving of the workpiece rotating shaft 2, the axial self-adjusting bracket 4 automatically moves to below the axis of the workpiece rotating shaft 2 under the driving of the axial circular rod 3, and the radial self-adjusting device also moves to below the central vertical line of the circular rod 3 under the driving of the circular rod 3, after the circular rod 3 and the axial self-adjusting bracket 4 contact, the circular rod 3 is placed on the upper side of the gauge, the circular rod 3 is adjusted and pulled, the outer circle runout of the circular rod 3 is adjusted to be minimum, and finally the locking device is locked, after the axial self-adjusting bracket 4 and the radial self-adjusting device 6 are locked by the radial locking device 5 and the axial locking device 12, the splashes and debris generated during the machining of the circular rod 3 can be shielded by the protective shell 13, so that the debris is prevented from adhering to the radial locking device 5 and the axial locking device 12, and the radial locking device 5 and the axial locking device 12 are prevented from being unable to rotate when rotating.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A double-V structure automatic centering bracket, comprising a machine chamber (1) and a workpiece rotating shaft (2) mounted on the front outer wall of the machine chamber (1); A round rod (3) is clamped inside the front end outer wall of the workpiece rotating shaft (2); An axial self-adjusting bracket (4) is provided on the lower side of the round rod (3); The outer wall of the lower end of the axial self-adjusting bracket (4) is provided with a radial self-adjusting device (6), and the outer wall of the lower end of the radial self-adjusting device (6) is provided with a lifting guide column (7); Its characteristics are: Protective shells (13) are provided on both the left and right sides of the radial self-adjusting device (6).

2. The double-V structure automatic centering bracket according to claim 1, characterized in that: One end of the two protective shells (13) that fits the radial self-adjusting device (6) is fixedly connected to a back cover (17), and four corners of one end of the two back covers (17) are provided with fixing screws (16) that penetrate the interior of the radial self-adjusting device (6) to limit the position of the protective shell (13).

3. The double-V structure automatic centering bracket according to claim 1, characterized in that: The upper outer walls of the two protective shells (13) are each provided with a through opening (19) that passes through from top to bottom, and a baffle (15) is provided on the upper side of the two through openings (19) to shield the through openings (19).

4. The double-V structure automatic centering bracket according to claim 1, characterized in that: The upper outer walls of the two protective shells (13) are each provided with an upwardly opening sliding groove (21), and the lower outer walls of the two baffles (15) are each fixedly connected with a slider (20) that passes downwardly through the interior of the sliding groove (21).

5. The double-V structure automatic centering bracket according to claim 1, characterized in that: The lower outer walls of the two protective shells (13) are both fixedly connected with an oil collecting box (18), and the two protective shells (13) are both transparent.

6. The double-V structure automatic centering bracket according to claim 1, characterized in that: A radial locking device (5) is provided inside the radial self-adjusting device (6) to limit the position after radial movement, and an axial locking device (12) is provided on the upper side of the radial locking device (5) to limit the position after axial movement.

7. The double-V structure automatic centering bracket according to claim 1, characterized in that: A base (8) is provided on the lower side of the lifting guide column (7), and an oil cylinder (11) is provided on the outer wall of the upper end of the base (8) and located on the right side of the lifting guide column (7).

8. The double-V structure automatic centering bracket according to claim 7, characterized in that: A lifting limit adjustment rod (10) is provided on the right side of the oil cylinder (11), and a lifting adjustment locking device (9) is provided on the circular outer wall of the lifting limit adjustment rod (10).

9. The double-V structure automatic centering bracket according to claim 1, characterized in that: The upper outer wall of the lifting guide column (7) is provided with a guide groove (14) to guide the moving direction of the radial self-adjusting device (6), and the upper outer wall of the radial self-adjusting device (6) is provided with a traction groove to limit the moving direction of the axial self-adjusting bracket (4).

Images