An auxiliary tool for improving flatness of a workpiece

Abstract

The utility model relates to an auxiliary tool for improving workpiece flatness, including at least three independent fulcrum units, three fulcrum unit structures are all same, every fulcrum unit includes: support, support mechanism and support mechanism locking piece, support mechanism is connected in support and is fixed through support mechanism locking piece, and the free end of the end of support mechanism away from the direction of support is contacted with workpiece, the outer diameter of workpiece is contacted and supported with equiangular distribution mode through three fulcrum units, the tool makes the vertical mill equipment improve flatness under the non-magnetic state, rationally utilizes existing workbench to carry out tool design, and the tool is simple, low in cost, and the effect is good, is applicable to the improvement of all product flatness on the vertical mill equipment.

Description

Technical Field

[0001] This utility model relates to an auxiliary tooling for improving the flatness of a workpiece, used to solve the problem of improving the flatness of a workpiece on a vertical grinding machine, and belongs to the field of workpiece grinding. Background Technology

[0002] Improving the flatness of a workpiece on a vertical mill usually involves placing the workpiece on the fulcrum of the mill. Due to the flatness of the workpiece, the contact surface between the workpiece and the fulcrum cannot be completely fitted, resulting in a gap. A suitable feeler gauge is placed in the gap, and then magnetic grinding is performed.

[0003] The drawback of the above processing method is that the flatness value of the workpiece decreases when it is magnetized on the machine tool. After the end face is ground and the flatness test is passed, the workpiece is demagnetized and removed from the machine's support point for flatness testing. The flatness value is larger than that of the workpiece when it is magnetized on the machine, indicating that the flatness improvement is inadequate. Therefore, it is imperative to invent a tooling that allows for non-magnetic grinding of the workpiece on the machine. Utility Model Content

[0004] In view of the technical problems existing in the current methods of improving the flatness of workpieces on vertical mill equipment, the purpose of this utility model is to provide an auxiliary tooling for improving the flatness of workpieces, which can improve the flatness without magnetic attraction, thereby effectively solving the problem of improving the flatness of workpieces on vertical mill equipment.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an auxiliary tooling for improving the flatness of a workpiece, comprising at least three independent support units, all three support units having identical structures; each support unit includes: a support, a bracket mechanism, and a bracket mechanism locking component; the bracket mechanism is connected to the support and fixed by the bracket mechanism locking component, and one free end of the bracket mechanism away from the support is in contact with the workpiece; the outer diameter of the workpiece is supported by the three support units in an equidistant angular distribution. Each support unit of the aforementioned auxiliary tooling needs to be installed on the worktable of the processing equipment to form a three-point auxiliary support for the workpiece; the workpiece involved is a bearing ring with an outer diameter > 400mm and unlimited thickness. Furthermore, one end of the support is connected to the support mechanism, and the other end is connected to the worktable of the equipment via a fastener through a connector. Furthermore, the support is a fan-shaped structure with a threaded hole that connects and mates with the support mechanism and a connecting hole that connects and mates with the equipment worktable; the threaded hole that mates with the support mechanism extends through both end faces of the support, and the connecting hole that mates with the equipment worktable is a T-shaped platform connecting hole located near the threaded hole. Furthermore, if the larger end of the T-shaped platform connecting hole is on the same side as the support mechanism, then the smaller end of the T-shaped platform connecting hole faces the opposite direction to the support mechanism.

[0006] Furthermore, the support mechanism includes: bolts, supports, and support fastening bolts; the bolt is an integral structure formed by a bolt head and a bolt shank, the bolt head is an elliptical structure with front and rear planar designs and upper and lower arcuate convexities, and a through support insertion hole is opened from the front plane to the center of the rear plane of the bolt head, and support fastening bolt holes are opened on the upper and lower arcuate surfaces of the bolt head perpendicular to the support insertion hole for connecting the support fastening bolts; one end of the bolt shank is fixed to one side of the bolt head, and the outer diameter of the bolt shank has external threads; The outer diameter of the support column matches the inner diameter of the support column insertion hole of the bolt head; Furthermore, the other end of the bolt rod is helically connected to the threaded hole of the support. The bolt rod is provided with a bracket mechanism locking component. The depth of the bolt rod extending into the threaded hole of the support is adjusted according to the required height of the support column, and it is fastened by the bracket mechanism locking component. Furthermore, the locking component of the bracket mechanism is a nut whose inner diameter matches the outer diameter of the bolt rod.

[0007] Furthermore, the workbench is located on the small end side of the T-shaped platform connecting hole of the support and is connected by a connector. The connector adopts a T-shaped block structure, and a T-shaped groove is set inside the T-shaped block. The small end of the T-shaped block is opposite to the small end of the T-shaped platform connecting hole, so that the T-shaped platform connecting hole and the T-shaped groove of the T-shaped block are connected. The workbench has a mounting hole that matches the diameter of the small end of the T-shaped block. The T-shaped block passes through the workbench and is fastened by inserting a fastener into the large end direction of the T-shaped platform connecting hole, thereby connecting the T-shaped block to the support and thus fixing it to the workbench. The fasteners are internal hex bolts.

[0008] The beneficial effects of the auxiliary tooling of this utility model are: This fixture improves the flatness of vertical mill equipment without magnetic attraction. It makes reasonable use of the existing worktable for fixture design. The fixture is simple, low-cost, and effective, and is suitable for improving the flatness of all products processed on vertical mill equipment. Attached Figure Description

[0009] Figure 1 This is a structural diagram of the auxiliary tooling of this utility model.

[0010] Figure 2 for Figure 1 AA-direction sectional side view (cut at the fulcrum position).

[0011] Figure 3 for Figure 1BB-directed sectional side view (cut at the fulcrum position).

[0012] Figure 4 This is a diagram of the bolt structure in the auxiliary tooling of this utility model.

[0013] Figure 5 for Figure 4 CC-direction sectional view.

[0014] Figure 6 This is a structural diagram of the support column in the auxiliary tooling of this utility model.

[0015] Figure 7 for Figure 6 Side view.

[0016] Figure 8 This is a diagram showing the assembly structure of bolts and supports for this auxiliary tooling.

[0017] Figure 9 for Figure 8 Top view.

[0018] Figure 10 This is a structural diagram of the T-shaped block of this auxiliary tooling.

[0019] Figure 11 for Figure 10 Top view.

[0020] Figure 12 This is a diagram of the support structure for this auxiliary tooling.

[0021] Figure 13 This is an assembly structure diagram of the auxiliary tooling and the worktable.

[0022] Figure 14 for Figure 13 DD section view (with the fulcrum and worktable cut apart).

[0023] Figure 15 This is a usage diagram of one embodiment of the auxiliary tooling of this utility model.

[0024] Figure 16 This is a usage diagram of another embodiment of the auxiliary tooling of this utility model.

[0025] In the diagram, 1. Support, 2. Workpiece, 3. Worktable, 1.1. Threaded hole, 1.2. T-shaped platform connecting hole, 4. Support column, 5. Support column fastening bolt, 6. Bolt head, 7. Bolt shank, 6.1. Front plane of bolt head, 6.2. Support column insertion hole, 6.3. Support column fastening bolt hole, 8. Nut, 1.2.1. Small end of T-shaped platform connecting hole, 9. T-block, 9.1. T-slot, 9.2. Small end of T-block, 10. Socket head cap screw. Detailed Implementation

[0026] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below. Example 1

[0027] like Figure 1-15 The auxiliary tooling shown includes at least three independent support units, all of which have the same structure. Each support unit includes a support 1, a bracket mechanism, and a bracket mechanism locking element. The bracket mechanism is connected to the support 1 and fixed by the bracket mechanism locking element, and one free end of the bracket mechanism away from the support 1 contacts the workpiece 2. The outer diameter of the workpiece 2 is supported by the three support units in an equidistant manner. Each support unit of the above-mentioned auxiliary tooling needs to be installed on the worktable 3 of the processing equipment to form a three-point auxiliary support for the workpiece 2; as another implementation of this solution, the auxiliary support for the workpiece 2 is not limited to the three-point form, and can be a six-point or eight-point support form. One end of the support 1 is connected to the support mechanism, and the other end is connected to the workbench 3 of the equipment by fasteners through a connector. The support 1 is a fan-shaped structure with a threaded hole 1.1 that connects and mates with the support mechanism and a connecting hole that connects and mates with the equipment worktable 3; the threaded hole 1.1 that mates with the support mechanism passes through both end faces of the support 1, and the connecting hole that mates with the equipment worktable 3 is a T-shaped platform connecting hole 1.2 located near the threaded hole 1.1. The larger end of the T-shaped platform connecting hole 1.2 is on the same side as the support mechanism, while the smaller end 1.2.1 of the T-shaped platform connecting hole faces the opposite direction to the support mechanism.

[0028] The support mechanism includes: bolts, a support column 4, and a support column fastening bolt 5; the bolt is an integral structure formed by a bolt head 6 and a bolt shank 7. The bolt head 6 is an elliptical structure with a front and rear planar design and arc-shaped convexities at the top and bottom. A through support column insertion hole 6.2 is opened from the center of the front plane 6.1 to the rear plane of the bolt head. Support column fastening bolt holes 6.3 are opened on the upper and lower arc surfaces of the bolt head 6, perpendicular to the support column insertion hole 6.2, for connecting the support column fastening bolt 5; one end of the bolt shank 7 is fixed to one side of the bolt head 6, and the outer diameter of the bolt shank 7 has external threads; in use, one end of the support column 4 is inserted into the support column insertion hole 6.2 of the bolt head 6, and the support column 4 is fixed by the support column fastening bolt 5; Among them, the outer diameter of the support 4 matches the inner diameter of the support insertion hole 6.2 of the bolt head 6; The other end of the bolt rod 7 is screwed to the threaded hole 1.1 of the support 1. The bolt rod 7 is provided with a bracket mechanism locking component. The bolt rod 7 can be adjusted to the depth of the bolt rod 7 extending into the threaded hole 1.1 of the support 1 according to the required height of the support column 4, and is fastened by the bracket mechanism locking component. The locking component of the bracket mechanism is a nut 8 whose inner diameter matches the outer diameter of the bolt rod 7.

[0029] The workbench 3 is located on one side of the small end 1.2.1 of the T-shaped platform connecting hole of the support 1 and is connected by a connector. The connector adopts a T-shaped block 9 structure, and the T-shaped block 9 has a T-shaped groove 9.1 inside. The small end 9.2 of the T-shaped block is opposite to the small end 1.2.1 of the T-shaped platform connecting hole, so that the T-shaped platform connecting hole 1.2 and the T-shaped groove 9.1 of the T-shaped block 9 are connected. The workbench 3 has a mounting hole that matches the diameter of the small end 9.2 of the T-shaped block. The T-shaped block 9 passes through the workbench 3 and is fastened by inserting a fastener through the large end of the T-shaped platform connecting hole 1.2, thereby connecting the T-shaped block 9 to the support 1 and thus fixing it to the workbench 3. The fastener is an internal hex bolt 10.

[0030] The assembly process for each support unit of the auxiliary tooling using the above structure is as follows: Step 1: Insert the support post 4 into the support post insertion hole 6.2 of the bolt head 6, and tighten the support post 4 with the support post fastening bolt 5 to fix it in place. Figure 8 , 9 As shown; Step 2: Install the locking part (nut 8) of the bracket mechanism onto the bolt shank 7, and place the bolt shank 7 into the threaded hole 1.1 of the support 1, as follows. Figure 1 , 2 As shown; Step 3: Then install the support 1 onto the worktable 3 using the T-block 9 and fasteners, as follows: Figure 13 , 14As shown; complete the assembly of one fulcrum unit; repeat the above steps to complete the assembly of each fulcrum unit. After assembling the three support units, each of the three support units is installed on the worktable 3 of the processing equipment, forming a three-point evenly distributed support, as shown below. Figure 15 As shown, non-magnetic grinding is then performed on workpiece 2; It should be noted that the height of the support column 4 in the three support units is adjusted by the locking part (nut 8) of the support mechanism to ensure that the height of the support column 4 is consistent with that of the workpiece 2; the position of the support column 4 in the bolt head 6 is adjusted by adjusting the support column fastening bolt 5 in the support mechanism so that the support column 4 contacts the outer surface of the workpiece 2; when the last support column 4 is tightened, it needs to be fitted with a small gap (0-0.02mm) with the workpiece 2 to avoid poor contact between the workpiece 2 and the worktable 3 in the axial direction. Example 2

[0031] The fulcrum unit of the auxiliary workpiece in this embodiment has the same structure as the fulcrum unit in Embodiment 1. The difference is that this auxiliary tooling forms eight auxiliary supports for the workpiece 2, that is, eight fulcrum units are evenly distributed on the outer diameter of the workpiece 2, such as... Figure 16 As shown.

[0032] The key point of the above embodiments is that they abandon the original method of improving flatness in the magnetic state of vertical mill equipment, make reasonable use of the existing worktable for tooling design, and improve the flatness of workpiece 2 by adjusting the support column 4 in the axial and radial directions relative to workpiece 2 in the designed support unit. The tooling is simple, low cost, and effective, and is suitable for improving the flatness of all products processed on vertical mill equipment.

[0033] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0037] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

Claims

1. An auxiliary tooling for improving the flatness of a workpiece, characterized in that, It includes at least three independent fulcrum units, all of which have the same structure; each fulcrum unit includes: a support, a bracket mechanism, and a bracket mechanism locking element; the bracket mechanism is connected to the support and fixed by the bracket mechanism locking element, and one free end of the bracket mechanism away from the support is in contact with the workpiece; the outer diameter of the workpiece is supported by the three fulcrum units in an equidistant manner.

2. The auxiliary tooling for improving the flatness of a workpiece according to claim 1, characterized in that: One end of the support is connected to the support mechanism, and the other end is connected to the workbench of the equipment via fasteners through a connector.

3. The auxiliary tooling for improving the flatness of a workpiece according to claim 2, characterized in that: The support is a fan-shaped structure with a threaded hole that connects and mates with the support mechanism and a connecting hole that connects and mates with the equipment workbench; the threaded hole that mates with the support mechanism passes through both end faces of the support, and the connecting hole that mates with the equipment workbench is a T-shaped platform connecting hole located near the threaded hole.

4. The auxiliary tooling for improving the flatness of a workpiece according to claim 3, characterized in that: If the larger end of the T-shaped platform connecting hole is on the same side as the support mechanism, then the smaller end of the T-shaped platform connecting hole faces the opposite direction to the support mechanism.

5. The auxiliary tooling for improving the flatness of a workpiece according to claim 3, characterized in that: The support mechanism includes: bolts, supports, and support fastening bolts; the bolt is an integral structure formed by a bolt head and a bolt shank, the bolt head is an elliptical structure with front and rear flat designs and upper and lower arc-shaped convexities, and a through support insertion hole is opened from the front plane to the center of the rear plane of the bolt head, and support fastening bolt holes are opened on the upper and lower arc surfaces of the bolt head perpendicular to the support insertion hole for connecting the support fastening bolts; one end of the bolt shank is fixed to one side of the bolt head, and the outer diameter of the bolt shank has external threads.

6. The auxiliary tooling for improving the flatness of a workpiece according to claim 5, characterized in that: The other end of the bolt rod is helically connected to the threaded hole of the support. The bolt rod is equipped with a bracket mechanism locking component. The depth of the bolt rod extending into the threaded hole of the support is adjusted according to the required height of the support column, and is tightened by the bracket mechanism locking component.

7. The auxiliary tooling for improving the flatness of a workpiece according to claim 6, characterized in that: The locking component of the bracket mechanism is a nut whose inner diameter matches the outer diameter of the bolt rod.

8. The auxiliary tooling for improving the flatness of a workpiece according to claim 4, characterized in that: The workbench is located on the small end side of the T-shaped platform connecting hole of the support and is connected by a connector. The connector adopts a T-shaped block structure with a T-shaped groove inside. The small end of the T-shaped block is opposite to the small end of the T-shaped platform connecting hole, so that the T-shaped platform connecting hole and the T-shaped groove of the T-shaped block are connected. The workbench has a mounting hole that matches the diameter of the small end of the T-shaped block. The T-shaped block passes through the workbench and is fastened by inserting a fastener into the large end of the T-shaped platform connecting hole, thereby connecting the T-shaped block to the support and thus fixing it to the workbench.

9. An auxiliary tooling for improving the flatness of a workpiece according to claim 8, characterized in that: The fasteners are hexagon socket head cap screws.

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