A quick positioning device for drilling and tapping of leaf spring seat

Abstract

The utility model discloses a rapid positioning device for drilling and tapping of a leaf spring seat, comprising a leaf spring seat and a base, wherein the leaf spring seat comprises an integrally connected U-shaped main body and an L-shaped extension arm, wherein the U-shaped main body comprises adjacent A, B, and C surfaces, a first positioning component is mounted on the base, and is used to support and position the U-shaped main body buckled thereon from the bottom side, a pressing component is mounted on the base, and is used to press the upward A surface from the top side; a second positioning component and a third positioning component are respectively mounted on the base at positions facing the B and C surfaces, and are respectively used to position the B and C surfaces from both sides. The utility model adopts the method of supporting and positioning from the bottom side, pressing from the top side, and positioning the U-shaped main body from both sides, so as to quickly and reliably position the leaf spring seat of a special-shaped structure, and ensures the processing accuracy and improves the processing efficiency without affecting the drilling, tapping, and chamfering processes.

Description

Technical Field

[0001] The utility model relates to the technical field of leaf spring seat processing, in particular to a rapid positioning device for leaf spring seat drilling and tapping. Background Art

[0002] As the installation base of the leaf spring, the leaf spring seat is usually a special-shaped structure, see Figure 6 , 7 The common leaf spring seat 6 includes an integrally cast U-shaped main body 61 and an L-shaped extension arm 62, wherein the L-shaped extension arm 62 is integrally connected to one side of the U-shaped main body 61, and the U-shaped main body 61 includes adjacent A surfaces, B surfaces and C surfaces. During processing, it is necessary to drill and tap the four corners of the A surface to process the assembly hole 63, and then chamfer the four edges of the hole opening.

[0003] It can be seen that for leaf spring seats with special structures, how to quickly and reliably position them without affecting the drilling, tapping and chamfering processes has become an urgent problem to be solved. Utility Model Content

[0004] The purpose of the utility model is to overcome the defects and shortcomings of the prior art and to provide a rapid positioning device for drilling and tapping a leaf spring seat. The device adopts a method of supporting and positioning from the bottom, pressing from the top and positioning the U-shaped body from both sides to quickly and reliably position the leaf spring seat with a special structure, thereby ensuring the processing accuracy and improving the processing efficiency without affecting the drilling, tapping and chamfering processes.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A quick positioning device for drilling and tapping a leaf spring seat, comprising a leaf spring seat and a base fixed on a drilling and tapping workbench, the leaf spring seat comprising a U-shaped main body and an L-shaped extension arm integrally connected to one side of the U-shaped main body, the U-shaped main body comprising adjacent A surfaces, B surfaces and C surfaces, characterized in that: a first positioning component is installed on the base for supporting and positioning the U-shaped main body inverted thereon from the bottom side, a clamping component is installed on the base for clamping the upward A surface from the top side; a second positioning component and a third positioning component are respectively installed on the base at positions facing the B surface and the C surface, corresponding to positioning the B surface and the C surface from both sides.

[0007] Furthermore, the first positioning component includes a support block and a positioning block fixedly mounted on the support block, the support block is fixed on the base, and the top surface of the positioning block is an inclined surface adapted to the inner top surface of the U-shaped body.

[0008] Furthermore, the pressing component includes a column and a pressing block, the column is fixed on the base at a position facing the C surface, and the pressing block is fixedly sleeved on the column and pressed against the A surface.

[0009] Furthermore, one side of the pressing block is provided with a U-shaped groove running through the upper and lower surfaces thereof.

[0010] Furthermore, the second positioning component includes a vertical plate and two stop blocks, the vertical plate is fixed on the base and extends along the length direction of the B surface, and the two stop blocks are respectively fixedly connected to one side of the vertical plate facing the B surface and abut against the B surface.

[0011] Furthermore, a slot is provided on the inner side of the top surface of the vertical plate.

[0012] Furthermore, the third positioning component includes a pad, a horizontal bar and a positioning pin. The pad is fixed on the base and is used to support the horizontal bar from the bottom. The horizontal bar extends along the length direction of the C-surface and is clamped in the clamping groove. A pin hole is provided on the horizontal bar. The positioning pin is inserted in the pin hole and abuts against the C-surface.

[0013] Furthermore, there are four leaf spring seats and four first positioning components, the first positioning components are symmetrically distributed on the base at four corners, there are two clamping components, two second positioning components and two third positioning components, two adjacent leaf spring seats share one clamping component, and two opposite leaf spring seats share one second positioning component and one third positioning component.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model adopts a first positioning component to realize supporting and positioning the U-shaped body buckled thereon from the bottom, and adopts a pressing component to realize pressing the A surface of the U-shaped body facing upward from the top, and simultaneously adopts a second positioning component and a third positioning component to realize positioning the B surface and the C surface of the U-shaped body from both sides, that is, by supporting and positioning from the bottom, pressing from the top and positioning the U-shaped body from both sides, the leaf spring seat of the special-shaped structure is quickly and reliably positioned, and the processing accuracy is guaranteed without affecting the drilling, tapping and chamfering processing.

[0016] 2. The utility model adopts four first positioning components and two clamping components, a second positioning component and a third positioning component, wherein two adjacent leaf spring seats share a clamping component, and two opposite leaf spring seats share a second positioning component and a third positioning component, so that the four leaf spring seats can be quickly and reliably positioned at one time, and then the four leaf spring seats can be drilled, tapped and chamfered at the same time, thereby effectively improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a partial structural schematic diagram of the utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the utility model when positioning the leaf spring seat.

[0020] Figure 4 It is a schematic diagram of the local structure of the utility model when positioning the leaf spring seat.

[0021] Figure 5 for Figure 4 Schematic diagram of the local structure.

[0022] Figure 6 The structure of the leaf spring seat in the utility model is shown in FIG. Figure 1 .

[0023] Figure 7 The structure of the leaf spring seat in the utility model is shown in FIG. Figure 2 . DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-7 A quick positioning device for drilling and tapping a leaf spring seat comprises a leaf spring seat 6 and a base 1 fixed on a drilling and tapping workbench, the leaf spring seat 6 comprises a U-shaped main body 61 and an L-shaped extension arm 62 integrally connected to one side of the U-shaped main body 61, the U-shaped main body 61 comprises adjacent A surfaces, B surfaces and C surfaces, a first positioning component 2 is installed on the base 1 for supporting and positioning the U-shaped main body 61 inverted thereon from the bottom, a clamping component 3 is installed on the base 1 for clamping the upward facing A surface from the top; a second positioning component 4 and a third positioning component 5 are respectively installed on the base 1 at positions facing the B surface and the C surface, which are respectively used to position the B surface and the C surface from both sides.

[0026] In the present invention, the first positioning component 2 includes a support block 21 and a positioning block 22 fixedly mounted on the support block 21 . The support block 21 is fixed on the base 1 . The top surface of the positioning block 22 is an inclined surface adapted to the inner top surface of the U-shaped body 61 .

[0027] Therefore, after the U-shaped body 61 is buckled on the positioning block 22, the inclined surface at the top of the positioning block 22 is matched with the inner top surface of the U-shaped body 61, so as to support and position the U-shaped body 61 from the bottom and keep the A surface facing upward.

[0028] In the present invention, the pressing component 3 includes a column 31 and a pressing block 32. The column 31 is fixed on the base 1 at a position facing the C surface. The pressing block 32 is fixedly mounted on the column 31 and pressed against the A surface, that is, pressing the upward A surface from the upper side.

[0029] In the present invention, a U-shaped slot 7 is provided on one side of the pressing block 32 and runs through the upper and lower surfaces thereof, so as to facilitate installation and removal of the pressing block 32 .

[0030] In the present invention, the second positioning component 4 includes a vertical plate 41 and two stop blocks 42. The vertical plate 41 is fixed on the base 1 and extends along the length direction of the B surface. The two stop blocks 42 are respectively fixedly connected to one side of the vertical plate 41 facing the B surface and abut against the B surface, thereby realizing the positioning of the B surface.

[0031] In the present invention, a slot 8 is provided on the inner side of the top surface of the vertical plate 41 .

[0032] In the utility model, the third positioning component 5 includes a cushion block 51, a horizontal bar 52 and a positioning pin 53. The cushion block 51 is fixed on the base 1, and is used to support the horizontal bar 52 from the bottom. The horizontal bar 52 extends along the length direction of the C surface and is clamped in the clamping groove 8 to fix the horizontal bar 52. The horizontal bar 52 is provided with a pin hole 9. The positioning pin 53 is inserted into the pin hole 9 and abuts against the C surface to position the C surface.

[0033] In the utility model, there are four leaf spring seats 6 and four first positioning components 2, and the first positioning components 2 are symmetrically distributed on the base 1 at four corners. There are two clamping components 3, second positioning components 4 and third positioning components 5. Two adjacent leaf spring seats 6 share one clamping component 3, and two opposite leaf spring seats 6 share one second positioning component 4 and one third positioning component 5.

[0034] The utility model is further described below in conjunction with the accompanying drawings:

[0035] During positioning, the four leaf spring seats 6 are respectively inverted on the four positioning blocks 22, and the inclined surfaces at the top of each positioning block 22 are respectively matched with the inner top surface of the corresponding U-shaped body 61, so as to support and position the U-shaped body 61 from the bottom and keep the A surface of each U-shaped body 61 facing upward.

[0036] At this time, the surface B of each U-shaped body 61 abuts against the corresponding stop block 42 to achieve positioning of the surface B of each U-shaped body 61 .

[0037] Next, the positioning pins 53 are inserted into the pin holes 9 so that the front ends thereof come into contact with the C-surface, thereby achieving positioning of the C-surface of each U-shaped body 61 .

[0038] Then, the two pressing blocks 32 are fixedly mounted on the two upright posts 31 , respectively, so that the two ends of each pressing block 32 respectively press the A surfaces of the two adjacent U-shaped bodies 61 from the upper side.

[0039] At this point, the four leaf spring seats 6 of the special-shaped structure are quickly and reliably positioned.

[0040] After positioning, the drilling tool and the tapping tool are started successively to drill and tap the four corners of the A surface of each U-shaped body 61. After the assembly hole 63 is processed, the chamfering tool is started to chamfer the four edges of the hole opening.

[0041] After the processing is completed, the two pressing blocks 32 are removed, and the positioning pins 53 are pulled out, and the four leaf spring seats 6 can be removed.

[0042] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0043] Therefore, the above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application; that is, all equivalent changes made according to the scope of the claims of the present application are within the protection scope of the claims of the present application.

Claims

1. A rapid positioning device for a leaf spring seat for drilling and tapping, comprising a leaf spring seat and a base fixed on a drilling and tapping workbench, wherein the leaf spring seat comprises a U-shaped body and an L-shaped extension arm integrally connected to one side of the U-shaped body, wherein the U-shaped body comprises adjacent A surfaces, B surfaces and C surfaces, and is characterized in that: A first positioning component is installed on the base for supporting and positioning the U-shaped body inverted thereon from the bottom side, and a clamping component is installed on the base for clamping the upward A surface from the top side; a second positioning component and a third positioning component are respectively installed on the base at positions facing the B surface and the C surface, which are respectively used to position the B surface and the C surface from both sides.

2. A rapid positioning device for drilling and tapping a leaf spring seat according to claim 1, characterized in that: The first positioning component includes a support block and a positioning block fixedly mounted on the support block, the support block is fixed on the base, and the top surface of the positioning block is an inclined surface adapted to the inner top surface of the U-shaped body.

3. A rapid positioning device for drilling and tapping a leaf spring seat according to claim 1, characterized in that: The pressing component includes a column and a pressing block. The column is fixed on the base at a position facing the C surface, and the pressing block is fixedly sleeved on the column and pressed against the A surface.

4. A rapid positioning device for drilling and tapping a leaf spring seat according to claim 3, characterized in that: One side of the pressing block is provided with a U-shaped slot penetrating through the upper and lower surfaces thereof.

5. A rapid positioning device for drilling and tapping a leaf spring seat according to claim 1, characterized in that: The second positioning component includes a vertical plate and two stop blocks. The vertical plate is fixed on the base and extends along the length direction of the B surface. The two stop blocks are respectively fixedly connected to one side of the vertical plate facing the B surface and abut against the B surface.

6. A rapid positioning device for drilling and tapping a leaf spring seat according to claim 5, characterized in that: A clamping groove is arranged on the inner side of the top surface of the vertical plate.

7. A rapid positioning device for drilling and tapping a leaf spring seat according to claim 6, characterized in that: The third positioning component includes a pad, a horizontal bar and a positioning pin. The pad is fixed on the base and is used to support the horizontal bar from the bottom. The horizontal bar extends along the length direction of the C surface and is clamped in the clamping groove. A pin hole is provided on the horizontal bar. The positioning pin is inserted in the pin hole and abuts against the C surface.

8. A rapid positioning device for drilling and tapping a leaf spring seat according to claim 1, characterized in that: There are four leaf spring seats and four first positioning components, and the first positioning components are symmetrically distributed on the base at four corners. There are two clamping components, two second positioning components and two third positioning components. Two adjacent leaf spring seats share one clamping component, and two opposite leaf spring seats share one second positioning component and one third positioning component.

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