Machining tool for turnover base of hydraulic device

By designing a hydraulic device to flip the base machining fixture, the problem of difficult blank clamping was solved by adopting a multi-stage clamping and positioning method, thus realizing stable machining and efficient production of irregularly shaped parts.

CN223629930UActive Publication Date: 2025-12-05NING BO BO YIN XIE BO KE JI YOU XIAN GONG SI
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Patent Information

Application Number
CN202520225554.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-05
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

The blank of the hydraulic device tilting base is difficult to clamp, especially because its irregular structure causes the rectangular and circular end faces to be non-planar before processing, making it difficult to effectively position and clamp.

Method used

A hydraulic device flipping base machining fixture was designed, including a base plate, a first fixture assembly and a second fixture assembly. By combining the first fixture assembly and the second fixture assembly, different parts of the blank are positioned and clamped in different directions. Stable positioning is achieved by the cooperation of bolts and pads, and the machining of the blank is completed in two steps.

Benefits of technology

It achieves stable clamping and efficient processing of irregularly shaped blanks, improves processing efficiency, and simplifies the operation process through modular design, reducing material usage and base plate volume.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a hydraulic device overturning base machining tool, relates to the technical field of machining tools, and aims to solve the technical problem that in the prior art, a blank of a hydraulic device overturning base is difficult to clamp. A hydraulic device overturning base machining tool comprises a bottom plate, a first tool assembly and a second tool assembly, the first tool assembly comprises a first connecting block, a second connecting block, a first cushion block, a baffle and a first fixing bolt, the first connecting block and the second connecting block are arranged in a left-right spaced mode, and the first cushion block is in sliding connection with the second connecting block; the baffle is arranged at the front ends of the first connecting block and the second connecting block; the first fixing bolt is in threaded connection with the second connecting block; the second tool assembly comprises a third connecting block, a fourth connecting block, a second cushion block and a second fixing bolt, the third connecting block and the fourth connecting block are arranged in a left-right spaced mode, the second cushion block is in sliding connection with the fourth connecting block, and the second fixing bolt is in threaded connection with the fourth connecting block.
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Description

TECHNICAL FIELD

[0001] The utility model relates to processing frock technical field, specifically is the hydraulic device overturns base processing frock. BACKGROUND

[0002] The blank of the hydraulic device overturning base is a special-shaped part, which mainly comprises a main body part with an arc-shaped side wall, a cylindrical part provided on the non-arc-shaped side wall of the main body part, and a cuboid part substantially in the shape of a cuboid provided on the other non-arc-shaped side wall of the main body part. The parts to be machined on the blank include a rectangular end face in the cuboid part away from the main body part, a circular end face in the cylindrical part away from the main body part, a central hole of the main body part, and a plurality of holes in the cuboid part. Among them, a stepped surface also needs to be machined on the circular end face. Since the blank is a special-shaped part as described above, and the rectangular end face and the circular end face are not flat before machining, it is difficult to clamp the blank. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model aims to provide a hydraulic device overturning base processing frock to solve the technical problem of difficult clamping of the blank of the hydraulic device overturning base in the prior art.

[0004] To solve the above technical problems, the utility model provides a hydraulic device overturning base processing frock, which comprises a bottom plate, a first frock assembly and a second frock assembly, the first frock assembly and the second frock assembly are arranged on the bottom plate, the first frock assembly comprises a first connecting block, a second connecting block, a first pad, a baffle and a first fixing bolt, the first connecting block and the second connecting block are arranged at intervals left and right, the first pad is slidably connected with the second connecting block and located between the first connecting block and the second connecting block, the baffle is arranged at the front end of the first connecting block and the second connecting block and used for abutting against the arc-shaped side wall of the blank, the first fixing bolt is threadedly connected with the second connecting block and can abut against the first pad, the first end face and the second end face of the blank are abutted against the first connecting block and the first pad respectively by rotating the first fixing bolt; the second frock assembly comprises a third connecting block, a fourth connecting block, a second pad and a second fixing bolt, the third connecting block and the fourth connecting block are arranged at intervals left and right, the second pad is slidably connected with the fourth connecting block and located between the third connecting block and the fourth connecting block, the second fixing bolt is threadedly connected with the fourth connecting block and can abut against the second pad, the circular end face and the arc-shaped side wall of the blank machined at one time are abutted against the third connecting block and the second pad respectively by rotating the second fixing bolt.

[0005] With the above structure, the hydraulic device overturning base machining tooling has the following advantages: the bottom plate is connected to a machine tool, wherein the first tooling assembly clamps a blank that has not been machined, and when clamping, the blank is located between the first connecting block and the first pad and is moved forward, so that the arc-shaped side wall of the blank abuts against the baffle for positioning in the forward and backward direction, the first end surface abuts against the first connecting block by moving the blank to the left, and then the first fixing bolt is rotated so that the first pad abuts against the second end surface, thereby completing clamping of the blank, the cuboid part of the blank is located at the upper end, and the cylindrical part is located at the rear end, and the machine tool processes the circular end surface of the blank in the first tooling assembly, the stepped surface thereof, the rectangular end surface and part of the hole of the cuboid part; the once-processed blank is clamped onto the second tooling assembly, and when clamping, the once-processed blank is located between the third connecting block and the second pad, and since the circular end surface has been processed at this time, it can be used as a positioning surface to abut against the third connecting block, and then the second fixing bolt is rotated so that the second pad abuts against the arc-shaped side wall, thereby completing clamping of the once-processed blank, the cuboid part of the once-processed blank is located at the lower end, and the cylindrical part is located at the left end, and the machine tool processes the central hole of the main body part of the once-processed blank in the second tooling assembly and the remaining hole of the cuboid part, thereby completing processing of the overturning base; for a single blank, only two clamping and processing operations are required to complete processing, and since the first tooling assembly and the second tooling assembly are both arranged on the bottom plate, the first processing of one blank and the second processing of the other blank can be completed at each processing, thereby improving processing efficiency.

[0006] As an improvement, the first tooling assembly further comprises a first base, the first base is detachably connected to the bottom plate, and the first connecting block and the second connecting block are integrally formed on the upper end face of the first base; with this structure, the installation and dismounting between the first connecting block, the second connecting block and the bottom plate can be completed by only installing and dismounting the first base, and the operation is more convenient.

[0007] As an improvement, a plurality of transverse and longitudinal grooves are arranged on the end face of the first connecting block facing the second connecting block; with this structure, the stability of the connection between the first connecting block and the blank is improved.

[0008] As an improvement, a plurality of protruding parts are arranged on the end face of the first pad facing the first connecting block, and a plurality of tapered protrusions are arranged on each protruding part; with this structure, the stability of the connection between the first pad and the blank is improved.

[0009] As improvement, the second tooling assembly further comprises a second base, the second base is detachably connected to the bottom plate, the third connecting block is connected to the side wall of the second base, and the end face of the second base and facing the fourth connecting block is provided with a protrusion for placing the once-processed blank; by adopting the structure, the rectangular end face of the once-processed blank is placed on the protrusion with the rectangular end face downward, and the rectangular end face has been processed at this time, so that the rectangular end face can be used as a positioning surface, thereby improving the stability of the second tooling assembly in clamping the once-processed blank.

[0010] As improvement, the second tooling assembly comprises a plurality of groups and is arranged adjacent to each other left and right, and the second base in the second tooling assembly is the fourth connecting block in the second tooling assembly located on the left side of the second tooling assembly; by adopting the structure, the second base and the fourth connecting block are shared by adjacent second tooling assemblies, thereby saving materials, reducing the volume of the bottom plate, and making the installation and dismounting of the second base and the fourth connecting block more convenient.

[0011] As improvement, the end face of the third connecting block and facing the fourth connecting block is provided with a circular hole for accommodating the boss on the circular end face of the once-processed blank; by adopting the structure, the boss is formed on the stepped surface processed after the first time, and the boss is used as a positioning surface, thereby improving the stability of the connection between the third connecting block and the once-processed blank.

[0012] As improvement, the end face of the second base and close to the third connecting block is provided with a V-shaped groove; by adopting the structure, the stability of the connection between the second base and the once-processed blank is improved.

[0013] As improvement, the first tooling assembly comprises a plurality of groups and is arranged adjacent to each other left and right; by adopting the structure, a plurality of blanks can be processed for the first time at one time, thereby improving the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] Figure 2 It is a structural schematic view of the first tooling assembly clamping the overturning base in the utility model.

[0016] Figure 3 It is a structural schematic view of the first tooling assembly in the utility model.

[0017] Figure 4 It is a structural schematic view of the first tooling assembly in another view in the utility model.

[0018] Figure 5 It is a structural schematic view of the second tooling assembly clamping the overturning base in the utility model.

[0019] Figure 6It is the structure schematic view of the second tooling assembly in the utility model.

[0020] Figure 7 It is the structure schematic view of the turnover base blank.

[0021] Figure 8 It is the structure schematic view of the turnover base blank from another perspective.

[0022] Figure 9 It is the structure schematic view of the turnover base finished product.

[0023] Reference signs: 100, main body part; 101, center hole; 102, arc-shaped side wall; 103, first end face; 104, second end face; 200, cuboid part; 201, rectangular end face; 300, cylindrical part; 301, step face; 302, circular end face; 1, bottom plate; 2, first tooling assembly; 21, first connecting block; 22, second connecting block; 23, first cushion block; 24, baffle; 25, first fixing bolt; 26, first base; 3, second tooling assembly; 31, third connecting block; 32, fourth connecting block; 33, second cushion block; 34, second fixing bolt; 35, second base; 4, recess; 5, protruding part; 6, conical protrusion; 7, protruding block; 8, round hole; 9, V-shaped groove. DETAILED DESCRIPTION

[0024] The hydraulic device turnover base machining tool will be described in detail below with reference to the drawings.

[0025] As Figures 1 to 6 shown is a hydraulic device turnover base machining tool, as Figure 7 and Figure 8 shown is a turnover base blank, comprising a main body part 100 with an arc-shaped side wall 102, a cylindrical part 300 arranged on the non-arc-shaped side wall of the main body part 100, and a cuboid part 200 arranged on the other non-arc-shaped side wall of the main body part 100, wherein the main body part 100 has two opposite first end faces 103 and second end faces 104, as Figure 9 shown is a turnover base finished product, which has a rectangular end face 201 in the cuboid part 200 away from the main body part 100, a circular end face 302 in the cylindrical part 300 away from the main body part 100, a center hole 101 of the main body part 100, and a plurality of holes in the cuboid part 200, wherein a step face 301 also needs to be machined on the circular end face 302, and the hydraulic device turnover base machining tool will be described in detail below.

[0026] As Figures 1 to 6As shown in the figure, a hydraulic device overturning base machining tool includes a bottom plate 1, a first tool assembly 2 and a second tool assembly 3, the bottom plate 1 is connected to a machine tool, and the first tool assembly 2 and the second tool assembly 3 are both arranged on the bottom plate 1.

[0027] As shown in the figure, Figures 2 to 4 The first tool assembly 2 includes a first connecting block 21, a second connecting block 22, a first pad block 23, a baffle 24 and a first fixing bolt 25, the first connecting block 21 and the second connecting block 22 are arranged at intervals left and right, the first pad block 23 is slidably connected with the second connecting block 22 and located between the first connecting block 21 and the second connecting block 22, the sliding direction is the left-right direction, the baffle 24 is arranged at the front end of the first connecting block 21 and the second connecting block 22 and used for abutting against the arc-shaped side wall 102 of the blank, specifically, the baffle 24 is fixed at the front end face of the first connecting block 21 and the front end face of the second connecting block 22 through bolts at both ends, the first fixing bolt 25 is threadedly connected with the second connecting block 22 and can abut against the first pad block 23, the first end face 103 and the second end face 104 of the blank are respectively abutted against the first connecting block 21 and the first pad block 23 by rotating the first fixing bolt 25; wherein the first pad block 23 is slidably connected with the second connecting block 22 through a slide rod or the like structure, and the first fixing bolt 25 abuts against the first pad block 23 through the second connecting block 22.

[0028] As shown in the figure, Figure 3 and Figure 4 The first tool assembly 2 further includes a first base 26, the first base 26 is detachably connected on the bottom plate 1, the first connecting block 21 and the second connecting block 22 are integrally formed on the upper end face of the first base 26, the first base 26 is connected to the bottom plate 1 through a positioning pin, and the first base 26 and the bottom plate 1 are fixed through a fixing bolt.

[0029] As shown in the figure, Figure 3 and Figure 4 The end face of the first connecting block 21 towards the second connecting block 22 is provided with a plurality of transverse and longitudinal recesses 4, the end face of the first pad block 23 towards the first connecting block 21 is provided with a plurality of protruding parts 5, and each protruding part 5 is provided with a plurality of tapered protrusions 6, specifically, there are three protruding parts 5 on the first pad block 23, and the three protruding parts 5 are equidistantly arranged in the circumferential direction.

[0030] The first tooling assembly 2 clamps the unprocessed blank, and when clamping, the blank is located between the first connecting block 21 and the first pad 23 and moves forward, so that the arc-shaped side wall 102 of the blank abuts against the baffle 24 for positioning in the front and back direction, and the blank moves to the left so that the first end face 103 abuts against the first connecting block 21, and then the first fixing bolt 25 is turned so that the first pad 23 abuts against the second end face 104, completing the clamping of the blank. The cuboid part 200 of the blank is located at the upper end, and the cylindrical part 300 is located at the rear end. The machine tool processes the circular end face 302 of the blank in the first tooling assembly 2, the stepped face 301 and the rectangular end face 201, and part of the hole of the cuboid part 200, as shown in Figure 2 The figure shows the state of the blank after the first processing clamped on the first tooling assembly 2. At this time, the first processing is completed, and the blank after the first processing is disassembled for the second processing.

[0031] As shown in Figure 5 and Figure 6 The second tooling assembly 3 includes a third connecting block 31, a fourth connecting block 32, a second pad 33, and a second fixing bolt 34. The third connecting block 31 and the fourth connecting block 32 are arranged left and right. The second pad 33 is slidably connected with the fourth connecting block 32 and located between the third connecting block 31 and the fourth connecting block 32. The sliding direction is left and right. The second fixing bolt 34 is threadedly connected with the fourth connecting block 32 and can abut against the second pad 33. By turning the second fixing bolt 34, the circular end face 302 and the arc-shaped side wall 102 of the blank after the first processing abut against the third connecting block 31 and the second pad 33, respectively. The second pad 33 is inserted into the fourth connecting block 32 to achieve sliding connection. The threaded hole of the second fixing bolt 34 is communicated to the sliding cavity of the second pad 33, so that the second fixing bolt 34 can abut against the second pad 33.

[0032] As shown in Figure 5 and Figure 6 The second tooling assembly 3 further includes a second base 35. The second base 35 is detachably connected to the bottom plate 1. The third connecting block 31 is connected to the side wall of the second base 35. The end face of the second base 35 towards the fourth connecting block 32 is provided with a protrusion 7 for placing the blank after the first processing. The second base 35 is connected to the bottom plate 1 by a positioning pin and then connected to the bottom plate 1 by a fixing bolt. The rectangular end face 201 is placed on the protrusion 7. The protrusion 7 is integrally formed with the second base 35.

[0033] As shown in Figure 6As shown, the third connecting block 31 and the end face towards the fourth connecting block 32 are provided with a circular hole 8 for accommodating the boss on the circular end face 302 of the once-processed blank, and the boss is formed by a stepped surface 301; and the second pad 33 and the end face close to the third connecting block 31 are provided with a V-shaped groove 9.

[0034] The once-processed blank is clamped to the second tooling assembly 3, and during clamping, the once-processed blank is located between the third connecting block 31 and the second pad 33, and since the circular end face 302 has been processed at this time, it can be used as a positioning surface and abuts against the third connecting block 31, and then the second fixing bolt 34 is rotated to make the second pad 33 abut against the arc-shaped side wall 102, thereby completing the clamping of the once-processed blank, and the cuboid portion 200 is located at the lower end and the cylindrical portion 300 is located at the left end, and the machine tool processes the center hole 101 of the main body portion 100 of the once-processed blank in the second tooling assembly 3 and the remaining hole of the cuboid portion 200, thereby completing the processing of the turnover base, as shown in Figure 5 As shown, the once-processed blank is clamped to the second tooling assembly 3, and during clamping, the once-processed blank is located between the third connecting block 31 and the second pad 33, and since the circular end face 302 has been processed at this time, it can be used as a positioning surface and abut against the third connecting block 31, and then the second fixing bolt 34 is rotated to make the second pad 33 abut against the arc-shaped side wall 102, thereby completing the clamping of the once-processed blank, and the cuboid portion 200 is located at the lower end and the cylindrical portion 300 is located at the left end, and the machine tool processes the center hole 101 of the main body portion 100 of the once-processed blank in the second tooling assembly 3 and the remaining hole of the cuboid portion 200, thereby completing the processing of the turnover base, as shown in

[0035] The first tooling assembly 2 is arranged adjacent to the left side, and the second tooling assembly 3 is arranged adjacent to the left side of the first tooling assembly 2, and the second base 35 in the second tooling assembly 3 is the fourth connecting block 32 in the second tooling assembly 3 located on the left side; for example, two groups of the first tooling assembly 2 and the second tooling assembly 3 in the embodiment, as shown in Figure 6 As shown, the fourth connecting block 32 of the second tooling assembly 3 on the left side and the second base 35 of the second tooling assembly 3 on the right side are the same, and during clamping, the once-processed blank on the left side is clamped first, and then the once-processed blank on the right side is clamped.

[0036] The embodiments of the utility model are described in detail in combination with the drawings above, but the utility model is not limited to the above-mentioned one embodiment, and all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection range of the utility model.

Claims

1. A hydraulic device overturning base machining tool, characterized by, The utility model provides a first tooling assembly (2) and second tooling assembly (3) are arranged on bottom plate (1), first tooling assembly (2) includes first connecting block (21), second connecting block (22), first cushion block (23), baffle (24) and first fixed bolt (25), first connecting block (21) and second connecting block (22) are spaced apart and arranged, first cushion block (23) is connected with second connecting block (22) and is located between first connecting block (21) and second connecting block (22), baffle (24) is arranged in first connecting block (21) and second connecting block (22) front end and is used to with the arc lateral wall (102) of blank piece resistance, first fixed bolt (25) is screwed with second connecting block (22) and can be with first cushion block (23) resistance, by rotating first fixed bolt (25) makes the first end surface (103) and second end surface (104) of blank piece respectively with first connecting block (21) and first cushion block (23) resistance, second tooling assembly (3) includes third connecting block (31), fourth connecting block (32), second cushion block (33) and second fixed bolt (34), third connecting block (31) and fourth connecting block (32) are spaced apart and arranged, second cushion block (33) is connected with fourth connecting block (32) and is located between third connecting block (31) and fourth connecting block (32), second fixed bolt (34) is screwed with fourth connecting block (32) and can be with second cushion block (33) resistance, by rotating second fixed bolt (34) makes the circular end surface (302) and arc lateral wall (102) of blank piece after primary processing respectively with third connecting block (31) and second cushion block (33) resistance.

2. The hydraulic device turnover base machining tooling fixture of claim 1, wherein, First tooling assembly (2) still includes first base (26), first base (26) can be detachably connected on bottom plate (1), first connecting block (21) and second connecting block (22) are integrally formed on the upper end surface of first base (26).

3. The hydraulic device turnover base machining tooling fixture of claim 1, wherein, The end surface of first connecting block (21) and towards the second connecting block (22) is provided with a plurality of transverse and longitudinal grooves (4).

4. The hydraulic device turnover base machining tooling fixture of claim 1, wherein, The end surface of first cushion block (23) and towards the first connecting block (21) is provided with a plurality of protrusions (5), and each protrusion (5) is provided with a plurality of tapered protrusions (6).

5. The hydraulic device flip base machining tooling fixture of claim 1, wherein, Second tooling assembly (3) still includes second base (35), second base (35) can be detachably connected on bottom plate (1), third connecting block (31) is connected to the side wall of second base (35), the end surface of second base (35) and towards the fourth connecting block (32) is provided with a protrusion (7) for placing the blank piece after primary processing.

6. The hydraulic device turnover base machining tooling fixture of claim 5, wherein, The second tooling assembly (3) is arranged in several groups and adjacent to each other left and right, and the second base (35) in the second tooling assembly (3) is the fourth connecting block (32) in the second tooling assembly (3) located on the left side thereof.

7. The hydraulic device flip base machining tooling fixture of claim 1, wherein, A circular hole (8) for accommodating the boss on the circular end face (302) of the once-processed blank is arranged on the end face of the third connecting block (31) and towards the fourth connecting block (32).

8. The hydraulic device flip base machining tooling fixture of claim 1, wherein, A V-shaped groove (9) is arranged on the end face of the second pad block (33) and close to the third connecting block (31).

9. The hydraulic device flip base machining tooling fixture of claim 1, wherein, The first tooling assembly (2) is arranged in several groups and adjacent to each other left and right.