Positioning tool for nodular cast iron machining and capable of rapidly replacing clamp

Abstract

The utility model relates to the technical field of machining equipment, in particular to a nodular cast iron machining positioning tool with a clamp capable of being rapidly replaced. The guide rail is fixedly arranged in the middle of the mounting plate, adjusting blocks are symmetrically and slidably arranged on the guide rail left and right, connecting blocks are fixedly arranged on the top surfaces of the adjusting blocks, and the connecting blocks are slidably arranged in strip-shaped through grooves formed in the operation table; the two mounting blocks are fixedly arranged on the top surfaces of the two connecting blocks respectively; clamping pieces are arranged on the opposite surfaces of the mounting blocks and are arranged on the mounting blocks through quick release mechanisms; the clamping driving mechanism is arranged on the mounting plate on one side of the guide rail and is connected with the adjusting block; and the clamping piece can be conveniently and quickly separated from the mounting block through the quick release mechanism, so that the operation is simpler and more convenient, the replacement efficiency is improved, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a positioning tool for quickly replacing a clamp for ductile iron processing. Background Art

[0002] Ductile iron is a high-strength cast iron material developed in the 1950s. Its comprehensive performance is close to that of steel. For parts with high requirements for strength, toughness and wear resistance, ductile iron has rapidly developed into a cast iron material second only to gray cast iron. Ductile iron is obtained by spheroidizing and inoculating to obtain spheroidal graphite, which effectively improves the mechanical properties of cast iron, especially improves the plasticity and toughness, thereby obtaining a strength higher than that of carbon steel. However, the positioning tool of ductile iron in the prior art needs to replace the fixture when processing ductile iron workpieces of different sizes. However, the existing fixture replacement operation is relatively complicated, which affects the production efficiency. Therefore, there is an urgent need for a positioning tool for ductile iron processing that can quickly replace the fixture. Utility Model Content

[0003] The purpose of the utility model is to provide a positioning tool for ductile iron processing with a reasonably designed fast-changing fixture in view of the defects and shortcomings of the prior art, which can solve the technical problems in the above-mentioned background technology.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: it comprises an operating table and supporting legs, the supporting legs are vertically fixedly arranged on the four corners of the bottom surface of the operating table, and a mounting plate is fixedly arranged between the supporting legs on the lower side of the operating table;

[0005] It also contains:

[0006] The guide rail is fixedly arranged in the middle of the mounting plate, and adjustment blocks are symmetrically slidably arranged on the guide rail. Connecting blocks are fixedly arranged on the top surfaces of the adjusting blocks, and the connecting blocks are slidably arranged in the strip-shaped through grooves provided on the operating table;

[0007] Mounting blocks, there are two mounting blocks, which are respectively fixed on the top surfaces of the two connecting blocks; clamping pieces are arranged on the opposite surfaces of the mounting blocks, and the clamping pieces are arranged on the mounting blocks through a quick release mechanism;

[0008] The clamping drive mechanism is arranged on a mounting plate on one side of the guide rail and is connected to the adjusting block.

[0009] As a further improvement of the present utility model, the clamping drive mechanism comprises:

[0010] Electric push rods, there are two electric push rods, which are respectively fixed on the side walls of the mounting plate through brackets, and the pushing ends of the electric push rods are fixed on the side walls of the adjustment plate; the electric push rods are connected to an external power supply;

[0011] There are two adjusting rods, both of which are arranged in a "V"-shaped structure, and the two adjusting rods are arranged symmetrically and tilted; the adjusting rods are movably inserted in the guide grooves opened inside the adjusting block.

[0012] Through the above technical solution design, the electric push rod is opened, and the adjustment plate is driven to move forward and backward on the mounting plate through the extension and retraction of the electric push rod, thereby driving the adjustment block to move left and right on the guide rail through the adjustment rod, and the two adjustment blocks move in opposite directions, thereby driving and releasing the clamping of the upper clamp.

[0013] As a further improvement of the utility model, a triangular groove is opened inside the adjusting block, and the triangular groove is connected with the guide groove, and the turning part on the front side of the adjusting rod is movably clamped in the triangular groove; the setting of the triangular groove can prevent the adjusting rod from slipping off the adjusting block and limit the adjusting block.

[0014] As a further improvement of the utility model, the quick release mechanism comprises:

[0015] An insert block, the insert block is fixedly arranged on the side wall of the clamping member, and the insert block is movably inserted into a slot provided in the mounting block; a positioning groove is provided on the top surface of the insert block;

[0016] A guide rod, wherein the guide rod is movably inserted on the top surface of the mounting block, a hand-held block is fixedly provided on the upper end of the guide rod, a positioning block is fixedly connected to the lower end of the guide rod, and the positioning block is movably inserted in the positioning groove;

[0017] A compression spring is sleeved on the guide rod, and the upper and lower ends of the compression spring are respectively fixedly connected to the inner side wall of the mounting block and the top surface of the positioning block.

[0018] Through the above technical solution design, when the clamping part is installed, the insert block is inserted into the slot, and the positioning block is pressed into the positioning groove through the reverse compression force of the compression spring, thereby controlling the position of the insert block; when the clamping part needs to be replaced, the guide rod is pulled upward by the hand-held block, and the positioning block is disengaged from the positioning groove, and the clamping part can be replaced.

[0019] As a further improvement of the present invention, the lower side of the positioning block is provided with a chamfer; the chamfer makes it easier for the positioning block to be inserted into the positioning groove, thereby increasing the convenience of operation.

[0020] Compared with the prior art, the beneficial effects of the utility model are as follows: the positioning tool for ductile iron processing with a quick-change clamp described in the utility model can conveniently and quickly separate the clamping part from the mounting block through a quick-release mechanism, which is easier to operate, increases the efficiency of replacement, and is more practical. The utility model has the advantages of reasonable setting and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 yes Figure 1 Enlarged view of part A in .

[0023] Figure 3 It is a cross-sectional view of the utility model.

[0024] Figure 4 It is a schematic diagram of the connection structure of the adjusting plate and the adjusting rod of the utility model.

[0025] Description of reference numerals:

[0026] Operating table 1, supporting leg 2, mounting plate 3, guide rail 4, adjusting block 5, connecting block 6, strip through groove 7, mounting block 8, clamping member 9, clamping drive mechanism 10, electric push rod 10-1, adjusting plate 10-2, adjusting rod 10-3, guide groove 10-4, triangular groove 11, quick release mechanism 12, insert block 12-1, slot 12-2, positioning groove 12-3, guide rod 12-4, hand-held block 12-5, positioning block 12-6, compression spring 12-7. DETAILED DESCRIPTION

[0027] 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.

[0028] See Figure 1-4 As shown, the technical solution adopted in this specific embodiment includes an operating table 1 and supporting legs 2. The supporting legs 2 are vertically fixed by bolts at the four corners of the bottom surface of the operating table 1, and a mounting plate 3 is fixed by bolts between the supporting legs 2 on the lower side of the operating table 1;

[0029] It also contains:

[0030] A guide rail 4, wherein the guide rail 4 is fixedly arranged in the middle of the mounting plate 3, and an adjustment block 5 is symmetrically slidably arranged on the guide rail, and a connecting block 6 is fixedly arranged on the top surface of the adjusting block 5, and the connecting block 6 is slidably arranged in a strip-shaped through groove 7 opened on the operating table 1;

[0031] Mounting blocks 8, there are two mounting blocks 8, which are respectively fixed on the top surfaces of the two connecting blocks 6; clamping members 9 are arranged on the opposite surfaces of the mounting blocks 8, and the clamping members 9 are arranged on the mounting blocks 8 through a quick release mechanism 12; the quick release mechanism 12 comprises:

[0032] Insert block 12-1, said insert block 12-1 is fixedly arranged on the side wall of the clamping member 9, and the insert block 12-1 is movably inserted into a slot 12-2 provided in the mounting block 8; a positioning groove 12-3 is provided on the top surface of the insert block 12-1;

[0033] Guide rod 12-4, the guide rod 12-4 is movably inserted on the top surface of the mounting block 8, the upper end of the guide rod 12-4 is fixedly provided with a hand-held block 12-5, the lower end of the guide rod 12-4 is fixedly connected with a positioning block 12-6, and the positioning block 12-6 is movably inserted in the positioning groove 12-3; the lower side of the positioning block 12-6 is provided with a chamfer; the chamfer is provided to facilitate the positioning block 12-6 to be inserted in the positioning groove 12-3, thereby increasing the convenience of operation;

[0034] Compression spring 12-7, the compression spring 12-7 is sleeved on the guide rod 12-4, and the upper and lower ends of the compression spring 12-7 are respectively fixedly connected to the inner wall of the mounting block 8 and the top surface of the positioning block 12-6;

[0035] The clamping drive mechanism 10 is arranged on the mounting plate 3 on one side of the guide rail 4 and connected to the adjustment block 5; the clamping drive mechanism 10 comprises:

[0036] Electric push rods 10-1, there are two electric push rods 10-1, and they are fixed on the side walls of the mounting plate 3 through brackets respectively, and the pushing ends of the electric push rods 10-1 are fixed on the side walls of the adjustment plate 10-2; the electric push rods 10-1 are connected to an external power supply;

[0037] There are two adjusting rods 10-3, and both are arranged in a "V" shape structure. The two adjusting rods 10-3 are symmetrically inclined. The adjusting rod 10-3 is movably inserted into the guide groove 10-4 opened inside the adjusting block 5. The triangular groove 11 is opened inside the adjusting block 5, and the triangular groove 11 is connected with the guide groove 10-4. The turning part on the front side of the adjusting rod 10-3 is movably clamped in the triangular groove 11. The setting of the triangular groove 11 prevents the adjusting rod 10-3 from slipping off the adjusting block 5, and can limit the adjusting block 5.

[0038] The specific use model of the electric linear actuator 10-1 is purchased directly from the market and installed and used according to the use requirements.

[0039] When using the utility model, the ductile iron workpiece is placed between the clamping members 9, and the size of the clamping members 9 is customized according to the size of the workpiece. When clamping the ductile iron workpiece, the electric push rod 10-1 is opened, and the adjustment plate 10-2 is driven to move forward and backward on the mounting plate 3 through the extension and contraction of the electric push rod 10-1, thereby driving the adjustment block 5 to move left and right on the guide rail 4 through the adjustment rod 10-3, and the two adjustment blocks 5 move in opposite directions, thereby driving and releasing the clamping of the upper clamping member 9; when clamping and positioning different workpieces, the guide rod 12-4 is pulled upward by the hand-held block 12-5, and the positioning block 12-6 is disengaged from the positioning groove 12-3, and the clamping member 9 can be replaced, and the insert block 12-1 is inserted into the slot 12-2, and the positioning block 12-6 is pressed against the positioning groove 12-3 by the reverse compression force of the compression spring 12-7, thereby controlling the position of the insert block 12-1.

[0040] After adopting the above structure, the beneficial effects of this specific implementation are as follows:

[0041] 1. The clamping member 9 can be easily and quickly separated from the mounting block 8 through the quick-release mechanism 12, which makes the operation easier, increases the efficiency of replacement, and is more practical;

[0042] 2. The triangular groove 11 can prevent the adjusting rod 10 - 3 from slipping off the adjusting block 5 and limit the adjusting block 5 at the same time.

[0043] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning tool for ductile iron processing with a quick-change fixture, comprising an operating table (1) and support legs (2), wherein the support legs (2) are vertically fixedly arranged at the four corners of the bottom surface of the operating table (1), and a mounting plate (3) is fixedly arranged between the support legs (2) on the lower side of the operating table (1); Features: It also contains: A guide rail (4), wherein the guide rail (4) is fixedly arranged in the middle of the mounting plate (3), and an adjustment block (5) is symmetrically slidably arranged on the guide rail, and a connecting block (6) is fixedly arranged on the top surface of each adjustment block (5), and the connecting block (6) is slidably arranged in a strip-shaped through groove (7) opened on the operating table (1); Mounting blocks (8), wherein the mounting blocks (8) are two in number and are respectively fixedly arranged on the top surfaces of the two connecting blocks (6); clamping members (9) are arranged on opposite surfaces of the mounting blocks (8), and the clamping members (9) are arranged on the mounting blocks (8) through a quick-release mechanism (12); A clamping drive mechanism (10), wherein the clamping drive mechanism (10) is arranged on a mounting plate (3) on one side of the guide rail (4) and is connected to the adjustment block (5).

2. The positioning tool for ductile iron machining with a quick-change fixture according to claim 1, characterized in that: The clamping drive mechanism (10) comprises: An electric push rod (10-1), wherein the electric push rod (10-1) is two and is respectively fixedly arranged on the side wall of the mounting plate (3) via a bracket, and the pushing ends of the electric push rod (10-1) are both fixedly arranged on the side wall of the adjustment plate (10-2); the electric push rod (10-1) is connected to an external power supply; The regulating rods (10-3) are two and both are arranged in a "V"-shaped structure. The two regulating rods (10-3) are arranged symmetrically and tilted. The regulating rods (10-3) are movably inserted into guide grooves (10-4) provided inside the regulating block (5).

3. The positioning tool for ductile iron machining with a quick-change fixture according to claim 2, characterized in that: The adjusting block (5) has a triangular groove (11) formed inside, and the triangular groove (11) is interlinked with the guide groove (10-4), and the turning part on the front side of the adjusting rod (10-3) is movably clamped in the triangular groove (11).

4. The positioning tool for ductile iron machining with a quick fixture change according to claim 1, characterized in that: The quick release mechanism (12) comprises: An insert block (12-1), the insert block (12-1) being fixedly arranged on a side wall of the clamping member (9), and the insert block (12-1) being movably inserted into a slot (12-2) provided in the mounting block (8); a positioning groove (12-3) being provided on the top surface of the insert block (12-1); A guide rod (12-4), wherein the guide rod (12-4) is movably inserted on the top surface of the mounting block (8), a hand-held block (12-5) is fixedly provided on the upper end of the guide rod (12-4), a positioning block (12-6) is fixedly connected to the lower end of the guide rod (12-4), and the positioning block (12-6) is movably inserted in the positioning groove (12-3); A compression spring (12-7) is sleeved on the guide rod (12-4), and the upper and lower ends of the compression spring (12-7) are respectively fixedly connected to the inner side wall of the mounting block (8) and the top surface of the positioning block (12-6).

5. The positioning tool for ductile iron machining with a quick-change fixture according to claim 4, characterized in that: The lower side of the positioning block (12-6) is provided with a chamfer.

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