Automatic tool clamp of machining center

Abstract

The utility model discloses an automatic tool clamp of a machining center, and relates to the technical field of automobile exhaust end cone production. An automatic tool clamp of a machining center comprises a tool bottom plate, a connecting side plate, a positioning boss, a first oil pressure lever cylinder, a second oil pressure lever cylinder, a third oil pressure lever cylinder and a floating supporting cylinder. The connecting side plate is laterally fixed to one side of the top face of the tool bottom plate. The positioning boss is fixed on the inner side of the connecting side plate; the first oil pressure lever cylinder, the second oil pressure lever cylinder and the third oil pressure lever cylinder are all fixed to the inner side of the connecting side plate and arranged around the positioning boss at intervals. According to the automatic tool clamp of the machining center, when a heat shield mounting hole and a hoisting hole in the automobile exhaust end cone need to be machined through the machining center, the automobile exhaust end cone can be clamped and fixed in advance, the tool clamp is convenient to operate, labor intensity is reduced, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile exhaust end cone production, and particularly relates to an automatic tooling fixture for a machining center. Background Technique

[0002] An automobile exhaust end cone is a component installed at the end of an automobile exhaust pipe, and is usually used to improve the performance and sound characteristics of the exhaust system. The main function of the automobile exhaust end cone is to regulate and control the exhaust gas flow to optimize the engine performance and improve emissions.

[0003] Figure 5 As shown: An automobile exhaust end cone 200, the exhaust end cone 200 includes a tapered pipe 210, a large port 220 and a small port 230 fixed at both ends of the tapered pipe 210; pressure sensor mounting holes 260 and oxygen sensor mounting holes 270 are arranged at intervals on the position section of the tapered pipe 210 close to the large port 220, and a fixing hole 250 is located between the pressure sensor mounting holes 260 and the oxygen sensor mounting holes 270; a lifting hole 280 is arranged on the middle position section of the tapered pipe 210, and the first heat shield mounting hole 241, the second heat shield mounting hole 242 and the third heat shield mounting hole 243 are arranged at intervals;

[0004] Among them, the fixing hole 250 is a bolt fixing hole used to assemble the exhaust end cone 200 on the vehicle; the lifting hole 280 is used for lifting during vehicle loading; the first heat shield mounting hole 241, the second heat shield mounting hole 242 and the third heat shield mounting hole 243 are used as assembly holes for the heat shield, and the heat shield prevents the heat of the exhaust end cone from being transmitted to the vehicle.

[0005] When the machining center processes the automobile exhaust end cone, it is first necessary to position the product; in this regard, the inventor believes that how to design a tooling fixture for the above exhaust end cone, and after the tooling fixture clamps and positions the exhaust end cone, the machining center can conveniently process the heat shield mounting holes and lifting holes on the exhaust end cone. The above are the technical problems that need to be solved by those skilled in the art at present.

[0006] The information disclosed in this background art section is only intended to enhance the overall understanding of the present utility model and should not be construed as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Utility Model

[0007] In view of the above technical problems, an embodiment of the present utility model provides an automatic tooling fixture for a machining center to solve the problems raised in the above background art.

[0008] The present utility model provides the following technical solutions:

[0009] An automatic tooling fixture for a machining center, comprising:

[0010] Tooling base plate, connecting side plate, positioning boss, first hydraulic lever cylinder, second hydraulic lever cylinder, third hydraulic lever cylinder, floating support cylinder;

[0011] The connecting side plate is laterally fixed on one side of the top surface of the tooling base plate;

[0012] The positioning boss is fixed inside the connecting side plate;

[0013] The first hydraulic lever cylinder, the second hydraulic lever cylinder, and the third hydraulic lever cylinder are all fixed inside the connecting side plate and are arranged at intervals around the positioning boss;

[0014] The third hydraulic lever cylinder is located at the bottom of the positioning boss, the second hydraulic lever cylinder is located at the top of the positioning boss, and the first hydraulic lever cylinder is located between the second hydraulic lever cylinder and the third hydraulic lever cylinder;

[0015] The floating support cylinder is fixed on the tooling base plate and the floating support cylinder is located on the opposite side of the third hydraulic lever cylinder.

[0016] Preferably, it further includes an angular positioning block; the angular positioning block is fixed inside the connecting side plate and is arranged perpendicular to the connecting side plate; the angular positioning block is located between the floating support cylinder and the third hydraulic lever cylinder and is arranged close to the third hydraulic lever cylinder.

[0017] Preferably, the first hydraulic lever cylinder, the second hydraulic lever cylinder, and the third hydraulic lever cylinder have the same structure.

[0018] Preferably, the first hydraulic lever cylinder includes a first cylinder block, a first piston, a first connecting rod, and a first pressing block;

[0019] The first piston is drivingly arranged on the first cylinder block; the first pressing block is hinged to the end of the first piston; there are two first connecting rods, and the two first connecting rods are respectively hinged to the first cylinder block at intervals and the free ends of the two first connecting rods are both hinged to the first pressing block.

[0020] Preferably, a strip-shaped pressing plate is fixedly arranged on the second pressing block of the second hydraulic lever cylinder.

[0021] An automatic tooling fixture for a machining center provided by an embodiment of the present invention has the following beneficial effects: In the present invention, an automatic tooling fixture for a machining center is designed. When it is necessary to use a machining center to process the mounting holes and lifting holes on the heat insulation cover of the automotive exhaust end cone, the automotive exhaust end cone can be pre-clamped and fixed. The tooling fixture is easy to operate, reduces labor intensity, and improves production efficiency. Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of the first aspect of the present invention;

[0023] Figure 2 This is a schematic structural view of the second angle of the present utility model;

[0024] Figure 3 This is a schematic structural view of the present utility model after positioning the exhaust end cone;

[0025] Figure 4 This is the present utility model Figure 1 A partial enlarged view of A in;

[0026] Figure 5 This is a schematic structural view of an automotive exhaust end cone. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present utility model.

[0028] Refer to Figures 1 - 5 .

[0029] In view of the problems mentioned in the above background technology, the embodiments of the present utility model provide an automatic tooling fixture for a machining center to solve the above technical problems, and the technical solutions are as follows:

[0030] An automatic tooling fixture for a machining center, comprising:

[0031] A tooling base plate 110, a connecting side plate 120, a positioning boss 130, a first hydraulic lever cylinder 140, a second hydraulic lever cylinder 150, a third hydraulic lever cylinder 160, and a floating support cylinder 170;

[0032] The connecting side plate 120 is laterally fixed to one side of the top surface of the tooling base plate 110;

[0033] The positioning boss 130 is fixed inside the connecting side plate 120; the positioning boss 130 is used to position the large port 220 on the automotive exhaust end cone 200;

[0034] The first hydraulic lever cylinder 140, the second hydraulic lever cylinder 150, and the third hydraulic lever cylinder 160 are all fixed inside the connecting side plate 120 and are arranged at intervals around the positioning boss 130;

[0035] The third hydraulic lever cylinder 160 is located at the bottom of the positioning boss 130, the second hydraulic lever cylinder 150 is located at the top of the positioning boss 130, and the first hydraulic lever cylinder 140 is located between the second hydraulic lever cylinder 150 and the third hydraulic lever cylinder 160;

[0036] The floating support cylinder 170 is fixed on the tooling base plate 110, and the floating support cylinder 170 is located on the opposite side of the third hydraulic lever cylinder 160.

[0037] In this embodiment, it further includes an angular positioning block 180; the angular positioning block 180 is fixed on the inner side of the connecting side plate 120 and is arranged perpendicular to the connecting side plate 120; the angular positioning block 180 is located between the floating support cylinder 170 and the third hydraulic lever cylinder 160 and is arranged close to the third hydraulic lever cylinder 160;

[0038] After the exhaust end cone 200 is positioned on the tooling fixture, the oxygen sensor mounting hole passage 270 on the exhaust end cone 200 leans on the angular positioning block 180, and the angular positioning block 180 abuts against one side of the oxygen sensor mounting hole passage 270 of the exhaust end cone 200, preventing the exhaust end cone 200 from swaying left and right and further enhancing the positioning accuracy.

[0039] In this embodiment, the first hydraulic lever cylinder 140, the second hydraulic lever cylinder 150, and the third hydraulic lever cylinder 160 have the same structure; the first hydraulic lever cylinder 140 includes a first cylinder block, a first piston 141, a first connecting rod 142, and a first pressing block 143;

[0040] The first piston 141 is driven and arranged on the first cylinder block; the first pressing block 143 is hinged to the end of the first piston 141; there are two first connecting rods 142, and the two first connecting rods 142 are respectively and spacedly hinged on the first cylinder block, and the free ends of the two first connecting rods 142 are both hinged to the first pressing block 143.

[0041] In this embodiment, a strip-shaped pressing plate 151 is fixedly arranged on the second pressing block of the second hydraulic lever cylinder 150; the pressing plate 151 is used to press the position section of the tapered pipe 210 close to the small port 230.

[0042] A method for using an automatic tooling fixture of a machining center provided by an embodiment of the present utility model is as follows:

[0043] 1. Figure 3 As shown; the worker inserts the large port 220 of the automotive exhaust end cone 200 onto the positioning boss 130 of the connecting side plate 120, and leans the oxygen sensor mounting hole passage 270 on the exhaust end cone 200 on the angular positioning block 180 to complete the preliminary positioning of the exhaust end cone 200;

[0044] 2. The first hydraulic lever cylinder 140, the second hydraulic lever cylinder 150, and the third hydraulic lever cylinder 160 work, and the pistons on the three hydraulic lever cylinders move respectively and drive the pressing blocks on their respective structures to change the movement direction so as to press the exhaust end cone 200;

[0045] Specifically, the first hydraulic pressure lever cylinder 140 and the second hydraulic pressure lever cylinder 150 press on the middle position section of the middle cone tube 210 of the exhaust end cone 200, and the third hydraulic pressure lever cylinder 160 presses on the outer wall of the oxygen sensor installation hole 270 in the exhaust end cone 200.

[0046] 3. Then the floating support cylinder 170 works. The floating support cylinder 170 is used to assist in supporting the exhaust end cone 200 to prevent the exhaust end cone 200 from vibrating and improve the positioning stability. Specifically, the floating support cylinder 170 supports on the outer wall of the pressure sensor installation hole 260 in the exhaust end cone 200.

[0047] 4. After the processing operation of the heat insulation cover installation hole and the lifting hole on the exhaust end cone is completed, reverse control the first hydraulic pressure lever cylinder 140, the second hydraulic pressure lever cylinder 150, the third hydraulic pressure lever cylinder 160, and the floating support cylinder 170 to work, and then the automotive exhaust end cone 200 can be removed.

[0048] An automatic tooling fixture for a machining center provided by an embodiment of the present invention has the following beneficial effects: The present invention designs an automatic tooling fixture for a machining center. When it is necessary to process the heat insulation cover installation hole and the lifting hole on the automotive exhaust end cone with the help of a machining center, the automotive exhaust end cone can be clamped and fixed in advance. The tooling fixture is convenient to operate, reduces the labor intensity, and improves the production efficiency.

[0049] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units. They may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0050] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "setting", "connection", "fixation", "swivel connection", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0051] It can be understood that for those of ordinary skill in the art, equivalent substitutions or changes can be made according to the technical solutions and the inventive concept of the present invention, and all such changes or substitutions should fall within the protection scope of the claims attached to the present invention.

Claims

1. An automatic tooling fixture for a machining center, characterized in that, Including: Tooling base plate, connecting side plate, positioning boss, first hydraulic lever cylinder, second hydraulic lever cylinder, third hydraulic lever cylinder, floating support cylinder; The connecting side plate is laterally fixed on one side of the top surface of the tooling base plate; The positioning boss is fixed inside the connecting side plate; The first hydraulic lever cylinder, the second hydraulic lever cylinder, and the third hydraulic lever cylinder are all fixed inside the connecting side plate and are arranged at intervals around the positioning boss; The third hydraulic lever cylinder is located at the bottom of the positioning boss, the second hydraulic lever cylinder is located at the top of the positioning boss, and the first hydraulic lever cylinder is located between the second hydraulic lever cylinder and the third hydraulic lever cylinder; The floating support cylinder is fixed on the tooling base plate and the floating support cylinder is located on the opposite side of the third hydraulic lever cylinder.

2. The automatic tooling fixture for a machining center according to claim 1, wherein, It further includes an angular positioning block; the angular positioning block is fixed inside the connecting side plate and is arranged perpendicular to the connecting side plate; the angular positioning block is located between the floating support cylinder and the third hydraulic lever cylinder and is arranged close to the third hydraulic lever cylinder.

3. The automatic tooling fixture for a machining center according to claim 1, wherein, The first hydraulic lever cylinder, the second hydraulic lever cylinder, and the third hydraulic lever cylinder have the same structure.

4. The automatic tooling fixture for a machining center according to claim 3, characterized in that, The first hydraulic lever cylinder includes a first cylinder block, a first piston, a first connecting rod, and a first pressing block; The first piston is driven and arranged on the first cylinder block; the first pressing block is hinged to the end of the first piston; there are two first connecting rods, and the two first connecting rods are respectively and spacedly hinged on the first cylinder block and the free ends of the two first connecting rods are both hinged to the first pressing block.

5. The automatic tooling fixture for a machining center according to claim 4, wherein A strip-shaped pressing plate is fixedly arranged on the second pressing block of the second hydraulic lever cylinder.

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