Hydraulic tool clamp of machining center

Abstract

The utility model discloses a hydraulic work fixture of a machining center, which relates to the technical field of fixtures and comprises a base, two bottom plates fixedly connected to the top of the base, two rotating connecting pieces fixedly connected to the top of the base, rotating seats fixedly connected to the tops of the rotating connecting pieces, hydraulic cylinders fixedly mounted at the tops of the rotating seats, and hydraulic cylinders fixedly mounted at the tops of the rotating seats. The telescopic end of the hydraulic cylinder is fixedly connected with a mounting seat; and the changeable clamping mechanism comprises four clamping seats and four triangular blocks, every two of the four clamping seats form a group, and the two clamping seats in the same group are fixedly mounted at the top of the bottom plate and the bottom of the mounting seat respectively. The clamping type of the clamp can be rapidly and conveniently changed, so that the clamp can be better suitable for plate workpieces or cylindrical workpieces, the whole clamp does not need to be disassembled and replaced, time and labor are saved, efficiency is high, the workpieces can be conveniently placed and taken out, and overall practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, especially a machining center hydraulic tooling fixture. BACKGROUND

[0002] Hydraulic tooling is a kind of equipment that uses hydraulic principle to realize various industrial operations, which is widely used in manufacturing, construction, aviation, automobile, ship, mine and many other fields, and hydraulic tooling fixture is a kind of tool widely used in the field of machining, manufacturing and assembly, mainly used for fixing, positioning and clamping workpieces for processing or assembly. Hydraulic tooling fixtures are usually installed at machining center of machine tools for clamping and fixing workpieces, as follows.

[0003] According to the search, the patent with the authorization announcement number CN219444220U discloses a tooling fixture equipment, which aims to provide a machining center hydraulic tooling fixture, and the technical scheme points are as follows: a rack is provided, a plurality of fixture mechanisms for clamping workpieces to be machined are arranged on the rack, the mechanism includes a positioning mechanism arranged on the rack and used for positioning and placing the workpieces to be machined, and a fixing mechanism arranged on the rack through an inner hexagonal bolt and located at the right side of the positioning mechanism and used for fixing and clamping the workpieces to be machined. The utility model can fix the workpieces to be machined in all directions, and the clamping force, clamping position and positioning accuracy are the same each time, thereby improving the machining precision. In addition, the utility model can install several groups of workpieces at the same time, realize high efficiency and stable production, and will not affect the surface roughness of the workpieces to be machined. The utility model has the advantages of simple structure, convenient manufacturing and simple operation, and is suitable for popularization and application. The utility model is suitable for the field of tooling fixture equipment.

[0004] However, the existing machining center hydraulic tooling fixture still has the following optimization points, for example, it is either a flat clamping plate or a V-shaped opening clamping plate. Different fixture clamps of different clamping plates can be suitable for different types of workpiece machining work needs, for example, the flat clamping plate has good clamping and fixing effect on plate type workpieces, and the V-shaped opening clamping plate has good clamping and fixing effect on cylindrical workpieces. However, since the two cannot coexist, the clamping plate of the fixture needs to be disassembled, replaced and installed under different conditions, and the disassembly, replacement and installation of the clamping plate of the fixture are complex, time-consuming and laborious, and the efficiency is low, so the structure needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model discloses a machining center hydraulic tool fixture, it is changed through being provided with clamping mechanism, make at work, can according to the actual need of processing workpiece, for example if workpiece is board workpiece, then need not change clamp, directly can board workpiece is placed in two below clamping seat top, and board workpiece bottom also can contact with the plane of triangular block, at this moment, can start two hydraulic cylinders, make it contract, cooperate with mounting seat, drive two above clamping seat to move down, clamping board workpiece is fixed well, and if cylindrical workpiece, then can pull out four clamping seat inside triangular block, expose the V type slot of clamping seat inside, then can place cylindrical workpiece in two below clamping seat V type slot, then start two hydraulic cylinders, make it contract, cooperate with mounting seat, drive two above clamping seat to move down, cylindrical workpiece can be fixed well, need not dismount clamping seat and change installation, change clamp operation saves time and labor, and the efficiency is higher, effectively improve the practicality of fixture, and the above, solve the problem in background art.

[0006] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0007] The utility model discloses a machining center hydraulic tool fixture, including base, the top fixed connection of base has two bottom plate, the top fixed connection of base has two rotation connecting piece, the top fixed connection of rotation connecting piece has rotary seat, the top fixed mounting of rotary seat has hydraulic cylinder, the telescopic end fixed connection of hydraulic cylinder has mounting seat.

[0008] Changeable clamping mechanism, the changeable clamping mechanism includes clamping seat and triangular block, clamping seat and triangular block all are equipped with four, four clamping seat two two are a group, and the two clamping seat of same group is fixed mounting at the top of bottom plate and the bottom of mounting seat respectively, the opposite side of two clamping seat all is seted up V type slot, the opposite side of two groups clamping seat all is seted up two positioning slot, the triangular block is matched with V type slot and is clamped, one side of triangular block is fixedly connected with connecting plate, one side of connecting plate is fixedly connected with two positioning column, the positioning column is clamped with positioning slot, one side of clamping seat is fixedly connected with two first magnet, one side of connecting plate is fixedly connected with two second magnet, and the second magnet is connected with first magnet and is adsorbed.

[0009] Driving rotation mechanism, the driving rotation mechanism is located at the top of base and the outside of hydraulic cylinder.

[0010] Further, the opposite side of two clamping seats of the same group and the opposite side of two triangular blocks of the same group are fixedly attached with a non-slip pad.

[0011] Further, the anti-skid pad is made of rubber material, and the surfaces of the anti-skid pads on the clamping seat and the triangular blocks are flush.

[0012] Further, the connecting plate is fixedly connected with a handle on the side away from the clamping seat, and the handle is fixedly connected with the connecting plate by welding.

[0013] Further, the rotating seat is fixedly connected with an extension plate on one side, the extension plate is fixedly connected with two guide rods on the top, the guide rods are movably penetrated through the mounting seat on the top, and the guide rods are fixedly connected with limit blocks on the top.

[0014] Further, the size of the positioning column is matched with the size of the positioning groove, and the outer surface of the positioning column is smooth.

[0015] Further, the driving rotating mechanism comprises a hydraulic motor, a first gear and a second gear, the driving rotating mechanism is provided with two groups, the two hydraulic motors are fixedly installed on the top of the base, the first gear is connected with the output end of the hydraulic motor, the second gear is fixedly sleeved with the outside of the hydraulic cylinder, and the second gear is engaged with the first gear.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1、 this technical scheme through setting up can change the clamping mechanism, make in work, can according to the actual need of processing workpiece, quickly and conveniently change the clamping type of clamp, make it can better be applicable to board workpiece or cylindrical workpiece, need not to dismantle and change the whole clamping mechanism, make the change clamp operation timesaving, laborsaving, and the efficiency is higher, effectively improved the practicality of clamp;

[0018] 2、 this technical scheme through setting up driving rotating mechanism, make can drive the clamping seat located above to rotate to be away from the clamping seat below by driving rotating mechanism, to facilitate the worker to place and take out workpiece, and can effectively reduce the security risk of worker work. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0020] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2The utility model discloses a hydraulic cylinder installation explosion structure schematic view.

[0022] Figure 3 The utility model discloses a triangular block installation explosion structure schematic view.

[0023] Figure 4 The utility model discloses a second magnet installation explosion structure schematic view.

[0024] Figure 5 The utility model discloses a hydraulic motor installation structure schematic view.

[0025] In the drawing: 1, base; 2, bottom plate; 3, rotary connecting piece; 4, rotary seat; 401, extension plate; 402, guide rod; 403, limit block; 5, hydraulic cylinder; 6, mounting seat; 7, change clamping mechanism; 701, clamping seat; 702, triangular block; 703, V-shaped groove; 704, positioning groove; 705, connecting plate; 706, positioning column; 707, first magnet; 708, second magnet; 709, antiskid cushion layer; 710, handle; 8, drive rotary mechanism; 801, hydraulic motor; 802, first gear; 803, second gear. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] In the description of the utility model, it is understood that the terms "surface", "side", "gap", "peripheral side" indicate the orientation or position relation, only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated component or element must have a particular orientation, and be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation to the utility model. Specific embodiment 1

[0029] Reference Figures 1-4A machining center hydraulic tool clamp, comprising a base 1, the top of the base 1 is fixedly connected with two bottom plates 2, the top of the base 1 is fixedly connected with two rotary connecting pieces 3, the top of the rotary connecting piece 3 is fixedly connected with a rotary seat 4, the top of the rotary seat 4 is fixedly installed with a hydraulic cylinder 5, and the telescopic end of the hydraulic cylinder 5 is fixedly connected with a mounting seat 6; a changeable clamping mechanism 7, the changeable clamping mechanism 7 comprises four clamping seats 701 and four triangular blocks 702, the four clamping seats 701 and the four triangular blocks 702 are provided with four, the two clamping seats 701 are a group, the two clamping seats 701 in the same group are fixedly installed on the top of the bottom plate 2 and the bottom of the mounting seat 6 respectively, the opposite sides of the two clamping seats 701 are both provided with V-shaped grooves 703, the opposite sides of the two clamping seats 701 are both provided with two positioning grooves 704, the triangular block 702 is matched and clamped with the V-shaped groove 703, one side of the triangular block 702 is fixedly connected with a connecting plate 705, one side of the connecting plate 705 is fixedly connected with two positioning columns 706, the positioning column 706 is clamped with the positioning groove 704, one side of the clamping seat 701 is fixedly provided with two first magnets 707, one side of the connecting plate 705 is fixedly provided with two second magnets 708, and the second magnet 708 is connected with the first magnet 707 by adsorption; a driving rotation mechanism 8, the driving rotation mechanism 8 is located on the top of the base 1 and the outside of the hydraulic cylinder 5.

[0030] The opposite sides of the two clamping seats 701 in the same group and the opposite sides of the two triangular blocks 702 in the same group are fixedly provided with anti-skid pad layers 709; the anti-skid pad layers 709 are made of rubber material, and the surfaces of the anti-skid pad layers 709 on the surfaces of the clamping seat 701 and the triangular block 702 are flush; one side of the connecting plate 705 away from the clamping seat 701 is fixedly connected with a handle 710, and the handle 710 and the connecting plate 705 are fixedly connected by welding; one side of the rotary seat 4 is fixedly connected with an extension plate 401, the top of the extension plate 401 is fixedly connected with two guide rods 402, the top of the guide rod 402 is movably penetrated through the mounting seat 6, and the top of the guide rod 402 is fixedly connected with a limiting block 403; the size of the positioning column 706 matches the size of the positioning groove 704, and the outer surface of the positioning column 706 is a smooth surface.

[0031] In practical implementation, during operation, the workpiece can be processed according to its actual needs. For example, if the workpiece is a plate, there is no need to change the fixture; the plate workpiece can be placed directly on top of the two lower clamping seats 701, and the bottom of the plate workpiece will also contact the plane of the triangular block 702. At this time, the two hydraulic cylinders 5 can be activated to retract, which, in conjunction with the mounting seat 6, drives the two upper clamping seats 701 to move downward, thus clamping and fixing the plate workpiece securely. If the workpiece is cylindrical, the handle 71 can be gripped. 0. With the connecting plate 705, pull out the triangular blocks 702 inside the four clamping seats 701 to expose the V-grooves 703 inside the clamping seats 701. Then, the cylindrical workpiece can be placed in the V-grooves 703 of the two lower clamping seats 701. Then, start the two hydraulic cylinders 5 to retract them. With the help of the mounting seat 6, the two upper clamping seats 701 will move down, which can clamp and fix the cylindrical workpiece well. There is no need to disassemble the clamping seats 701 for replacement and installation. Changing the fixture is time-saving, labor-saving and highly efficient.

[0032] Among them, the anti-slip pad 709 can increase the friction between the clamping seat 701 and the triangular block 702 and the plate workpiece, thereby improving the clamping and fixing effect on the plate workpiece.

[0033] The anti-slip pads 709 on the surfaces of the clamping base 701 and the triangular block 702 are flush to ensure good clamping and fixing of plate-type workpieces.

[0034] The handle 710 is designed to facilitate the pulling out or inserting of the triangular block 702 in conjunction with the connecting plate 705;

[0035] The guide rod 402 is used to improve the stability of the mounting base 6 when it moves up and down, thereby improving the stability of the clamping base 701 located above. The limit block 403 is used to prevent the guide rod 402 from falling off and separating from the mounting base 6.

[0036] The smooth outer surface of the positioning post 706 is designed to reduce friction between it and the positioning groove 704, thus facilitating the insertion and removal of the positioning post 706. Specific Implementation Example 2:

[0038] Reference Figure 1 and Figure 5 In a preferred embodiment, the drive rotation mechanism 8 includes a hydraulic motor 801, a first gear 802, and a second gear 803. The drive rotation mechanism 8 is provided in two sets. Both hydraulic motors 801 are fixedly installed on the top of the base 1. The first gear 802 is connected to the output end of the hydraulic motor 801. The second gear 803 is fixedly sleeved with the outside of the hydraulic cylinder 5, and the second gear 803 meshes with the first gear 802.

[0039] In the specific implementation process, when placing or taking out the workpiece, the two hydraulic motors 801 can be started first, the first gear 802, the second gear 803 and the rotating connecting piece 3 are matched, the hydraulic cylinder 5 and the rotating seat 4 are driven to rotate, the mounting seat 6 and the clamping seat 701 at the bottom of the mounting seat 6 are driven to rotate, until the mounting seat 6 and the clamping seat 701 at the bottom thereof are away from the clamping seat 701 below, at this time, the workpiece can be conveniently placed on the clamping seat 701 below or taken out, and at the same time, the safety hidden danger can be effectively reduced, and the staff is prevented from being accidentally injured by the accidental driving of the upper clamping seat 701 downward.

[0040] Working principle: in work, according to the actual needs of the workpiece, for example, if the workpiece is a plate workpiece, the clamp does not need to be changed, the plate workpiece can be directly placed on the top of the two clamping seats 701 below, and the bottom of the plate workpiece also contacts the plane of the triangular block 702, at this time, the two hydraulic cylinders 5 can be started to be retracted, the mounting seat 6 is matched, the two upper clamping seats 701 are driven to move downward, the plate workpiece is well clamped and fixed, and if the workpiece is a cylindrical workpiece, the handle 710 can be held, the connecting plate 705 is matched, the triangular block 702 in the four clamping seats 701 is pulled out, the V-shaped groove 703 in the clamping seat 701 is exposed, then the cylindrical workpiece can be placed in the V-shaped groove 703 of the two clamping seats 701 below, then the two hydraulic cylinders 5 are started to be retracted, the mounting seat 6 is matched, the two upper clamping seats 701 are driven to move downward, and the cylindrical workpiece is well clamped and fixed, without disassembling the clamping seat 701 for replacement and installation, the clamp changing operation is time-saving and labor-saving, and the efficiency is higher.

[0041] When placing or taking out the workpiece, the two hydraulic motors 801 can be started first, the first gear 802, the second gear 803 and the rotating connecting piece 3 are matched, the hydraulic cylinder 5 and the rotating seat 4 are driven to rotate, the mounting seat 6 and the clamping seat 701 at the bottom of the mounting seat 6 are driven to rotate, until the mounting seat 6 and the clamping seat 701 at the bottom thereof are away from the clamping seat 701 below, at this time, the workpiece can be conveniently placed on the clamping seat 701 below or taken out, and at the same time, the safety hidden danger can be effectively reduced, and the staff is prevented from being accidentally injured by the accidental driving of the upper clamping seat 701 downward.

[0042] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A machining center hydraulic tooling fixture comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with two bottom plates (2), the top of the base (1) is fixedly connected with two rotating connecting pieces (3), the top of the rotating connecting piece (3) is fixedly connected with a rotating seat (4), the top of the rotating seat (4) is fixedly installed with a hydraulic cylinder (5), and the telescopic end of the hydraulic cylinder (5) is fixedly connected with a mounting seat (6). The alterable clamping mechanism (7) comprises four clamping seats (701) and four triangular blocks (702), two of the clamping seats (701) are arranged as a group, the two clamping seats (701) of the same group are fixedly installed on the top of the bottom plate (2) and the bottom of the mounting seat (6) respectively, V-shaped grooves (703) are formed on the opposite sides of the two clamping seats (701), two positioning grooves (704) are formed on the opposite sides of the two clamping seats (701), the triangular block (702) is matched and clamped with the V-shaped groove (703), one side of the triangular block (702) is fixedly connected with a connecting plate (705), two positioning columns (706) are fixedly connected on one side of the connecting plate (705), the positioning column (706) is clamped with the positioning groove (704), two first magnets (707) are fixedly attached on one side of the clamping seat (701), two second magnets (708) are fixedly attached on one side of the connecting plate (705), and the second magnet (708) is attached with the first magnet (707). The driving rotating mechanism (8) is located on the top of the base (1) and the outside of the hydraulic cylinder (5).

2. The hydraulic fixture of claim 1, wherein: The opposite sides of the two clamping seats (701) of the same group and the opposite sides of the two triangular blocks (702) of the same group are fixedly attached with anti-skid pad layers (709).

3. The hydraulic fixture of claim 2, wherein: The anti-skid pad layer (709) is made of rubber material, and the surfaces of the anti-skid pad layers (709) on the surfaces of the clamping seats (701) and the triangular blocks (702) are flush.

4. The hydraulic fixture of claim 1, wherein: The side of the connecting plate (705) away from the clamping seat (701) is fixedly connected with a handle (710), and the handle (710) and the connecting plate (705) are fixedly connected by welding.

5. The hydraulic fixture of claim 1, wherein: One side of the rotating seat (4) is fixedly connected with an extension plate (401), the top of the extension plate (401) is fixedly connected with two guide rods (402), the top of the guide rod (402) is movably penetrated through the mounting seat (6), and the top of the guide rod (402) is fixedly connected with a limiting block (403).

6. The hydraulic fixture of claim 1, wherein: The size of the positioning column (706) matches the size of the positioning groove (704), and the outer surface of the positioning column (706) is a smooth surface.

7. The hydraulic fixture of claim 1, wherein: The driving rotation mechanism (8) comprises a hydraulic motor (801), a first gear (802) and a second gear (803), two groups of the driving rotation mechanism (8) are provided, the two hydraulic motors (801) are fixedly installed on the top of the base (1), the first gear (802) is connected with the output end of the hydraulic motor (801), the second gear (803) is connected with the outside of the hydraulic cylinder (5), and the second gear (803) is engaged with the first gear (802).

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