Vertical machining center clamp

Abstract

The utility model relates to the technical field of vertical machining centers, in particular to a vertical machining center clamp which comprises a base, a limiting block and a dismounting assembly, the limiting block is installed on the upper surface of the base, an air cylinder is installed on the side surface of the limiting block, a movable clamping block is installed on the upper surface of the base, and the movable clamping block is installed on the lower surface of the base. The driving end of the air cylinder is connected with the side surface of the movable clamping block in a bolted mode, the static clamping block is installed on the upper surface of the base, and the disassembling and assembling assembly is arranged on the side surface of the static clamping block. The dismounting and mounting assembly comprises a limiting unit, the limiting unit comprises a constraint protruding block, the constraint protruding block is fixedly connected with the side surface of the static clamping block, and a mounting cavity is formed in the surface of the constraint protruding block. According to the utility model, through the arrangement of the dismounting assembly, the contact part of the clamp can be replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to vertical machining center technical field especially relates to a vertical machining center clamp. BACKGROUND

[0002] The vertical machining center is a powerful numerical control machine tool, and its machining precision is high, and the manufacturing demand of high-precision parts can be met, for example, in the automobile part manufacturing, the vertical machining center can efficiently machine engine cylinder body, gearbox shell and other parts, and in the die industry, it can accurately carve complex die cavity, and the vertical machining center is usually equipped with an automatic tool changing system, and the tool can be quickly replaced to improve the machining efficiency.

[0003] The prior art such as the utility model discloses a vertical machining center clamp disclosed in the utility model with publication No. CN207564161U, the clamp device is installed on the both ends of the slide rail, the clamp device comprises an adjusting table, a fixed seat, an extrusion die, an adjusting pull rod and a clamp, the adjusting table is installed on the slide rail and is in sliding cooperation, the fixed seat is fixedly installed on the adjusting table, the extrusion die is fixedly installed on the fixed seat, the clamp passes through the extrusion die, the clamp is provided with a clamping groove, and the side wall is provided with an extrusion inclined surface, the side wall of the extrusion die abuts on the extrusion inclined surface of the clamp, one end of the adjusting pull rod is connected with the clamp, the other end passes through the fixed seat and the extrusion die and is in sliding cooperation with the fixed seat and the extrusion die, an adjusting bolt is sleeved on the side, away from the clamp, of the adjusting pull rod, and the adjusting bolt abuts on the side, away from the clamp, of the fixed seat; the clamp is fixed to the workpiece in the mode of extruding the clamp, the operation is more convenient, the existing clamp usually adopts the method of bolt fastening to be fixed, and a plurality of bolts need to be fastened at the same time to ensure the fixation of the workpiece, but in actual operation, the plurality of bolts cannot be operated, the operation is complex, and the plurality of bolts can be fastened and screwed, and the workpiece can be misaligned.

[0004] In the process of assisting the vertical machining center work by means of the clamp, there is the machining center clamp in the prior art, for example, the machining center clamp described above, the clamping structure of which is usually designed in an integral mode, when clamping, the end face of the clamping structure will be in contact with the workpiece for a long time, so that the end face of the clamping structure will be worn, when the end face of the clamping structure is worn and the clamping stability is reduced, the whole clamping structure needs to be replaced by the worker, since only the end face of the clamping structure is worn, when the whole clamping structure is replaced, the maintenance cost of the clamp will be increased. UTILITY MODEL CONTENTS

[0005] The utility model aims at at least solving the shortcomings in the prior art, and provides a vertical machining center clamp.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a vertical machining center clamp, including base, limiting block and dismounting assembly, the limiting block is installed on the upper surface of base, the side surface of limiting block is installed with the cylinder, the upper surface of base is installed with the movable clamp block, the side surface of cylinder's drive end is connected with movable clamp block, the upper surface of base is installed with static clamp block, the dismounting assembly is arranged in the side surface of static clamp block,

[0007] The dismounting assembly includes a limiting unit, the limiting unit includes a restraint protrusion, the restraint protrusion is fixedly connected with the side surface of the static clamp block, a mounting cavity is formed in the surface of the restraint protrusion, a compression spring is fixedly connected to the inner wall of the mounting cavity where the restraint protrusion is located, a pin is slidingly connected to the inner wall of the mounting cavity where the restraint protrusion is located, the compression spring is fixedly connected to the lower surface of the pin, an anti-slip clamp plate is mounted on the surface of the restraint protrusion, a clamping groove is formed in the surface of the anti-slip clamp plate, and the pin is inserted into the clamping groove.

[0008] The dismounting assembly further includes a linkage unit, the linkage unit includes a linkage frame, the linkage frame is fixedly connected to the side surface of the pin, an upper connecting arm is rotatably connected to the inner wall of the linkage frame, a lower connecting arm is rotatably connected to the inner wall of the linkage frame, the surface of the upper connecting arm is sleeved with the surface of the lower connecting arm, a linking rod is rotatably connected to the junction of the upper connecting arm and the lower connecting arm, a U-shaped frame is fixedly connected to the side surface of the linking rod, and a push plate is rotatably connected to the inner wall of the U-shaped frame.

[0009] Preferably, an active cavity is formed in the side surface of the static clamp block, the upper connecting arm is located in the interior of the active cavity, the lower connecting arm is located in the interior of the active cavity, and the linking rod is slidingly connected to the inner wall of the active cavity. The upper connecting arm and the lower connecting arm can move in the active cavity, thereby ensuring that the upper connecting arm and the lower connecting arm can be displaced under the operation of the staff.

[0010] Preferably, a receiving cavity is formed in the surface of the anti-slip clamp plate, the U-shaped frame is inserted into the inner wall of the receiving cavity, and the push plate is located in the interior of the receiving cavity. The push plate and the linking rod can be connected through the U-shaped frame, so that the staff can push the linking rod under the action of the U-shaped frame when pushing the push plate.

[0011] Preferably, the number of restraint protrusions is two, and the two restraint protrusions are symmetrically arranged about the static clamp block. The position of the anti-slip clamp plate can be preliminarily constrained through the restraint protrusions, thereby ensuring the stability of the anti-slip clamp plate during installation.

[0012] Preferably, the number of compression springs is two, the two compression springs are arranged symmetrically about the binding protrusion, the number of the locking pins matches the number of the compression springs, the end of the locking pin is arranged in a chamfered manner, and the position of the locking pin is constrained by the compression spring to ensure the limiting effect of the locking pin in the static state.

[0013] Preferably, the two ends of the upper connecting arm are arranged in an arc shape, the two ends of the lower connecting arm are arranged in an arc shape, and the upper connecting arm and the lower connecting arm are matched to be pulled by the connecting rod to move the locking pins on the upper side and the lower side in cooperation with the linkage frame.

[0014] Preferably, the two ends of the connecting rod are arranged in a cylindrical shape, the upper connecting arms and the lower connecting arms on the left side and the right side are connected by the connecting rod, and the upper connecting arms and the lower connecting arms on the two sides can be displaced synchronously under the operation of the worker.

[0015] Compared with the prior art, the utility model has the advantages and positive effects that:

[0016] In the utility model, when processing, the workpiece is placed in the clamping area formed by the movable clamping block and the static clamping block, the switch of the air cylinder is opened, the air cylinder is electrified and works under the action of the external distribution box, and the movable clamping block is pushed to move; the movable clamping block is clamped with the static clamping block during movement; when the anti-skid clamping plate on the surface of the movable clamping block and the static clamping block is worn and needs to be replaced, the push plate is pushed out from the storage cavity, the push plate is rotated to the same horizontal direction as the U-shaped frame, the push plate is pushed, the push plate pushes the connecting rod in cooperation with the U-shaped frame, the connecting rod pulls the upper connecting arm and the lower connecting arm under the guidance of the movable cavity, the upper connecting arm and the lower connecting arm cooperate with the linkage frame to pull the locking pin, the locking pin is stressed and extruded to compress the spring, the spring is extruded and deformed, the locking pin loses the constraint of the compression spring and slides out of the clamping groove, and the anti-skid clamping plate is limited, and the anti-skid clamping plate can be disassembled and replaced immediately. By arranging the dismounting assembly, the contact part of the clamp can be replaced, thereby reducing the problem that the whole clamp needs to be replaced when the clamping structure of the equipment is replaced, increasing the maintenance cost, and further reducing the maintenance cost of the equipment. ACCURACY OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic diagram of the vertical machining center clamp is provided for the utility model;

[0018] Figure 2 A partial structure schematic diagram of the vertical machining center clamp is provided for the utility model;

[0019] Figure 3 A dismounting assembly structure schematic diagram of the vertical machining center clamp is provided for the utility model;

[0020] Figure 4The utility model provides a vertical machining center clamp's Figure 3 The rear view structure schematic diagram of

[0021] Figure 5 The utility model provides a vertical machining center clamp's partial dismounting subassembly structure schematic diagram.

[0022] Legend:

[0023] 1, base; 2, limiting block; 3, air cylinder; 4, movable clamp block; 5, static clamp block; 6, dismounting subassembly; 61, limiting unit; 611, restraint protruding block; 612, installation cavity; 613, compression spring; 614, bayonet; 615, antiskid clamping plate; 616, clamping groove; 617, movable cavity; 62, linkage unit; 621, linkage frame; 622, upper connecting arm; 623, lower connecting arm; 624, connecting rod; 625, U-shaped frame; 626, push plate; 627, storage cavity. Specific implementation

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a vertical machining center clamp, including base 1, limiting block 2 and dismounting subassembly 6, limiting block 2 installs on the upper surface of base 1, and the side surface of limiting block 2 is installed with air cylinder 3, and the upper surface of base 1 is installed with movable clamp block 4, and the drive end of air cylinder 3 is connected with the side surface of movable clamp block 4, and the upper surface of base 1 is installed with static clamp block 5, and dismounting subassembly 6 is arranged in the side surface of static clamp block 5.

[0025] In the embodiment: dismounting subassembly 6 includes limiting unit 61, limiting unit 61 includes restraint protruding block 611, restraint protruding block 611 is fixedly connected with the side surface of static clamp block 5, and the surface of restraint protruding block 611 is provided with installation cavity 612, and the inner wall of installation cavity 612 is fixedly connected with compression spring 613, and the inner wall of installation cavity 612 is slidably connected with bayonet 614, and compression spring 613 is fixedly connected with the lower surface of bayonet 614, and the surface of restraint protruding block 611 is installed with antiskid clamping plate 615, and the surface of antiskid clamping plate 615 is provided with clamping groove 616, and bayonet 614 is inserted with the inner wall of clamping groove 616;

[0026] Dismounting subassembly 6 also includes linkage unit 62, and linkage unit 62 includes linkage frame 621, and linkage frame 621 is fixedly connected with the side surface of bayonet 614, and the inner wall of linkage frame 621 is rotatably connected with upper connecting arm 622, and the inner wall of linkage frame 621 is rotatably connected with lower connecting arm 623, and the surface of upper connecting arm 622 is sleeved with lower connecting arm 623, and the connecting place of upper connecting arm 622 and lower connecting arm 623 is rotatably connected with connecting rod 624, and the side surface of connecting rod 624 is fixedly connected with U-shaped frame 625, and the inner wall of U-shaped frame 625 is rotatably connected with push plate 626.

[0027] Specifically, the side surface of the static clamp block 5 is provided with a movable cavity 617, the upper connecting arm 622 is located inside the movable cavity 617, the lower connecting arm 623 is located inside the movable cavity 617, and the connecting rod 624 is in sliding connection with the inner wall of the movable cavity 617. Through the movable cavity 617, the upper connecting arm 622 and the lower connecting arm 623 can move, so as to ensure that the upper connecting arm 622 and the lower connecting arm 623 can be displaced under the operation of the staff.

[0028] Specifically, the surface of the anti-skid clamp plate 615 is provided with a receiving cavity 627, the U-shaped frame 625 is inserted with the inner wall of the receiving cavity 627, and the push plate 626 is located inside the receiving cavity 627.

[0029] In this embodiment: the U-shaped frame 625 can connect the push plate 626 and the connecting rod 624, so that when the staff pushes the push plate 626, the connecting rod 624 can be pushed under the action of the U-shaped frame 625.

[0030] Specifically, the number of restraint protrusions 611 is two, and the two restraint protrusions 611 are symmetrically arranged about the static clamp block 5. The position of the anti-skid clamp block can be preliminarily constrained by the restraint protrusions 611, so as to ensure the stability of the anti-skid clamp block during installation.

[0031] In this embodiment: the number of compression springs 613 is two, and the two compression springs 613 are symmetrically arranged about the restraint protrusions 611. The number of the pin 614 matches the number of the compression spring 613, and the end of the pin 614 is chamfered.

[0032] In this embodiment: the position of the pin 614 can be constrained by the compression spring 613, so as to ensure the limiting effect of the pin 614 in the static state.

[0033] Specifically, the two ends of the upper connecting arm 622 are arc-shaped, and the two ends of the lower connecting arm 623 are arc-shaped. Through the cooperation of the upper connecting arm 622 and the lower connecting arm 623, the pin 614 on the upper and lower sides can be moved under the action of the connecting rod.

[0034] Specifically, the two ends of the connecting rod 624 are cylindrical.

[0035] In this embodiment: the upper connecting arm 622 and the lower connecting arm 623 on the left and right sides can be connected by the connecting rod 624, so that the upper connecting arm 622 and the lower connecting arm 623 on the two sides can be displaced synchronously under the operation of the staff.

[0036] Working principle: when processing, the workpiece is placed in the clamping area formed by the moving clamp block 4 and the static clamp block 5, the switch of the air cylinder 3 is opened, the air cylinder 3 is energized under the action of the external distribution box, and the moving clamp block 4 is pushed to move, the moving clamp block 4 is matched with the static clamp block 5 to clamp the workpiece during moving; when the anti-skid clamping plate 615 on the surface of the moving clamp block 4 and the static clamp block 5 is worn and needs to be replaced, the push plate 626 is pushed out from the storage cavity 627, and when the push plate 626 is rotated to the same horizontal direction as the U-shaped frame 625, the push plate 626 is pushed, the push plate 626 cooperates with the U-shaped frame 625 to push the connecting rod 624, the connecting rod 624 is guided in the movable cavity 617, the upper connecting arm 622 and the lower connecting arm 623 are pulled, the upper connecting arm 622 and the lower connecting arm 623 cooperate with the linkage frame 621 to pull the pin 614, the pin 614 is pressed and compressed spring 613, the compressed spring 613 is extruded and deformed, at the same time, the pin 614 loses the restriction of the compressed spring 613 and slides out of the clamping groove 616, and loses the limitation of the anti-skid clamping plate 615, and then the anti-skid clamping plate 615 can be disassembled and replaced. By setting the disassembly assembly 6, the contact part of the clamp can be replaced, thereby reducing the problem that the whole device needs to be replaced when the clamping structure of the equipment is replaced, and the maintenance cost is increased, and the maintenance cost of the equipment is further reduced.

Claims

1. A vertical machining center clamp comprising a base (1), a limit block (2) and a dismounting assembly (6), characterized in that: The limiting block (2) is installed on the upper surface of the base (1), the side surface of the limiting block (2) is provided with a gas cylinder (3), the upper surface of the base (1) is provided with a dynamic clamping block (4), the driving end of the gas cylinder (3) is hinged to the side surface of the dynamic clamping block (4), the upper surface of the base (1) is provided with a static clamping block (5), and the disassembling and assembling assembly (6) is arranged on the side surface of the static clamping block (5). The disassembling and assembling assembly (6) comprises a limiting unit (61), the limiting unit (61) comprises a binding protrusion (611), the binding protrusion (611) is fixedly connected with the side surface of the static clamping block (5), a mounting cavity (612) is formed in the surface of the binding protrusion (611), the inner wall of the mounting cavity (612) is fixedly connected with a compression spring (613), the inner wall of the mounting cavity (612) is slidingly connected with a clamping pin (614), the compression spring (613) is fixedly connected with the lower surface of the clamping pin (614), the surface of the binding protrusion (611) is provided with an anti-skid clamping plate (615), the surface of the anti-skid clamping plate (615) is provided with a clamping groove (616), and the clamping pin (614) is inserted into the inner wall of the clamping groove (616).

2. A vertical machining center clamp according to claim 1, characterized in that: The disassembling and assembling assembly (6) further comprises a linkage unit (62), the linkage unit (62) comprises a linkage frame (621), the linkage frame (621) is fixedly connected with the side surface of the clamping pin (614), the inner wall of the linkage frame (621) is rotatably connected with an upper connecting arm (622), the inner wall of the linkage frame (621) is rotatably connected with a lower connecting arm (623), the surface of the upper connecting arm (622) is sleeved with the lower connecting arm (623), the junction of the upper connecting arm (622) and the lower connecting arm (623) is rotatably connected with a junction rod (624), the side surface of the junction rod (624) is fixedly connected with a U-shaped frame (625), and the inner wall of the U-shaped frame (625) is rotatably connected with a push plate (626).

3. A vertical machining center clamp according to claim 2, characterized in that: The two ends of the upper connecting arm (622) are arc-shaped, and the two ends of the lower connecting arm (623) are arc-shaped.

4. A vertical machining center clamp according to claim 2, characterized in that: The two ends of the junction rod (624) are cylindrical.

5. A vertical machining center clamp according to claim 2, characterized in that: The side surface of the static clamping block (5) is provided with a movable cavity (617), the upper connecting arm (622) is located in the movable cavity (617), the lower connecting arm (623) is located in the movable cavity (617), and the junction rod (624) is slidingly connected with the inner wall of the movable cavity (617).

6. A vertical machining center clamp according to claim 2, characterized in that: The surface of the anti-skid clamping plate (615) is provided with a receiving cavity (627), the U-shaped frame (625) is inserted into the inner wall of the receiving cavity (627), and the push plate (626) is located in the receiving cavity (627).

7. A vertical machining center fixture according to any one of claims 1-5, characterized in that: The number of the binding protrusions (611) is two, and the two binding protrusions (611) are symmetrically arranged about the static clamping block (5).

8. A vertical machining center fixture according to any one of claims 1-5, characterized in that: The number of the compression springs (613) is two, the two compression springs (613) are symmetrically arranged up and down relative to the binding protrusion (611), the number of the bayonets (614) matches the compression springs (613), and the end of the bayonet (614) is arranged in a chamfered manner.

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