CN217413278U

CN217413278U - Hydraulic clamp for automatic use

Info

Publication number: CN217413278U
Application number: CN202221034325.8U
Authority: CN
Inventors: 陈禹章
Original assignee: Guangzhou Zhongguan Automobile Braking System Co ltd
Current assignee: Guangzhou Zhongguan Automobile Braking System Co ltd
Priority date: 2022-04-30
Filing date: 2022-04-30
Publication date: 2022-09-13
Anticipated expiration: 2032-04-30

Abstract

The utility model relates to the technical field of automatic machining, and discloses a hydraulic fixture for automatic use, which comprises a fixture main board and a fixed stop block, wherein the fixed stop block is arranged on the upper surface of one side of the fixture main board, the fixed stop block is in threaded locking connection with the fixture main board through a first bolt, and the other side of the upper surface of the fixture main board is provided with a pushing unit; the pushing unit comprises a linear oil hydraulic cylinder and a bottom plate, the bottom plate is arranged on one side, away from the fixed stop block, of the upper surface of the fixture main plate, the bottom plate is in threaded locking connection with the fixture main plate through a second bolt, and the linear oil hydraulic cylinder is in threaded locking connection with the bottom plate through a third bolt. The utility model discloses can press from both sides tightly fast, improve machining efficiency, can provide accurate thrust, have the cutting vibration can not appear not hard up phenomenon yet in the course of working, and the tight power reliability is higher, can cooperate the use of automatic clamping system of processing.

Description

Hydraulic clamp for automatic use

Technical Field

The utility model relates to an automatic change the machinery processing technology field, especially relate to a hydraulically operated fixture who automizes and use.

Background

At present, a parallel jaw vice for clamping a workpiece, which is frequently used by a CNC machining center machine tool, is a pressing block, a clamping block and the like, and all traditional clamps need to generate thrust to clamp by depending on a manual rotating screw rod, a certain time is needed during clamping, the generated thrust is inaccurate, phenomena such as untightening of the workpiece clamp or deformation of the workpiece clamp can be caused, and the production efficiency and the quality of the clamps can be influenced. When a wrench is used for rotating a screw rod of a clamp, the phenomenon of hand slip can also occur, and potential safety hazards can be caused. The manual clamp cannot be used in cooperation with an automatic clamping and machining system.

Therefore, a hydraulic clamp capable of accurately controlling the thrust and rapidly clamping is urgently needed. The hydraulic station provides adjustable accurate pressure, so that the clamp obtains accurate thrust. The oil pressure electromagnetic switching valve switch can be matched with an automatic clamping processing system for use, and a manual button switch can be used for controlling the oil pressure electromagnetic switching valve to control oil circuit switching to realize quick clamping or loosening.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art parallel jaw vice, the briquetting, the clamp splice, and so on traditional anchor clamps all need rely on the manual rotation hob to produce thrust and press from both sides tightly, need the dead time during the clamping, the thrust that produces is inaccurate, can lead to the work piece to press from both sides phenomenon such as untightening or pressing from both sides deformation, can influence our production efficiency and quality, still can have the phenomenon that the hand skidded when we use the rotatory anchor clamps hob of spanner, can arouse safe hidden danger, manual anchor clamps can not cooperate the problem that automatic clamping system of processing used, and the hydraulic fixture who uses of an automation of proposing.

In order to realize the purpose, the utility model adopts the following technical scheme:

a hydraulic clamp used automatically comprises a clamp main plate and a fixed stop block, wherein the fixed stop block is arranged on the upper surface of one side of the clamp main plate, the fixed stop block is in threaded locking connection with the clamp main plate through a first bolt, and a pushing unit is arranged on the other side of the upper surface of the clamp main plate;

the pushing unit comprises a linear oil hydraulic cylinder and a bottom plate, the bottom plate is arranged on one side, away from a fixed stop block, of the upper surface of a fixture main plate, the bottom plate is in threaded locking connection with the fixture main plate through a second bolt, the linear oil hydraulic cylinder is in threaded locking connection with the bottom plate through a third bolt, the upper surface of the bottom plate is located on one side, close to the fixed stop block, of the linear oil hydraulic cylinder, two guide rails are fixedly arranged on one side of the fixed block, a sliding block is arranged on the upper side of each guide rail, the sliding block is in sliding limiting connection with the two guide rails, a jaw is fixedly arranged on one side, close to the fixed stop block, of each sliding block through a fourth bolt, a piston rod of the linear oil hydraulic cylinder is connected with the sliding block in a clamping mode through a hook, and a workpiece is arranged between the jaw and the fixed stop block.

Preferably, an oil supply block is fixedly arranged on the upper surface of the bottom plate, an oil way is formed in the bottom plate, and the oil supply block and the built-in oil way of the bottom plate are in sealed communication with an oil way of the linear oil hydraulic cylinder.

Preferably, the outside of oil feed piece is provided with high-pressure soft oil pipe, the fixed and intercommunication setting of fuel feeding mouth of high-pressure soft oil pipe's one end and oil feed piece, the outside one end external hydraulic pressure station that is equipped with oil pressure electromagnetic switch valve of high-pressure soft oil pipe.

Preferably, the upper surface of the clamp main board is provided with a T-shaped groove, the cross section of the bottom plate is T-shaped, and the bottom plate is connected with the T-shaped groove in an inserting mode.

Preferably, both ends of the two sides of the bottom plate are provided with a pressing buckle, and the pressing buckles are in threaded locking connection with the clamp main plate through fourth bolts.

Preferably, the jaw is made of wear-resistant steel materials.

Compared with the prior art, the utility model provides an automatic change hydraulically operated fixture who uses possesses following beneficial effect:

this automatic hydraulic fixture who uses, unit through each part is all installed fixedly to the anchor clamps mainboard, according to the part shape condition of difference, it all can very reliable clamping to be equipped with different keeping silent and fixed dog, different work piece centre gripping scope, it all can be on the anchor clamps mainboard all around the suitable position reuse of removal to press the knot fixed to push up the unit, convenient operation is swift, high use efficiency, oil pressure electromagnetism diverter valve switch can cooperate automatic clamping system to use, also can control oil pressure electromagnetism diverter valve with manual button switch, it realizes the quick clamping or unclamps to control the oil circuit to switch, moreover, the steam generator is simple in operation, clamping-force thrust can be adjusted between dozens of kilograms to thousands of kilograms, therefore, the universality is strong, the clamping-force is reliable and stable, and reliable

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can the quick clamp tightly, improve machining efficiency, can provide accurate thrust, have the cutting vibration can not appear not hard up phenomenon yet in the course of working, and tight power reliability is higher, can cooperate the use of automatic clamping system of processing.

Drawings

FIG. 1 is a schematic view of a conventional parallel vise structure;

FIG. 2 is a schematic view of an automated hydraulic clamp installation of the present application;

fig. 3 is a schematic view of a tightening unit of the present application.

In the figure: the clamp comprises a clamp main board 1, a fixed stop block 2, a pushing unit 3, a pressing buckle 4, a high-pressure soft oil pipe 5, a workpiece 6, a linear oil hydraulic cylinder 7, a sliding block 8, a jaw 9, a fixed block 10, a bottom plate 11, a guide rail 12 and an oil supply block 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 2-3, an automatically used hydraulic clamp comprises a clamp main plate 1 and a fixed stop block 2, wherein the fixed stop block 2 is arranged on the upper surface of one side of the clamp main plate 1, the fixed stop block 2 is in threaded locking connection with the clamp main plate 1 through a first bolt, and a pushing unit 3 is arranged on the other side of the upper surface of the clamp main plate 1;

the pushing unit 3 comprises a linear oil hydraulic cylinder 7 and a bottom plate 11, the bottom plate 11 is arranged on one side, away from the fixed stop block 2, of the upper surface of the fixture main plate 1, the bottom plate 11 is in threaded locking connection with the fixture main plate 1 through a second bolt, the linear oil hydraulic cylinder 7 is in threaded locking connection with the bottom plate 11 through a third bolt, a fixed block 10 is fixedly arranged on one side, close to the fixed stop block 2, of the linear oil hydraulic cylinder 7 on the upper surface of the bottom plate 11, two guide rails 12 are fixedly arranged on one side of the fixed block 10, a sliding block 8 is arranged on the upper sides of the two guide rails 12, the sliding block 8 is in equal sliding limiting connection with the two guide rails 12, a jaw 9 is fixedly arranged on one side, close to the fixed stop block 2, of the sliding block 8 through a fourth bolt, a piston rod of the linear oil hydraulic cylinder 7 is clamped with the sliding block 8 through a hook, and a workpiece 6 is arranged between the jaw 9 and the fixed stop block 2.

The upper surface of the bottom plate 11 is fixedly provided with an oil supply block 13, an oil way is arranged inside the bottom plate 11, and the oil supply block 13 and the built-in oil way of the bottom plate 11 are communicated with the oil way of the linear oil hydraulic cylinder 7 in a sealing manner.

The outside of the oil supply block 13 is provided with a high-pressure soft oil pipe 5, one end of the high-pressure soft oil pipe 5 is fixed with and communicated with an oil supply port of the oil supply block 13, and one end of the outside of the high-pressure soft oil pipe 5 is externally connected with a hydraulic station provided with an oil pressure electromagnetic switching valve.

T type groove has been seted up to anchor clamps mainboard 1 upper surface, and the cross section of bottom plate 11 is the T type, and bottom plate 11 pegs graft with T type groove for bottom plate 11 is more firm with anchor clamps mainboard 1 connection.

Both sides both ends of bottom plate 11 are provided with all to press and detain 4, and a plurality of pressure are detained 4 and are all connected through fifth bolt and 1 screw thread locking of anchor clamps mainboard for bottom plate 11 is more firm with 1 connections of anchor clamps mainboard.

The jaw 9 is made of wear-resistant steel materials, so that the service life of the jaw 9 is prolonged.

In the utility model, when in use, the fixed stop block 2 is firstly fixed on the clamp mainboard 1 by bolts and positioning pins to ensure firmness and accuracy, then the clamp mainboard 1 is locked on the T-groove workbench of the machine tool by bolts, in order to ensure positioning accuracy, when in installation, the percent correction is within 0.01mm of being parallel or vertical to the machine tool, then four pressing buckles 4 are used for fixing the pushing unit on the clamp mainboard, the linear oil hydraulic cylinder 7 is locked on the bottom plate 11 by bolts to provide thrust, two guide rails 12 and a fixed block 10 are accurately fixed on the bottom plate 11 by bolts and positioning pins to ensure that the slide block 8 can smoothly slide back and forth, the jaw 9 is directly arranged on the slide block 8, the piston rod of the linear oil hydraulic cylinder 7 is connected with the slide block 8 by hooks, the built-in oil passages of the oil supply block 13 and the bottom plate 11 are hermetically communicated with the oil passage of the linear oil hydraulic cylinder 7, the high-pressure soft oil pipe 5 is connected with the oil supply block 13 and the hydraulic station, the hydraulic pressure station provides the activity of pressure promotion straight line oil hydraulic cylinder 7 piston rod, when hydraulic pressure station opened the control oil pressure electromagnetic switch valve switch and switched to the oil feed, oil pressure promotion straight line oil hydraulic cylinder 7 piston rod forward, slider 8 presss from both sides tightly work piece 6 with keeping silent 9 along with forward, pressure through the adjustment hydraulic pressure station can obtain accurate thrust clamping force, switch to when moving back the oil when oil pressure electromagnetic switch valve, just can loosen fast, oil pressure promotes straight line oil hydraulic cylinder 7 piston diameter 63, maximum operating pressure 140Kg/cm2, maximum thrust can reach 3 tons, anchor clamps thrust adjustable range 20KG is to between the 3000 KG.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The hydraulic clamp used automatically comprises a clamp main plate (1) and a fixed stop block (2), and is characterized in that the fixed stop block (2) is arranged on the upper surface of one side of the clamp main plate (1), the fixed stop block (2) is in threaded locking connection with the clamp main plate (1) through a first bolt, and a pushing unit (3) is arranged on the other side of the upper surface of the clamp main plate (1);

the pushing unit (3) comprises a linear oil hydraulic cylinder (7) and a bottom plate (11), the bottom plate (11) is arranged on one side, away from the fixed stop block (2), of the upper surface of the clamp main plate (1), the bottom plate (11) is in threaded locking connection with the clamp main plate (1) through a second bolt, the linear oil hydraulic cylinder (7) is in threaded locking connection with the bottom plate (11) through a third bolt, a fixed block (10) is fixedly arranged on one side, close to the fixed stop block (2), of the linear oil hydraulic cylinder (7) on the upper surface of the bottom plate (11), two guide rails (12) are fixedly arranged on one side of the fixed block (10), a sliding block (8) is arranged on the upper sides of the two guide rails (12), the sliding block (8) is in limited connection with the two guide rails (12) in a sliding mode, a jaw (9) is fixedly arranged on one side, close to the fixed stop block (2), of the sliding block (8) through a fourth bolt, the piston rod of the linear oil hydraulic cylinder (7) is connected with the sliding block (8) in a clamping mode through a hook, and a workpiece (6) is arranged between the jaw (9) and the fixed stop block (2).

2. The hydraulic clamp for automatic use according to claim 1, wherein an oil supply block (13) is fixedly arranged on the upper surface of the bottom plate (11), an oil passage is formed in the bottom plate (11), and the oil passages of the oil supply block (13) and the bottom plate (11) are in sealed communication with the oil passage of the linear oil hydraulic cylinder (7).

3. The hydraulic clamp for automatic use according to claim 2, wherein a high-pressure soft oil pipe (5) is arranged outside the oil supply block (13), one end of the high-pressure soft oil pipe (5) is fixed and communicated with an oil supply port of the oil supply block (13), and a hydraulic station equipped with an oil pressure electromagnetic switching valve is externally connected to one end of the outside of the high-pressure soft oil pipe (5).

4. The hydraulic clamp for automatic use according to claim 1, wherein a T-shaped groove is formed in the upper surface of the clamp main plate (1), the cross section of the bottom plate (11) is T-shaped, and the bottom plate (11) is inserted into the T-shaped groove.

5. The hydraulic clamp for automatic use according to claim 1, wherein two ends of the bottom plate (11) are provided with press buttons (4), and the press buttons (4) are in threaded locking connection with the clamp main plate (1) through fifth bolts.

6. An automated hydraulic clamp according to claim 1, wherein the jaws (9) are made of a wear-resistant steel material.