CN212371928U - Electromagnetic centerless fixture structure - Google Patents

Electromagnetic centerless fixture structure Download PDF

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Publication number
CN212371928U
CN212371928U CN202020100522.XU CN202020100522U CN212371928U CN 212371928 U CN212371928 U CN 212371928U CN 202020100522 U CN202020100522 U CN 202020100522U CN 212371928 U CN212371928 U CN 212371928U
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CN
China
Prior art keywords
supporting
head
support
anchor clamps
bottom plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020100522.XU
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Chinese (zh)
Inventor
张毅
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Wuxi Yibiao Machinery Manufacturing Co ltd
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Wuxi Yibiao Machinery Manufacturing Co ltd
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Priority to CN202020100522.XU priority Critical patent/CN212371928U/en
Application granted granted Critical
Publication of CN212371928U publication Critical patent/CN212371928U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses an electromagnetism centerless anchor clamps structure, concretely relates to circle mill field, including the anchor clamps bottom plate, the sealing ring, coil panel and magnetic disk, anchor clamps bottom plate surface is equipped with a plurality of supporting seats, the surface mounting of supporting seat has the supporting shoe, the internally mounted of supporting shoe has the support arm, the spout has been seted up on the surface of anchor clamps bottom plate, clamping screw's tip and the inside sliding connection of spout, the tip of support arm is rotated and is connected with elastic support spare, elastic support spare includes the holding head, the butt piece is located the concave surface side of holding head and rotates with the arc concave surface of holding head to be connected. The utility model discloses a set up novel elastic support spare, utilize electromagnetic drive's two elastic support spare to carry out the butt centre gripping to the work piece, elastic support spare and work piece butt department mainly with elastic gasket contact can with the laminating of workpiece surface elasticity, avoid traditional rigid support to cause the damage to workpiece surface, prevent to scrape colored workpiece surface or cause the work piece to warp, improve product quality.

Description

Electromagnetic centerless fixture structure
Technical Field
The utility model relates to a circle mill technical field, more specifically says, the utility model discloses specifically be electromagnetism centerless anchor clamps structure.
Background
At present, a mechanical three-jaw self-centering manual clamp is generally adopted for clamping a workpiece by a grinding machine, and the grinding machine has the defects of low workpiece clamping speed, low efficiency, large workpiece deformation, difficult control of clamping force and the like; later, electromagnetic clamps appeared, but the electromagnetic clamps have the defects of complex structure, infirm positioning of workpieces, inconvenience in adjustment and replacement and the like, and are easy to leak water to cause short circuit of equipment.
In order to solve the above problems, the patent of patent application publication No. CN209239806U discloses an electromagnetic centerless fixture, refer to the attached drawing 5 of the specification, and the application has the advantages of simple structure and convenient use, and the sealing ring and the waterproof sleeve improve the waterproof performance of the coil panel, thereby avoiding the occurrence of short circuit of the equipment due to water leakage.
However, the above technical solutions still have many disadvantages in practical use: because the floating supporting head of the electromagnetic centerless fixture is abutted against the workpiece in a rigid abutting mode, when large thin-wall parts are machined, the parts are easy to deform due to the rigid abutting force, high-precision grinding of the parts cannot be realized, and some circular or annular objects cannot be clamped and fixed, so that the circular or annular objects are easy to slip off to cause safety accidents, so that the fixture has certain defects;
therefore, it is desirable to provide an electromagnetic centerless clamp structure that can clamp various shapes without damaging the surface of the object.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects of the prior art, the embodiment of the utility model provides an electromagnetic centerless clamp structure, through setting up the novel elastic supporting part, utilize the double-elastic supporting part of electromagnetic drive to carry out butt centre gripping to the work piece, the elastic supporting part mainly contacts with the work piece butt with the elastic gasket and can be attached to the surface elasticity of the work piece, avoid the traditional rigid support to cause the damage to the surface of the work piece, prevent scratching the surface of the work piece or cause the work piece to deform, improve the product quality; additionally, the utility model discloses an at the inside rotatable butt piece that sets up of elastic support spare, cooperate the inboard arc structure of elastic support spare for this supporter can centre gripping some circular or annular work pieces, carries out various shape work piece centre gripping, and cooperates rotatable butt piece can form stronger clamping-force with the object surface, and along with the work of grinding machine centre gripping is more fastened under the effect of centrifugal force, prevents that the work piece from dropping, improves the stability of this anchor clamps, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the electromagnetic centerless clamp structure comprises a clamp bottom plate, a sealing ring, a coil disc and a magnetic disc, wherein a fixing screw is arranged on one side of the coil disc on the surface of the clamp bottom plate and is fixedly provided with a plurality of supporting seats through the fixing screw, the surface of the supporting seat is fixedly provided with a supporting block, the inside of the supporting block is provided with a supporting arm in a sliding way, a magnetic separation disc is arranged between the sealing ring and the magnetic disc, the magnetic disc conducts magnetism through a magnetic pole in the centerless clamp, one side of the coil panel is provided with an electrical appliance casing pipe, the surface of the electrical appliance casing pipe is fixedly sleeved with a waterproof sleeve, the surface of the clamp bottom plate is provided with a sliding chute, the end part of the fixed screw rod is connected with the inside of the sliding chute in a sliding way, the end part of the supporting arm is rotationally connected with an elastic supporting part which comprises a supporting head and an abutting part, the other side of the supporting head is of an arc-shaped concave surface structure, and the abutting piece is positioned on the concave surface side of the supporting head and is rotationally connected with the arc-shaped concave surface of the supporting head.
In a preferred embodiment, a threaded hole is opened in a side surface of the supporting block and a matching adjusting screw is provided, an end of the adjusting screw abuts against a surface of the supporting arm, and a position of the inner side of the clamp bottom plate corresponds to a position of the supporting block.
In a preferred embodiment, the number of the supporting seats is two, the two supporting seats have the same structural shape, and the two supporting seats are longitudinally and transversely arranged on the surface of the bottom plate of the clamp.
In a preferred embodiment, a rotating part is fixedly mounted on the other side of the arc-shaped concave surface of the supporting head, the elastic supporting part is rotatably connected with the end part of the supporting arm through the rotating part, and a rotating damper is arranged at the joint of the rotating part and the supporting arm.
In a preferred embodiment, the abutting pieces are symmetrically distributed on one side of the arc-shaped concave surface of the supporting head, a torsion spring is arranged at the twisted connection position of the abutting pieces and the supporting head, and the torsion direction of the torsion spring is in a counterclockwise direction.
In a preferred embodiment, the arc-shaped concave surface of the supporting head and the end surface of the abutting piece are fixedly attached with an abutting pad, and the abutting pad is a silicone member.
In a preferred embodiment, the elastic supports connected to the two supporting seats have the same size and shape, and the supporting head has a one-third arc shape.
The utility model discloses a technological effect and advantage:
1. the utility model adopts the novel elastic supporting part to clamp the workpiece by using the double-elastic supporting part driven by electromagnetism, the elastic supporting part is contacted with the workpiece by the elastic gasket to be elastically jointed with the surface of the workpiece, the damage to the surface of the workpiece caused by the traditional rigid supporting is avoided, the surface of the workpiece is prevented from being scratched or the workpiece is prevented from deforming, and the product quality is improved;
2. the utility model discloses an at the inside rotatable butt piece that sets up of elastic support spare, cooperate the inboard arc structure of elastic support spare for this supporter can centre gripping some circular or annular work pieces, carries out various shape work piece centre grippings, and cooperates rotatable butt piece can form stronger clamping-force with the object surface, and along with the work of grinding machine centre gripping is more fastened under the effect of centrifugal force, prevents that the work piece from dropping, improves the stability of this anchor clamps.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of xx structure of the present invention.
Fig. 3 is a schematic view of the xx structure of the present invention.
Fig. 4 is a schematic view of the working principle structure of the present invention.
Fig. 5 is a schematic diagram of a comparison file structure of the present invention.
The reference signs are: 1. a clamp base plate; 2. a seal ring; 3. isolating a magnetic disc; 4. a centerless clamp; 5. a supporting seat; 6. a support block; 7. an electrical appliance bushing; 8. a waterproof jacket; 9. an elastic support member; 10. a support arm; 11. adjusting the screw rod; 12. fixing the screw rod; 13. a chute; 91. a support head; 92. abutting the pad; 93. A rotating part; 94. an abutting member; 95. a torsion spring.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The electromagnetic coreless clamp structure shown in fig. 1-3 comprises a clamp base plate 1, a sealing ring 2, a coil disc and a magnetic disc, wherein a fixing screw 12 is arranged on one side of the coil disc on the surface of the clamp base plate 1, a plurality of supporting seats 5 are fixedly arranged on the fixing screw 12, supporting blocks 6 are fixedly arranged on the surfaces of the supporting seats 5, supporting arms 10 are slidably arranged inside the supporting blocks 6, a magnetic separation disc 3 is arranged between the sealing ring 2 and the magnetic disc, the magnetic disc is magnetically conducted through a magnetic pole in the coreless clamp 4, an electrical appliance casing 7 is arranged on one side of the coil disc, a waterproof sleeve 8 is fixedly sleeved on the surface of the electrical appliance casing 7, a sliding groove 13 is formed in the surface of the clamp base plate 1, the end part of the fixing screw 12 is slidably connected with the inside of the sliding groove 13, an elastic supporting member 9 is rotatably connected to the end part of the supporting, the abutment member 94 is located on the concave side of the head 91 and is rotatably connected to the curved concave surface of the head 91.
Wherein, the side of supporting shoe 6 is seted up threaded hole and is provided with the adjusting screw 11 of looks adaptation, and the tip of adjusting screw 11 and the surface of support arm 10 are mutually supported, and the inboard of anchor clamps bottom plate 1 corresponds with the position of supporting shoe 6.
The implementation mode is specifically as follows: by arranging the novel elastic supporting piece 9, the workpiece is abutted and clamped by using the double-elastic supporting piece driven by electromagnetism, and the abutted part of the elastic supporting piece 9 and the workpiece is mainly contacted with an elastic gasket and can be elastically attached to the surface of the workpiece, so that the damage of the traditional rigid supporting to the surface of the workpiece is avoided, the surface of the workpiece is prevented from being scratched or deformed, and the product quality is improved; additionally, the utility model discloses an at the inside rotatable butt 94 that sets up of elastic support 9, cooperate the inboard arc structure of elastic support 9 for this supporter can centre gripping some circular or annular work pieces, carries out various shape work piece centre gripping, and cooperates rotatable butt 94 can form stronger clamping-force with the object surface, and along with the work of grinding machine centre gripping is more fastened under the effect of centrifugal force, prevents that the work piece from dropping, improves the stability of this anchor clamps.
Wherein, the quantity of supporting seat 5 is two, and two supporting seats 5's structural shape is the same, and two supporting seats 5 are vertical and horizontal arrangement in the surface of anchor clamps bottom plate 1, utilize two supporting seats 5 to form vertical and horizontal clamping-force.
Wherein, the opposite side fixed mounting of the concave surface of arc of supporting head 91 has rotation portion 93, and elastic support 9 rotates with the tip of support arm 10 through rotation portion 93 and is connected, and the junction of rotation portion 93 and support arm 10 is equipped with the rotational damping for supporting head 91 can be laminated with the work piece according to work piece shape redirecting mutually.
Wherein, the butt 94 symmetry formula distributes and the one side of supporting head 91 arc concave surface, and the transposition junction of butt 94 and supporting head 91 is equipped with torsion spring 95, and torsion spring 95's torsion direction is anticlockwise, and rotatable butt 94 can form stronger clamping-force with the object surface, and the centre gripping is more firm under the effect of centrifugal force along with the work of grinding machine.
Wherein, the arc concave surface of the supporting head 91 and the end face of the abutting part 94 are fixedly adhered with an abutting pad 92, the abutting pad 92 is a silica gel member, the supporting head 91 and the workpiece abutting part mainly contact with the elastic abutting pad 92 and can be elastically adhered to the surface of the workpiece, and the damage of the traditional rigid supporting to the surface of the workpiece is avoided.
The elastic supporting parts 9 connected with the two supporting seats 5 are the same in size and shape, the supporting head 91 is in a one-third arc shape, and the mutual interference of the two elastic supporting parts 9 is prevented on the basis of increasing the contact area with a workpiece.
The utility model discloses the theory of operation:
referring to the attached figure 4 of the specification, firstly, a workpiece is placed in the middle of a clamp bottom plate 1, a power supply is turned on, the supporting arm 10 is driven by an electromagnetic assembly to clamp the workpiece by using elastic supporting members 9 at two ends, the abutting member 94 contacts with the workpiece when the clamping is started, the abutting member 94 rotates according to the joint with the surface of the workpiece along with the continuous clamping, the joint degree is kept unchanged, finally, the workpiece abuts against the surface of the abutting pad 92 to finish the clamping, then, when a grinding machine works, the workpiece further enters the inner side of a supporting head 91 along with the work of the grinding machine under the action of centrifugal force, the abutting member 94 is tightly jointed with the surface of the workpiece and clamped and fastened to prevent the workpiece from falling, the abutting part of the elastic supporting member 9 and the workpiece mainly contacts with an elastic gasket to be elastically jointed with the surface of the workpiece, the damage to the surface of the workpiece, the product quality is improved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. Electromagnetism centerless anchor clamps structure, including anchor clamps bottom plate (1), sealing ring (2), coil panel and disk, anchor clamps bottom plate (1) surface is located coil panel one side and is equipped with clamping screw (12) and has a plurality of supporting seats (5) through clamping screw (12) fixed mounting, the fixed surface of supporting seat (5) installs supporting shoe (6), the inside slidable mounting of supporting shoe (6) has support arm (10), be equipped with between sealing ring (2) and the disk and separate disk (3), the magnetic pole magnetic conduction in the disk passes through centerless anchor clamps (4), its characterized in that: coil panel one side is equipped with electrical apparatus sleeve pipe (7), the fixed cover in surface of electrical apparatus sleeve pipe (7) has connect waterproof cover (8), spout (13) have been seted up on the surface of anchor clamps bottom plate (1), the inside sliding connection of tip and spout (13) of clamping screw (12), the tip of support arm (10) is rotated and is connected with elastic support piece (9), elastic support piece (9) are including supporting head (91), butt piece (94), the opposite side of supporting head (91) is arc concave surface structure, butt piece (94) are located the concave surface side of supporting head (91) and rotate with the arc concave surface of supporting head (91) and are connected.
2. The electromagnetic centerless clamp structure of claim 1, wherein: the side of the supporting block (6) is provided with a threaded hole and an adjusting screw (11) matched with the threaded hole, the end part of the adjusting screw (11) is abutted against the surface of the supporting arm (10), and the inner side of the clamp bottom plate (1) corresponds to the position of the supporting block (6).
3. The electromagnetic centerless clamp structure of claim 1, wherein: the number of the supporting seats (5) is two, the structural shapes of the two supporting seats (5) are the same, and the two supporting seats (5) are longitudinally and transversely arranged on the surface of the clamp bottom plate (1).
4. The electromagnetic centerless clamp structure of claim 1, wherein: the other side fixed mounting of supporting head (91) arc concave surface has rotation portion (93), elastic support piece (9) are connected through the tip rotation of rotation portion (93) and support arm (10), the junction of rotation portion (93) and support arm (10) is equipped with the rotational damping.
5. The electromagnetic centerless clamp structure of claim 1, wherein: the support head (91) is provided with a support head (94), the support head (91) is provided with an arc concave surface, the support head (91) is provided with a support piece (94), the support piece is provided with a support head (91), and the support head is provided with a support head (91) which is provided with a support head which is.
6. The electromagnetic centerless clamp structure of claim 1, wherein: an abutting pad (92) is fixedly attached to the arc-shaped concave surface of the supporting head (91) and the end surface of the abutting piece (94), and the abutting pad (92) is a silica gel component.
7. The electromagnetic centerless clamp structure of claim 1, wherein: the elastic supporting pieces (9) connected with the two supporting seats (5) are the same in size and shape, and the supporting head (91) is in a one-third arc shape.
CN202020100522.XU 2020-01-17 2020-01-17 Electromagnetic centerless fixture structure Expired - Fee Related CN212371928U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020100522.XU CN212371928U (en) 2020-01-17 2020-01-17 Electromagnetic centerless fixture structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020100522.XU CN212371928U (en) 2020-01-17 2020-01-17 Electromagnetic centerless fixture structure

Publications (1)

Publication Number Publication Date
CN212371928U true CN212371928U (en) 2021-01-19

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Application Number Title Priority Date Filing Date
CN202020100522.XU Expired - Fee Related CN212371928U (en) 2020-01-17 2020-01-17 Electromagnetic centerless fixture structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115365372A (en) * 2022-09-14 2022-11-22 佳优建筑工程装饰(枣庄)有限公司 Automatic punching device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115365372A (en) * 2022-09-14 2022-11-22 佳优建筑工程装饰(枣庄)有限公司 Automatic punching device

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Granted publication date: 20210119