Electromagnetic chuck structure

Abstract

The utility model relates to the technical field of oxygen filling automatic production, in particular to an electromagnetic chuck structure which comprises a chuck base, an oxygen bottle body and a supporting plate, the supporting plate is fixedly installed at the top end of the chuck base, and an electromagnetic chuck arc-shaped workpiece fixing structure is arranged on the inner side of the chuck base. The top end of the supporting plate is provided with a suction cup butt joint installation structure. According to the electromagnetic chuck structure, after a first electromagnet and a second electromagnet are powered on and started, the arc-shaped first electromagnet and the arc-shaped second electromagnet at the lower ends of the two sides can be attached to the arc shape of an oxygen bottle body through arc surfaces, then magnetic attraction force is generated for adsorption and fixation, and after fixation, side edge hooking claws on the two sides can pop out under the elastic force effect of rebounding of elastic blocks; the electromagnetic chuck structure can clamp the side edge of an oxygen bottle body to achieve the auxiliary supporting and positioning effect, in this way, the electromagnets arranged on the cambered surface can better achieve fixed clamping of arc-shaped oxygen bottles and other workpieces, and the adsorption effect of the electromagnetic chuck structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen filling automatic production technical field, concretely is a kind of electromagnetic chuck structure. BACKGROUND

[0002] Electromagnetic chuck is a kind of clamp that workpiece is attracted by the attraction of electromagnetic chuck body after the energization of electromagnetic coil, and the workpiece is removed by the demagnetization of magnetic force after the de-energization of coil.It is generally composed of core, coil, panel and support, among which the electromagnet composed of coil and core is the main part of electromagnetic chuck.

[0003] For example, the authorized announcement No. "CN210189573U" is named a kind of electromagnetic chuck structure, electromagnetic chuck structure adopts double electromagnet opposite polarity to adsorb workpiece, so that workpiece center position can only be located on the center line of two electromagnets, avoid the situation that workpiece is attracted to skew, and more stable, existing electromagnetic chuck structure, since the double electromagnetic chuck of plane is used to adsorb and fix workpiece, but oxygen cylinder needs to be positioned and fixed when using electromagnetic chuck normally, and the overall structure of oxygen cylinder and other facilities is cylindrical, even the side is also smooth and has curvature shape, so that the arc oxygen cylinder and the plane electromagnetic chuck only contact with small point tangent, so that the fixation of arc workpiece by electromagnetic chuck is extremely unstable, and it is very easy to appear adsorption unstable and fall, seriously affect the adsorption effect of electromagnetic chuck structure. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem of poor adsorption effect of electromagnetic chuck structure, and provides an electromagnetic chuck structure.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Design a kind of electromagnetic chuck structure, including chuck base, oxygen cylinder body and support plate, the support plate is fixedly installed at the top of chuck base, the inner side of chuck base is equipped with electromagnetic chuck arc workpiece fixing structure, the top of support plate is equipped with chuck butt joint installation structure, the oxygen cylinder body is movably connected below chuck base.

[0007] Preferably, the electromagnetic chuck arc workpiece fixing structure includes vertical sliding slot and limiting baffle, two vertical sliding slots are fixedly arranged on the lower end of chuck base, two side edge hooks are slidably connected to the inner side of two vertical sliding slots, two limiting baffles are fixedly installed on the outer wall of chuck base, two side edge hooks are fixedly installed on the top of two limiting baffles, and two elastic blocks are fixedly installed on the inner side of chuck base.

[0008] Preferably, the sidewalls of the two side hooks are slidably connected to the inner side of the limiting baffle, and the inner sides of the two side hooks are movably connected to the side of the oxygen cylinder body.

[0009] Preferably, a first electromagnet is fixedly connected to one side of the lower end of the suction cup base, and a second electromagnet is fixedly connected to the other side of the lower end of the suction cup base. The bottom ends of the first electromagnet and the second electromagnet are movably connected to the top of the outer wall of the oxygen cylinder body.

[0010] Preferably, the suction cup docking installation structure includes welding plates and connecting arms. Two welding plates are fixedly installed on the top of the support plate. Protrusions are fixedly installed on the inner sides of the two welding plates. Screws are threadedly connected to the inner sides of the two welding plates. Nuts are threadedly fitted to the ends of the screws. Connecting arms are movably connected to the inner sides of the two protrusions.

[0011] Preferably, the inner side of the connecting arm is threadedly connected to the screw, and the lower end of the connecting arm is positioned opposite to the top end of the support plate.

[0012] The electromagnetic chuck structure proposed in this utility model has the following advantages: the first electromagnet is arranged in an arc shape on the left side, and the second electromagnet is arranged in a relatively opposite arc shape on the right side. After the first and second electromagnets are powered on, the arc-shaped first and second electromagnets at the lower ends on both sides will fit against the arc shape of the oxygen cylinder body through the arc surface, and then generate magnetic attraction to fix them. After fixing, the side hooks on both sides will pop out under the elastic force of the elastic block to hold the side of the oxygen cylinder body, achieving the function of auxiliary support and positioning. In this way, the electromagnets with arc surfaces can better fix and clamp arc-shaped workpieces such as oxygen cylinders, improving the adsorption effect of the electromagnetic chuck structure. Attached Figure Description

[0013] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0014] Figure 2 for Figure 1 A frontal sectional view;

[0015] Figure 3 for Figure 1 Top view diagram;

[0016] Figure 4 for Figure 2 Enlarged sectional view of section A in the middle;

[0017] Figure 5 for Figure 2 Enlarged sectional view of section B in the middle;

[0018] Figure 6 for Figure 3 Enlarged sectional view of section C.

[0019] In the figure: 1, suction cup base, 2, oxygen cylinder body, 3, support plate, 4, electromagnetic chuck arc-shaped workpiece fixing structure, 41, vertical sliding slot, 42, elastic block, 43, limiting baffle, 44, side hook, 5, suction cup butt joint mounting structure, 51, welding plate, 52, protruding block, 53, connecting arm, 54, screw, 55, nut, 6, first electromagnet, 7, second electromagnet. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings:

[0021] Example 1:

[0022] Please refer to Figures 1-6 In this embodiment, an electromagnetic chuck structure comprises a suction cup base 1, an oxygen cylinder body 2 and a support plate 3, the support plate 3 is fixedly installed at the top end of the suction cup base 1, the support plate 3 is welded above the suction cup base 1, the suction cup base 1 is made of chrome-plated alloy, so that the influence of magnetic force can be reduced, the inner side of the suction cup base 1 is provided with an electromagnetic chuck arc-shaped workpiece fixing structure 4, the top end of the support plate 3 is provided with a suction cup butt joint mounting structure 5, and the oxygen cylinder body 2 is movably connected below the suction cup base 1.

[0023] The electromagnetic chuck arc-shaped workpiece fixing structure 4 comprises vertical sliding slots 41 and limiting baffles 43, two vertical sliding slots 41 are fixedly arranged at the lower ends of the two sides of the suction cup base 1, the vertical sliding slots 41 are arranged at the lower sides of the suction cup base 1, the vertical sliding slots 41 can guide and limit the up-down movement of the side hooks 44, two side hooks 44 are slidably connected to the inner sides of the two vertical sliding slots 41, and the side hooks 44 are made of aluminum alloy plates with recessed inner sides.

[0024] The side hooks 44 can realize auxiliary grabbing and positioning of the outer wall of the arc-shaped oxygen cylinder through the recessed inner sides opposite to each other, two limiting baffles 43 are fixedly installed at the outer walls of the two sides of the suction cup base 1, the limiting baffles 43 can limit the movement track of the side hooks 44, and the top ends of the two side hooks 44 are fixedly installed with elastic blocks 42, the elastic blocks 42 are made of rubber materials with good elasticity and easy deformation under pressure, and under normal circumstances, the rubber elastic blocks 42 can push the lower side hooks 44 to pop out of the limiting baffles 43.

[0025] When the oxygen cylinder body 2 is conveyed from the two sides, it will first touch the side hooks 44, the side hooks 44 will be pressed to push the elastic blocks 42 to compress, and the side hooks 44 will be retracted into the inner sides of the limiting baffles 43, so that the oxygen cylinder body 2 can enter the inner side of the suction cup base 1 without obstruction, and the two elastic blocks 42 are fixedly installed at the inner top end of the suction cup base 1.

[0026] The side walls of the two side claws 44 are slidably connected to the inner side of the limiting baffle 43, and the inner sides of the two side claws 44 are movably connected to the side edges of the oxygen cylinder body 2.

[0027] The lower end of the suction cup base 1 is fixedly connected with a first electromagnet 6, which is arranged in an arc shape on the left side. A second electromagnet 7 is arranged in an opposite arc shape on the right side. After the first electromagnet 6 and the second electromagnet 7 are turned on and started, the arc-shaped first electromagnet 6 and the second electromagnet 7 on the lower end of both sides will be fitted with the arc of the oxygen cylinder body 2 through the arc surface, and then a magnetic attraction force will be generated to adsorb and fix. After fixation, the two side claws 44 will be ejected under the elastic force of the elastic block 42, holding the side edges of the oxygen cylinder body 2, achieving the effect of auxiliary support and positioning. The lower end of the suction cup base 1 is fixedly connected with a second electromagnet 7, and the bottom ends of the first electromagnet 6 and the second electromagnet 7 are movably connected to the outer wall top of the oxygen cylinder body 2.

[0028] The first electromagnet 6 is arranged in an arc shape on the left side, and the second electromagnet 7 is arranged in an opposite arc shape on the right side. After the first electromagnet 6 and the second electromagnet 7 are turned on and started, the arc-shaped first electromagnet 6 and the second electromagnet 7 on the lower end of both sides will be fitted with the arc of the oxygen cylinder body 2 through the arc surface, and then a magnetic attraction force will be generated to adsorb and fix. After fixation, the two side claws 44 will be ejected under the elastic force of the elastic block 42, holding the side edges of the oxygen cylinder body 2, achieving the effect of auxiliary support and positioning. The arc-shaped electromagnet can better fix and clamp the arc-shaped oxygen cylinder and other workpieces, improving the adsorption effect of the electromagnetic chuck structure.

[0029] Working principle:

[0030] The electromagnetic chuck structure is used on the production line for oxygen cylinder production. The magnetic attraction force generated by the electromagnetic chuck when powered on can fix the oxygen cylinder made of metal iron, enabling the oxygen cylinder to be moved, transferred, turned over, and controlled for water, etc. The oxygen cylinder can be released from the clamping range by turning off the power.

[0031] Electromagnetic chuck structure adsorption positioning structure:

[0032] The vertical sliding groove 41 is opened on the lower two sides of the suction cup base 1, and the vertical sliding groove 41 can guide and limit the up-down movement of the side hook 44. The side hook 44 is made of an aluminum alloy plate with a recess on the inner side. The side hook 44 can assist in grasping and positioning the arc-shaped oxygen cylinder outer wall through the opposite recesses on the inner side. The limiting baffle 43 can limit the movement trajectory of the side hook 44. The elastic block 42 is made of rubber material with good elasticity and easy deformation under pressure. Under normal circumstances, the rubber elastic block 42 will push the lower side hook 44 out of the limiting baffle 43. When the oxygen cylinder body 2 is transported from both sides, it will first touch the side hook 44. The side hook 44 is pressed and pushes the elastic block 42 to compress. The side hook 44 is retracted to the inner side of the limiting baffle 43. In this way, the oxygen cylinder body 2 is not hindered to enter the inner side of the suction cup base 1.

[0033] Firm adsorption structure of electromagnetic chuck structure:

[0034] The first electromagnet 6 is arranged in an arc shape on the left side, and the second electromagnet 7 is arranged in an opposite arc shape on the right side. After the first electromagnet 6 and the second electromagnet 7 are connected to the power supply and started, the arc-shaped first electromagnet 6 and the second electromagnet 7 on the lower end of both sides will be fitted with the arc of the oxygen cylinder body 2, and then generate a magnetic attraction force to adsorb and fix. After fixing, the two side hooks 44 will pop out under the action of the elastic force of the elastic block 42, and hold the side of the oxygen cylinder body 2 to achieve the effect of auxiliary supporting and positioning. In this way, the arc-shaped electromagnet can better fix and clamp the arc-shaped oxygen cylinder and other workpieces.

[0035] Embodiment 2:

[0036] Please refer to Figures 1-6 In this embodiment, an electromagnetic chuck structure includes a suction cup butt joint mounting structure 5, which includes a welded plate 51 and a connecting arm 53. The welded plate 51 is parallelly welded and fixed on the top end of the support plate 3. Two welded plates 51 are fixedly installed on the top end of the support plate 3. Two protrusions 52 are arranged on the inner sides of the two welded plates 51. The protrusions 52 are fixedly installed on the inner sides of the two welded plates 51. The inner sides of the two welded plates 51 are threadedly connected with a screw rod 54. The connecting arm 53 is inserted into the two protrusions 52.

[0037] Then the threaded end of the screw rod 54 is screwed through the welded plate 51, the protrusions 52 and the inner connecting arm 53. Finally, the other side of the screw rod 54 is screwed and tightened by a nut 55 to fix the connecting arm 53. The upper side of the connecting arm 53 can be connected with a feeding mechanism for driving the oxygen cylinder to flip. This facilitates the electromagnetic chuck to complete various operations and fixation. The end of the screw rod 54 is threadedly sleeved with the nut 55. The inner sides of the two protrusions 52 movably connect with the connecting arm 53.

[0038] The inner side of the connecting arm 53 is threadedly connected with the screw rod 54. The lower end of the connecting arm 53 is oppositely arranged with the top end of the support plate 3.

[0039] Working principle:

[0040] The welding plates 51 are fixed in parallel on the top end of the support plate 3, the inner side of the two welding plates 51 is fixedly provided with protrusions 52, the connecting arms 53 are placed in the two protrusions 52, then the threaded end of the screw rod 54 is screwed through the welding plates 51, the protrusions 52 and the inner connecting arms 53, finally the other side of the screw rod 54 is screwed and fastened through the nut 55, so that the fixing of the connecting arms 53 is realized, and the feeding mechanism for driving the oxygen cylinder to overturn can be connected above the connecting arms 53, so that the electromagnetic chuck can be conveniently driven to complete various operations and fixing.

[0041] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. An electromagnetic chuck structure, comprising a chuck base (1), an oxygen cylinder body (2), and a support plate (3), wherein the support plate (3) is fixedly installed on the top of the chuck base (1), characterized in that: The inner side of the suction cup base (1) is provided with an electromagnetic chuck arc-shaped workpiece fixing structure (4), and the top of the support plate (3) is provided with a suction cup docking installation structure (5). The oxygen cylinder body (2) is movably connected to the bottom of the suction cup base (1). The electromagnetic chuck arc-shaped workpiece fixing structure (4) includes a vertical slide groove (41) and a limiting baffle (43). The two vertical slide grooves (41) are fixedly opened on both sides of the lower end of the suction cup base (1). The inner sides of the two vertical slide grooves (41) are slidably connected with two side hooks (44). The limiting baffle (43) is fixedly installed on both sides of the outer wall of the suction cup base (1). The top of the two side hooks (44) is fixedly installed with elastic blocks (42). The two elastic blocks (42) are fixedly installed on the inner top of the suction cup base (1). The lower end of the suction cup base (1) is fixedly connected to one side of the first electromagnet (6). The lower end of the suction cup base (1) is fixedly connected to the other side of the second electromagnet (7). The bottom ends of the first electromagnet (6) and the second electromagnet (7) are movably connected to the top of the outer wall of the oxygen cylinder body (2).

2. The electromagnetic chuck structure according to claim 1, characterized in that: The sidewalls of the two side hooks (44) are slidably connected to the inner side of the limiting baffle (43), and the inner side of the two side hooks (44) is movably connected to the side of the oxygen cylinder body (2).

3. The electromagnetic chuck structure according to claim 2, characterized in that: The suction cup docking installation structure (5) includes a welding plate (51) and a connecting arm (53). The two welding plates (51) are fixedly installed on the top of the support plate (3). The inner sides of the two welding plates (51) are fixedly installed with protrusions (52). The inner threads of the two welding plates (51) are connected to screws (54). The end of the screws (54) is threaded with nuts (55). The inner sides of the two protrusions (52) are movably connected to the connecting arm (53).

4. The electromagnetic chuck structure according to claim 3, characterized in that: The inner side of the connecting arm (53) is threadedly connected to the screw (54), and the lower end of the connecting arm (53) is positioned opposite to the top end of the support plate (3).

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