Milling clamp for planer type milling machine

Abstract

The utility model relates to a milling fixture for planer type milling machines in the technical field of auxiliary fixtures, which comprises a mounting plate capable of being mounted on the upper surface of a planer type milling machine workbench, a bidirectional telescopic structure is arranged on the upper surface of the mounting plate along the length direction, and T-shaped plates are arranged at two telescopic ends of the bidirectional telescopic structure. The two ends of the inner plate face of the wing portion of the T-shaped plate are each provided with a positioning insertion rod capable of being inserted into a wheel shaft sleeve hole of the wheel seat to be machined in a matched mode so that the wheel seat to be machined can be centered, positioned and fixed. According to the utility model, the positioning insertion rods designed according to the structure of the wheel seat can move relatively through the bidirectional telescopic structure, and are inserted into the wheel shaft sleeve hole of the wheel seat to complete the functions of fixing and centering and positioning the wheel seat, and the centering and positioning functions facilitate the subsequent processing operation of a planer type milling machine; and due to the arrangement of the n-shaped bearing seat, the wheel seat can be initially positioned through the arc-shaped groove, and the influence of the positioning insertion rod on the fixing and centering positioning of the wheel seat is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary clamps, in particular to a milling clamp for a gantry milling machine. Background Art

[0002] The coil transport trolley is an important part of the casting and rolling mill. During the production process of the coil transport trolley, the wheel seat of the coil transport trolley (such as the attached Figure 1 The top surface of the wheel seat is milled by a gantry milling machine so that the three top surfaces of the wheel seat are in the same plane. However, before the gantry milling machine is used to mill it, the wheel seat to be processed needs to be fixed.

[0003] Therefore, we designed a milling fixture for gantry milling machine according to the structure of the fixed seat. Utility Model Content

[0004] In order to overcome the deficiencies in the background technology, the utility model discloses a milling fixture for a gantry milling machine.

[0005] In order to achieve the above-mentioned invention object, the utility model adopts the following technical solutions:

[0006] A milling fixture for a gantry milling machine comprises a mounting plate which can be mounted on the table top of a workbench of the gantry milling machine, wherein the upper surface of the mounting plate is provided with a bidirectional telescopic structure along its length direction, and both telescopic ends of the bidirectional telescopic structure are provided with T-shaped plates, and both ends of the inner plate surface of the wing portion of the T-shaped plate are provided with positioning rods which can be matched and inserted into the wheel axle sleeve holes of a wheel seat to be processed, so as to facilitate the centering, positioning and fixing of the wheel seat to be processed.

[0007] Preferably, the end portion of the positioning rod facing away from the corresponding T-shaped plate is a tapered portion.

[0008] Preferably, the shaft of the positioning rod is provided with a positioning convex ring capable of abutting against the end surface of the wheel seat.

[0009] Preferably, slide rails are provided at both ends of the upper surface of the mounting plate, and the lower end of the belly of the T-shaped plate is slidably connected to the slide rails along the length direction of the slide rails.

[0010] Preferably, an n-shaped support seat is provided in the middle of the length direction of the mounting plate, and a positioning blind hole is provided in the middle of the top surface of the n-shaped support seat to facilitate zero point positioning of the gantry milling machine.

[0011] Preferably, an N-shaped supporting seat is provided in the middle of the length direction of the mounting plate, and arc grooves capable of supporting the wheel seat axle sleeve are provided on both sides of the top surface of the N-shaped supporting seat, and the diameter of the arc groove is larger than the outer diameter of the wheel seat axle sleeve.

[0012] Preferably, the bidirectional telescopic structure comprises a fixed cylinder fixedly mounted on the middle of the upper surface of the mounting plate, both ends of the fixed cylinder are provided with reduced diameter parts, the inner cavity of the fixed cylinder is slidably matched with two piston plates, a telescopic shaft is provided in the middle of the outer surface of the piston plate, the outer end of the telescopic shaft extends out of the fixed cylinder and is connected to the corresponding T-shaped plate;

[0013] The bidirectional telescopic structure also includes an air supply device for supplying air to the inner cavity of the fixed cylinder.

[0014] Preferably, a return spring is provided in the inner cavity of the fixed cylinder between the two piston plates, and a vent hole is provided in the middle of the fixed cylinder; the inner cavity of the fixed cylinder is connected to the air supply device at a position corresponding to the outer side of the piston plate.

[0015] Preferably, a buffer spring is provided in the inner cavity of the fixed cylinder at a position corresponding to the outer side of the piston plate, and the buffer spring is matched and sleeved on the corresponding telescopic shaft body.

[0016] Preferably, the inner cavity of the fixed cylinder corresponding to the position located outside the piston plate and the position located between the two piston plates are both connected to the air supply equipment.

[0017] Due to the adoption of the technical solution as described above, the utility model has the following beneficial effects: the positioning rod designed according to the wheel seat structure can be relatively moved through the bidirectional telescopic structure, and inserted into the wheel seat axle sleeve hole to complete the functions of fixing and centering the wheel seat, wherein the centering function facilitates the subsequent processing operations of the gantry milling machine; the setting of the N-type supporting seat can perform initial positioning of the wheel seat through the arc groove, and will not affect the fixing and centering of the wheel seat by the positioning rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a wheel seat in the prior art;

[0019] Figure 2 It is a schematic diagram of the structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the utility model after clamping the wheel seat;

[0021] Figure 4 for Figure 3 A top view of

[0022] Figure 5 for Figure 4 AA section view;

[0023] Figure 6 for Figure 4 BB cross-sectional view;

[0024] Figure 7This is a schematic diagram of the air supply process of the bidirectional telescopic structure of the utility model;

[0025] Figure 8 The figure is a schematic diagram of the air supply process of another structure of the bidirectional telescopic structure of the utility model.

[0026] In the figure: 1. Mounting plate; 11. Slide rail; 2. Bidirectional telescopic structure; 21. Fixed cylinder; 211. Reduced diameter portion; 212. Vent hole; 22. Piston plate; 23. Telescopic shaft; 24. Air supply device; 25. Reset spring; 26. Buffer spring; 3. T-plate; 4. Positioning rod; 41. Positioning convex ring; 5. N-type support seat; 51. Positioning blind hole; 52. Arc groove. DETAILED DESCRIPTION

[0027] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.

[0028] Combined with Figure 2-8 A milling fixture for a gantry milling machine comprises a mounting plate 1 which can be mounted on a workbench of the gantry milling machine, and a bidirectional telescopic structure 2 is provided on the upper surface of the mounting plate 1 along its length direction;

[0029] Furthermore, the bidirectional telescopic structure 2 includes a fixed cylinder 21 fixedly mounted on the middle of the upper plate surface of the mounting plate 1, and both ends of the fixed cylinder 21 are provided with a reduced diameter portion 211. It should be noted that the reduced diameter portion 211 is composed of the end caps of the fixed cylinder 21. The inner cavity of the fixed cylinder 21 is slidably matched with two piston plates 22, and a telescopic shaft 23 is provided in the middle of the outer plate surface of the piston plate 22. The outer end of the telescopic shaft 23 extends out of the fixed cylinder 21 and is connected to the corresponding T-shaped plate 3; the bidirectional telescopic structure 2 also includes an air supply device 24 for supplying air to the inner cavity of the fixed cylinder 21. Both telescopic ends of the bidirectional telescopic structure 2 are provided with a T-shaped plate 3, and both ends of the inner plate surface of the wing of the T-shaped plate 3 are provided with a positioning rod 4 that can be matched and inserted into the wheel axle sleeve hole of the wheel seat to be processed, so as to facilitate the centering, positioning and fixing of the wheel seat to be processed.

[0030] This arrangement can drive the two T-plates 3 to move relative to each other through the bidirectional telescopic structure 2, so that the positioning rod 4 can be correspondingly matched and inserted into the axle sleeve hole of the wheel seat to be processed, thereby realizing the function of centering and fixing the wheel seat.

[0031] According to the needs, for convenience, the positioning rod 4 is inserted into the wheel axle sleeve hole of the wheel seat to be processed: the end of the positioning rod 4 away from the corresponding T-shaped plate 3 is a tapered portion.

[0032] As required, the rod body of the positioning rod 4 is provided with a positioning protruding ring 41 that can abut against the end surface of the wheel seat.

[0033] Furthermore, in order to improve the stability and accuracy of the positioning rod 4 during movement, slide rails 11 are provided at both ends of the upper surface of the mounting plate 1 , and the lower end of the belly of the T-shaped plate 3 is slidably connected to the slide rails 11 along the length direction of the slide rails 11 .

[0034] Furthermore, in order to facilitate the gantry milling machine to find the zero point position: an n-type supporting seat 5 is provided in the middle of the length direction of the mounting plate 1, and a positioning blind hole 51 is provided in the middle of the top surface of the n-type supporting seat 5; in this way, the zero point coordinate system of the gantry milling machine milling processing can be established according to the position of the positioning blind hole 51; and the setting of the n-type supporting seat 5 can also support the wheel seat through the n-type supporting seat 5 before the positioning rod 4 is inserted into the wheel seat axle sleeve hole.

[0035] Furthermore, an n-type supporting seat 5 is provided in the middle part of the length direction of the mounting plate 1, and arc-shaped grooves 52 capable of supporting the wheel seat axle sleeve are provided on both sides of the top surface of the n-type supporting seat 5, and the diameter of the arc-shaped groove 52 is larger than the outer diameter of the wheel seat axle sleeve; in this way, the wheel seat can be initially positioned through the arc-shaped groove 52 to ensure that the wheel seat is located at a position where the positioning rod 4 can be inserted into the wheel seat axle sleeve hole; the setting of the arc-shaped groove 52 having a diameter larger than the outer diameter of the wheel seat axle sleeve allows the positioning rod 4 to match the wheel seat axle sleeve hole, thereby preventing the situation where the positioning rod 4 cannot be fully inserted into the wheel seat axle sleeve hole due to the large height of the wall of the arc-shaped groove 52.

[0036] It should be noted that the two positioning rods 4 located on the same side of the mounting plate 1 are coaxially arranged.

[0037] In one embodiment, the bidirectional telescopic structure 2 is combined with the attached Figure 7 A return spring 25 is provided in the inner cavity of the fixed cylinder 21 between the two piston plates 22, and a vent hole 212 is provided in the middle of the fixed cylinder 21; the inner cavity of the fixed cylinder 21 is connected to the air supply device 24 at a position corresponding to the outer side of the piston plate 22; this arrangement can supply air to the inner cavity of the fixed cylinder 21 corresponding to the outer side of the piston plate 22 through the air supply device 24, at this time, the piston plate 22 moves inwardly under the action of air pressure, thereby driving the corresponding telescopic shaft 23, T-plate 3 and positioning rod 4 to move inward, until the positioning rod 4 is inserted into the wheel axle sleeve hole of the wheel seat, and reaches a position where the T-plate 3 cannot move inward any further, thereby realizing the centering clamping of the wheel seat and completing the positioning and fixing of the wheel seat.

[0038] It should be noted that when the piston plates 22 move inward, the gas in the inner cavity of the fixing cylinder 21 between the two piston plates 22 is discharged through the vent holes 212 .

[0039] It should be noted that after the processing is completed, the air supply device 24 no longer supplies air to the inner cavity of the fixing cylinder 21, and the piston plate 22 is reset under the action of the reset spring 25. At this time, the positioning rod 4 is separated from the wheel seat axle sleeve hole, completing the loosening operation of the wheel seat.

[0040] Furthermore, in order to prevent the piston plate 22 from colliding with the piston plate 22 under the action of the return spring 25, a buffer spring 26 is provided in the inner cavity of the fixed cylinder 21 at a position corresponding to the outer side of the piston plate 22, and the buffer spring 26 is matched and sleeved on the corresponding telescopic shaft 23.

[0041] In another embodiment, the bidirectional telescopic structure 2 is combined with the attached Figure 8 The position of the inner cavity of the fixed cylinder 21 corresponding to the outer side of the piston plate 22 and the position between the two piston plates 22 are both connected to the air supply device 24. That is to say, the air supply device 24 can supply air to the position of the inner cavity of the fixed cylinder 21 corresponding to the outer side of the piston plate 22, so that the piston plate 22 moves inward; and can also supply air to the position of the inner cavity of the fixed cylinder 21 between the two piston plates 22, so that the piston plate 22 moves outward.

[0042] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended that all changes that fall within the meaning and scope of equivalent elements are included in the present invention.

Claims

1. A milling fixture for a gantry milling machine, characterized in that: The invention comprises a mounting plate (1) which can be mounted on a table top of a gantry milling machine workbench, wherein the upper plate surface of the mounting plate (1) is provided with a bidirectional telescopic structure (2) along its length direction, and both telescopic ends of the bidirectional telescopic structure (2) are provided with a T-shaped plate (3), and both ends of the inner plate surface of the wing portion of the T-shaped plate (3) are provided with positioning rods (4) which can be matched and inserted into the wheel axle sleeve hole of the wheel seat to be processed, so as to facilitate the centering, positioning and fixing of the wheel seat to be processed.

2. The milling fixture for a gantry milling machine according to claim 1, characterized in that: An end portion of the positioning rod (4) that faces away from the corresponding T-shaped plate (3) is a tapered portion.

3. The milling fixture for a gantry milling machine according to claim 1, characterized in that: The rod body of the positioning insertion rod (4) is provided with a positioning convex ring (41) capable of abutting against the end surface of the wheel seat.

4. The milling fixture for a gantry milling machine according to claim 1, characterized in that: Slide rails (11) are provided at both ends of the upper plate surface of the mounting plate (1), and the lower end of the belly of the T-shaped plate (3) is slidably connected to the slide rails (11) along the length direction of the slide rails (11).

5. The milling fixture for a gantry milling machine according to claim 1, characterized in that: An N-shaped support seat (5) is provided in the middle of the length direction of the mounting plate (1), and a positioning blind hole (51) is provided in the middle of the top surface of the N-shaped support seat (5) to facilitate zero point positioning of the gantry milling machine.

6. The milling fixture for a gantry milling machine according to claim 5, characterized in that: An N-shaped support seat (5) is provided in the middle of the length direction of the mounting plate (1), and arc-shaped grooves (52) capable of supporting the wheel seat axle sleeve are provided on both sides of the top surface of the N-shaped support seat (5), and the diameter of the arc-shaped groove (52) is larger than the outer diameter of the wheel seat axle sleeve.

7. The milling fixture for a gantry milling machine according to claim 1, characterized in that: The bidirectional telescopic structure (2) comprises a fixed cylinder (21) fixedly mounted on the middle of the upper plate surface of the mounting plate (1), both ends of the fixed cylinder (21) are provided with reduced diameter portions (211), the inner cavity of the fixed cylinder (21) is slidably fitted with two piston plates (22), a telescopic shaft (23) is provided in the middle of the outer plate surface of the piston plate (22), the outer end of the telescopic shaft (23) extends out of the fixed cylinder (21) and is connected to the corresponding T-shaped plate (3); The bidirectional telescopic structure (2) further comprises an air supply device (24) for supplying air to the inner cavity of the fixed cylinder (21).

8. The milling fixture for a gantry milling machine according to claim 7, characterized in that: A return spring (25) is provided at a position of the inner cavity of the fixed cylinder (21) between the two piston plates (22), and a vent hole (212) is provided in the middle of the fixed cylinder (21); the inner cavity of the fixed cylinder (21) is connected to the air supply device (24) at a position corresponding to the outer side of the piston plate (22).

9. The milling fixture for a gantry milling machine according to claim 8, characterized in that: A buffer spring (26) is provided at a position of the inner cavity of the fixed cylinder (21) corresponding to the outer side of the piston plate (22), and the buffer spring (26) is matched and sleeved on the corresponding body of the telescopic shaft (23).

10. The milling fixture for a gantry milling machine according to claim 7, characterized in that: The inner cavity of the fixed cylinder (21) is connected to the gas supply device (24) at a position corresponding to the outer side of the piston plate (22) and a position between the two piston plates (22).

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