CN218592241U - Large-size sleeve type clamp of horizontal surfacing machine - Google Patents

Abstract

The utility model discloses a horizontal surfacing machine jumbo size cover class fixture belongs to repair tools technical field. The middle part of the main shaft barrel is provided with an expansion mechanism, six sliding blocks capable of translating are arranged on a supporting disk of the expansion mechanism, translation track grooves of the sliding blocks are arranged in an equal-angle array on the supporting disk, the end parts of the sliding blocks are provided with supporting rods parallel to the main shaft barrel, the main shaft barrel is sleeved with a sliding sleeve, the sliding sleeve is hinged to the sliding blocks through supporting arms, a driving mechanism is arranged in the main shaft barrel, the side wall of the main shaft barrel is provided with a sliding groove, a front translation device and a rear translation device are arranged in the driving mechanism, a screw connected with the front translation device and the rear translation device of the driving mechanism is screwed in the sliding sleeve, the driving mechanism drives the sliding sleeve through the front translation device and the rear translation device, and expansion and contraction of the expansion mechanism are controlled. The device realizes the chucking through six groups of synchronous expanded modes of bracing piece, and inside to ring, cover class part and fix, when fixed, the axis of part keeps unanimous with main shaft section of thick bamboo axis, only needs the bevel pinion of adjustment to rotate, can realize the dress card of work piece.

Description

Large-size sleeve type clamp of horizontal surfacing machine

Technical Field

The utility model relates to a horizontal surfacing machine jumbo size cover class fixture belongs to repair tools technical field.

Background

The horizontal surfacing machine has low rotating speed and small clamping force on a workpiece, and when large-size sleeve and ring parts are machined, the large-size sleeve and ring parts are generally fixed in a jacket mode, namely a pair of flanges for clamping the parts are sleeved on a main shaft, the flanges on the left side and the right side are combined together in the ring and the sleeve through screws, and the main shaft can be clamped through a chuck of a machine tool for machining.

The axis is the most difficult to operate in the alignment of the axis, and the horizontal machining is adopted, so that the workpiece can be clamped and fixed, but the axis needs to be adjusted step by step, screws need to be tightened and loosened repeatedly in the process, the correction process of a single part before machining is very long, and the working efficiency is very low.

In order to improve the efficiency, the inner part of the flange needs to be turned to machine a bushing which is consistent with the inner diameter of a workpiece and is used for the same axis, but each part is machined, a bushing needs to be added, the machining cost is undoubtedly improved, the resource waste is also caused, meanwhile, the period for independently machining the bushing is long, the bushing can be used in batch machining, but various parts can be used, and when a single or a few parts are machined, the conventional screw can be repeatedly corrected.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough of above-mentioned prior art existence, the utility model provides a horizontal surfacing machine jumbo size cover class fixture is difficult for causing the part to warp, and chucking cover, lopps part that can be quick have also the axis of alignment part when fixed the completion, and work efficiency increases substantially.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a horizontal surfacing machine jumbo size cover class fixture, including a main shaft section of thick bamboo, expanding mechanism and actuating mechanism, a main shaft section of thick bamboo is one end open-ended hollow cylinder barrel, a main shaft section of thick bamboo middle part is equipped with expanding mechanism, be equipped with six sliders that can the translation on expanding mechanism's the supporting disk, the translation track groove of slider is the equidirectional array on the supporting disk, the slider tip is equipped with the bracing piece parallel with a main shaft section of thick bamboo, the cover has the sliding sleeve on the main shaft section of thick bamboo, the sliding sleeve passes through the support arm and articulates in the slider respectively, be equipped with actuating mechanism in the main shaft section of thick bamboo, the spout has been seted up to a main shaft section of thick bamboo lateral wall, be equipped with translation device around in the actuating mechanism, screw in have with actuating mechanism's the screw that translation device is connected around, actuating mechanism drives the sliding sleeve around through translation device, control expanding mechanism's inflation and shrink.

The utility model has the advantages that:

1. the device adopts six groups of supporting rods to clamp and fix ring and sleeve parts in an expansion mode, has high operation efficiency, saves the link of axis alignment and greatly improves the working efficiency of workers, and the axis of the parts is consistent with the axis of the main shaft barrel while fixing;

2. all of each bracing piece have certain expansion range, make its work piece dress card that adapts to multiple size, improve and be suitable for the scene, satisfy the user demand of enterprise's processing maintenance, insert the mode of manual knob behind the air wrench through the unilateral simultaneously, only need adjust single work piece, can realize the dress card of work piece, operating efficiency increases substantially, and the operation degree of difficulty descends by a wide margin.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the structure of the present invention.

Fig. 3 is a structural sectional view of the present invention.

Fig. 4 is a schematic structural diagram of the driving mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the fixing sleeve and the ring part of the horizontal type surfacing welding machine.

Reference numbers in the figures:

1. the main shaft cylinder, 2, a supporting disk, 3, a track groove, 4, a sliding block, 5, a supporting rod, 6, a supporting arm, 7, a sliding sleeve, 8, a sliding groove, 9, a screw rod, 10, an operation hole, 11, a screw nut, 12, a screw rod fixing seat, 13, a bearing, 14, a screw rod fixing cap, 15, a big bevel gear, 16, a small bevel gear, 17, a chuck, 18, a tailstock, 19 and a ring body part.

Detailed Description

As shown in fig. 1-5, a large-size sleeve type fixture for a horizontal type surfacing welding machine comprises a main shaft barrel 1, an expansion mechanism and a driving mechanism, wherein the main shaft barrel 1 is a hollow cylindrical barrel with an opening at one end, a chuck 17 of the horizontal type surfacing welding machine clamps and fixes the opening end of the main shaft barrel 1, and a tip tailstock 18 of the horizontal type surfacing welding machine is tightly pressed on the rear end face of the main shaft barrel 1, so that the main shaft barrel 1 is fixed on the horizontal type surfacing welding machine.

The expansion mechanism that 1 middle part of a main shaft section of thick bamboo comprises supporting disk 2, track groove 3, slider 4, bracing piece 5, support arm 6 and sliding sleeve 7, and supporting disk 2 is the solid disc body, and supporting disk 2 fixed connection is in 1 middle part of a main shaft section of thick bamboo to in the same straight line with the axis of a main shaft section of thick bamboo 1. Six track grooves 3 of organizing of having seted up in 2 outside equal angle ring arrays of supporting disk, all be equipped with slider 4 in the track groove 3, 4 cross-sections of slider are "worker" type, go into in the track groove 3 through both sides recess card, 4 length of slider are less than the degree of depth in track groove 3, the outer end of slider 4 all is equipped with the bracing piece 5 parallel with main shaft section of thick bamboo 1, bracing piece 5 and slider 4 are connected with the strengthening rib within a definite time, all articulate on the strengthening rib of slider 4 last one side has support arm 6, the other end of support arm 6 all articulates on sliding sleeve 7's lateral wall, sliding sleeve 7 covers on main shaft section of thick bamboo 1, and can be on main shaft section of thick bamboo 1 translation from beginning to end, thereby six bracing pieces 5 are through inflation or shrink during, make its chucking that realizes ring body part 19 support and release.

The driving mechanism is positioned in the spindle barrel 1 and consists of a front and back translation device, a lead screw fixing seat 12 and a lead screw fixing cap 14, the front and back translation device is fixed between the lead screw fixing seat 12 and the lead screw fixing cap 14, the driving mechanism is inserted into the spindle barrel 1 from the end part of the spindle barrel, and the screws screwed into the lead screw fixing seat 12 and the lead screw fixing cap 14 through the side wall threads of the spindle barrel 1 are fixedly connected with the screws, so that the front and back translation device is limited between the lead screw fixing seat 12 and the lead screw fixing cap 14 in the spindle barrel 1.

The front-back translation device is composed of a lead screw 9, a nut 11, a bearing 13, a large bevel gear 15 and a small bevel gear 16, the back end of the lead screw 9 is fixed on a lead screw fixing seat 12 through the bearing 13, the front end of the lead screw 9 is limited on a lead screw fixing cap 14 through a jackscrew, the lead screw 9 can rotate under the condition that the lead screw fixing seat 12 and the lead screw fixing cap 14 are fixed, the lead screw 9 is provided with the nut 11, a screw on a sliding sleeve 7 penetrates through a sliding groove 8 and is fixed on the nut 11, the large bevel gear 15 fixedly connected with the lead screw 9 is sleeved in the lead screw 9, the large bevel gear 15 is close to the end part of the lead screw fixing cap 14, the small bevel gear 16 meshed with the large bevel gear 15 is installed on the lead screw fixing cap 14 through a shaft seat, the small bevel gear 16 is rotated, and the lead screw 9 is driven to rotate through the large bevel gear 15.

Spout 8 has been seted up to a main shaft section of thick bamboo 1 lateral wall, 7 lateral wall screw threads screws in of sliding sleeve of expansion mechanism have the screw that passes spout 8, the screw width is the same with the 8 width of spout, thereby restriction sliding sleeve 7's axial is rotated, simultaneously on screw thread screw in inside actuating mechanism's the screw 11, restriction screw 11's axis rotates, when making its lead screw 9 in the front and back translation device rotate, only can the front and back translation, thereby it is parallel around 7 sliding sleeves on the drive expansion mechanism, the synchronous inflation and the shrink of control bracing piece 5, realize the ring, quick chucking and the release of cover class part.

The side wall of the main shaft cylinder 1 is provided with an operation hole 10 for controlling the front and back translation device, the operation hole 10 and the axis of the small bevel gear 16 are on the same straight line, the center of the small bevel gear 16 is provided with a square hole, and the front and back translation device is controlled outside the main shaft cylinder 1; the square head of the pneumatic wrench or the square head wrench is inserted into the square hole of the small bevel gear 16 in the control hole 10, and the small bevel gear 16 is controlled pneumatically or manually to rotate, so that the synchronous opening and closing of the support rods 5 are controlled.

The device has solved the difficult chucking of horizontal surfacing machine jumbo size part and the difficult problem of alignment, embolia the part back, through the mode of six groups of bracing piece synchronous expansions, inside the counter ring, the chucking is realized fixedly to cover class part, high operating efficiency, when fixed, the axis of part keeps unanimous with main shaft barrel axis, the link of alignment axis has been saved, the translation scope of slider 4, just be the expansion range of bracing piece 5, make its work piece dress card that adapts to multiple size, improve and be suitable for the scene, satisfy the user demand of enterprise's processing maintenance, the mode of manual knob behind the pneumatic spanner is inserted through the unilateral simultaneously, only need adjust single work piece, can realize the dress card of work piece, compare with traditional multiunit screw that closes, operating efficiency increases substantially, the operation degree of difficulty descends by a wide margin.

Claims (3)

1. A horizontal surfacing machine jumbo size cover class fixture which characterized in that: the expansion mechanism comprises a main shaft barrel (1), an expansion mechanism and a driving mechanism, wherein the main shaft barrel (1) is a hollow cylindrical barrel with an opening at one end, the middle part of the main shaft barrel (1) is provided with the expansion mechanism, six sliding blocks (4) capable of translating are arranged on a supporting plate (2) of the expansion mechanism, translation track grooves (3) of the sliding blocks (4) are arranged in an equiangular array on the supporting plate (2), the end parts of the sliding blocks (4) are provided with supporting rods (5) parallel to the main shaft barrel (1), the main shaft barrel (1) is sleeved with a sliding sleeve (7), the sliding sleeve (7) is hinged to the sliding blocks (4) through supporting arms (6), the driving mechanism is arranged in the main shaft barrel (1), the side wall of the main shaft barrel (1) is provided with a sliding groove (8), a front and rear translation device is arranged in the driving mechanism, a screw thread on the sliding sleeve (7) is screwed in a screw connected with the front and rear translation device of the driving mechanism, the driving mechanism drives the sliding sleeve (7) through the front and rear translation device, and expansion and contraction of the expansion mechanism are controlled.

2. The large-size sleeve type clamp of the horizontal type surfacing machine according to claim 1, wherein: expansion mechanism is by supporting disk (2), track groove (3), slider (4), bracing piece (5), support arm (6) and sliding sleeve (7) are constituteed, supporting disk (2) are located a main shaft section of thick bamboo (1) middle part, six track grooves (3) of organizing have been seted up in angular ring array such as supporting disk (2) outside, all be equipped with slider (4) in track groove (3), the outer end of slider (4) all is equipped with bracing piece (5) parallel with a main shaft section of thick bamboo (1), all articulate on slider (4) has support arm (6), the other end of support arm (6) all articulates on the lateral wall of sliding sleeve (7), sliding sleeve (7) cover is on a main shaft section of thick bamboo (1).

3. The large-size sleeve type clamp of the horizontal type surfacing machine according to claim 1, wherein: the driving mechanism consists of a front-back translation device, a lead screw fixing seat (12) and a lead screw fixing cap (14), the front-back translation device is fixed between the lead screw fixing seat (12) and the lead screw fixing cap (14), the driving mechanism is inserted into the main shaft barrel (1) from the end part of the main shaft barrel, and screws screwed into the lead screw fixing seat (12) and the lead screw fixing cap (14) through the side wall threads of the main shaft barrel (1) are fixedly connected with the main shaft barrel; the front and back translation device is composed of a lead screw (9), a nut (11), a bearing (13), a large bevel gear (15) and a small bevel gear (16), the back end of the lead screw (9) is fixed on a lead screw fixing seat (12) through the bearing (13), the front end of the lead screw (9) is limited on a lead screw fixing cap (14) through a jackscrew, the lead screw (9) is provided with the nut (11), a screw on a sliding sleeve (7) penetrates through a sliding groove (8) to be fixed on the nut (11), the lead screw (9) is internally sleeved with the large bevel gear (15) fixedly connected with the lead screw, the small bevel gear (16) meshed with the large bevel gear (15) is installed on the lead screw fixing cap (14) through a shaft seat, the side wall of a main shaft barrel (1) is provided with an operation hole (10), the operation hole (10) and the axis of the small bevel gear (16) are on the same straight line, and the center of the small bevel gear (16) is provided with a square hole.

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