CN213318966U

CN213318966U - Vertical lathe clamping jaw seat

Info

Publication number: CN213318966U
Application number: CN202022282270.XU
Authority: CN
Inventors: 高欣; 黄贞云; 戈冬裕; 韩兴华
Original assignee: Jiangyin Nangong Forging Co ltd
Current assignee: Jiangyin Nangong Forging Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-01
Anticipated expiration: 2030-10-14

Abstract

The utility model relates to a vertical lathe clamping jaw seat, which comprises a workbench and four clamp mechanisms; the workbench is disc-shaped; four limiting grooves are radially arranged on the surface of the workbench; two parallel sliding grooves are formed in the two sides of the limiting groove on the workbench; the clamp mechanism comprises a jaw base, the jaw base is arranged on the limiting groove and the two sliding grooves in a sliding mode, bolt seats are arranged at two ends of the jaw base, bolts penetrate through the bolt seats to lock the jaw base on the sliding grooves, and the heads of the bolts are arranged at the bottoms of the sliding grooves; a screw rod is arranged in the jaw base and comprises a screw rod nut and a screw rod, and a clamping part is fixed at the front end of the screw rod nut; the front end of the clamping part is provided with a clamping jaw, and a cushion block is fixed at the lower part in front of the clamping jaw. The utility model discloses can press from both sides the work piece that is used for vertical lathe to process, guarantee that the work piece is put at the central point of workstation when adding man-hour, improve work piece machining precision.

Description

Vertical lathe clamping jaw seat

Technical Field

The utility model relates to a lathe equipment, especially a vertical lathe jack catch seat.

Background

The vertical lathe is used for processing large and heavy workpieces with large radial size, relatively small axial size and complex shapes, such as cylindrical surfaces, end surfaces and the like of various discs, wheels and sleeve workpieces.

Chinese patent with publication number CN204123143U discloses a vertical lathe workpiece clamping device, which is technically characterized in that the vertical lathe workpiece clamping device comprises a workbench and a clamping mechanism, a chute is arranged on the workbench, the clamping mechanism comprises a jaw base, a jaw head and a clamping screw, and further comprises a jaw positioning shaft arranged on the jaw base in a penetrating manner, the jaw positioning shaft comprises an adjusting portion, a positioning portion and a clamping block, a positioning mechanism corresponding to the positioning portion is arranged in the jaw base, and the clamping mechanism further comprises a clamping groove used for accommodating the clamping block after rotation. According to the scheme, the workpiece is clamped through the clamping mechanism, but in the scheme, the workpiece is placed on the clamping mechanism for clamping during processing, the clamping mechanism is easy to damage when the workpiece faces a large heavy workpiece, clamping is not easy to occur, the moving position of each clamping mechanism is kept consistent, and the problem that the workpiece deviates from the circle center is not solved.

Therefore, the utility model provides a to above-mentioned problem, provide a vertical lathe jack catch seat, solved above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical lathe jack catch seat can press from both sides the work piece of tight vertical lathe processing, makes work piece center and the workstation centre of a circle after pressing from both sides tight on same vertical axis.

In order to achieve the purpose of the utility model, a vertical lathe claw seat is provided, which is characterized by comprising a workbench and four clamp mechanisms; the workbench is disc-shaped; four limiting grooves are radially arranged on the surface of the workbench, and each limiting groove consists of a plurality of T-shaped groove bodies with the same size in cross section; two parallel sliding grooves are formed in the two sides of each limiting groove on the workbench, and the longitudinal sections of the sliding grooves are inverted T-shaped;

the clamp mechanism comprises a jaw base, the jaw base is arranged on the limiting groove and the two sliding grooves in a sliding mode, bolt seats are arranged at two ends of the jaw base, bolts penetrate through the bolt seats to lock the jaw base on the sliding grooves, the heads of the bolts are arranged at the bottoms of the sliding grooves, and the jaw base can slide and be fixed on the sliding grooves through tightening and loosening nuts; a screw rod is arranged in the jaw base and comprises a screw rod nut and a screw rod, a clamping part is fixed at the front end of the screw rod nut, and the clamping part can be controlled to move back and forth by rotating the screw rod;

the front end of the clamping part is provided with a clamping jaw, and a cushion block is fixed at the lower part in front of the clamping jaw;

the clamping jaw base is characterized in that positioning holes are formed in two sides of the clamping jaw base respectively, positioning keys are arranged in the positioning holes, positioning portions are arranged between the two positioning holes of the clamping jaw base and can move between the positioning holes, positioning blocks matched with grooves in the limiting grooves are fixed to the bottom surfaces of the positioning portions, and the positioning keys are inserted into the positioning holes to enable the positioning portions to move horizontally.

Preferably, the workbench is provided with a plurality of circular traces with the same circle center as the workbench and different radiuses.

Preferably, the surface of the clamping jaw is an arc surface matched with a workpiece, and the clamping jaw is in threaded connection with the clamping part.

Preferably, the middle of the workbench is provided with four pressing blocks, one side of each pressing block is fixed with a connecting rod, one side of each connecting rod is provided with a hook, and the front end of the clamp mechanism is provided with a hook groove.

The working principle is as follows: the utility model discloses a vertical lathe jack catch seat, before vertical lathe begins work, the crotch on the connecting rod breaks away from the hook groove, right side positioning key inserts in the locating hole, move suitable position according to the work piece size with fixture mechanism, it is the same to the distance in the centre of a circle to confirm four fixture mechanism through circular vestige presumably earlier, promote left side positioning key again, make four fixture mechanism accuracy slide to on same circle, the nut of screwing up, fix the fixture mechanism to the workstation, then hang into vertical lathe to the work piece, the work piece is put on four fixture mechanism's cushion, it promotes the clamping jaw and presss from both sides tight work piece forward to rotate the screw rod, open the lathe switch at last, it is rotatory to stretch out the lathe tool workstation, the work piece begins to process.

The utility model relates to a vertical lathe jack catch seat compares with prior art and has following advantage:

(1) the workpiece can be clamped, and the service life of the clamp mechanism is prolonged by arranging the cushion block;

(2) the workpiece is positioned at the center of the workbench during processing, so that the processing precision is improved;

(3) the disassembly and assembly are convenient, and the maintenance is easy.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention;

FIG. 3 is a schematic view of a clamp mechanism;

FIG. 4 is a partial cross-sectional view of the clamping mechanism;

reference numerals: 1. a work table; 2. a limiting groove; 3. a chute; 11. a circular trace; 41. a jaw base; 42. a bolt seat; 43. a screw; 44. a lead screw nut; 45. a clamping portion; 46. a clamping jaw; 47. cushion blocks; 48. a positioning key; 49. positioning blocks; 5. briquetting; 51. a connecting rod.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, a vertical lathe jaw seat comprises a workbench 1 and four clamp mechanisms; the workbench 1 is disc-shaped; four limiting grooves 2 are radially arranged on the workbench 1, and each limiting groove 2 consists of a plurality of T-shaped groove bodies with the same size in cross section; two parallel sliding grooves 3 are formed in the two sides of each limiting groove 2 on the workbench 1, and the longitudinal sections of the sliding grooves 3 are inverted T-shaped;

the clamp mechanism comprises a jaw base 41, the jaw base 41 is arranged on the limiting groove 2 and the two sliding grooves 3 in a sliding mode, bolt seats 42 are arranged at two ends of the jaw base 41, bolts penetrate through the bolt seats 42 to lock the jaw base 41 on the sliding grooves 3, the heads of the bolts are arranged at the bottoms of the sliding grooves 3, and the jaw base 41 can slide and be fixed on the sliding grooves 3 through tightening and loosening nuts; a screw rod is arranged in the jaw base 41 and comprises a screw rod nut 44 and a screw rod 43, a clamping part 45 is fixed at the front end of the screw rod nut 44, and the clamping part 45 can be controlled to move back and forth by rotating the screw rod 43;

the clamping jaw 46 is arranged at the front end of the clamping portion 45, and the cushion block 47 is fixed at the lower part in front of the clamping jaw 46, so that the clamping effect is better, and the workpiece is prevented from being difficult to clamp after the vertical lathe is finished.

Furthermore, the clamping part 45 and the clamping jaw 46 are detachably connected, such as in threaded connection, the surface of the clamping jaw 46 is an arc surface matched with a workpiece, the clamping effect is better, and different clamping jaws 46 can be replaced for workpieces with different sizes.

A plurality of circular traces 11 with the same circle center as the bottom surface and different radiuses are marked on the surface of the workbench 1; when the vertical lathe claw seat works, the clamp mechanism can be roughly determined to be on the same concentric circle through the circular trace 11;

positioning holes are respectively arranged at two sides of the jaw base 41, positioning keys 48 are arranged in the positioning holes, a positioning part is arranged between the two positioning holes of the jaw base 41, and the positioning part can move between the positioning holes, a positioning block 49 matched with the groove body in the limiting groove 2 is fixed on the bottom surface of the positioning part, the insertion of the positioning key 48 into the positioning hole allows the positioning part to move horizontally, as shown in fig. 4, when the clamp mechanism is moved, the right positioning key 48 is inserted into the positioning hole, the positioning portion is moved to the left, the clamp mechanism is freely slid, when the clamp mechanism is fixed, the left positioning key 48 is inserted, the positioning part moves into the right groove of the limiting groove 2, the nut on the bolt seat 42 is screwed, the clamp mechanism is fixed, the positioning part has a limiting effect on the clamp mechanisms, and each clamp mechanism can be accurately controlled on the same concentric circle;

four pressing blocks 5 are placed in the middle of the upper portion of the workbench 1, a connecting rod 51 is fixed to one side of each pressing block 5, a hook is arranged on one side of each connecting rod 51, a hook groove is formed in the front end of the clamp mechanism, when the vertical lathe stops working, the clamp mechanism is moved to enable the hook to be hung in the hook groove, nuts do not need to be screwed down, the clamp mechanism is prevented from falling off the workbench 1, and the service life of the clamp mechanism is prolonged.

The utility model discloses application method, before vertical lathe begins work, break away from the hook groove to the crotch on connecting rod 51, right side positioning key 48 inserts in the locating hole, move fixture mechanism to suitable position according to the work piece size, it is the same to confirm four fixture mechanism's distance to the centre of a circle roughly through circular vestige 11 earlier, promote left side positioning key 48 again, make four accurate sliding of fixture mechanism arrive on the same circle, screw up the nut, fix fixture mechanism to workstation 1, as shown in figure 3, hang into vertical lathe to the work piece, the work piece is put on four fixture mechanism's cushion 47, rotation screw 43 promotes clamping jaw 46 and presss from both sides tight work piece forward, open the lathe switch at last, it is rotatory to stretch out lathe workstation 1, the work piece begins to process.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention, and such equivalents and substitutions are intended to be included within the scope of the invention as defined by the appended claims.

Claims

1. A vertical lathe claw seat is characterized by comprising a workbench and a clamp mechanism; the workbench is disc-shaped; four limiting grooves are radially arranged on the surface of the workbench, and each limiting groove consists of a plurality of T-shaped groove bodies with cross sections; two parallel sliding grooves are formed in the two sides of each limiting groove on the workbench, and the longitudinal sections of the sliding grooves are inverted T-shaped;

the clamp mechanism comprises a jaw base, the jaw base is arranged on the limiting groove and the two sliding grooves in a sliding mode, bolt seats are arranged at two ends of the jaw base, bolts penetrate through the bolt seats to lock the jaw base on the sliding grooves, and the heads of the bolts are arranged at the bottoms of the sliding grooves; a screw rod is arranged in the jaw base and comprises a screw rod nut and a screw rod, and a clamping part is fixed at the front end of the screw rod nut; the front end of the clamping part is provided with a clamping jaw, and a cushion block is fixed at the lower part in front of the clamping jaw;

positioning holes are respectively formed in the two sides of the clamping jaw base; a positioning key is arranged in the positioning hole; the claw base is provided with a positioning part between the two positioning holes; and a positioning block matched with the groove body in the limiting groove is fixed on the bottom surface of the positioning part.

2. The vertical lathe chuck as claimed in claim 1, wherein the table has a plurality of circular traces with the same center and different radius from the center of the table.

3. The vertical lathe jaw seat of claim 2, wherein the jaw surface is a curved surface for mating with a workpiece, and the jaw is threadedly engaged with the clamping portion.

4. The vertical lathe jaw seat as claimed in claim 3, wherein the middle of the working table is provided with four pressing blocks, one side of each pressing block is fixed with a connecting rod, one side of each connecting rod is provided with a hook, and the front end of the clamp mechanism is provided with a hook groove.