CN220718575U - Hole pitch processing clamp for lathe taper hole - Google Patents

Abstract

The utility model discloses a hole pitch processing clamp for lathe taper holes, which comprises a clamp main body, wherein a plurality of groups of clamping assemblies are fixedly arranged on the peripheral surface of the clamp main body, the clamping assemblies are equidistantly arranged on the peripheral surface of the clamp main body, a supporting and expanding assembly is arranged in the middle of the clamp main body and positioned among the plurality of groups of clamping assemblies, the supporting and expanding assembly comprises a first extending block, a second extending block, a third extending block and a fourth extending block, one ends of the first extending block, the second extending block, the third extending block and the fourth extending block, which are close to the clamping assemblies, are arc-shaped, the first extending block, the second extending block, the third extending block and the fourth extending block are not contacted with each other, and sliding rods are fixedly arranged at the bottoms of the first extending block, the second extending block, the third extending block and the fourth extending block respectively, so that the device can increase certain accuracy and stability, and thus a certain working efficiency.

Description

Hole pitch processing clamp for lathe taper hole

Technical Field

The utility model relates to the field of machining, in particular to a hole pitch machining clamp for lathe taper holes.

Background

In the machining process, the process of turning the other end of the part is usually finished by using a three-jaw chuck of a lathe, after the turning of the part to be machined is finished, the part to be machined is taken down, the three jaws of the three-jaw chuck of the lathe are changed from a forward mounting mode to a reverse mounting clamping mode, and then the three jaws of the chuck are used for supporting from an inner hole of the part to be machined to realize positioning. The coaxiality precision of the inner holes at the two ends in the mode is low, so that the efficiency is low.

The utility model patent with publication number of CN113043048A discloses a two-taper hole precise pitch machining clamp for a numerical control lathe, which comprises a clamp body capable of being connected with a three-jaw chuck on the numerical control lathe and a connecting plate capable of being detachably and fixedly provided with a workpiece to be machined, wherein two groups of threaded stop holes capable of being detachably connected with the clamp body are arranged on the connecting plate, and the connecting plate is fixedly connected with the clamp body through connecting screws matched with the positioning screw holes; the two groups of positioning screw holes on the connecting plate are respectively fixed with the fixture body, so that the boring processing of two taper holes on a workpiece is realized by the digital control lathe. The utility model only needs to make a meter when clamping, the uniformity is good, the hole distances of two holes are ensured by the precision of two stopping products of the tool, the hole distance of the product can keep higher precision and has good stability, but the utility model clamps and fixes the target by a group of clamping components when in use, so that shake is easy to generate when in use, the precision is insufficient, the product is disqualified, and the working efficiency is reduced.

Disclosure of Invention

In order to overcome the structural defects in the prior art, the utility model provides a hole pitch processing clamp for lathe taper holes.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a pitch of hole adds clamping apparatus of lathe taper hole, includes the clamp main part, clamp main part global fixed mounting has multiunit clamping assembly, clamping assembly equidistance is installed in clamp main part global, clamp main part middle part is equipped with and props the subassembly that expands, prop the subassembly that expands and be located between the multiunit clamping assembly, prop the subassembly that expands including first extension piece, second extension piece, third extension piece and fourth extension piece, first extension piece, second extension piece, third extension piece and fourth extension piece are close to clamping assembly one end and are the arc, do not contact each other between first extension piece, second extension piece, third extension piece and the fourth extension piece, first extension piece, second extension piece, third extension piece and fourth extension piece bottom are fixed mounting respectively has the slide bar.

Preferably, the middle part of the expanding assembly is provided with an adjusting nut, the adjusting nut is an inner hexagon screw, and the adjusting nut is in transmission connection with a first extending block, a second extending block, a third extending block and a fourth extending block.

Preferably, the base surfaces of the first extension block, the second extension block, the third extension block and the fourth extension block are respectively provided with a plurality of groups of equidistant limit steps.

Preferably, the bottom of the clamp main body is provided with a plurality of groups of limiting sliding grooves, sliding rods are connected inside the limiting sliding grooves in a sliding mode, and a plurality of groups of buckles are installed on opposite surfaces of the output end of the clamp main body at equal intervals.

Preferably, the clamping assembly comprises a pneumatic cylinder, a pneumatic push rod and an arc clamping block, wherein the pneumatic cylinder is fixedly connected with the clamp body, the pneumatic push rod is connected with the pneumatic cylinder in a transmission mode, and the arc clamping block is fixedly installed on one surface, far away from the pneumatic cylinder, of the pneumatic push rod.

Preferably, one end of the pneumatic cylinder far away from the middle part of the clamp main body is in through connection with an air pipe, and the air pipe is in through connection with the clamping gap.

Compared with the prior art, the utility model has the following beneficial effects: therefore, when the device is used, firstly, a worker should place a workpiece between the clamping assembly and the expansion assembly, and can further have the size of the workpiece, and place the workpiece on limit steps at different positions, so that the worker needs to manually tighten the adjusting nut, and the first expansion block, the second expansion block, the third expansion block and the fourth expansion block on the expansion assembly are expanded outwards, so that the workpiece is first and fixedly arranged, and then the worker can open an electric air valve of the air pressure tank, so that the air pressure in the air pressure tank is transmitted to the air pressure tank through an air pipe, so as to push the air pressure push rod, so that the air pressure push rod pushes the arc clamping block, and then the target workpiece is secondarily fixed, and the device can double fix the target workpiece, so that the accuracy is improved to a certain extent.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of a partial structure of the present utility model.

FIG. 3 is a schematic view of the expansion assembly of the present utility model.

Fig. 4 is a schematic bottom view of the clamp body according to the present utility model.

Wherein: 1. a clamp body; 2. a first extension block; 3. a second extension block; 4. a third extension block; 5. a fourth extension block; 6. a slide bar; 7. an adjusting nut; 8. limiting steps; 9. limiting sliding grooves; 10. a buckle; 11. a pneumatic cylinder; 12. an air pressure push rod; 13. an arc-shaped clamping block; 14. and an air pipe.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples

As shown in fig. 1-4, the utility model provides a hole pitch processing clamp for lathe taper holes, comprising a clamp main body 1, wherein a plurality of groups of clamping components are fixedly arranged on the peripheral surface of the clamp main body 1, the clamping components are equidistantly arranged on the peripheral surface of the clamp main body 1, a supporting and expanding component is arranged in the middle of the clamp main body 1 and is positioned among the plurality of groups of clamping components, the supporting and expanding component comprises a first extending block 2, a second extending block 3, a third extending block 4 and a fourth extending block 5, one end, close to the clamping components, of the first extending block 2, the second extending block 3, the third extending block 4 and the fourth extending block 5 is arc-shaped, sliding rods 6 are respectively and fixedly arranged at the bottoms of the first extending block 2, the second extending block 3, the third extending block 4 and the fourth extending block 5, when the device is used, firstly, a worker should put a workpiece between the clamping component and the expanding component and can have the size of the workpiece, and put the workpiece on the limiting ladder 8 at different positions, so that the worker needs to manually tighten the adjusting nut 7, and the first extending block 2, the second extending block 3, the third extending block 4 and the fourth extending block 5 on the expanding component are outwards expanded, so that the workpiece is first and heavily fixed, and then the worker can open an electric air valve of the air pressure tank, so that the air pressure in the air pressure tank is transferred to the air pressure tank 11 through the air pipe 14, so as to push the air pressure push rod 12, so that the air pressure push rod 12 pushes the arc clamping block 13, and then the target workpiece is secondarily fixed, so that the device double-fixes the target workpiece, can improve the accuracy to a certain extent.

In this embodiment, specifically, prop the subassembly middle part that expands and be adjusting nut 7, adjusting nut 7 is the hexagon socket head cap screw, adjusting nut 7 transmission is connected with first extension piece 2, second extension piece 3, third extension piece 4 and fourth extension piece 5, and adjusting nut 7 can adjust the position of first extension piece 2, second extension piece 3, third extension piece 4 and fourth extension piece 5.

In this embodiment, specifically, the base surfaces on the first extension piece 2, the second extension piece 3, the third extension piece 4 and the fourth extension piece 5 are respectively provided with a plurality of groups of equidistant spacing steps 8, and the spacing steps 8 of the device can play a spacing role on the workpiece.

In this embodiment, specifically, the bottom of the clamp body 1 is provided with a plurality of groups of limiting sliding grooves 9, the inside of the limiting sliding grooves 9 is slidably connected with a sliding rod 6, a plurality of groups of buckles 10 are equidistantly installed on opposite surfaces of the output end of the clamp body, and the sliding rod 6 can slide inside the limiting sliding grooves 9.

In this embodiment, specifically, the clamping assembly is including pneumatic cylinder 11, pneumatic push rod 12 and arc grip block 13, pneumatic cylinder 11 is fixed to be connected with anchor clamps main part 1, the inside transmission of pneumatic cylinder 11 is connected with pneumatic push rod 12, pneumatic push rod 12 keeps away from pneumatic cylinder 11 one side fixed mounting and has arc grip block 13, and the device staff need open the electronic pneumatic valve of pneumatic cylinder when using to make pneumatic cylinder inside atmospheric pressure transmit for pneumatic cylinder 11 through trachea 14, thereby promote pneumatic push rod 12, thereby make pneumatic push rod 12 promote arc grip block 13, and then carry out the secondary to the target work piece and fix.

In this embodiment, specifically, one end of the pneumatic cylinder 11 far away from the middle part of the clamp body 1 is connected with an air pipe 14 in a penetrating manner, the air pipe 14 is connected to the gap of the buckle 10 in a penetrating manner, and the air pipe 14 mainly serves to transmit air to the pneumatic cylinder 11.

Working principle: when the device is used, firstly, a worker should place a workpiece between the clamping assembly and the expanding assembly and can further have the size of the workpiece, and place the workpiece on the limiting ladder 8 at different positions, so that the worker needs to manually tighten the adjusting nut 7, the first extending block 2, the second extending block 3, the third extending block 4 and the fourth extending block 5 on the expanding assembly are outwards expanded, the workpiece is first fixed again, then the worker can open an electric air valve of the air pressure tank, so that the air pressure in the air pressure tank is transferred to the air pressure tank 11 through the air pipe 14, and the air pressure push rod 12 is pushed, so that the air pressure push rod 12 pushes the arc clamping block 13, and then the target workpiece is secondarily fixed, and therefore, the device can double-fix the target workpiece, and the accuracy is improved to a certain extent.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a pitch processing anchor clamps of lathe taper hole, includes anchor clamps main part (1), its characterized in that: the clamp comprises a clamp body (1), a plurality of groups of clamping assemblies are fixedly arranged on the periphery of the clamp body (1), expansion assemblies are arranged in the middle of the clamp body (1), the expansion assemblies are located among the groups of clamping assemblies, each expansion assembly comprises a first expansion block (2), a second expansion block (3), a third expansion block (4) and a fourth expansion block (5), one end, close to the clamping assemblies, of each of the first expansion block (2), the second expansion block (3), the third expansion block (4) and the fourth expansion block (5) is arc-shaped, the first expansion block (2), the second expansion block (3), the third expansion block (4) and the fourth expansion block (5) are not contacted with each other, and slide bars (6) are fixedly arranged at the bottoms of the first expansion block (2), the second expansion block (3), the third expansion block (4) and the fourth expansion block (5) respectively.

2. The gauge machining fixture for lathe taper holes of claim 1, wherein: the middle part of the expanding assembly is provided with an adjusting nut (7), the adjusting nut (7) is an inner hexagon screw, and the adjusting nut (7) is in transmission connection with a first extending block (2), a second extending block (3), a third extending block (4) and a fourth extending block (5).

3. The gauge machining fixture for lathe taper holes of claim 1, wherein: the base surfaces of the first extension block (2), the second extension block (3), the third extension block (4) and the fourth extension block (5) are respectively provided with a plurality of groups of equidistant limiting steps (8).

4. The gauge machining fixture for lathe taper holes of claim 1, wherein: the clamp is characterized in that a plurality of groups of limiting sliding grooves (9) are formed in the bottom of the clamp body (1), sliding rods (6) are connected inside the limiting sliding grooves (9) in a sliding mode, and a plurality of groups of buckles (10) are mounted on opposite faces of the output end of the clamp body at equal intervals.

5. The gauge machining fixture for lathe taper holes of claim 1, wherein: the clamping assembly comprises a pneumatic cylinder (11), a pneumatic push rod (12) and an arc-shaped clamping block (13), wherein the pneumatic cylinder (11) is fixedly connected with the clamp main body (1), the pneumatic push rod (12) is connected with the pneumatic cylinder (11) in a transmission mode, and the arc-shaped clamping block (13) is fixedly installed on one surface, far away from the pneumatic cylinder (11), of the pneumatic push rod (12).

6. The hole pitch machining fixture for lathe taper holes according to claim 5, wherein: one end of the pneumatic cylinder (11), far away from the middle part of the clamp main body (1), is in through connection with an air pipe (14), and the air pipe (14) is in through connection with a gap of the buckle (10).