CN220575380U

CN220575380U - Punching positioning device for numerical control machine tool for producing connecting sleeve

Info

Publication number: CN220575380U
Application number: CN202321773994.1U
Authority: CN
Inventors: 潘月娥; 李建成; 陈军; 吴雄智
Original assignee: Jiangsu Yijun Heavy Industry Machinery Manufacturing Co ltd
Current assignee: Jiangsu Yijun Heavy Industry Machinery Manufacturing Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-03-12
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses a punching and positioning device for a numerical control machine tool for producing a connecting sleeve, which comprises a positioning frame and a protective cover arranged above the positioning frame, wherein a pair of clamping blocks are symmetrically arranged in the middle of the positioning frame, penetrate through a rectangular opening at the bottom of the protective cover and go deep into the inner side of the protective cover, and an adjusting assembly is arranged below the clamping blocks so as to control the two clamping blocks to be mutually close to or far away from each other; the protective cover consists of an inner cover, a bottom plate arranged at the bottom of the inner cover and a telescopic outer cover sleeved outside the inner cover. According to the utility model, the protective cover is arranged on the outer side of the clamping block, so that when a workpiece to be punched is punched, waste scraps generated by punching are prevented from splashing, the waste scraps can be uniformly collected and are convenient for post-treatment, the situation that the waste scraps splash out to hurt people is prevented, the whole punching operation is safer, and meanwhile, the protective cover can be telescopically adjusted, so that the height of the connecting sleeve with different lengths can be adaptively adjusted, and the use flexibility is higher.

Description

Punching positioning device for numerical control machine tool for producing connecting sleeve

Technical Field

The utility model relates to the technical field of punching positioning devices, in particular to a punching positioning device for a numerical control machine tool for producing a connecting sleeve.

Background

In the production process of the connecting sleeve, a numerical control machine tool is required to be used for punching the connecting sleeve. The existing numerical control machine tool needs to conduct punching work when processing parts, and when punching, the workpiece needs to be fixed, but the existing fixing mode is unstable, so that shaking occurs easily when punching is conducted, and the punching effect is affected.

For this reason, a number of automatic positioning and punching devices such as a numerical control machine tool with application number 202221328337.1 are produced on the market, which effectively fix a workpiece by arranging a clamping assembly, and improve the stability of the workpiece during punching.

However, the existing punching positioning clamping assembly is mostly exposed on a processing table of the numerical control machine tool, the periphery of the existing punching positioning clamping assembly is free of shielding, when the punching operation is carried out on a processed workpiece, the drill bit drills into the processed workpiece to bring out scraps, and the scraps can splash around the processing table of the numerical control machine tool under the driving of the drill bit rotating at a high speed, so that the collection of the scraps is not facilitated, and the possibility of hurting people exists.

Therefore, we propose a punching and positioning device for a connecting sleeve production numerical control machine tool, which solves the problems.

Disclosure of Invention

The utility model aims to provide a punching and positioning device for a connecting sleeve production numerical control machine tool, which solves the problems that the existing punching and positioning clamping assembly proposed in the background art is mostly exposed on a processing table of the numerical control machine tool, the periphery is not shielded, when a processed workpiece is punched, a drill bit drills into the processed workpiece to bring waste scraps, and the waste scraps can splash around the processing table of the numerical control machine tool under the drive of the drill bit rotating at a high speed, so that the collection of the waste scraps is not facilitated, and the possibility of hurting people exists.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the punching and positioning device for the connecting sleeve production numerical control machine tool comprises a positioning frame and a protective cover arranged above the positioning frame, wherein a pair of clamping blocks are symmetrically arranged in the middle of the positioning frame, penetrate through a rectangular opening at the bottom of the protective cover and penetrate into the inner side of the protective cover, and an adjusting assembly is arranged below the clamping blocks so as to control the two clamping blocks to be mutually close to or far away from each other;

the protective cover consists of an inner cover, a bottom plate arranged at the bottom of the inner cover and a telescopic outer cover sleeved outside the inner cover.

In a further embodiment, the upper end surface of the positioning frame is provided with a square caulking groove, and the size of the caulking groove is matched with the size of the lower port of the inner cover.

In a further embodiment, racks are symmetrically fixed to the outer walls of the two sides of the inner cover, and rotatable gears meshed with the racks are symmetrically mounted to the inner wall of the outer cover.

In a further embodiment, the gear is connected with the outer cover through a rotating rod, the rotating rod is fixed with the outer cover and is rotationally connected with the gear, and a resistance sleeve is sleeved in a gap between the rotating rod and the gear.

In a further embodiment, the bottom plate is rotatably connected with the lower edge of the inner cover through a rotating shaft, a torsion spring is sleeved on the outer side of the rotating shaft, and the end part of the lower edge of the inner cover protrudes towards the rotating shaft to form a limiting block so as to control the bottom plate to be unable to rotate downwards.

In a further embodiment, the adjusting component is composed of a nut fixed below the clamping block, a double-headed screw penetrating through the nut, a sliding sleeve parallelly fixed on one side of the nut and a polished rod penetrating through the sliding sleeve, the double-headed screw is rotationally connected with the positioning frame, and an adjusting button is installed at one end of the double-headed screw penetrating out of the positioning frame.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the protective cover is arranged on the outer side of the clamping block, the periphery of the protective cover bulges, so that when a workpiece to be punched is punched, a punching processing operation area is protected, waste scraps generated by punching are prevented from splashing, the waste scraps can be uniformly collected and are convenient for post-treatment, the situation that the waste scraps splashed out to hurt people is prevented, the whole punching operation is safer, and meanwhile, the protective cover can be telescopically adjusted, so that the height of the connecting sleeve with different lengths can be adaptively adjusted, and the use flexibility is higher.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the internal perspective structure of the positioning frame of the present utility model;

FIG. 3 is a schematic diagram of the front cross-sectional structure of the protective cover of the present utility model;

FIG. 4 is a schematic view of a partially enlarged cross-sectional structure of the junction of the bottom plate and the inner cover of the present utility model.

In the figure: 1. a positioning frame; 11. a caulking groove; 2. a protective cover; 21. an inner cover; 211. a rack; 212. a limiting block; 22. an outer cover; 221. a gear; 222. a rotating rod; 223. a resistance sleeve; 23. a bottom plate; 231. a torsion spring; 3. clamping blocks; 4. a nut; 5. a double-ended screw; 6. a sliding sleeve; 7. a polish rod; 8. an adjusting button.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a punching and positioning device for a connecting sleeve production numerical control machine tool comprises a positioning frame 1, wherein the positioning frame 1 is used for being installed and connected with a processing table (not shown in the figure) of the numerical control machine tool, a pair of clamping blocks 3 are symmetrically installed in the middle of the positioning frame 1 for conveniently fixing the connecting sleeve, a set of adjusting components are installed below the two clamping blocks 3, each adjusting component consists of a nut 4 fixed below each clamping block 3, a double-end screw 5 penetrating through the two nuts 4 at the same time, a sliding sleeve 6 parallelly fixed on one side of each nut 4 and a polished rod 7 penetrating through the two sliding sleeves 6, the nuts 4 are in threaded connection with the double-end screw 5, two ends of the double-end screw 5 are in rotary connection with the positioning frame 1, the threads of the two ends of the double-end screw 5 are opposite in directions, an adjusting button 8 is installed at one end of the double-end screw 5 penetrating out of the positioning frame 1, and when the double-end screw 5 is driven to rotate by rotating the adjusting button 8, the two nuts 4 are enabled to move close to each other or move away from each other along the double-end screw 5, and the distance between the two clamping blocks 3 is adjusted, so that the clamping blocks are enabled to be in a cylindrical clamping structure with the clamping blocks 3, and the clamping sleeve is enabled to be more stable in consideration of the fact that the clamping blocks are arranged.

Referring to fig. 1, considering that the drill bit can carry out scraps during punching, the scraps are not easy to collect and splash easily to hurt workers, the outer sides of the clamping blocks 3 are sleeved with the protective cover 2, the two clamping blocks 3 penetrate through the rectangular opening at the bottom of the protective cover 2 to penetrate into the inner side of the protective cover 2, the periphery of the protective cover 2 is raised upwards, and a processing area is further protected.

Referring to fig. 3, in order to improve the flexibility of using the protection cover 2, the protection cover 2 is composed of an inner cover 21, a bottom plate 23 installed at the bottom of the inner cover 21, and a telescopic outer cover 22 sleeved outside the inner cover 21, wherein racks 211 are symmetrically fixed on two outer walls of the inner cover 21, rotatable gears 221 engaged with the racks 211 are symmetrically installed on inner walls of the outer cover 22, and the gears 221 are driven to rotate along the racks 211 by pulling up the outer cover 22, so that the telescopic distance between the outer cover 22 and the inner cover 21 can be adjusted, so that the protection cover is suitable for processing connecting sleeves with different sizes.

Referring to fig. 3, in order to prevent the gear 221 from rotating under the gravity action of the outer cover 22, the gear 221 is connected with the outer cover 22 through a rotating rod 222, the rotating rod 222 is fixed with the outer cover 22, the rotating rod 222 is rotationally connected with the gear 221, a resistance sleeve 223 is sleeved in a gap between the rotating rod 222 and the gear 221, the resistance sleeve 223 is clamped between the rotating rod 222 and the gear 221, and provides resistance to the rotation of the gear 221, so that the problem of automatic rotation is avoided, and the outer cover 22 is pushed and pulled by an external force of a worker to adjust.

Referring to fig. 2 and 4, in order to facilitate the treatment of the waste scraps collected inside the protective cover 2, a circular caulking groove 11 is formed in the upper end surface of the positioning frame 1, the size of the caulking groove 11 is identical to the size of the lower port of the inner cover 21, so that the inner cover 21 can be clamped into the caulking groove 11, and then is installed and connected with the positioning frame 1, the dismounting is convenient, the bottom plate 23 is rotatably connected with the lower edge of the inner cover 21 through a rotating shaft, two bottom plates 23 are rotatably installed at the bottom of the inner cover 21, a gap is reserved between the two bottom plates 23, the clamp block 3 is convenient to pass through, the lower edge end of the inner cover 21 protrudes towards the rotating shaft to form a limiting block 212, so that the bottom plate 23 cannot rotate downwards, when the two bottom plates 23 rotate upwards, the gap is gradually increased, so that the clamp block 3 is convenient to be integrally separated from the bottom plate 23, and simultaneously, when the protective cover 2 is completely separated from the positioning frame 1, the waste scraps can be guided into the side wall of the inner cover 21 to be stored, and the waste scraps inside the protective cover 2 can be dumped through the rotating shaft, so that the bottom plate 23 is convenient to automatically restore the bottom plate 23, and the torsion spring 231 is arranged, and the torsion spring 231 is rotated upwards, and the torsion spring 231 is released when the bottom plate 231 is rotated upwards.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A protection casing (2) that is used for adapter sleeve production digit control machine tool positioner that punches, including locating rack (1) and setting in locating rack (1) top, its characterized in that: a pair of clamping blocks (3) are symmetrically arranged in the middle of the positioning frame (1), the pair of clamping blocks (3) penetrate through a rectangular opening at the bottom of the protective cover (2) and penetrate into the inner side of the protective cover (2), and an adjusting component is arranged below the clamping blocks (3) so as to control the two clamping blocks (3) to be close to or far away from each other;

the protective cover (2) consists of an inner cover (21), a bottom plate (23) arranged at the bottom of the inner cover (21) and a telescopic outer cover (22) sleeved outside the inner cover (21).

2. The perforating and positioning device for the connecting sleeve production numerical control machine tool according to claim 1, wherein: the upper end face of the locating frame (1) is provided with a square caulking groove (11), and the size of the caulking groove (11) is matched with the size of the lower port of the inner cover (21).

3. The perforating and positioning device for the connecting sleeve production numerical control machine tool according to claim 1, wherein: the rack (211) is symmetrically fixed on the outer walls of the two sides of the inner cover (21), the gear (221) is symmetrically rotatably arranged on the inner wall of the outer cover (22), and the gear (221) is meshed with the rack (211).

4. A punch positioning device for a connecting sleeve production numerical control machine tool according to claim 3, characterized in that: the gear (221) is connected with the outer cover (22) through a rotating rod (222), the rotating rod (222) is fixed with the outer cover (22), the rotating rod (222) is rotationally connected with the gear (221), and a resistance sleeve (223) is sleeved in a gap between the rotating rod (222) and the gear (221).

5. The perforating and positioning device for the connecting sleeve production numerical control machine tool according to claim 1, wherein: the bottom plate (23) is rotatably connected with the lower edge of the inner cover (21) through a rotating shaft, a torsion spring (231) is sleeved on the outer side of the rotating shaft, and the end part of the lower edge of the inner cover (21) protrudes towards the rotating shaft to form a limiting block (212) so as to control the bottom plate (23) to be unable to rotate downwards.

6. The perforating and positioning device for the connecting sleeve production numerical control machine tool according to claim 1, wherein: the adjusting component consists of a nut (4) fixed below the clamping block (3), a double-end screw (5) penetrating through the nut (4), a sliding sleeve (6) parallelly fixed on one side of the nut (4) and a polish rod (7) penetrating through the sliding sleeve (6), wherein the double-end screw (5) is rotationally connected with the positioning frame (1), and an adjusting button (8) is arranged at one end of the double-end screw (5) penetrating out of the positioning frame (1).