CN220480946U

CN220480946U - Clamp capable of being switched rapidly for CNC

Info

Publication number: CN220480946U
Application number: CN202322075143.6U
Authority: CN
Inventors: 董黎菲
Original assignee: Chengdu Ald Aviation Manufacturing Corp
Current assignee: Chengdu Ald Aviation Manufacturing Corp
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-02-13
Anticipated expiration: 2033-08-03

Abstract

The utility model relates to the field of tool clamps, and discloses a clamp capable of being quickly switched for CNC (computer numerical control), which comprises a bottom plate and a tray, wherein the tray is fixed on the bottom plate and is used for clamping a part blank, guide posts are arranged at the position, close to the edge, of the bottom plate, the guide posts are distributed along the transverse central line of the guide posts, guide holes matched with the guide posts are formed in the bottom of the tray, the guide posts inserted into the guide holes are in a circular truncated cone shape, B countersunk through holes communicated with the guide holes are formed in the tray, the large ends of the countersunk through holes are far away from the guide holes, and A bolts screwed into the guide posts are arranged in the countersunk through holes. The beneficial effects of the utility model are as follows: the idle waiting processing time of the machine tool is reduced, the machine tool clamps a part blank on the second tray outside the machine tool when the machine tool processes the part, and when the part processing in the machine tool is finished, the two trays inside and outside the machine tool can be rapidly switched to continue processing, so that the idle waiting processing time of the machine tool is greatly reduced.

Description

Clamp capable of being switched rapidly for CNC

Technical Field

The utility model relates to the field of tool clamps, in particular to a clamp capable of being rapidly switched for CNC.

Background

In view of low unit price of small parts, large batch, high hour rate of a machine tool, low processing efficiency by adopting a general process scheme (namely, processing by clamping a part blank by a traditional clamp), long waiting time of the machine tool, difficult control cost, and large workload of an operator, such as a main board, a plurality of clamping blocks and an adjusting component in Chinese patent (issued patent number: CN 212122449U: CNC clamp), wherein the main board is provided with mounting holes and mounting grooves, the mounting holes are arranged at two ends of the mounting grooves, the inner wall of each mounting hole is horizontally provided with a sliding groove, two sides of each clamping block are provided with bosses matched with the sliding grooves, and the bosses are arranged in the sliding grooves to enable the clamping blocks to move along the direction of the sliding grooves. The beneficial effects are that: according to the utility model, the adjusting assembly is adopted to simultaneously control the movement of the clamping blocks to clamp products, and the clamping is not needed one by one like the prior art, on the other hand, the operation of the adjusting assembly is simple and quick, and only the adjusting screw on the adjusting assembly is required to be locked or unscrewed, so that the clamping and the loosening of the clamping blocks are controlled, and the time and the manpower are saved to a great extent, but the following defects are caused:

1. the machine tool is internally provided with the clamping parts, and at the moment, the machine tool is in an idle waiting processing state, and belongs to resource waste. The manufacturing cycle of the parts is long and the cost is high. Especially for small parts, the clamping time is close to the machining time.

2. Different parts correspond to different special fixtures, the fixture switching time is long when different parts are processed, and the processing efficiency is further reduced.

Disclosure of Invention

The utility model aims to provide a clamp capable of being switched rapidly for CNC, so as to overcome the defects in the prior art.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a but anchor clamps of quick switch for CNC, includes bottom plate and tray, the A countersunk through-hole has all been seted up to the four corners department of bottom plate, tray demountable installation is in on the bottom plate, the tray is used for clamping the part blank, the bottom plate is close to edge and installs the guide post, the guide post is a pair of and distributes along its horizontal central line, the bottom of tray seted up with the guiding hole of guide post looks adaptation inserts in the guiding hole the guide post is round platform form, set up on the tray with the B countersunk through-hole of guiding hole intercommunication, the large end of countersunk through-hole is kept away from the guiding hole, install in the countersunk through-hole and twist the A bolt of guide post.

Preferably, the four corners of the bottom of the tray are provided with A locating holes, the bottom plate is provided with A locating pins corresponding to the locating holes, and the top ends of the A locating pins are located above the top ends of the guide posts.

Preferably, the part blank is provided with a pair of B locating holes near the edge, the B locating holes are distributed along the transverse central line of the part blank, and the tray is provided with B locating pins corresponding to the B locating holes.

Preferably, two groups of threaded holes are formed in the part blank, the two groups of threaded holes are respectively located at two sides of a connecting line of the B locating holes, the threaded holes in the same group are distributed transversely to the part blank, C countersunk through holes corresponding to the threaded holes are formed in the tray, the large end of each C countersunk through hole is located at the bottom of the tray, and B bolts screwed into the threaded holes are arranged in the B countersunk through holes.

Preferably, handles are detachably mounted on the side walls of the tray, and the handles are a pair and are respectively positioned on two opposite side walls of the tray.

Preferably, the guide post comprises big section and minor segment, the minor segment is round platform form, set up D countersunk head through-hole on the bottom plate, the guide post passes through C bolt fastening in the D countersunk head through-hole.

The utility model has the following advantages:

1. the idle waiting processing time of the machine tool is reduced, the machine tool clamps a part blank on the second tray outside the machine tool when the machine tool processes the part, and when the part processing in the machine tool is finished, the two trays inside and outside the machine tool can be rapidly switched to continue processing, so that the idle waiting processing time of the machine tool is greatly reduced.

2. The clamp switching time is reduced, compared with the special clamp for processing different parts in the traditional processing mode, the clamp has long switching time, and when the clamp is used for processing different parts, only different trays are needed to be selected, the bottom plate is not needed to be replaced, the clamp is switched outside a machine tool, and the machining of the machine tool is not influenced.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of A-A of FIG. 1;

FIG. 4 is a schematic view of the portion B-B of FIG. 1 in partial cutaway;

FIG. 5 is a schematic view of the mounting structure of the guide post;

FIG. 6 is an enlarged partial schematic view of FIG. 3 at C;

in the figure, the bottom plate is 1-, the tray is 2-, the countersunk through hole is 3-A, the guide post is 4-, the guide hole is 5-, the countersunk through hole is 6-B, the bolt is 7-A, the locating pin is 8-A, the locating hole is 9-B, the locating pin is 10-B, the threaded hole is 11-threaded hole, the countersunk through hole is 12-C, the bolt is 13-B, the handle is 14-, the countersunk through hole is 15-D and the bolt is 16-C.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 will be understood in specific cases by those of ordinary skill in the art.

As shown in figures 1-6, a but anchor clamps of quick switch for CNC, including bottom plate 1 and tray 2, the four corners department of bottom plate has all seted up A countersunk through-hole 3, install fastening bolt in the A countersunk through-hole 3 and be used for fixing bottom plate 1 on the workstation, tray 2 demountable installation is on bottom plate 1, tray 2 is used for clamping the part blank, bottom plate 1 is close to edge and installs guide post 4, guide post 4 is a pair of and distributes along its horizontal central line, guide hole 5 with guide post 4 looks adaptation has been seted up to the bottom of tray 2, guide post 4 in inserting the guide hole 5 is the round platform form, set up on the tray 2 with the B countersunk through-hole 6 of guide hole 5 intercommunication, countersunk through-hole's big end is kept away from guide hole 5, install in the countersunk through-hole and screw in the A bolt 7 of guide post 4, not only reduced the lathe idle wait for the process time, the lathe is when processing the part, the second tray 2 clamping blank of lathe, the part is accomplished in the standby bed, can the quick switch outside two tray 2 is a pair of and along its transversal central line distribution, the guide post 4 looks adaptation, guide hole 5 is seted up, the guide post 4 is changed to the lathe is cut off, the idle time has been changed to the lathe, the lathe has been compared in the lathe has not been changed greatly, and the lathe has been changed the lathe has been compared the lathe and has been used to the lathe has been changed the machine tool, and has been compared the machine tool has been changed the machine tool to the machine tool.

In this embodiment, as shown in fig. 4 and 5, the four corners of the bottom of the tray 2 are provided with a positioning hole a, the bottom plate 1 is provided with a positioning pin a 8 corresponding to the positioning hole a, the top end of the positioning pin a 8 is located above the top end of the guide post 4, the diameter of the positioning hole a is larger than that of the positioning pin a 8, the positioning pin a 8 contacts with the tray 2 first, so that the tray 2 can be prevented from colliding with the guide post 4 when being installed, the tray 2 is initially positioned, and after the positioning pin a 8 is inserted into the positioning hole a, the tray 2 is placed at a preset position on the bottom plate 1 through the cooperation of the guide post 4 and the guide hole 5, and finally the tray 2 is fixed.

In this embodiment, as shown in fig. 1, 3 and 6, the part blank is provided with a pair of B positioning holes 9 near the edge, the B positioning holes 9 are distributed along the transverse center line of the pair of B positioning holes, and the tray 2 is provided with B positioning pins 10 corresponding to the B positioning holes 9, so that the part blank can be quickly positioned at a predetermined position of the tray 2.

In this embodiment, as shown in fig. 1 and 4, two groups of threaded holes 11 are formed in a part blank, the two groups of threaded holes 11 are respectively located at two sides of a connecting line of the B positioning holes 9, the threaded holes 11 in the same group are all distributed in the transverse direction of the part blank, a C countersunk through hole 12 corresponding to the threaded holes 11 is formed in the tray 2, the large end of the C countersunk through hole 12 is located at the bottom of the tray 2, a B bolt 13 screwed into the threaded holes 11 is installed in the C countersunk through hole 12, the part blank is fixed on the tray 2 through the B bolt 13, and the position of the part blank is prevented from shifting during processing.

In this embodiment, as shown in fig. 1 and 4, handles 14 are detachably mounted on the side walls of the tray 2, and the handles 14 are a pair and are respectively located on two opposite side walls of the tray 2, so that the tray 2 can be conveniently taken out.

In this embodiment, as shown in fig. 1, the guide post 4 is composed of a large segment and a small segment, the small segment is in a shape of a circular truncated cone, a D countersunk through hole 15 is formed in the bottom plate 1, the guide post 4 is fixed in the D countersunk through hole 15 through a C bolt 16, and the guide post is fastened in installation and is convenient to replace after being damaged.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a but anchor clamps of quick switch that CNC was used, includes bottom plate (1) and tray (2), A countersunk through-hole (3) have all been seted up in the four corners department of bottom plate (1), tray (2) demountable installation is in on bottom plate (1), tray (2) are used for clamping part blank, its characterized in that: the bottom plate (1) is close to edge and installs guide post (4), guide post (4) be a pair of and along its horizontal central line distribution, offered bottom of tray (2) with guide hole (5) of guide post (4) looks adaptation insert in guide hole (5) guide post (4) are round platform form, offer on tray (2) with B countersunk head through-hole (6) of guide hole (5) intercommunication, the big end of B countersunk head through-hole (6) is kept away from guide hole (5), install in B countersunk head through-hole (6) screw in A bolt (7) of guide post (4).

2. A quick switchable fixture for CNC according to claim 1, wherein: a locating hole is all seted up in the bottom four corners of tray (2), install on bottom plate (1) with A locating pin (8) that the locating hole corresponds, the top of A locating pin (8) is located the top of guide post (4).

3. A quick switchable fixture for CNC according to claim 1, wherein: b locating holes (9) are formed in the part blank near the edge, the B locating holes (9) are distributed in a pair along the transverse central line of the part blank, and B locating pins (10) corresponding to the B locating holes (9) are mounted on the tray (2).

4. A quick switchable fixture for CNC according to claim 3, wherein: two groups of threaded holes (11) are formed in the part blank, the two groups of threaded holes (11) are respectively located on two sides of a connecting line of the B locating holes (9), the threaded holes (11) in the same group are all distributed transversely to the part blank, C countersunk through holes (12) corresponding to the threaded holes (11) are formed in the tray (2), the large end of each C countersunk through hole (12) is located at the bottom of the tray (2), and B bolts (13) screwed into the corresponding threaded holes (11) are arranged in the corresponding C countersunk through holes (12).

5. A quick switchable CNC clamp according to any one of claims 1 to 4, wherein: handles (14) are detachably arranged on the side walls of the tray (2), and the handles (14) are a pair and are respectively positioned on two opposite side walls of the tray (2).

6. A quick switchable fixture for CNC according to claim 1, wherein: the guide post (4) is composed of a large section and a small section, the small section is in a round table shape, a D countersunk through hole (15) is formed in the bottom plate (1), and the guide post (4) is fixed in the D countersunk through hole (15) through a C bolt (16).