CN211516718U

CN211516718U - Quick clamping machine tool clamp for numerical control machine tool

Info

Publication number: CN211516718U
Application number: CN201922027012.4U
Authority: CN
Inventors: 何大洪
Original assignee: Tianjin Hengchangyu Cnc Technology Co ltd
Current assignee: Tianjin Hengchangyu Cnc Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-09-18
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a quick-clamping machine tool fixture for a numerical control machine tool, which belongs to the field of machine tool fixtures and comprises a fixed table, wherein the upper end of the fixed table is fixedly connected with a pair of fixed frames, a first chute is drilled inside the fixed frames, a first slide block is slidably connected in the first chute, the outer side of the fixed frames is in threaded connection with a locking bolt, one end of the first slide block, which is close to each other, is fixedly connected with an electric push rod, the output end of the electric push rod is connected with a fixed plate, a working cavity is drilled inside the fixed table, a second chute is drilled inside the working cavity, a pair of second slide blocks are slidably connected in the second chute, the upper end of each second slide block is fixedly connected with a connecting rod, the upper end of the connecting rod is fixedly connected with a puller plate, the connecting rod is fixedly connected with a toothed bar, and the connecting rod can fix, the fixing effect is good in the clamping process, and the deformation of the die is not easy to cause.

Description

Quick clamping machine tool clamp for numerical control machine tool

Technical Field

The utility model relates to a machine tool clamp field, more specifically say, relate to a quick clamping's machine tool clamp for digit control machine tool.

Background

A machine tool holder is a device on a machine tool for holding a workpiece and guiding a tool. Which is a jig specially designed for a certain process of a certain workpiece. Its advantages are compact structure, quick and convenient operation, high machining precision and productivity, long design and manufacture period and high cost. When the product is changed, the clamp will be rejected as no longer usable. Is only suitable for the fixed and large-batch production of products. It is in contact with the positioning references of the workpiece for determining the correct position of the workpiece in the holder, thus ensuring a correct relative position of the workpiece with respect to the tool and the machining movement of the machine tool during machining.

The special fixture is specially designed for a certain procedure of a certain workpiece. Its advantages are compact structure, quick and convenient operation, high machining precision and productivity, long design and manufacture period and high cost. When the product is changed, the clamp will be rejected as no longer usable. Is only suitable for the fixed and large-batch production of products.

The common clamp clamps two sides of a mold through clamping plates, and has hollow and solid molds, like the common clamp cannot stably clamp a C-shaped or other hollow molds, the fixing effect is poor in the clamping process, and the deformation of the mold is easily caused.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a quick clamping's lathe fixture is used to digit control machine tool, it can realize can be fixed C type or other hollow moulds, and is fixed effectual in clamping process, and is difficult to arouse the deformation of mould.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A quick-clamping machine tool fixture for a numerical control machine tool comprises a fixed table, wherein a pair of fixed frames is fixedly connected to the upper end of the fixed table, a first sliding groove is formed in each fixed frame, a first sliding block is connected in each first sliding groove in a sliding mode, a locking bolt is connected to the outer side of each fixed frame in a threaded mode, one end, close to each other, of each first sliding block is fixedly connected with an electric push rod, the output end of each electric push rod is connected with a fixed plate, a working cavity is formed in each fixed table in a drilling mode, a second sliding groove is formed in each working cavity in a drilling mode, a pair of second sliding blocks are connected in each second sliding groove in a sliding mode, a connecting rod is fixedly connected to the upper end of each second sliding block, a jacking plate is fixedly connected to the upper end of each connecting rod, a pair of tooth rods are fixedly connected to one end, the utility model discloses a fixed station, including work chamber side end wall, pivot, gear and bull stick fixed connection, install the pivot through the bearing on the work chamber side end wall, install the bull stick on the lateral wall of fixed station, and the pivot runs through gear and bull stick fixed connection, the thread groove has been dug to the upper end of fixed station, thread groove female connection has the stall round pin, and it can realize can be fixed C type or other hollow moulds, and is fixed effectual in the centre gripping process, and is difficult to arouse the deformation of mould.

Furthermore, the tooth bars are different in height, the pair of tooth bars are symmetrically distributed around the center of the gear, and the tooth bars move in the opposite direction through the rotation of the gear, so that the position of the jacking plate can be conveniently adjusted.

Furthermore, the fixed plate and the pair of the jacking plates are corresponding cambered surfaces, and the silica gel pads are fixedly connected to the surfaces of the fixed plate and the jacking plates, so that the fixed plate and the jacking plates can be effectively fixed and prevented from slipping.

Furthermore, the electric push rod is fixedly connected with the fixed plate through a bolt, so that the fixed plate can be detached and replaced.

Furthermore, the gear lever is far away from the one end fixedly connected with stopper of the tight board in top, prevents that the tight board in top and gear roll and drop, and carries on spacingly to the tight board in top.

Further, the surface coating of bull stick has the silica gel cover, and the user of being convenient for passes through the bull stick to the spacing operation of mould, and the silica gel cover has the comfortable and anti-skidding effect of feeling.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) it can realize fixing C type or other hollow moulds this scheme, and is fixed effectual in the centre gripping process, and is difficult to arouse the deformation of mould.

(2) The gear rods are different in height, the pair of gear rods are symmetrically distributed around the center of the gear, and the gear rods move in the opposite direction through the rotation of the gear, so that the position of the jacking plate can be conveniently adjusted.

(3) The fixed plate is the cambered surface that corresponds with a pair of puller plate, and the equal fixedly connected with silica gel pad in fixed plate and puller plate corresponding surface, can be effectual fixed antiskid to the mould.

(4) The electric push rod is fixedly connected with the fixed plate through a bolt, and the fixed plate can be detached and replaced.

(5) The one end fixedly connected with stopper of tight board in top is kept away from to the ratch, prevents that tight board in top and gear roll from droing, and carries on spacingly to tight board in top.

(6) The surface coating of bull stick has the silica gel cover, and the user of being convenient for passes through the bull stick to the spacing operation of mould, and the silica gel cover has the comfortable and anti-skidding effect of feeling.

Drawings

Fig. 1 is a schematic top view of the cross-sectional structure of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is a schematic front view of the structure of the present invention.

The reference numbers in the figures illustrate:

the device comprises a fixing table 1, a first sliding groove 2, a first sliding block 3, a locking bolt 4, an electric push rod 5, a second sliding block 6, a fixing plate 7, a silica gel pad 8, a jacking plate 9, a toothed bar 10, a gear 11, a bolt 12, a second sliding groove 13, a limiting block 14, a rotating rod 15 and a rotating stop pin 16.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a quick clamping machine tool fixture for a numerical control machine tool comprises a fixed table 1, a pair of fixed frames is fixedly connected to the upper end of the fixed table 1, a first sliding chute 2 is formed inside the fixed frames, a first sliding block 3 is slidably connected to the first sliding chute 2, a locking bolt 4 is in threaded connection with the outer side of the fixed frame, the first sliding block 3 is fixed through the locking bolt 4, a mold with an obstructed height can be effectively clamped, an electric push rod 5 is fixedly connected to one end of the first sliding block 3 close to each other, an output end of the electric push rod 5 is connected to a fixed plate 7, the electric push rod 5 is fixedly connected to the fixed plate 7 through a bolt 12, the fixed plate can be disassembled and replaced, a second sliding chute 13 is formed inside the fixed table 1, a pair of second sliding blocks 6 is slidably connected to the second sliding chute 13, a pair of connecting rods is fixedly connected to the upper, the fixed plate 7 and a pair of top tight board 9 are the cambered surface that corresponds, and the equal fixedly connected with silica gel pad 8 in fixed plate 7 and the corresponding surperficial of top tight board 9 can be effectual fixed antiskid to the mould.

Referring to fig. 2-3, the upper ends of a pair of connecting rods are fixedly connected with a tightening plate 9, the connecting rods are fixedly connected with toothed bars 10, the toothed bars 10 have different heights, the pair of toothed bars 10 are symmetrically distributed about the center of a gear 11, the toothed bars 10 move in the opposite direction through the rotation of the gear 11, so as to facilitate the adjustment of the position of the tightening plate 9, one end of the toothed bar 10 away from the tightening plate 9 is fixedly connected with a limit block 14, so as to prevent the tightening plate 9 and the gear 11 from rolling off and limit the tightening plate 9, a working cavity is drilled inside a fixed table 1, the gear 11 is installed on the rear end wall of the working cavity, the toothed bar 10 is meshed with the gear 11, a rotating shaft is installed on the side end wall of the working cavity through a bearing, a rotating rod 15 is installed on the outer side wall of the fixed table, the rotating shaft penetrates through the gear 11 and is fixedly connected with the rotating rod 15, the surface of the rotating rod 15 is, and the silica gel cover feels comfortable and plays the antiskid effect, and the upper end of fixed station 1 is opened chisel and is had the thread groove, and thread groove female connection has the rotation stop pin 16.

When the device is used, a mold to be clamped is placed, the rotating rod 15 is rotated, the jacking plates 9 are synchronously and relatively moved through the meshing connection of the toothed rod 10 and the gear 11, the second sliding block 6 slides in the second sliding chute 13, when the pair of jacking plates 9 synchronously approach to the minimum position, a C-shaped or other hollow mold is placed at the upper end of the jacking plate 9, the inner wall of the C-shaped mold faces the surfaces of the pair of jacking plates 9, the rotating rod 15 is rotated again, the pair of jacking plates 9 synchronously move outwards until the surfaces of the jacking plates 9 are attached to the inner wall of the C-shaped mold, the position of the rotating rod 15 is fixed so as to fix the mold, the silica gel pad 8 on the surface of the jacking plate 9 plays a role in skid resistance on the mold, the height of the pair of electric push rods 5 is adjusted so that the first sliding block 3 slides in the first sliding chute 2 and is fixed in a proper position through the locking bolt 4, the fixing plate 7 is fixedly connected with the electric push rods 5 through the bolts 12, can change not fixed plate 7 of equidimension, make fixed plate 7 press from both sides tightly not mould of equidimension and height, it can realize can be fixed C type or other hollow moulds, and is fixed effectual in the clamping process, and is difficult to arouse the deformation of mould.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a quick tight lathe anchor clamps of digit control machine tool, includes fixed station (1), its characterized in that: the upper end of the fixed table (1) is fixedly connected with a pair of fixed frames, a first sliding groove (2) is cut in the fixed frame, a first sliding block (3) is connected in the first sliding groove (2) in a sliding manner, a locking bolt (4) is connected to the outer side of the fixed frame in a threaded manner, one end of the first sliding block (3) close to each other is fixedly connected with an electric push rod (5), the output end of the electric push rod (5) is connected with a fixed plate (7), a working cavity is cut in the fixed table (1), a second sliding groove (13) is cut in the working cavity, a pair of second sliding blocks (6) is connected in the second sliding groove (13) in a sliding manner, a connecting rod is fixedly connected to the upper end of the second sliding block (6), a jacking plate (9) is fixedly connected to the upper end of the connecting rod, one end of the connecting rod, gear (11) are installed to working chamber rear end wall, and ratch (10) are connected with gear (11) meshing, install the pivot through the bearing on the working chamber side end wall, install bull stick (15) on the lateral wall of fixed station, and pivot run through gear (11) and bull stick (15) fixed connection, it has the thread groove to open the chisel in the upper end of fixed station (1), thread groove female connection has only to change round pin (16).

2. The machine tool clamp for rapid clamping of the numerical control machine tool according to claim 1, characterized in that: the heights of the toothed bars (10) are different, and the pair of toothed bars (10) are distributed in a central symmetry mode around the gear (11).

3. The machine tool clamp for rapid clamping of the numerical control machine tool according to claim 1, characterized in that: the fixing plate (7) and the pair of the jacking plates (9) are corresponding cambered surfaces, and the surfaces of the fixing plate (7) corresponding to the jacking plates (9) are fixedly connected with silica gel pads (8).

4. The machine tool clamp for rapid clamping of the numerical control machine tool according to claim 1, characterized in that: the electric push rod (5) is fixedly connected with the fixing plate (7) through a bolt (12).

5. The machine tool clamp for rapid clamping of the numerical control machine tool according to claim 1, characterized in that: and one end of the toothed bar (10) far away from the tightening plate (9) is fixedly connected with a limiting block (14).

6. The machine tool clamp for rapid clamping of the numerical control machine tool according to claim 1, characterized in that: the surface of the rotating rod (15) is wrapped with a silica gel sleeve.