CN214519767U

CN214519767U - Automatic change mechanical fixture

Info

Publication number: CN214519767U
Application number: CN202120538073.1U
Authority: CN
Inventors: 陈寿霞; 吴玉刚; 金培英
Original assignee: Guizhou Equipment Manufacturing Vocational College
Current assignee: Guizhou Equipment Manufacturing Vocational College
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-10-29
Anticipated expiration: 2031-03-15

Abstract

The utility model relates to an automatic change mechanical fixture belongs to machining technical field. This automatic change mechanical fixture, including the work box, the inside of work box is equipped with movable chamber, the vertical first hydraulic stem that is provided with of activity intracavity bottom intermediate position, fixed connection workstation behind the work box is run through on the top of first hydraulic stem, the interior bottom both sides in activity chamber all are equipped with the second hydraulic stem, the one end that the second hydraulic stem is close to first hydraulic stem is provided with first support column, two first support columns run through the top of work box and are connected with the top board, be connected through the elastic component between top board and the first support column, the below of top board is equipped with the side guide, the side guide is fixed on first support column. Has the advantages that: automatic clamping is realized, manual fixation is not needed, and labor is saved; the clamping effect is good through four-side clamping; the auxiliary clamping assembly is configured to clamp irregular or large-size parts.

Description

Automatic change mechanical fixture

Technical Field

The utility model belongs to the technical field of machining, concretely relates to automatic mechanical fixture.

Background

The jig is a device for fixing a machining object to a correct position for receiving construction or inspection in a machine manufacturing process, and in a broad sense, any process in a process for quickly, conveniently and safely mounting a workpiece may be referred to as a jig.

Although the existing clamp avoids the clamping device from moving in the using process and enables the mechanical part clamped and fixed to rotate, the existing clamp is convenient to process and solve the defects or technical problems of the existing product, the clamping device applied to the production of the mechanical part is unstable in clamping and is single in application; waste time and energy, complex structure, need the manual work to carry out the centre gripping, reinforcing workman's intensity of labour.

Therefore, an automatic mechanical clamp is provided to solve the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic mechanical clamp for solving the technical problems, which can automatically clamp without manual fixation, thereby saving labor; the clamping effect is good through four-side clamping; the auxiliary clamping assembly is configured to clamp irregular or large-size parts.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the automatic mechanical fixture comprises a working box, a movable cavity is arranged in the working box, a first hydraulic rod is vertically arranged in the middle of the bottom in the movable cavity, the top end of the first hydraulic rod penetrates through the working box and then is fixedly connected with the working platform, the two sides of the inner bottom of the movable cavity are both provided with second hydraulic rods, one end of the second hydraulic rod, which is close to the first hydraulic rod, is provided with a first support column, the two first support columns penetrate through the top of the working box and are connected with an upper pressure plate, the upper pressure plate is connected with the first supporting column through an elastic piece, a side pressure plate is arranged below the upper pressure plate, the side pressure plates are fixed on the first supporting columns, auxiliary clamping components are arranged on the two first supporting columns, the bottoms of the two first supporting columns are fixedly connected with moving seats, and one side of the inner bottom of the movable cavity is provided with a limiting mechanism for limiting the movement of the movable seat.

Has the advantages that: automatic clamping is realized, manual fixation is not needed, and labor is saved; the clamping effect is good through four-side clamping; the auxiliary clamping assembly is configured to clamp irregular or large-size parts.

Furthermore, rubber protective layers are arranged on the outer walls of the two upper pressing plates and the outer walls of the two side pressing plates.

The beneficial effect of adopting the further scheme is that: the protective effect is achieved on the parts, and the service life of the parts is indirectly prolonged.

Further, supplementary centre gripping subassembly includes second support column, third hydraulic stem, arm and clamp plate, two first support column extends equal fixedly connected with on the outside lateral wall of work box the one end of second support column, two the other end of second support column all articulates the one end of third hydraulic stem, the other end of third hydraulic stem articulates the middle part that has the arm, the one end of arm articulates there is the clamp plate, and the other end articulates on the roof of first support column.

The beneficial effect of adopting the further scheme is that: through the drive of second cylinder, be convenient for carry out the secondary to irregular or large-size part and press from both sides tightly, guarantee to press from both sides tight effectual.

Further, stop gear includes the spacing groove, the spacing groove sets up activity intracavity bottom one side, sliding connection has the stopper in the spacing groove, the top of stopper with remove seat fixed connection.

The beneficial effect of adopting the further scheme is that: the movable seat and the first support column are limited.

Furthermore, both sides of the top of the working box are provided with through holes matched with the first supporting columns.

The beneficial effect of adopting the further scheme is that: the first supporting column is convenient to move left and right, and the clamping part is convenient to clamp.

Further, a cabinet door is arranged outside the working box, and heat dissipation holes are formed in the cabinet door.

The beneficial effect of adopting the further scheme is that: the equipment is convenient to inspect and maintain, and the heat dissipation holes dissipate heat in time.

Further, the bottom of the work box is provided with a movable wheel.

The beneficial effect of adopting the further scheme is that: the movable working position is convenient to move to a proper working position, and labor and time are saved.

Furthermore, a locking piece is arranged on the moving wheel.

The beneficial effect of adopting the further scheme is that: the movable wheel is convenient to lock, and the sliding is prevented.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

fig. 2 is a schematic external structural view of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a work box; 2. a movable cavity; 3. a first support column; 4. a second hydraulic rod; 5. a movable seat; 6. A limiting block; 7. a limiting groove; 8. a first hydraulic lever; 9. a work table; 10. a second support column; 11. an upper pressure plate; 12. side pressing plates; 13. a third hydraulic lever; 14. a mechanical arm; 15. pressing a plate; 16. a through hole; 17. a moving wheel; 18. a cabinet door; 19. and (4) heat dissipation holes.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1 and 2, the present embodiment provides an automated mechanical gripper comprising: the working box comprises a working box 1, wherein a movable cavity 2 is arranged in the working box 1, a first hydraulic rod 8 is vertically arranged at the middle position of the bottom in the movable cavity 2, the top end of the first hydraulic rod 8 penetrates through a fixed connection working table 9 behind the working box 1, second hydraulic rods 4 are arranged on two sides of the bottom in the movable cavity 2, one end, close to the first hydraulic rod 8, of each second hydraulic rod 4 is provided with a first supporting column 3, the two first supporting columns 3 penetrate through the top of the working box 1 and are connected with an upper pressing plate 11, the upper pressing plate 11 is connected with the first supporting columns 3 through an elastic part, a side pressing plate 12 is arranged below the upper pressing plate 11, the side pressing plate 12 is fixed on the first supporting columns 3, auxiliary clamping components are arranged on the two first supporting columns 3, and a moving seat 5 is fixedly connected with the bottoms of the first supporting columns 3, one side of the interior bottom in activity chamber 2 is equipped with and is used for the restriction remove the stop gear that seat 5 removed, stop gear includes spacing groove 7, spacing groove 7 sets up interior bottom one side in activity chamber 2, sliding connection has stopper 6 in the spacing groove 7, stopper 6 the top with remove 5 fixed connection of seat, through stop gear's setting, play limiting displacement to removing seat 5 and first support column 3.

Example 2

As shown in fig. 1 and 2, the present embodiment provides an automated mechanical gripper comprising: the movable support comprises a working box 1, a movable cavity 2 is arranged in the working box 1, a first hydraulic rod 8 is vertically arranged at the middle position of the bottom in the movable cavity 2, the top end of the first hydraulic rod 8 penetrates through a fixed connection working table 9 behind the working box 1, second hydraulic rods 4 are arranged on two sides of the bottom in the movable cavity 2, one end, close to the first hydraulic rod 8, of each second hydraulic rod 4 is provided with a first support column 3, two first support columns 3 penetrate through the top of the working box 1 and are connected with an upper pressure plate 11, the upper pressure plate 11 is connected with the first support columns 3 through an elastic part, the elastic part is specifically a reset spring, a side pressure plate 12 is arranged below the upper pressure plate 11, the side pressure plate 12 is fixed on the first support columns 3, two auxiliary clamping components are arranged on the first support columns 3, and a movable base 5 is fixedly connected with the bottoms of the two first support columns 3, one side of the interior bottom in activity chamber 2 is equipped with and is used for the restriction remove the stop gear that seat 5 removed, stop gear includes spacing groove 7, spacing groove 7 sets up interior bottom one side in activity chamber 2, sliding connection has stopper 6 in the spacing groove 7, stopper 6 the top with remove 5 fixed connection of seat, through stop gear's setting, play limiting displacement to removing seat 5 and first support column 3.

Preferably, in this embodiment, two top board 11 and two the outer wall of side pressure board 12 all is equipped with the rubber protection layer, and the upside area of rubber protection layer is unanimous with the bottom area of top board, and laminates each other between top board 11 and the rubber protection layer for top board 11 and article contact surface are given by the rubber protection layer and are covered, are favorable to the protection to top board 11, laminate each other, make in clamping process, top board 11 provides the support for the rubber protection layer, make the rubber protection layer can not lead to the fracture because of fixed dynamics is great.

Preferably, in this embodiment, supplementary centre gripping subassembly includes second support column 10, third hydraulic stem 13, arm 14 and clamp plate 15, two first support column 3 extends equal fixedly connected with on the lateral wall of work box 1 outside the one end of second support column 10, two the other end of second support column 10 all articulates the one end that has third hydraulic stem 13, the other end of third hydraulic stem 13 articulates the middle part that has arm 14, the one end of arm 14 articulates there is clamp plate 15, and the other end articulates on the roof of first support column 3. Through the drive of third hydraulic stem 13, be convenient for carry out the secondary to irregular or large-size part and press from both sides tightly, guarantee to press from both sides tight effectual.

Specifically, a control system is arranged on the working box 1, and the control system controls the extension and retraction of the first hydraulic rod 8, the second hydraulic rod 4 and the third hydraulic rod 13.

Preferably, in this embodiment, through holes 16 adapted to the first support columns 3 are formed in both sides of the top of the work box 1, and the length of the through holes 16 is greater than 15 cm, so that a space is provided for the left and right movement of the first support columns 3.

Preferably, in this embodiment, a cabinet door 18 is disposed outside the working box 1, and the cabinet door 18 is provided with heat dissipation holes 19, so as to facilitate maintenance of the equipment; the heat dissipation holes 18 facilitate heat dissipation.

Preferably, in this embodiment, the bottom of the working box 1 is provided with a moving wheel 14, and the moving wheel 14 is provided with a locking member, which is a prior art, and therefore, further description is omitted.

During the use, the user places the upper surface of workstation 9 through machinery, then through the flexible of control system control first hydraulic stem 8 and second hydraulic stem 4, first hydraulic stem 8 upwards extends, second hydraulic stem 4 inwards extends, first support column 3 removes, side pressure plate 12 moves to the centre, press from both sides tight with the part on the workstation 9, can push down the part upper surface through top board 11 when first hydraulic stem 8 rises, reset spring on top board 11 can avoid the part to pop out at the clamping process, if the part is irregular or the size is great, can restart third hydraulic stem 13, clamp plate 15 on the drive arm 14 carries out the secondary and presss from both sides tightly, and is the same as, start the flexible shrink of first hydraulic stem 8 and second hydraulic stem 4, release mechanical part.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An automated mechanical fixture, comprising:

the movable hydraulic support comprises a working box (1), a movable cavity (2) is arranged inside the working box (1), a first hydraulic rod (8) is vertically arranged at the middle position of the bottom in the movable cavity (2), the top end of the first hydraulic rod (8) penetrates through a fixed connection workbench (9) behind the working box (1), second hydraulic rods (4) are arranged on two sides of the inner bottom of the movable cavity (2), one end, close to the first hydraulic rod (8), of each second hydraulic rod (4) is provided with a first support column (3), the two first support columns (3) penetrate through the top of the working box (1) and are connected with an upper pressure plate (11), the upper pressure plate (11) is connected with the first support columns (3) through an elastic piece, side pressure plates (12) are arranged below the upper pressure plate (11), and the side pressure plates (12) are fixed on the first support columns (3), two all be equipped with supplementary centre gripping subassembly on first support column (3), two the bottom fixedly connected with of first support column (3) removes seat (5), one side of the interior bottom in activity chamber (2) is equipped with and is used for the restriction remove the stop gear that seat (5) removed.

2. Automated mechanical gripper according to claim 1, characterized in that the outer walls of both said upper pressure plates (11) and both said side pressure plates (12) are provided with a protective layer of rubber.

3. The automated mechanical clamp according to claim 1, wherein the auxiliary clamping assembly comprises a second support column (10), a third hydraulic rod (13), a mechanical arm (14) and a pressing plate (15), two first support columns (3) extend out of the side wall of the working box (1) and are fixedly connected with one end of the second support column (10), the other ends of the two second support columns (10) are hinged with one end of the third hydraulic rod (13), the other end of the third hydraulic rod (13) is hinged with the middle part of the mechanical arm (14), one end of the mechanical arm (14) is hinged with the pressing plate (15), and the other end of the mechanical arm is hinged with the top wall of the first support column (3).

4. The automated mechanical fixture of claim 1, wherein the limiting mechanism comprises a limiting groove (7), the limiting groove (7) is arranged on one side of the inner bottom of the movable cavity (2), a limiting block (6) is connected in the limiting groove (7) in a sliding manner, and the top of the limiting block (6) is fixedly connected with the movable base (5).

5. Automated mechanical fixture according to any one of claims 1 to 4, characterized in that the top of the work box (1) is provided with through holes (16) adapted to the first support columns (3) on both sides.

6. The automated mechanical fixture of any one of claims 1 to 4, wherein a cabinet door (18) is provided outside the work box (1), and the cabinet door (18) is provided with heat dissipation holes (19).

7. Automated mechanical gripper according to any of claims 1 to 4, characterized in that the bottom of the work box (1) is provided with moving wheels (17).

8. Automated mechanical gripper according to claim 7, characterized in that the moving wheel (17) is provided with a locking element.