CN211516773U

CN211516773U - Mechanical machining clamping device

Info

Publication number: CN211516773U
Application number: CN201920952040.4U
Authority: CN
Inventors: 袁成照; 钱友艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-09-18
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a machining tool presss from both sides device belongs to mechanical equipment technical field, including the support column, on the support column, the lower extreme is equipped with base and lower base respectively, go up the inside fixedly connected with pneumatic cylinder of base, the output fixedly connected with hydraulic telescoping rod of pneumatic cylinder, hydraulic telescoping rod's other end threaded connection has the fixed block, one side of fixed block can be dismantled and be connected with and press from both sides the mould, the equidistant distribution in surface that goes up the clamp mould has anti-skidding sand grip, lower base upper end fixedly connected with connecting rod, connecting rod one side can be dismantled and be connected with down the clamp mould, the equidistant distribution in surface that presss from both sides the mould down has. The utility model discloses a different clamp moulds can be placed in such structure setting, the work piece of fixed not unidimensional, different grade type has improved the suitability of anchor clamps to can increase the stability of anchor clamps centre gripping, prevent that the work piece from taking place the skew, improve the processingquality of work piece, can clear up the piece that just gives birth to in the processing automatically moreover, ensure going on smoothly of processing.

Description

Mechanical machining clamping device

Technical Field

The utility model relates to a mechanical equipment technical field, more specifically relate to a machining frock clamping device.

Background

In the machining process, the clamping and the positioning of a workpiece are two closely related installation processes, after the workpiece is positioned, a certain mechanism is needed to tightly press and clamp the workpiece, so that the workpiece cannot be damaged in the original position due to the action of external force such as cutting force, gravity, inertia force or centrifugal force in the machining processes such as cutting and the like, the machining precision and the safe production of the workpiece are ensured, and the mechanism for tightly pressing and clamping the workpiece is called as a clamping device.

At present, clamping device is often used to press from both sides tight work piece in machining process, the phenomenon of wearing and tearing can appear in the long-term use of clamping device, consequently, need regularly change clamping device, present device all is the snap-on the piston rod of cylinder, there is the trouble shortcoming of clamping device change, and current clamping device in use is one set of product and one set of clamping device supporting use, the different centre gripping work piece of treating of the unable adaptation of one set of clamping device, the special clamping device of customization has increased the cost of business again, in addition can produce a large amount of pieces in the course of working, in order to avoid influencing the smooth going on of processing, need manual cleaning, if the misoperation can cause the injury to the staff.

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 machining clamping device, it can realize placing different clamp moulds, and the work piece of fixed not unidimensional, different grade type has improved the suitability of anchor clamps to can increase the stability of anchor clamps centre gripping, prevent that the work piece from taking place the skew, improve the processingquality of work piece, just living piece in can clearing up the processing automatically moreover uses manpower sparingly, the smooth of guarantee processing goes on.

2. Technical scheme

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

A machining clamping device comprises a supporting column, wherein an upper base and a lower base are respectively arranged at the upper end and the lower end of the supporting column, the interior of the upper base is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a hydraulic telescopic rod, the other end of the hydraulic telescopic rod is in threaded connection with a fixed block, one side of the fixed block is detachably connected with an upper clamping die, the surface of the upper clamping die is distributed with anti-skid convex strips at equal intervals, the upper end of the lower base is fixedly connected with a connecting rod, one side of the connecting rod is detachably connected with a lower clamping die, the surface of the lower clamping die is distributed with the anti-skid convex strips at equal intervals, a distance sensor is arranged on the lower side of the supporting column, which is positioned on the upper base and is far away from the lower base, the support column is located the fixed block is close to the downside of connecting rod is equipped with the air gun, distance sensor with the air gun electricity is connected. The upper and lower clamping die is detachably connected to the fixed block or the connecting rod, different clamping dies can be placed by a user as required, different workpieces are machined, the practicability of the device is improved, anti-skidding convex strips are arranged on the lower clamping dies, the stability of clamping of the clamp is improved, the workpiece is prevented from being deviated, and the machining quality of the workpiece is improved. Set up distance sensor and air gun between upper and lower clamp mould, by the piece that the air gun clearance produced in the course of working, saved the manpower, avoided the stealthy injury to the person, also ensured going on smoothly of processing.

Furthermore, the fixed block and the connecting rod are close to the end face of the upper clamping die and are vertically provided with three threaded holes, the threaded holes are distributed in an equilateral triangle shape, the side face of the upper clamping die is vertically connected with a threaded rod matched with the threaded holes, and the threaded rod is in threaded connection with the inner cavity of the threaded hole. The threaded holes distributed in an equilateral triangle shape are formed in the end faces of the fixing block and the connecting rod, and the upper clamping die is connected with the threaded rod matched with the threaded rod, so that clamping plates of different sizes, different types and different purposes can be replaced stably and quickly.

Further, the thread is a tapered thread. The conical thread with a good self-locking effect is adopted, so that the upper clamping die can not be loosened from the fixed block or the connection of the upper clamping die and the fixed block or the connection rod in the process of machining the workpiece.

Furthermore, the anti-skid convex strips are uniformly distributed on the surface of the lower clamping die according to concentric circles, and anti-skid grains are uniformly distributed on the surface of the anti-skid convex strips. Through press from both sides the mould surface under according to concentric circles evenly distributed have anti-skidding sand grip, can increase the stability of pressing from both sides the mould centre gripping down, reduce the wearing and tearing of anti-skidding sand grip, the life of pressing from both sides the mould under the extension.

3. Advantageous effects

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

(1) this scheme a machinery processing presss from both sides device is through offering the screw hole that is equilateral triangle and distributes at fixed block or connecting rod terminal surface to and splint are connected with the assorted threaded rod, are convenient for stably change the clamp mould of unidimensional, type not incessantly fast, have increased the practicality of device.

(2) This scheme a machinery adds clamping device has increased the stability of pressing from both sides the mould centre gripping through at splint surface according to concentric circles evenly distributed anti-skidding sand grip, reduces the wearing and tearing of anti-skidding sand grip, has prolonged the life who presss from both sides the mould.

(3) This scheme a machinery processing presss from both sides device is through setting up air gun and distance sensor between upper and lower clamp mould, realizes producing clastic automatic clearance in the processing, has saved the manpower, avoids the recessive injury to the human body, has ensured going on smoothly of processing.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic structural view of a clamp die according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the anti-slip raised line according to an embodiment of the present invention.

The reference numbers in the figures illustrate:

the device comprises a support column 1, an upper base 2, a lower base 3, a hydraulic cylinder 4, a hydraulic telescopic rod 5, a fixed block 6, an upper clamping die 7, an anti-skid convex strip 8, a connecting rod 9, a lower clamping die 10, a distance sensor 11, an air gun 12, a threaded hole 13 and a threaded rod 14.

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:

please refer to fig. 1-3, a machining clamping device, including support column 1, the upper and lower end of support column 1 is equipped with base 2 and lower base 3 respectively, the inside fixedly connected with pneumatic cylinder 4 of upper base 2, the output end fixedly connected with hydraulic telescoping rod 5 of pneumatic cylinder 4, the other end threaded connection of hydraulic telescoping rod 5 has fixed block 6, one side of fixed block 6 can be dismantled and be connected with upper clamping die 7, the surface of upper clamping die 7 is equidistant to distribute has antiskid sand grip 8, lower base 3 upper end fixedly connected with connecting rod 9, connecting rod 9 one side can be dismantled and be connected with lower clamping die 10, the surface of lower clamping die 10 is equidistant to distribute has antiskid sand grip 8, antiskid sand grip 8 is according to concentric circles evenly distributed on the surface of lower clamping die 10, and antiskid sand grip 8 surface evenly distributed has antiskid line.

The downside that lies in base 2 and keep away from lower base 3 on the support column 1 is equipped with distance sensor 11, and the downside that lies in fixed block 6 and be close to connecting rod 9 on the support column 1 is equipped with air gun 12, and distance sensor 11 is connected with air gun 12 electricity.

Three threaded holes 13 are vertically formed in the end faces, close to the upper clamping die and the lower clamping die, of the fixing block 6 and the connecting rod 9, the threaded holes 13 are distributed in an equilateral triangle shape, the side face of the upper clamping die 7 is vertically connected with a threaded rod 14 matched with the threaded holes 13, the threaded rod 14 is in threaded connection with the inner cavity of the threaded hole 13, and the threads are conical threads.

When the clamping device is used, the required upper clamping die and the required lower clamping die are selected, the upper clamping die 7 is in threaded connection with the fixing block 6 through the threaded rod 14, the lower clamping die 10 is in threaded connection with the connecting rod 9, a workpiece to be machined is fixedly placed on the lower clamping die 10, then the hydraulic cylinder 4 is started to work, the hydraulic telescopic rod 5 is made to move downwards and is pressed on the workpiece, and machining is started after the workpiece is fixed. When the distance sensor 11 detects the distance between the upper clamping die and the lower clamping die, the air gun 12 is started to work, and the air gun 12 can clean the chips generated in the machining process.

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 machinery processing presss from both sides device, includes support column (1), its characterized in that: the upper end and the lower end of the support column (1) are respectively provided with an upper base (2) and a lower base (3), the inner part of the upper base (2) is fixedly connected with a hydraulic cylinder (4), the output end of the hydraulic cylinder (4) is fixedly connected with a hydraulic telescopic rod (5), the other end of the hydraulic telescopic rod (5) is in threaded connection with a fixed block (6), one side of the fixed block (6) is detachably connected with an upper clamping die (7), anti-skidding convex strips (8) are distributed on the surface of the upper clamping die (7) at equal intervals, the upper end of the lower base (3) is fixedly connected with a connecting rod (9), one side of the connecting rod (9) is detachably connected with a lower clamping die (10), the anti-skidding convex strips (8) are distributed on the surface of the lower clamping die (10) at equal intervals, a distance sensor (11) is arranged on the support column (1) and positioned, the support column (1) is provided with an air gun (12) which is located on the fixing block (6) and close to the connecting rod (9), and the distance sensor (11) is electrically connected with the air gun (12).

2. A machining device according to claim 1, characterized in that: fixed block, connecting rod are close to three screw hole (13) have been seted up perpendicularly to the terminal surface of going up clamp mould (7), screw hole (13) are equilateral triangle and distribute, go up clamp mould (7) side be connected with perpendicularly with screw hole (13) assorted threaded rod (14), threaded rod (14) threaded connection be in screw hole (13) inner chamber.

3. A machining clamping device according to claim 2, characterised in that: the threads are tapered threads.

4. A machining device according to claim 1, characterized in that: the anti-skid convex strips (8) are uniformly distributed on the surface of the lower clamping die (10) according to concentric circles, and anti-skid lines are uniformly distributed on the surface of the anti-skid convex strips (8).