CN215316624U

CN215316624U - Fixing device with cooling protection

Info

Publication number: CN215316624U
Application number: CN202121087728.4U
Authority: CN
Inventors: 高贵焕; 周苏坤
Original assignee: Takahashi Metal Manufacturing Suzhou Co ltd
Current assignee: Takahashi Metal Manufacturing Suzhou Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-12-28
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a fixing device with cooling protection, which comprises a workbench, wherein a first positioning block, a second positioning block and a third positioning block for placing parts are sequentially arranged on the workbench side by side, and at least the first positioning block and the third positioning block are provided with structures for positioning workpieces; and cooling flow channels extending from the outer surfaces to the inside of the first positioning block, the second positioning block and the third positioning block are formed on the first positioning block, the second positioning block and the third positioning block, the cooling flow channels are connected with a cooling medium supply pipeline, and pressing mechanisms used for fixing workpieces are respectively arranged beside the first positioning block and the third positioning block. The utility model has the advantages that: the first positioning block, the second positioning block and the third positioning block are copper positioning blocks, the copper positioning blocks extend into the interior from the outer surfaces of the copper positioning blocks and are used for being connected with a cooling flow channel of a cooling medium supply pipeline, the three positioning blocks and the local part of a workpiece placed on the three positioning blocks are subjected to overall cooling treatment by the cooling medium flowing into the cooling flow channel, the cooling speed is high, the cooling effect is good, and meanwhile, the cost consumption is reduced.

Description

Fixing device with cooling protection

Technical Field

The utility model belongs to the technical field of machine manufacturing, and particularly relates to a fixing device with cooling protection.

Background

The temperature of the welded workpiece is very high, and the production efficiency of the existing industry can not be obviously met by adopting a natural cooling mode. If no cooling device is used for rapidly cooling the workpiece, the welded workpiece is easy to form profit concentration in the welding position after welding, and the overhigh temperature can cause the workpiece to be in heat treatment, change the internal structure of the workpiece, influence the later performance, even cause the workpiece to crack and cause poor sewing effect.

In the prior art, for example, in a welding cooling device disclosed in chinese patent CN201510003350.8, the purpose of rapidly cooling a welded part during welding can be achieved mainly by improving the design of the existing thimble, so that the performance of the welded part itself is protected to the maximum extent, and the welded part is positioned. However, there are some problems in using the welding device, when the welding device is used for cooling the welding part, the whole welding part is often cooled, and when the welding part is welded, the position of the welding point is less relative to the whole welding part, and if the whole welding part is cooled, the welding part is consumed greatly, and the working efficiency is low.

Therefore, it is an urgent technical problem to design a fixing device to be protected.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems of the prior art and to providing a fastening device with cooling protection.

The purpose of the utility model is realized by the following technical scheme:

the fixing device with the cooling protection function comprises a workbench, wherein a first positioning block, a second positioning block and a third positioning block for placing parts are arranged on the workbench and are sequentially arranged side by side, and at least the first positioning block and the third positioning block are provided with a workpiece positioning structure; and the first positioning block, the second positioning block and the third positioning block are respectively provided with a cooling flow channel extending from the outer surface to the inside, the cooling flow channels are connected with a cooling medium supply pipeline, and pressing mechanisms for fixing the workpiece are respectively arranged beside the first positioning block and the third positioning block.

Preferably, at least one of the first positioning block, the second positioning block and the third positioning block is a copper positioning block.

Preferably, the cooling flow channel of the second positioning block is connected with the cooling flow channel of the first positioning block and/or the second positioning block.

Preferably, the first positioning block and the third positioning block are provided with positioning bosses, and the pressing mechanism comprises a pressing sleeve which is opposite to the positioning bosses and is driven by an air cylinder to lift.

Preferably, the rear side of the second positioning block is provided with a limiting block, and two sides of the limiting block are provided with fixing mechanisms.

Preferably, the fixing mechanism comprises an air cylinder, an air cylinder shaft of the air cylinder is parallel to the workbench and is connected with a guide block, the guide block is slidably arranged on a guide seat, a positioning pin is arranged at the front end of the guide block, and a positioning groove opposite to the positioning pin is formed in the limiting block.

Preferably, a positioning cylinder fixed on the second fixing seat is further arranged on the front side of the second positioning block, a cylinder shaft of the positioning cylinder is parallel to the workbench and is connected with a positioning block, and the positioning block is movably arranged in the second fixing seat and can extend out of one side, opposite to the positioning cylinder, of the second fixing seat.

Preferably, a second pressing mechanism is arranged beside the second fixing seat, the second pressing mechanism comprises a second air cylinder, an air cylinder shaft of the second air cylinder is parallel to an air cylinder shaft of the positioning air cylinder, the outer end of the second air cylinder is in pivot connection with a pressing plate, the middle of the pressing plate is in pivot connection with a third fixing seat, and the pressing plate can rotate to be perpendicular to the air cylinder shaft of the positioning air cylinder and is close to or in contact with the front end face of the positioning block in a forward extending state.

The technical scheme of the utility model has the advantages that:

the cooling device comprises a first positioning block, a second positioning block and a third positioning block, wherein the first positioning block, the second positioning block and the third positioning block are copper positioning blocks, cooling channels which extend from the outer surfaces to the inside and are used for being connected with a cooling medium supply pipeline are formed on the copper positioning blocks, the cooling channels are used for carrying out integral cooling treatment on the three positioning blocks and parts of workpieces placed on the three positioning blocks through cooling media flowing into the cooling channels, the cooling speed is high, the cooling effect is good, and meanwhile, the cost consumption is reduced;

the anti-splashing positioning block made of copper has good anti-splashing performance, can quickly adsorb scraps generated in the machining process, protects the machining environment and facilitates machining, and improves the machining efficiency to a certain extent;

the stability is good, and through locating lug and the locating strip on first locating piece and the third locating piece, locating hole, stopper, fixed establishment, location cylinder and the second hold-down mechanism on the third locating piece to carry out the omnidirectional rigidity to the work piece, guarantee that the work piece can not produce the displacement in the course of working, influence the processing operation, improve the degree of accuracy and the yields of operation.

Drawings

FIG. 1: a perspective view of a preferred embodiment of the present invention;

FIG. 2: an enlarged view of portion a of fig. 1 of a preferred embodiment of the present invention;

FIG. 3: front view of the preferred embodiment of the present invention;

FIG. 4: top view of the preferred embodiment of the present invention;

FIG. 5: the structure diagram of the first positioning block of the preferred embodiment of the utility model;

FIG. 6: the structure diagram of the third positioning block of the preferred embodiment of the utility model;

FIG. 7: the structure diagram of the positioning cylinder of the preferred embodiment of the utility model;

FIG. 8: the structure of the third fixing base of the preferred embodiment of the utility model.

Detailed Description

Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. The embodiments are merely exemplary for applying the technical solutions of the present invention, and any technical solution formed by replacing or converting the equivalent thereof falls within the scope of the present invention claimed.

In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

As shown in fig. 1 to 2, the present invention discloses a fixing device with cooling protection, which includes a workbench 1, wherein a positioning block 2 for placing a part is disposed on the workbench 1, and the positioning block 2 includes a first positioning block 21, a second positioning block 22 and a third positioning block 23, which are sequentially disposed side by side. Grooves convenient for placing and grabbing workpieces are formed in the first positioning block 21, the second positioning block 22 and the third positioning block 23, at least one of the first positioning block 21, the second positioning block 22 and the third positioning block 23 is a copper positioning block, and certainly, in order to improve the cooling speed, in the utility model, the three positioning blocks are preferably designed to be copper positioning blocks. The positioning block made of copper has the following advantages: firstly, the copper positioning block has very good heat dissipation and cooling performance, and the surface temperature of a workpiece can be rapidly reduced by cooling the copper positioning block in the process of processing the workpiece, so that the operation is convenient; secondly, the copper positioning block has good anti-splashing performance, can quickly adsorb scraps generated in the machining process, protects the machining environment and simultaneously facilitates machining, and improves the machining efficiency to a certain extent; moreover, copper is a conventional metal material, which is low in cost and convenient for processing copper products (such as drilling holes in the utility model).

The structure of the first positioning block 21 is as shown in fig. 5, the top surface of the first positioning block has a positioning structure, and the specific structure includes a positioning hole 201 formed at the top of the first positioning block 21, a position-limiting strip 202 and a positioning boss 203 inserted into the positioning hole 201 and used for positioning a workpiece, the workpiece is sleeved on the periphery of the positioning boss 203, the position of the workpiece is limited by the position-limiting strip 202, and finally the workpiece is fixed by the positioning hole 201. The positioning hole 201 on the first positioning block 21 is preferably a waist-shaped hole capable of being adjusted. The first positioning block 21 further has a cooling flow passage 20 extending from an outer surface thereof to an interior thereof, and the cooling flow passage 20 is connected to a cooling medium such as tap water. The cooling channel 20 is preferably disposed on a sidewall of the first positioning block 21, and in other embodiments, the position of the cooling channel 20 may be adjusted according to the use requirement.

The upper surface of the third positioning block 23 also has a positioning structure, which is similar to the structure of the top surface of the first positioning block 21 and is not described herein again. The only difference is that the locating hole 201 is preferably a circular hole. Similar to the first positioning block 21 and the first positioning block 21, the detailed description thereof is omitted. The cooling flow channel 20 extending from the outer surface to the inside of the third positioning block 23 and used for connecting a cooling medium supply pipeline is preferably disposed on the side wall of the third positioning block 23, and its disposition position needs to be adjusted accordingly according to specific use situations. The workpieces are placed on the first positioning block 21 and the third positioning block 23, the distance between the workpiece mounting holes with different sizes is adjusted through the positioning holes 201, and the workpiece mounting holes are fixed, so that the mounting stability is guaranteed.

The specific structure of the second positioning block 22 is shown in fig. 6, the cooling flow channel 20 for connecting a cooling medium supply pipeline is also formed on the second positioning block 22, and the cooling flow channel 20 has an outer surface of the second positioning block 22 extending into the interior thereof. The second positioning block 22 is further formed with the positioning hole 201 fixed to the workpiece. The cooling flow channel 20 of the second positioning block 22 is connected to the cooling flow channel 20 of the first positioning block 21 and/or the second positioning block 22, that is, the cooling flow channels 20 of at least two of the first positioning block 21, the second positioning block 22 and the third positioning block 23 may form a closed loop, or the cooling flow channels 20 of the first positioning block 21, the second positioning block 22 and the third positioning block 23 are communicated with each other, so that the recycling of the cooling medium is facilitated, the cost is reduced, the resources are saved, and the waste is reduced.

The workpiece is fixed on the positioning blocks through the limiting strips 202 and the positioning bosses 203 on the first positioning blocks 21 and the third positioning blocks 23 and the positioning holes 201 on the second positioning blocks 22, so that the accuracy of the placement position is guaranteed, and the machining precision is improved.

As shown in fig. 4, a stop block 4 is disposed at the rear side of the positioning block 2, and the stop block 4 is preferably disposed at the rear side of the second positioning block 22. Referring to fig. 1, fig. 3 and fig. 4, fixing mechanisms 5 are disposed on two sides of the limiting block 4, and each fixing mechanism 5 includes a cylinder 51. The air cylinder 51 is fixed on a first air cylinder fixing seat 511, and the first air cylinder fixing seat 511 is arranged on the workbench 1. The cylinder shaft of the cylinder 51 is parallel to the workbench 1 and is connected with a guide block 52, the guide block 52 is slidably disposed on a guide seat 521, that is, the guide seat 521 is located between the cylinder 51 and the stop block 4, and a through hole (not shown in the figure) for the guide block 52 to pass through is formed on the guide seat. The guide seat 521 is provided with a positioning pin 53 at the front end (the end close to the limiting block 4), and the limiting block 4 is provided with a positioning groove 40 opposite to the positioning pin 53. After a workpiece is placed on the first positioning block 21, the second positioning block 22 and the third positioning block 23, the cylinder 51 is started, and a cylinder shaft of the cylinder 51 drives the guide block 52 and the positioning pin 53 to move towards the position of the limiting block 4, pass through a through hole in the workpiece until being inserted into the positioning groove 40, and further position the workpiece.

As shown in fig. 4, a positioning cylinder 6 is further disposed at a front side (a side far away from the stopper 4) of the positioning block 2, and the positioning cylinder 6 is more preferably disposed at a front side of the second positioning block 22 and fixed on a second fixing seat 61. As shown in fig. 7, a cylinder shaft of the positioning cylinder 6 is parallel to the workbench 1 and is connected to a positioning block 611, the positioning block 611 is movably disposed in the second fixing seat 61, in an extended state, the positioning cylinder 6 drives the positioning block 611 to move and penetrate through the second fixing seat 61 until an outer plane of the positioning block 611 is coplanar with an outer side surface of the fixing seat 61, that is, the second fixing seat 61 is vertically disposed on the workbench 1, and a through hole for the positioning block 611 to penetrate through is formed in the second fixing seat 61.

A second pressing mechanism 7 is arranged beside the second fixed seat 61, the second pressing mechanism 7 comprises a second air cylinder 71, the air cylinder shaft of the second air cylinder 71 is parallel to the air cylinder shaft of the positioning air cylinder 6, and the outer end of the second air cylinder is pivotally connected with a pressing plate 72. As shown in fig. 1 and 8, a middle portion of the pressing plate 72 is pivotally connected to a third fixing seat 721, a locking groove 720 clamped to the middle portion of the pressing plate 72 is formed on the third fixing seat 721, a pivot 7201 connected to the pressing plate 72 is disposed in the locking groove 720, and the pressing plate 72 is driven by the second cylinder 71 to rotate around the pivot 7201. In the first state, the cylinder shaft of the positioning cylinder 6 retracts, the positioning block 611 is located in the through hole of the second fixing seat 61, at this time, the cylinder shaft of the second cylinder 71 retracts, and an obtuse angle is formed between the pressing plate 72 and the cylinder shaft of the second cylinder 71; in the second state, the positioning block 611 penetrates through the hole, at least part of the positioning block 611 is located on the side, opposite to the positioning cylinder 6, of the second fixing seat 61 and is clamped in the clamping groove on the workpiece, and meanwhile, the cylinder shaft of the second cylinder 71 extends out to drive the pressing plate 72 to rotate to be perpendicular to the cylinder shaft of the positioning cylinder 6 and to be close to or in contact with the front end face of the positioning block 611 in the forward extending state so as to press the workpiece tightly, so that the workpiece cannot move in the processing process, and the yield of the processing quality is improved.

As shown in fig. 1 and 3, pressing mechanisms 3 for fixing the workpiece are further respectively disposed beside the first positioning block 21 and the third positioning block 23. The pressing mechanism 3 comprises a pressing sleeve 31 which is opposite to the positioning boss 203 and is driven by an air cylinder to lift. The pressing sleeve 31 is driven by a pressing cylinder 32 arranged at the top end of the pressing sleeve to move up and down, the pressing cylinder 32 is connected with a support frame 33 through a connecting block 310, and the support frame 33 is vertically arranged on the workbench 1.

Before welding a workpiece, the stability of the position where the workpiece is placed needs to be ensured. The workpieces to be welded are sequentially placed on the first positioning block 21, the second positioning block 22 and the third positioning block 23, and the positions of the workpieces are limited by the positioning holes 201, the limiting strips 202 and the positioning bumps 203. Starting the two cylinders 51, driving the positioning pins to be inserted into the positioning grooves 40 of the limiting block 4, and fixing the side walls of the workpiece on the side walls of the limiting block 4; the positioning cylinder 6 is started, the positioning block 611 is driven to penetrate through the second fixing seat 61 and is clamped in the clamping groove of the workpiece, and the placing angle of the workpiece is limited; starting the second air cylinder 71, driving the pressure plate 72 connected with the pivot shaft thereof to be close to or contact with the positioning block 611, and simultaneously clamping two sides of the workpiece; and starting the pressing cylinder 32, driving the pressing sleeve 31 to move downwards to press the upper surface of the workpiece, and further welding the omnidirectionally fixed public.

The utility model has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the utility model.

Claims

1. Fixing device of area cooling protection, its characterized in that: the workpiece positioning device comprises a workbench (1), wherein a first positioning block (21), a second positioning block (22) and a third positioning block (23) which are used for placing parts are arranged on the workbench (1), the first positioning block (21), the second positioning block (22) and the third positioning block (23) are sequentially arranged side by side, and at least the first positioning block (21) and the third positioning block (23) are provided with a workpiece positioning structure; the first positioning block (21), the second positioning block (22) and the third positioning block (23) are respectively provided with a cooling flow channel (20) extending from the outer surface to the inside, the cooling flow channel (20) is connected with a cooling medium supply pipeline, and pressing mechanisms (3) used for fixing workpieces are respectively arranged beside the first positioning block (21) and the third positioning block (23).

2. A fixture with cooling protection according to claim 1, characterized in that: at least one of the first positioning block (21), the second positioning block (22) and the third positioning block (23) is a copper positioning block.

3. A fixture with cooling protection according to claim 1, characterized in that: the cooling flow channel of the second positioning block (22) is connected with the cooling flow channel of the first positioning block (21) and/or the second positioning block.

4. A fixture with cooling protection according to claim 1, characterized in that: and the first positioning block (21) and the third positioning block (23) are provided with positioning bosses (203), and the pressing mechanism (3) comprises a pressing sleeve (31) which is opposite to the positioning bosses (203) and is driven by an air cylinder to lift.

5. A fixture with cooling protection according to claim 1, characterized in that: the rear side of the second positioning block (12) is provided with a limiting block (4), and two sides of the limiting block (4) are provided with fixing mechanisms (5).

6. A fixture with cooling protection according to claim 2, characterized in that: the fixing mechanism (5) comprises an air cylinder (51), an air cylinder shaft of the air cylinder (51) is parallel to the workbench (1) and is connected with a guide block (52), the guide block (52) is slidably arranged on a guide seat (521), a positioning pin (53) is arranged at the front end of the guide block, and a positioning groove (40) which is opposite to the positioning pin (53) is formed in the limiting block (4).

7. A fixture with cooling protection according to claim 3, characterized in that: the front side of the second positioning block (22) is further provided with a positioning cylinder (6) fixed on a second fixing seat (61), a cylinder shaft of the positioning cylinder (6) is parallel to the workbench (1) and is connected with a positioning block (611), and the positioning block (611) is movably arranged in the second fixing seat (61) and can extend out of one side, opposite to the positioning cylinder (6), of the second fixing seat (61).

8. A cooling protection fixture according to claim 4 wherein: a second pressing mechanism (7) is arranged beside the second fixing seat (61), the second pressing mechanism (7) comprises a second air cylinder (71), an air cylinder shaft of the second air cylinder (71) is parallel to an air cylinder shaft of the positioning air cylinder (6), the outer end of the second air cylinder is in pivot connection with a pressing plate (72), the middle of the pressing plate (72) is in pivot connection with a third fixing seat (721), and the pressing plate (72) can rotate to be perpendicular to the air cylinder shaft of the positioning air cylinder (6) and is close to or in contact with the front end face of the positioning block (611) in a forward extending state.