CN216179953U

CN216179953U - Clamping tool for processing U-shaped electric heating tube

Info

Publication number: CN216179953U
Application number: CN202122718185.8U
Authority: CN
Inventors: 王辉; 潘元杰
Original assignee: Yancheng Haizhizhou Electric Heating Technology Co ltd
Current assignee: Yancheng Haizhizhou Electric Heating Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-05
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a clamping tool for processing a U-shaped electric heating tube, which relates to the technical field of electric heating tube processing and comprises a fixing mechanism, a first clamping mechanism, a second clamping mechanism and a third clamping mechanism, wherein the fixing mechanism comprises a fixing frame welded by aluminum profiles into a rectangular structure, a cross beam is horizontally fixed at the middle position of the fixing frame, and a mounting frame parallel to the cross beam is further arranged at the position, close to the cross beam, of the fixing frame; first fixture sets up the central point that puts at the mount front end and is used for the crooked end of centre gripping U-shaped electrothermal tube, two second fixture symmetries set up both ends about the crossbeam and are used for the middle lateral wall of centre gripping U-shaped electrothermal tube, two third fixture symmetries set up the both ends that are used for centre gripping U-shaped electrothermal tube in the left and right sides of mount rear end, make whole U-shaped electrothermal tube can be by the stable firm of centre gripping, improve the accuracy nature to U-shaped electrothermal tube processing, can be applicable to the U-shaped electrothermal tube of different high specifications, and the suitability is higher.

Description

Clamping tool for processing U-shaped electric heating tube

Technical Field

The utility model relates to the technical field of electric heating tube machining, in particular to a clamping tool for machining a U-shaped electric heating tube.

Background

The electrothermal tube is a tubular electrothermal element which is composed of a metal tube, a spiral resistance wire, crystallized magnesium oxide powder and the like, has excellent overall performance, and has the characteristics of super-long service life and easy maintenance. The U-shaped electric heating tube is one kind of electric heating tube, and has simple structure, high heat efficiency, high mechanical strength and excellent adaptability to severe environment. The U-shaped electric heating tube can be used for heating various liquids and acid, alkali and salt, and is also suitable for heating and melting metals with low melting points.

However, the clamping device used in the existing U-shaped electric heating tube during processing has certain defects, and when the existing clamping device clamps the U-shaped electric heating tube, the existing clamping device cannot stably and firmly clamp all positions of the U-shaped electric heating tube, and the U-shaped electric heating tube is easy to loosen, so that the processing precision of the U-shaped electric heating tube is influenced. Therefore, it is necessary to provide a clamping tool for processing U-shaped electrical heating tubes to overcome the shortcomings of the prior art.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a clamping tool for processing a U-shaped electric heating tube, which can clamp the U-shaped electric heating tube more firmly and stably and is convenient to process the U-shaped electric heating tube.

In order to achieve the purpose, the clamping tool for processing the U-shaped electric heating tube comprises a fixing mechanism, a first clamping mechanism, a second clamping mechanism and a third clamping mechanism, wherein the fixing mechanism comprises a fixing frame which is formed by welding aluminum profiles into a rectangular structure, a cross beam is horizontally fixed at the middle position of the fixing frame, and a mounting frame which is parallel to the cross beam is further arranged at the position, close to the cross beam, of the fixing frame;

the first clamping mechanisms are arranged at the center of the front end of the fixing frame and used for clamping the bending end of the U-shaped electric heating tube, the two second clamping mechanisms are symmetrically arranged at the left end and the right end of the cross beam and used for clamping the middle side wall of the U-shaped electric heating tube, and the two third clamping mechanisms are symmetrically arranged at the left side and the right side of the rear end of the fixing frame and used for clamping the two ends of the U-shaped electric heating tube.

Preferably, the first clamping mechanism comprises a supporting rod, a clamping seat and a clamp, the supporting rod is vertically fixed on the fixing frame, the top of the supporting rod is connected with a fixed rod, the lower end of the fixed rod is connected with the clamping seat through a locking bolt, a clamping groove in a circular arc structure is formed in the side wall of the clamping seat, the clamp is obliquely fixed above the mounting frame through a support, the end part of the driving rod of the clamp is fixedly connected with a first clamping plate in a circular arc structure, and the position of the first clamping plate corresponds to the position of the clamping groove.

Preferably, second fixture includes the mounting panel, lower mounting panel and the second splint of setting between last mounting panel and lower mounting panel, it is parallel arrangement with lower mounting panel to go up the mounting panel, the mounting panel passes through the bolt fastening down on the crossbeam, and it is fixed through the connecting rod of perpendicular setting between lower mounting panel and the last mounting panel, the connecting rod middle part connects first screw rod through the screw thread soon, the middle part position of first screw rod tip conflict second splint, and still the longitudinal symmetry sets up the telescopic link about first screw rod on the connecting rod, the telescopic link is sliding connection with the connecting rod, and telescopic link tip fixed connection second splint.

Preferably, the second splint are circular arc structure, and the external diameter of second splint equals to go up the mounting panel and down the distance between the mounting panel, and the draw-in groove of circular structure is established to the lateral wall middle part position concavity of second splint, stretches into the tip of first screw rod in the draw-in groove.

Preferably, third fixture includes fixing base and clamping piece, and the fixing base is fixed on the lateral wall of mount rear end, and the fixing base connects the second screw rod soon through the screw thread, and the perpendicular slide that sets up is contradicted to the tip of second screw rod, and the slide lateral wall sets up the clamping piece, and the clamping piece is improved level and is fixed the gag lever post, and the gag lever post is sliding connection with the fixing base.

Preferably, the fixing base up end is along the horizontal concave spout of establishing of length direction level, and the lower terminal surface of slide sets up the buckle perpendicularly downwards, and the buckle stretches into in the spout and be sliding connection with the spout.

Preferably, the tip that the gag lever post is located the fixing base outside upwards sticks up perpendicularly, the other end sets up the tip that is the toper structure to the clamping piece is stretched out to the tip, and the bottom level of clamping piece extends to the centre gripping direction.

The utility model has the following beneficial effects:

according to the clamping tool for processing the U-shaped electric heating tube, the first clamping mechanism is adopted to clamp and fix the bending end of the U-shaped electric heating tube, and the second clamping mechanism and the third clamping mechanism are respectively used for clamping the middle position and the two end positions of the U-shaped electric heating tube, so that the whole U-shaped electric heating tube can be stably and firmly clamped, the accuracy of processing the U-shaped electric heating tube is improved, the clamping tool can be suitable for U-shaped electric heating tubes with different high specifications, and the applicability is higher.

Drawings

The present invention will be further described and illustrated with reference to the following drawings.

Fig. 1 is a schematic view of the overall structure of a clamping tool for processing a U-shaped electrothermal tube according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a first clamping mechanism of the clamping tool for processing the U-shaped electrothermal tube in fig. 1.

Fig. 3 is a schematic structural view of a second clamping mechanism of the clamping tool for processing the U-shaped electrothermal tube in fig. 1.

Fig. 4 is a schematic structural view of a third clamping mechanism of the clamping tool for processing the U-shaped electrothermal tube in fig. 1.

Reference numerals: 1. a fixing mechanism; 11. a fixed mount; 12. a mounting frame; 13. a cross beam; 2. a first clamping mechanism; 21. a support bar; 22. fixing the rod; 23. a clamping seat; 24. a clamping groove; 25. a locking bolt; 26. a support; 27. clamping; 28. a first splint; 3. a second clamping mechanism; 31. an upper mounting plate; 32. a lower mounting plate; 33. a connecting rod; 34. a second splint; 35. a first screw; 36. a telescopic rod; 4. a third clamping mechanism; 41. a fixed seat; 42. a limiting rod; 43. a clip; 44. a second screw; 45. a slide plate; 46. and (5) buckling.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

Examples

As shown in figure 1, the clamping tool for processing the U-shaped electric heating tube comprises a fixing mechanism 1, a first clamping mechanism 2, a second clamping mechanism 3 and a third clamping mechanism 4, wherein the fixing mechanism 1 comprises a fixing frame 11 which is welded by an aluminum profile and is of a rectangular structure, a cross beam 13 is horizontally fixed at the middle position of the fixing frame 11, an installation frame 12 which is parallel to the cross beam 13 is further arranged at the position, close to the cross beam 13, of the fixing frame 11, the first clamping mechanism 2 is arranged at the center position of the front end of the fixing frame 11 and used for clamping the bending end of the U-shaped electric heating tube, the two second clamping mechanisms 3 are symmetrically arranged at the left end and the right end of the cross beam 13 and used for clamping the middle side wall of the U-shaped electric heating tube, and the two third clamping mechanisms 4 are symmetrically arranged at the left side and the right side of the rear end of the fixing frame 11 and used for clamping the two ends of the U-shaped electric heating tube.

In this embodiment, the fixing frame 11 is formed by welding a plurality of aluminum profiles, the cross beam 13 is arranged at the middle of the fixing frame 11 and used for improving the structural strength of the fixing frame 11, the first clamping mechanism 2, the second clamping mechanism 3 and the third clamping mechanism 4 are arranged on the fixing mechanism 1, the bent end of the U-shaped electric heating tube can be clamped and fixed by the first clamping mechanism 2, the left side and the right side of the middle part of the U-shaped electric heating tube can be clamped and fixed by the second clamping mechanism 3, the two end positions of the U-shaped electric heating tube can be clamped and fixed by the third clamping mechanism 4, it can be ensured that the whole U-shaped electric heating tube can be clamped and fixed firmly, the U-shaped electric heating tube can be kept stable during processing, and the processing precision is improved.

As a technical optimization scheme of the present invention, as shown in fig. 2, the first clamping mechanism 2 includes a supporting rod 21, a clamping seat 23 and a clamp 27, the supporting rod 21 is vertically fixed on the fixing frame 11, the top of the supporting rod 21 is connected with a fixing rod 22, the lower end of the fixing rod 22 is connected with the clamping seat 23 through a locking bolt 25, a clamping groove 24 in a circular arc structure is formed on the side wall of the clamping seat 23, the clamp 27 is obliquely fixed above the mounting frame 12 through a bracket 26, the end of a driving rod of the clamp 27 is fixedly connected with a first clamping plate 28 in a circular arc structure, and the position of the first clamping plate 28 corresponds to the position of the clamping groove 24.

By adopting the technical scheme, when the bent end of the U-shaped electric heating tube is clamped and fixed, the bent position of the U-shaped electric heating tube is positioned at the position of the clamping groove 24, then the wrench on the clamp 27 is pulled, the wrench drives the driving rod to move downwards in an inclined manner, the driving rod drives the first clamping plate 28 to move downwards in an inclined manner to be close to the U-shaped electric heating tube, and finally the bent end of the U-shaped electric heating tube is clamped and fixed on the clamping groove 24 and the first clamping plate 28 support 26 to prevent the U-shaped electric heating tube from loosening at the bent end of the processing chamber.

As a technical optimization scheme of the present invention, as shown in fig. 3, the second clamping mechanism 3 includes an upper mounting plate 31, a lower mounting plate 32, and a second clamping plate 34 disposed between the upper mounting plate 31 and the lower mounting plate 32, the upper mounting plate 31 and the lower mounting plate 32 are disposed in parallel, the lower mounting plate 32 is fixed on the cross beam 13 by bolts, and the lower mounting plate 32 and the upper mounting plate 31 are fixed by a vertically disposed connecting rod 33, the middle portion of the connecting rod 33 is screwed with a first screw 35 by threads, the end portion of the first screw 35 abuts against the middle portion of the second clamping plate 34, and telescopic rods 36 are further disposed on the connecting rod 33 in an up-down symmetric manner with respect to the first screw 35, the telescopic rods 36 are slidably connected with the connecting rod 33, and the end portion of the telescopic rods 36 is fixedly connected with the second clamping plate 34.

By adopting the technical scheme, when the middle position of the U-shaped electric heating tube is clamped and fixed, the two symmetrically arranged second clamping mechanisms 3 are respectively positioned at the left side and the right side of the middle position of the U-shaped electric heating tube, the tube wall of the U-shaped electric heating tube is arranged between the upper mounting plate 31 and the lower mounting plate 32, then the first screw 35 is rotated, so that the first screw 35 is rotated and moved to be close to the second clamping plate 34, the first screw 35 drives the second clamping plate 34 to move horizontally to the U-shaped electric heating tube, the middle part of the U-shaped electric heating tube can be clamped and fixed between the two second clamping plates 34, the telescopic rod 36 moves horizontally along the through hole on the connecting rod 33, and the telescopic rod 36 is fixedly connected with the second clamping plate 34, so that the stability of the second clamping plate 34 during moving can be ensured.

As a technical optimization scheme of the present invention, as shown in fig. 3, the second clamping plate 34 is in a circular arc structure, the outer diameter of the second clamping plate 34 is equal to the distance between the upper mounting plate 31 and the lower mounting plate 32, a clamping groove in a circular structure is concavely arranged in the middle of the outer side wall of the second clamping plate 34, and the end of the first screw 35 extends into the clamping groove.

Through adopting above-mentioned technical scheme, the draw-in groove can block the tip position of first screw rod 35 for first screw rod 35 is when promoting second splint 34 and removes, and first screw rod 35 and second splint 34 position keep relatively stable, and the external diameter of second splint 34 equals between last mounting panel 31 and the lower mounting panel 32 apart from further fixing the position of second splint 34 simultaneously, prevents that second splint 34 from rocking up and down when removing.

As a technical optimization scheme of the present invention, as shown in fig. 4, the third clamping mechanism 4 includes a fixing seat 41 and a clamping piece 43, the fixing seat 41 is fixed on a side wall of the rear end of the fixing frame 11, the fixing seat 41 is screwed with the second screw 44 through a thread, an end of the second screw 44 abuts against a vertically arranged sliding plate 45, the clamping piece 43 is arranged on a side wall of the sliding plate 45, the limiting rod 42 is horizontally fixed on the clamping piece 43, and the limiting rod 42 is slidably connected with the fixing seat 41.

Through adopting above-mentioned technical scheme to can push two clamping pieces 43 and be close to each other through rotating second screw rod 44, utilize two clamping pieces 43 to carry out the centre gripping with the U-shaped pipe tip fixed, gag lever post 42 can guarantee that clamping piece 43 can the horizontal migration remain stable.

As a technical optimization scheme of the present invention, as shown in fig. 1 and 4, a sliding slot is horizontally recessed along a length direction on an upper end surface of the fixed seat 41, a buckle 46 is vertically downward arranged on a lower end surface of the sliding plate 45, and the buckle 46 extends into the sliding slot and is in sliding connection with the sliding slot.

Through adopting above-mentioned technical scheme to can utilize buckle 46 to slide along the spout and guarantee that slide 45 can remove according to fixed orbit, make the clamping piece 43 that sets up in slide 45 one side can remain stable at the removal in-process.

As a technical optimization scheme of the present invention, as shown in fig. 4, the end of the limiting rod 42 located outside the fixing seat 41 is tilted vertically upwards, and the other end is provided with a tip in a conical structure, and the tip extends out of the clamping piece 43, and the bottom of the clamping piece 43 extends horizontally towards the clamping direction.

Through adopting above-mentioned technical scheme to can utilize the bottom of clamping piece 43 to support U-shaped electrothermal tube bottom, the tip of toper structure can be applicable to the U-shaped electrothermal tube of different diameters, makes U-shaped electrothermal tube end can the block fix between the bottom of clamping piece 43 and tip, prevents that U-shaped electrothermal tube end from reciprocating.

The above detailed description merely describes preferred embodiments of the present invention and does not limit the scope of the utility model. Without departing from the spirit and scope of the present invention, it should be understood that various changes, substitutions and alterations can be made herein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents. The scope of the utility model is defined by the claims.

Claims

1. A clamping tool for processing a U-shaped electric heating tube is characterized by comprising a fixing mechanism, a first clamping mechanism, a second clamping mechanism and a third clamping mechanism, wherein the fixing mechanism comprises a fixing frame welded by an aluminum profile and in a rectangular structure, a cross beam is horizontally fixed at the middle position of the fixing frame, and a mounting frame parallel to the cross beam is further arranged at the position, close to the cross beam, of the fixing frame;

2. The clamping tool for processing the U-shaped electrothermal tube according to claim 1, wherein the first clamping mechanism comprises a support rod, a clamping seat and a clamp, the support rod is vertically fixed on the fixing frame, a fixing rod is connected to the top of the support rod, the lower end of the fixing rod is connected to the clamping seat through a locking bolt, a clamping groove in an arc structure is formed in the side wall of the clamping seat, the clamp is obliquely fixed above the mounting frame through a support, a first clamping plate in an arc structure is fixedly connected to the end of the drive rod of the clamp, and the position of the first clamping plate corresponds to the position of the clamping groove.

3. The clamping tool for processing the U-shaped electric heating tube as claimed in claim 1, wherein the second clamping mechanism comprises an upper mounting plate, a lower mounting plate and a second clamping plate arranged between the upper mounting plate and the lower mounting plate, the upper mounting plate and the lower mounting plate are arranged in parallel, the lower mounting plate is fixed on the cross beam through bolts, the lower mounting plate and the upper mounting plate are fixed through a vertically arranged connecting rod, the middle of the connecting rod is screwed with a first screw rod through threads, the end part of the first screw rod abuts against the middle position of the second clamping plate, telescopic rods are further symmetrically arranged on the connecting rod up and down relative to the first screw rod, the telescopic rods are in sliding connection with the connecting rod, and the end parts of the telescopic rods are fixedly connected with the second clamping plate.

4. The clamping tool for machining the U-shaped electric heating tube as claimed in claim 3, wherein the second clamping plate is of a circular arc structure, the outer diameter of the second clamping plate is equal to the distance between the upper mounting plate and the lower mounting plate, a clamping groove of a circular structure is concavely formed in the middle of the outer side wall of the second clamping plate, and the end portion of the first screw rod extends into the clamping groove.

5. The clamping tool for machining the U-shaped electric heating tube as claimed in claim 1, wherein the third clamping mechanism comprises a fixing seat and a clamping piece, the fixing seat is fixed on a side wall at the rear end of the fixing frame, the fixing seat is screwed with the second screw rod through threads, the end of the second screw rod is abutted against a vertically arranged sliding plate, the side wall of the sliding plate is provided with the clamping piece, a limiting rod is horizontally fixed on the clamping piece, and the limiting rod is connected with the fixing seat in a sliding manner.

6. The clamping fixture for processing the U-shaped electric heating tube as claimed in claim 5, wherein the upper end surface of the fixing seat is horizontally recessed with a sliding slot along the length direction, the lower end surface of the sliding plate is vertically and downwardly provided with a buckle, and the buckle extends into the sliding slot and is slidably connected with the sliding slot.

7. The clamping fixture for machining the U-shaped electric heating tube as claimed in claim 5, wherein the end of the limiting rod located outside the fixing seat is tilted vertically upwards, the other end of the limiting rod is provided with a pointed end in a conical structure, the pointed end extends out of the clamping piece, and the bottom of the clamping piece extends horizontally towards the clamping direction.