CN211252014U

CN211252014U - Aluminum pipe marking press for electric power fittings

Info

Publication number: CN211252014U
Application number: CN201922022204.6U
Authority: CN
Inventors: 赵广平; 张静华; 韦安建; 朱路; 张聪
Original assignee: Jiangsu Shuanghui Power Development Co Ltd
Current assignee: Jiangsu Shuanghui Power Development Co Ltd
Priority date: 2019-08-16
Filing date: 2019-11-21
Publication date: 2020-08-14
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses an electric power fitting aluminum pipe indentator belongs to electric power fitting technical field, has solved the problem that traditional electric power fitting aluminum pipe indentation does not have suitable indentator. The automatic marking device mainly comprises an indentation mechanism, a power unit and an electric control unit for controlling the power unit to start and stop. The utility model has the advantages that the structural design is simple and ingenious, the workpiece is clamped in the space formed by the pressing die and the two rollers by utilizing the characteristics of low strength and tubular structure of the aluminum pipe, the friction force of the pressing die pushes the workpiece to rotate on the rollers, the pressure applied by the pressing die is uniformly released on the two rollers in the rotating process of the workpiece, the product percent of pass is high, the production efficiency is high, the structural design stability is high, the reliability is high, the workpiece is not easy to damage, and the service life is long; the cost is low, the universality is strong, and the method has very important significance in the electric power fitting industry.

Description

Aluminum pipe marking press for electric power fittings

Technical Field

The utility model belongs to the technical field of the electric power fitting, specifically speaking especially relates to an electric power fitting aluminum pipe indentator suitable for at aluminum pipe surface indentation lettering, general type is very strong, structural design stability is high, the indentation depth can be adjusted wantonly, the indentation is effectual, the work piece atress is even, cost is very low.

Background

The aluminum pipe is very common part in the electric power fitting field, for example strain clamp, splicing sleeve, equipment fastener etc. and the material generally is pure aluminium material, and some are the aluminum alloy material, and intensity is lower relatively. Fig. 1 of the attached drawings of the application specification shows a schematic structural diagram of a strain clamp, as shown in fig. 1, a series of information such as trademarks, specification models and the like needs to be marked before a product leaves a factory. I know the aluminum pipe indentation is different from general knurling indentation, and it has following characteristics: 1. the contents of the indentations formed in one circle of the aluminum pipe are different and can be irregularly followed; 2. the aluminum pipe has low strength and cannot be clamped; 3. according to aluminum pipes with different specifications, the indentation information is different, and the replacement frequency is high. The characteristics determine that the knurling machine, the lathe and the like on the market can not meet the indentation requirement of the aluminum pipe. Because patterns rolled by a high-speed rotating die of a commercial knurling machine are all regular and same textures, such as reticulate patterns, straight reticulate patterns and the like, and are completely unmatched with the requirement of the aluminum pipe indentation. In order to ensure the indentation effect in the indentation process, the aluminum pipe needs to be tightly clamped in the trial production, the aluminum pipe is easy to deform in the clamping and indentation processes, the product quality is seriously affected, the qualification rate of the product is high, and the production cost of an enterprise is very high. Moreover, the purchase cost of these devices, whether knurling or lathing, is high.

The technical scheme disclosed by the Chinese patent with the granted announcement number of CN105436298B and the granted announcement date of 2017.08.25 and the utility model also aims to solve the problem of how to stamp other marks such as trademarks on the aluminum tubes. The technical scheme mainly comprises a frame, wherein a motor and a workbench are arranged on the frame, a swing plate is arranged on the workbench, and an adjusting seat, a swing shaft and an indentation shaft are sequentially arranged on the swing plate from left to right; the swing shaft comprises a swing shaft A and a swing shaft B which are sequentially arranged, the tail end of the swing shaft A is connected with a transmission shaft, the tail end of the transmission shaft is sleeved with a transmission wheel A, the transmission wheel A is connected with a transmission wheel B through a belt, the transmission wheel B is connected with a motor, the swing shaft A is further sleeved with a gear A, and the swing shaft B is sleeved with a gear B and a gear C; the gear D and the gear E are sequentially sleeved on the indentation shaft from the rear end to the front end, the foremost end of the indentation shaft is provided with a circular indentation knife, and an aluminum pipe fixing seat is further arranged on a workbench below the indentation knife; the adjusting seat comprises an adjusting seat body and a hand wheel, the center of the hand wheel is vertically connected with a screw rod arranged in the adjusting seat body, the middle part of the screw rod is provided with a nut, and one side of the nut is connected with a driven roller extending out of the adjusting seat body; the adjusting mechanism is characterized in that a driving shaft A is arranged on a workbench on the front side of the adjusting seat, a gear F and a gear G are sleeved on the driving shaft A, a driving cam is arranged on the workbench on the left side of the adjusting seat, the driving cam is fixed through the driving shaft B, and a gear H' is sleeved at the front end of the driving shaft B. From this technical solution, it can be seen that the structural design is complex, and it is known that for mechanical products, the simpler the structural design, the higher the reliability, and the longer the service life. The technical scheme of the application can solve the technical problem to be solved by the authorization scheme through simple and ingenious structural design.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, provide one kind be applicable to at aluminum pipe surface indentation lettering, general type is very strong, structural design stability is high, the indentation depth can be adjusted wantonly, the indentation is effectual, the work piece atress is even, cost is very low electric power fitting aluminum pipe indentator.

The utility model discloses a realize through following technical scheme:

an electric power fitting aluminum pipe indenting machine comprises an indenting mechanism, a power unit and an electric control unit for controlling the power unit to start and stop;

the indentation mechanism comprises a pair of rollers with adjustable relative distance, and the rollers are supported by a roller seat and can rotate relative to the roller seat; a pressing die with a character protrusion is arranged above the roller, and slides back and forth along the direction vertical to the axial direction of the roller under the action of the power unit; a workpiece aluminum pipe is placed in a space formed by the pressing die and the two rollers; the aluminum pipe is supported by the two rollers, the upper surface of the aluminum pipe is in contact with the pressing die, and the axis of the aluminum pipe is parallel to the axes of the two rollers.

Preferably, the stress point of the flat bottom surface of the pressing die contacting the upper surface of the aluminum pipe is point A, and the stress points of the aluminum pipe supported on the two rollers are point B and point C respectively; the connecting line of the stress point A, the stress point B and the stress point C forms an equilateral triangle.

Preferably, the pressing die comprises a character template fixing base, a character template movable base and a character template provided with character protrusions; the character template is fixedly connected with the character template movable base by adopting a detachable connecting structure, and the character template movable base is fixedly connected with the character template fixed base by adopting a detachable connecting structure; the character template fixing base is supported on the rack by a sliding rod and reciprocates along the sliding rod under the action of the power unit.

Preferably, the power unit is a hydraulic cylinder, and an expansion rod of the hydraulic cylinder is fixedly connected with the character template fixing base.

Preferably, the movable base of the character template and the fixed base of the character template are connected by adopting a dovetail mortise-tenon structure, and the movable base and the fixed base of the character template are fixedly connected by adopting bolts after being spliced; the character template is fixedly connected with the movable base of the character template in a bolt connection mode.

Preferably, the frame comprises a frame side plate and a frame base; the roller seat comprises a roller backup plate and a limiting block; both ends of the roller are supported by the roller backup plate; two the outside of gyro wheel is equallyd divide do not be equipped with the detachable fixed connection's of frame seat stopper, the gyro wheel backup plate is fixed on the stopper, the stopper through stopper adjustment mechanism with frame curb plate rigid coupling.

Preferably, a frame waist-shaped hole is formed in the frame base, a limiting block through hole is formed in the limiting block in the vertical direction, and a limiting bolt fastener penetrates through the limiting block through hole and the frame waist-shaped hole and fixedly connects the limiting block to the frame base.

Preferably, the limiting block adjusting mechanism comprises a limiting screw rod, the limiting screw rod penetrates through the rack side plate and is fixedly connected with the limiting block, and the limiting screw rod is fixedly connected with the rack side plate through an adjustable locking piece.

Preferably, one side of the indenting machine mechanism is provided with an adjustable aluminum pipe positioning device.

Preferably, the adjustable aluminum pipe positioning device comprises an adjusting screw, a transverse connecting piece, a vertical connecting piece, a positioning screw and an aluminum pipe plug; one end of the adjusting screw is fixedly connected with the roller seat, through holes are respectively formed in two ends of the transverse connecting piece, one end of the transverse connecting piece is fixedly connected with the adjusting screw through an adjustable locking piece, and the through hole in the other end of the transverse connecting piece is fixedly connected with the waist-shaped hole of the vertical connecting piece through a fastening piece after being aligned with the waist-shaped hole; the upper end of the vertical connecting piece is provided with a through hole, and the positioning screw passes through the through hole of the vertical connecting piece and then is fixedly connected with the vertical connecting piece through the adjustable locking piece; and the end of the positioning screw rod close to the roller is fixedly connected with the aluminum pipe plug, and the diameter of the aluminum pipe plug is larger than that of the currently rolled aluminum pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses structural design is simple and ingenious, and the aluminum pipe itself has the low strength characteristics, as long as exert certain pressure, and work piece atress is even in the process of exerting pressure, just can not take place work piece deformation phenomenon, the utility model discloses utilize the low characteristics of aluminum pipe strength, and the ingenious aluminium pipe of grasping of taking the form of tubulose the characteristics, with the work piece centre gripping in the space that moulding-die, two gyro wheels constitute, the frictional force of moulding-die promotes the work piece and rotates on the gyro wheel, the pressure that will exert the moulding-die in the work piece rotation process evenly releases on two gyro wheels, the product percent of pass is high, and production efficiency is high, and structural design stability is high, and the reliability is high, not fragile;

2. the manufacturing cost of the utility model is more than about 1000 yuan, and compared with the equipment for purchasing machine tools, the manufacturing cost is very low, and the economic benefit is very obvious;

3. the utility model has strong universality and wide application range, realizes the distance between the pressing die and the roller by adjusting the distance between the two rollers, also meets the requirements of workpieces with different specifications, and can realize the depth of indentation handwriting by adjusting the distance between every two rollers;

4. the utility model discloses the practicality is very strong, is particularly useful for the printing of information such as electric power fitting aluminum pipe specification model, trade mark word size, has very important meaning in the electric power fitting trade.

Drawings

FIG. 1 is a schematic view of a strain clamp structure;

fig. 2 is a schematic front structural view of an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;

fig. 5 is a schematic view of a back structure of an embodiment of the present invention;

fig. 6 is a cross-sectional view taken along line E-E of fig. 5 in accordance with the present invention;

fig. 7 is a schematic structural view of the front or back direction of the word template according to the embodiment of the present invention;

FIG. 8 is a schematic side view of the word template according to an embodiment of the present invention;

FIG. 9 is a schematic view of the structure of the movable base of the word template in the front direction of the embodiment of the present invention;

FIG. 10 is a schematic view of the structure of the side face of the movable base of the word template according to the embodiment of the present invention;

fig. 11 is a schematic view of a top view of a rack mount according to an embodiment of the present invention.

In the figure: 1. a roller; 2. a roller seat; 3. character convex; 4. pressing the die; 5. an aluminum tube; 6. a flat bottom surface; 7. a character template fixing base; 8. a movable base of the character template; 9. a slide bar; 10. a hydraulic cylinder; 11. a telescopic rod; 12. a frame mount; 13. a roller backup plate; 14. a limiting block; 15. a limit bolt fastener; 16. a limit screw; 17. adjusting the screw rod; 18. a transverse connector; 19. a vertical connecting member; 20. positioning a screw rod; 21. an aluminum pipe plug; 22. a word template; 23. a work table; 24. an adjustable aluminum pipe positioning device; 25. a track; 26. a copper sleeve; 27. a frame side plate; 28. a frame waist-shaped hole.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

the indentation mechanism comprises a pair of rollers 1 with adjustable relative distance, and the rollers 1 are supported by a roller base 2 and can rotate relative to the roller base 2; a pressing die 4 provided with a character protrusion 3 is arranged above the roller 1, and the pressing die 4 slides back and forth along the direction vertical to the axial direction of the roller 1 under the action of the power unit; a workpiece aluminum pipe 5 is placed in a space formed by the pressing die 4 and the two rollers 1; the aluminum pipe 5 is supported by the two rollers 1, the upper surface of the aluminum pipe 5 is contacted with the pressing die 4, and the axis of the aluminum pipe 5 is parallel to the axes of the two rollers 1.

Preferably, the point of stress of the flat bottom surface 6 of the pressing die 4 contacting the upper surface of the aluminum tube 5 is point A, and the point of stress of the aluminum tube 5 supported on the two rollers 1 is point B and point C respectively; the connecting line of the stress point A, the stress point B and the stress point C forms an equilateral triangle.

Preferably, the pressing die 4 comprises a character template fixing base 7, a character template movable base 8 and a character template 22 provided with character protrusions 3; the character template 22 is fixedly connected with the character template movable base 8 by adopting a detachable connection structure, and the character template movable base 8 is fixedly connected with the character template fixed base 7 by adopting a detachable connection structure; the character template fixing base 7 is supported on the frame by a sliding rod 9, and the character template fixing base 7 reciprocates along the sliding rod 9 under the action of a power unit.

Preferably, the power unit is a hydraulic cylinder 10, and an expansion rod 11 of the hydraulic cylinder 10 is fixedly connected with the character template fixing base 7.

Preferably, the movable base 8 of the character template is connected with the fixed base 7 of the character template by adopting a dovetail mortise-tenon structure, and the movable base and the fixed base are fixedly connected by adopting bolts after splicing; the character template 22 is fixedly connected with the character template movable base 8 in a bolt connection mode.

Preferably, the frame comprises frame side plates 27 and frame mounts 12; the roller seat 2 comprises a roller backup plate 13 and a limiting block 14; both ends of the roller 1 are supported by roller backup plates 13; two the outside of gyro wheel 1 is equallyd divide respectively be equipped with the detachable fixed connection's of frame seat 12 stopper 14, gyro wheel backup plate 13 is fixed on stopper 14, stopper 14 through stopper adjustment mechanism with frame curb plate 27 rigid coupling.

Preferably, a frame waist-shaped hole 28 is formed in the frame base 12, a limit block through hole is formed in the limit block 14 in the vertical direction, and a limit bolt fastener 15 penetrates through the limit block through hole and the frame waist-shaped hole 28 to fixedly connect the limit block 14 to the frame base 12.

Preferably, the limiting block adjusting mechanism comprises a limiting screw 16, the limiting screw 16 penetrates through the rack side plate 27 and the limiting block 14 fixedly connected, and the limiting screw 16 is fixedly connected with the rack side plate 27 through an adjustable locking piece.

Preferably, an adjustable aluminum pipe positioning device 24 is arranged on one side of the creasing mechanism.

Preferably, the adjustable aluminum pipe positioning device 24 comprises an adjusting screw 17, a transverse connecting piece 18, a vertical connecting piece 19, a positioning screw 20 and an aluminum pipe plug 21; one end of the adjusting screw 17 is fixedly connected with the roller seat 2, through holes are respectively arranged at two ends of the transverse connecting piece 18, one end of the transverse connecting piece is fixedly connected with the adjusting screw 17 through an adjustable locking piece, and the through hole at the other end of the transverse connecting piece is fixedly connected with a waist-shaped hole of the vertical connecting piece 19 through a fastening piece after aligning with the waist-shaped hole; the upper end of the vertical connecting piece 19 is provided with a through hole, and the positioning screw rod 20 passes through the through hole of the vertical connecting piece 19 and then is fixedly connected with the vertical connecting piece 19 through an adjustable locking piece; the end of the positioning screw rod 20 close to the roller 1 is fixedly connected with the aluminum pipe plug 21, and the diameter of the aluminum pipe plug 21 is larger than that of the currently rolled aluminum pipe 5.

Example 1:

the embodiment comprises an indentation mechanism, a power unit and an electric control unit for controlling the start and stop of the power unit; this embodiment is implemented by being placed on the table 23.

The indentation mechanism comprises a pair of smooth rollers 1 with adjustable relative distance, and the rollers 1 are supported by a roller seat 2 and can rotate relative to the roller seat 2; a pressing die 4 provided with a character protrusion 3 is arranged above the roller 1, and the pressing die 4 slides back and forth along the direction vertical to the axial direction of the roller 1 under the action of a power unit; a workpiece aluminum pipe 5 is placed in a space formed by the pressing die 4 and the two rollers 1; the aluminum pipe 5 is supported by the two rollers 1, the upper surface of the aluminum pipe 5 is in contact with the pressing die 4, and the axis of the aluminum pipe 5 is parallel to the axes of the two rollers 1.

When the aluminum pipe pressing machine is used, as shown in figures 3-4 of the attached drawings of the specification, an aluminum pipe is placed on the two rollers in advance, a button of an electronic control unit is pressed, the electronic control unit controls the action of the power unit, the power unit pushes the pressing die 4 to move along the direction perpendicular to the axial direction of the rollers 1, the friction force between the pressing die 4 and the aluminum pipe enables the aluminum pipe to rotate, the character protrusions on the pressing die 4 leave marks on the surface of the aluminum pipe, after one-way movement of the pressing die 4 is finished, indentation of the aluminum pipe is finished, a finished product is taken out, a reset button is pressed, the pressing die 4 slides to an initial position in the opposite direction to wait for indentation.

This embodiment structural design is simple and ingenious, the aluminum pipe itself has the low characteristics of intensity, as long as exert certain pressure, and the work piece atress is even in the in-process of exerting pressure, just can not take place work piece deformation phenomenon, this application utilizes the low characteristics of aluminum pipe intensity, and this characteristics of the tubulose is held to ingenious gripping aluminum pipe, with the work piece centre gripping in moulding-die, in the space that two gyro wheels constitute, the frictional force of moulding-die promotes the work piece and rotates on the gyro wheel, the work piece rotates the even release of pressure that the in-process applyed with the moulding-die on two gyro wheels, the product percent of pass is high, high production efficiency, structural design stability is high, high reliability, it is not fragile.

The manufacturing cost of the utility model is more than about 1000 yuan, and compared with the purchasing of machine tools and other equipment, the manufacturing cost is very low, and the economic benefit is very obvious;

the embodiment has strong universality and wide application range, the distance between the pressing die and the rollers is realized by adjusting the distance between the two rollers, the requirements of workpieces with different specifications are met, and the depth of the indentation handwriting can be realized by adjusting the distance between every two rollers;

this embodiment practicality is very strong, is particularly useful for the printing of information such as electric power fitting aluminum pipe specification model, trade mark word size, has very important meaning in the electric power fitting trade.

Example 2:

the distance between the pressing die and the roller and the distance between the two rollers are accurately adjusted before the device is used. The stress point of the flat bottom surface 6 of the pressing die 4 contacting the upper surface of the aluminum pipe 5 is a point A, and the stress points of the aluminum pipe 5 supported on the two rollers 1 are a point B and a point C respectively; the connecting line of the stress point A, the stress point B and the stress point C forms an equilateral triangle. The equilateral triangle is formed, so that the stress of the aluminum pipe is more uniform in the rotating process, the probability of deformation of the workpiece caused by compression is almost zero, the high qualified rate of products is further effectively ensured, the product quality is effectively controlled, and considerable economic benefits are brought to enterprises;

example 3:

the embodiment comprises an indentation mechanism, a power unit and an electric control unit for controlling the start and stop of the power unit;

the indentation mechanism comprises a pair of rollers 1 with adjustable relative distance, and the rollers 1 are supported by a roller seat 2 and can rotate relative to the roller seat 2; a pressing die 4 provided with a character protrusion 3 is arranged above the roller 1, and the pressing die 4 slides back and forth along the direction vertical to the axial direction of the roller 1 under the action of a power unit; a workpiece aluminum pipe 5 is placed in a space formed by the pressing die 4 and the two rollers 1; the aluminum pipe 5 is supported by the two rollers 1, the upper surface of the aluminum pipe 5 is in contact with the pressing die 4, and the axis of the aluminum pipe 5 is parallel to the axes of the two rollers 1.

The pressing die 4 of the embodiment specifically comprises a character template fixing base 7, a character template movable base 8 and a character template 22 provided with character protrusions 3; the character template 22 is fixedly connected with the character template movable base 8 by adopting a detachable connection structure, and the character template movable base 8 is fixedly connected with the character template fixed base 7 by adopting a detachable connection structure; the character template fixing base 7 is supported on the frame by a sliding rod 9, and the character template fixing base 7 reciprocates along the sliding rod 9 under the action of a power unit. The power unit is a hydraulic cylinder 10, and an expansion rod 11 of the hydraulic cylinder 10 is fixedly connected with the character template fixing base 7. The pressing die 4 is connected with the sliding rod 9 through the copper bush 26, so that friction is reduced, and the moving flexibility of the pressing die is facilitated.

Further, the character template 22 is embedded in the character template movable base 8 and is fixedly connected with the character template movable base 8 in a bolt connection mode. The character template movable base 8 and the character template fixed base 7 are connected by adopting a dovetail mortise-tenon structure; namely, a dovetail tenon is designed on the character template movable base 8, a dovetail mortise is designed on the character template fixed base 7, and the character template movable base 8 and the character template fixed base 7 are fixedly connected by bolts after being spliced in a mortise-tenon manner. The dovetail mortise-tenon structure is designed into the dovetail mortise-tenon structure because the character templates are convenient to replace, the space in the vertical direction is limited, the character templates are difficult to replace, the movable base 8 of the character templates can be extracted from the side by utilizing the dovetail mortise-tenon structure, correspondingly, the character templates 22 fixedly connected with the movable base 8 of the character templates can be extracted from the side, the space in the side surface is infinite, the convenience for replacing the character templates is greatly increased, and the replacement time of the character templates is greatly shortened.

Further, the frame includes a frame side plate 27 and a frame base 12; the roller seat 2 comprises a roller backup plate 13 and a limiting block 14; both ends of the roller 1 are supported by roller backup plates 13; the outer sides of the two rollers 1 are respectively provided with a limit block 14 which is detachably and fixedly connected with the frame base 12, the roller backup plate 13 is fixed on the limit block 14, and the limit block 14 is fixedly connected with the frame side plate 27 through a limit block adjusting mechanism. A frame waist-shaped hole 28 is formed in the frame base 12, a limiting block through hole is formed in the limiting block 14 in the vertical direction, and a limiting bolt fastener 15 penetrates through the limiting block through hole and the frame waist-shaped hole 28 to fixedly connect the limiting block 14 to the frame base 12. The limiting block adjusting mechanism comprises a limiting screw 16, the limiting screw 16 penetrates through the rack side plate 27 to be fixedly connected with the limiting block 14, and the limiting screw 16 is fixedly connected with the rack side plate 27 through an adjustable locking piece.

The roller is supported on a roller backup plate 13, and the roller backup plate 13 is fixedly connected to a limit block 14, so that the position of the limit block 14 determines the position of the roller 1. The position of the roller 1 needs to be stable, the position of the limiting block 14 needs to be stable correspondingly, and the limiting block 14 is fixed in the embodiment through the vertical direction and the horizontal direction. In the vertical direction, after the position of the limiting block is adjusted, the limiting block 14 is fixedly connected to the frame base 12 by penetrating through the limiting block through hole and the frame waist-shaped hole 28 by using a limiting bolt fastener 15. The horizontal direction is realized by a limiting block adjusting mechanism, a limiting screw 16 penetrates through a side plate 27 of the rack and is fixedly connected with a limiting block 14, and the limiting screw 16 is fixedly connected with the side plate 27 of the rack through an adjustable locking piece; a pair of adjustable gyro wheel structural design is more ingenious, because moulding-die 4 weight is very heavy, and the distance between highly realizing moulding-die and the gyro wheel through adjustment moulding-die 4 is more difficult, and this embodiment is through the relative distance between two gyro wheels of regulation, and the relative distance between two gyro wheels changes, and the aluminum pipe height of placing between two gyro wheels just can change, realizes altitude mixture control through this. The pair of adjustable rollers can realize the adjustment of the distance between the two rollers and the adjustment of the distance between the pressing die and the rollers.

The adjustable retaining member of this embodiment refers to lock nut and adjusting nut, and for example the adjustable retaining member in the stopper adjustment mechanism refers to be equipped with lock nut and adjusting nut respectively in frame curb plate 27 both sides, and lock nut and adjusting nut all with stop screw 16 threaded connection.

The manufacturing cost of the invention is more than about 1000 yuan, compared with the equipment for purchasing machine tools and the like, the manufacturing cost is very low, and the economic benefit is very obvious;

Example 4:

on the basis of embodiment 3, the two side edges of the frame base 12 are respectively provided with the rails 25, and the roller backup plate 13 is provided with the sliding blocks sliding along the rails 25, so that the roller is convenient to adjust, the adjusting accuracy is high, the adjusting operation time is reduced, and the working efficiency is improved.

Example 5:

in this embodiment, on the basis of embodiment 4, an adjustable aluminum pipe positioning device 24 is arranged at one side of the creasing mechanism. Further, the adjustable aluminum pipe positioning device 24 comprises an adjusting screw 17, a transverse connecting piece 18, a vertical connecting piece 19, a positioning screw 20 and an aluminum pipe plug 21; one end of an adjusting screw 17 is fixedly connected with the roller seat 2, two ends of a transverse connecting piece 18 are respectively provided with a through hole, one end of the transverse connecting piece is fixedly connected with the adjusting screw 17 through an adjustable locking piece, and the through hole at the other end of the transverse connecting piece is aligned with the kidney-shaped hole of a vertical connecting piece 19 and then fixedly connected through a fastening piece; the upper end of the vertical connecting piece 19 is provided with a through hole, and the positioning screw rod 20 passes through the through hole of the vertical connecting piece 19 and then is fixedly connected with the vertical connecting piece 19 through the adjustable locking piece; the end of the positioning screw rod 20 close to the roller 1 is fixedly connected with an aluminum pipe plug 21, and the diameter of the aluminum pipe plug 21 is larger than that of the currently rolled aluminum pipe 5.

The adjustable aluminum pipe positioning device mainly aims at limiting the aluminum pipe, and when a worker places a workpiece, the worker can ensure that the product is engraved from the same position, so that the consistency of the product is ensured. The aluminum pipe plug 21 is fixedly connected with the positioning screw rod 20 in a threaded connection mode, and the aluminum pipe plug 21 can be selected according to the diameter of a workpiece needing indentation. The diameter of the aluminum pipe plug 21 is larger than that of the currently rolled aluminum pipe 5, only the aluminum pipe plug 21 with the diameter larger than that of the aluminum pipe 5 can support against the aluminum pipe 5, and when a worker places a workpiece, the top end of the workpiece is supported against the aluminum pipe plug 21. The adjusting screw 17 and the transverse connecting piece 18 are matched to adjust the position of the aluminum pipe plug 21 in the front-back direction, and the vertical connecting piece 19 and the positioning screw 20 are matched to adjust the position of the aluminum pipe plug 21 in the up-down direction.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an electric power fitting aluminum pipe indentator which characterized in that: the marking device comprises an indentation mechanism, a power unit and an electric control unit for controlling the start and stop of the power unit;

2. The aluminum pipe indentor for electric power fittings of claim 1, wherein: the stress point of the flat bottom surface of the pressing die contacting the upper surface of the aluminum pipe is a point A, and the stress points of the aluminum pipe supported on the two rollers are a point B and a point C respectively; the connecting line of the stress point A, the stress point B and the stress point C forms an equilateral triangle.

3. The indentor for an aluminum pipe of an electric power fitting according to claim 1 or 2, characterized in that: the pressing die comprises a character template fixing base, a character template movable base and a character template provided with character protrusions; the character template is fixedly connected with the character template movable base by adopting a detachable connecting structure, and the character template movable base is fixedly connected with the character template fixed base by adopting a detachable connecting structure; the character template fixing base is supported on the rack by a sliding rod and reciprocates along the sliding rod under the action of the power unit.

4. The aluminum pipe indenter for electric power fittings of claim 3, wherein: the power unit is a hydraulic cylinder, and a telescopic rod of the hydraulic cylinder is fixedly connected with the character template fixing base.

5. The aluminum pipe indenter for electric power fittings of claim 3, wherein: the movable base of the character template and the fixed base of the character template are connected by adopting a dovetail mortise-tenon structure, and the movable base and the fixed base of the character template are fixedly connected by adopting bolts after being spliced; the character template is fixedly connected with the movable base of the character template in a bolt connection mode.

6. The aluminum pipe indenter for electric power fittings of claim 3, wherein: the frame comprises a frame side plate and a frame seat; the roller seat comprises a roller backup plate and a limiting block; both ends of the roller are supported by the roller backup plate; two the outside of gyro wheel is equallyd divide do not be equipped with the detachable fixed connection's of frame seat stopper, the gyro wheel backup plate is fixed on the stopper, the stopper through stopper adjustment mechanism with frame curb plate rigid coupling.

7. The aluminum pipe indentor for electric power fittings of claim 6, wherein: the frame seat is provided with a frame waist-shaped hole, the limiting block is provided with a limiting block through hole in the vertical direction, and a limiting bolt fastener penetrates through the limiting block through hole and the frame waist-shaped hole and fixedly connects the limiting block to the frame seat.

8. The aluminum pipe indentor for electric power fittings of claim 6, wherein: the limiting block adjusting mechanism comprises a limiting screw rod, the limiting screw rod penetrates through the rack side plate and is fixedly connected with the limiting block, and the limiting screw rod is fixedly connected with the rack side plate through an adjustable locking piece.

9. The aluminum pipe indentor for electric power fittings of claim 1, wherein: and an adjustable aluminum pipe positioning device is arranged on one side of the creasing machine mechanism.

10. The aluminum pipe indentor for electric power fittings of claim 9, wherein: the adjustable aluminum pipe positioning device comprises an adjusting screw rod, a transverse connecting piece, a vertical connecting piece, a positioning screw rod and an aluminum pipe plug; one end of the adjusting screw is fixedly connected with the roller seat, through holes are respectively formed in two ends of the transverse connecting piece, one end of the transverse connecting piece is fixedly connected with the adjusting screw through an adjustable locking piece, and the through hole in the other end of the transverse connecting piece is fixedly connected with the waist-shaped hole of the vertical connecting piece through a fastening piece after being aligned with the waist-shaped hole; the upper end of the vertical connecting piece is provided with a through hole, and the positioning screw passes through the through hole of the vertical connecting piece and then is fixedly connected with the vertical connecting piece through the adjustable locking piece; and the end of the positioning screw rod close to the roller is fixedly connected with the aluminum pipe plug, and the diameter of the aluminum pipe plug is larger than that of the currently rolled aluminum pipe.