阅读说明：本技术 电力金具铝管压痕机 (Aluminum pipe marking press for electric power fittings ) 是由 赵广平 张静华 韦安建 朱路 张聪 于 2019-08-16 设计创作，主要内容包括：本发明公开了一种电力金具铝管压痕机,属于电力金具技术领域,解决了传统电力金具铝管压痕无合适压痕机的问题。主要包括压痕机构、动力单元和控制所述动力单元启停的电控单元。本发明结构设计简单而巧妙,利用铝管强度低、以及结构呈管状这一特点,将工件夹持在压模、两滚轮构成的空间内,压模的摩擦力推动工件在滚轮上转动,工件转动过程中将压模施加的压力在两滚轮上均匀释放,产品合格率高,生产效率高,结构设计稳定性高,可靠性高,不易损坏,使用寿命长；成本低,通用型强,在电力金具行业内具有非常重要的意义。(the invention discloses an aluminum pipe indenting machine for electric power fittings, belongs to the technical field of electric power fittings, and solves the problem that no suitable indenting machine is available for indenting aluminum pipes of traditional electric power fittings. 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 aluminum pipe clamping device has the advantages that the structural design is simple and ingenious, the characteristics that the aluminum pipe is low in strength and the structure is tubular are utilized, a workpiece is clamped in a space formed by the pressing die and the two rollers, 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.)

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;

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.

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 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.

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.

Technical Field

the invention belongs to the technical field of electric power fittings, and particularly relates to an electric power aluminum pipe indenting machine which is suitable for indenting and lettering on the surface of an aluminum pipe, has strong universality, high structural design stability, adjustable indentation depth, good indentation effect, uniform stress on a workpiece and low manufacturing cost.

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 invention provides a Chinese patent with an authorization notice number of CN105436298B and an authorization notice date of 2017.08.25, which is named as an aluminum tube marking press, and the technical scheme disclosed by the invention also aims to solve the problem of how to stamp other marks such as trademarks on 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.

Disclosure of Invention

the invention aims to provide the electric power fitting aluminum pipe indenting machine which is suitable for indenting and lettering on the surface of an aluminum pipe, has strong universality, high structural design stability, adjustable indentation depth, good indenting effect, uniform stress on a workpiece and low manufacturing cost and is suitable for indenting and lettering on the surface of the aluminum pipe.

The invention is realized by the 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 invention has the beneficial effects that:

1. The aluminum pipe has the advantages that the structural design is simple and ingenious, the aluminum pipe has the characteristic of low strength, and the workpiece cannot deform as long as a certain pressure is applied and the workpiece is uniformly stressed in the pressure application process;

2. 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;

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

4. The printing machine has strong practicability, is particularly suitable for printing information such as the specification and the model of the aluminum pipe of the electric power fitting, the trademark and the character number, and has very important significance in the electric power fitting industry.

Drawings

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

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

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

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

FIG. 5 is a schematic view of a backside structure of an embodiment of the present invention;

FIG. 6 is a cross-sectional view taken in the direction E-E of FIG. 5 in accordance with the present invention;

FIG. 7 is a schematic diagram of the front or back side structure of the word template according to the embodiment of the present invention;

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

FIG. 9 is a schematic structural diagram of the front direction of the movable base of the word template according to the embodiment of the present invention;

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

Fig. 11 is a schematic top view of a rack mount according to an embodiment of the 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 invention is further described below with reference to the accompanying drawings:

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 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.