CN112547917A

CN112547917A - Automatic double-end dotting equipment for pipes

Info

Publication number: CN112547917A
Application number: CN202011578947.2A
Authority: CN
Inventors: 周志尚; 吴鲜朝; 王联宁
Original assignee: Hefei Zhongan Machinery & Electric Appliances Co ltd
Current assignee: Hefei Zhongan Machinery & Electric Appliances Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-03-26

Abstract

The invention discloses automatic double-head dotting equipment for pipes, which comprises a feeding mechanism, a plurality of dotting mechanisms, a discharging chute and a material conveying structure, wherein the feeding mechanism and the dotting mechanisms are fixedly arranged on a rack; the dotting mechanism is composed of a pipe support fixedly arranged in the middle of the rack, a base and an electric push rod which are fixedly arranged at the edge of the rack and are respectively arranged on two sides of the pipe support, and a clamping driving mechanism and a dotting component which are fixedly arranged on the base, wherein the output end of the electric push rod is over against the clamping driving mechanism; the dotting component is composed of supporting blocks, an outer die, compression springs and punching needles, wherein the upper ends of the two supporting blocks are respectively rotatably provided with a first supporting rod, and the other end of each first supporting rod is connected with a movable part which moves in opposite directions of the clamping driving mechanism through a waist hole. This equipment, degree of automation is high, can realize that high efficiency carries out the spacing dotting of indent to tubular product to can avoid causing the condition of deformation around the tubular product department of dotting after dotting.

Description

Automatic double-end dotting equipment for pipes

Technical Field

The invention belongs to the technical field of pipe processing equipment, and particularly relates to automatic double-head dotting equipment for pipes.

Background

The metal pipe is widely applied to the fields of petrochemical industry, food medical treatment, mechanical parts and the like, is an indispensable part, mainly comprises pipe expanding, pipe contracting, chamfering, profiling, dotting, punching and the like aiming at the processing mode of the metal pipe, and the dotting is one of the most common processing modes, namely the operation of directly acting on the metal pipe by using a dotting instrument to enable the pipe to form concave points and through holes.

At present, the automation degree of the used pipe dotting equipment is relatively low, the dotting efficiency is also required to be enhanced, and the traditional dotting mechanism is easy to cause the deformation of the periphery of the dotting position to a certain degree when the pipe dotting operation is performed, so that the production quality of the pipe is influenced to a certain extent, and the design needs to be updated.

Disclosure of Invention

The invention aims to provide an automatic double-head dotting device for pipes, which is put into use and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic double-head dotting device for pipes comprises a feeding mechanism, a plurality of dotting mechanisms, a discharge chute and a material conveying structure, wherein the feeding mechanism and the dotting mechanisms are fixedly arranged on a rack;

the dotting mechanism is composed of a pipe support fixedly arranged in the middle of the rack, a base and an electric push rod which are fixedly arranged at the edge of the rack and are respectively arranged on two sides of the pipe support, and a clamping driving mechanism and a dotting component which are fixedly arranged on the base, wherein the output end of the electric push rod is over against the clamping driving mechanism;

the dotting component is composed of two supporting blocks arranged on the base in a relative sliding mode through supporting plates, an outer die arranged on the side of each supporting block in a relative sliding mode, a compression spring arranged between each supporting block and the outer die and a punch pin horizontally and fixedly arranged on each supporting block and with the end inserted into a die groove of the outer die, first supporting rods are rotatably arranged at the upper ends of the two supporting blocks, and the other ends of the first supporting rods are connected with movable portions of the clamping driving mechanisms in opposite movement through waist holes.

Preferably, at least one of the pair of supporting blocks of each dotting component is provided with a punching needle.

Preferably, the clamping driving mechanism is composed of an air cylinder fixedly mounted on the base, a wedge-shaped sliding block fixedly mounted at the end part of the air cylinder, and two transmission cranks symmetrically and rotatably mounted above the base, the middle parts of the transmission cranks are rotatably connected with the base, an elastic reset mechanism is arranged between the ends, close to the air cylinder, of the two transmission cranks, and a roller rotatably mounted at one end of each transmission crank slides along the inclined plane of the wedge-shaped sliding block.

Preferably, the elastic reset mechanism is composed of two second support rods hinged to the upper end of the wedge-shaped sliding block, a fixing bolt fixedly installed at the end part of the transmission crank, and a counter-pull spring, two ends of the counter-pull spring are fixedly connected with the two fixing bolts respectively, and the fixing bolt penetrates through a waist hole formed in the end part of the second support rod and is fixedly connected with the transmission crank.

Preferably, a guide rail is arranged below the wedge-shaped sliding block, and the movable part of the guide rail is fixedly connected with the wedge-shaped sliding block.

Preferably, feed mechanism is by the vibration dish, set up in the ejection of compact slide of vibration dish exit, the bottom with beat a little mechanism one end and link up fixed branch silo, set up the baffle between ejection of compact slide and branch silo and slide and set up the knock pin on the baffle and constitute, when the knock pin is totally risen, can promote the tubular product of ejection of compact slide bottom to cross the baffle and get into branch silo.

Preferably, the distributing groove is composed of an inclined plate piece fixedly installed at the edge of the rack, a limiting groove arranged on the inclined plate piece in the width direction, and a baffle fixedly installed on the inclined plate piece and capable of sliding along the limiting groove.

Preferably, the material conveying structure is composed of a plurality of pneumatic claws which are driven by linear driving equipment to translate or lift.

Preferably, the base is fixedly provided with a limiting ejector rod through a supporting plate, and the end parts of the limiting ejector rod and the electric push rod are opposite.

Preferably, a guide shaft is vertically and fixedly arranged on one side of the outer die close to the supporting block, the guide shaft penetrates through the supporting block, and the compression spring is sleeved on the outer side of the guide shaft between the supporting block and the outer die.

The invention has the technical effects and advantages that: the automatic double-head dotting equipment for the pipe,

1. at first carry the tip of dotting mechanism with tubular product through feed mechanism, the gas claw through conveying mechanism snatchs tubular product, and lift it and carry forward, the gas claw sends tubular product to tubular product support top back, descend through sharp drive arrangement drive gas claw, settle tubular product on the tubular product support, drive the component of dotting through centre gripping actuating mechanism and beat the operation, accomplish the ejection of compact through the blowpit at last, whole equipment intelligent degree is high, the machining efficiency of dotting the operation has been accelerated, the practicality is stronger.

2. In the working process of the dotting component, the outer die firstly contacts the pipe, the die cavity of the outer die is clamped to the outer side of the pipe and is attached to the outer wall of the pipe, and the supporting seat is continuously close to the outer wall of the pipe, so that the punching needle is pushed to translate towards the inner side of the die cavity, the end part of the punching needle is abutted to the outer wall of the pipe, dotting is realized, deformation of the periphery of the dotting position is effectively avoided, and the product quality is guaranteed.

3. The clamping driving structure is small in size and quick in response, so that dotting efficiency is guaranteed, only one air cylinder is used as an output part, and the failure rate is low

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a dotting assembly;

FIG. 3 is a schematic structural view of the feeding mechanism (with the vibrating disk removed);

fig. 4 is a schematic structural diagram of the distributing trough.

In the figure: 1. a frame; 2. a dotting mechanism; 21. a pipe support; 22. a base; 23. an electric push rod; 24. a clamping drive mechanism; 25. a dotting component;

241. a cylinder; 242. a wedge-shaped slider; 243. a drive crank;

251. a support block; 252. an outer mold; 253. a compression spring; 254. punching a needle;

3. an elastic reset mechanism; 31. a second support bar; 32. fixing the bolt; 33. a counter-pulling spring;

4. a material conveying structure; 41. a pneumatic claw;

5. a feeding mechanism; 51. a vibrating pan; 52. a discharge chute; 53. a material distributing groove; 54. a partition plate; 55. a knock pin;

531. a swash plate member; 532. a limiting groove; 533. a baffle plate;

6. a guide rail; 7. a discharge chute; 8. a limit ejector rod; 9. an electric push rod; 10. a guide shaft; 11. a first support bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides automatic double-head dotting equipment for pipes as shown in figures 1-4, which comprises a feeding mechanism 5, a plurality of dotting mechanisms 2, a discharge chute 7 and a material conveying structure 4, wherein the feeding mechanism 5 and the dotting mechanisms 2 are fixedly arranged on a rack 1;

the dotting mechanism 2 is composed of a pipe support 21 fixedly arranged in the middle of the rack 1, a base 22 and an electric push rod 923 fixedly arranged at the edge of the rack 1 and respectively arranged at two sides of the pipe support 21, and a clamping driving mechanism 24 and a dotting component 25 fixedly arranged on the base 22, wherein the output end of the electric push rod 923 is just opposite to the clamping driving mechanism 24;

the dotting component 25 is composed of two supporting blocks 251 which are arranged on the base 22 in a relatively sliding mode through supporting plates, an outer die 252 which is arranged on the side of the supporting blocks 251 in a relatively sliding mode, a compression spring 253 which is arranged between the supporting blocks 251 and the outer die 252, and a punch pin 254 which is horizontally and fixedly arranged on the supporting blocks 251 and the end portion of which is inserted into a die groove of the outer die 252, wherein the upper ends of the two supporting blocks 251 are respectively rotatably provided with a first supporting rod 11, and the other end of each first supporting rod 11 is connected with a movable portion of the clamping driving mechanism 24 through a waist hole.

The base 22 is fixedly provided with a limiting ejector rod 8 through a supporting plate, and the limiting ejector rod 8 is opposite to the end part of the electric push rod 923. The distance that electric putter 923 promoted the tubular product motion is restricted to the position that needs to be got a dotting mark is fixed a position fast, and the practicality is strong.

The material conveying structure 4 is composed of a plurality of pneumatic claws 41 which are driven by linear driving equipment to translate or lift.

Dotting: firstly, a pipe is conveyed to the end part of the dotting mechanism 2 through the feeding mechanism 5, the pipe is grabbed through an air claw 41 of the conveying mechanism and is hoisted to convey forwards, after the pipe is conveyed to the upper part of a pipe support 21 by the air claw 41, the air claw 41 is driven to descend through linear driving equipment, and the pipe is placed on the pipe support 21;

the electric push rod 923 is started to push one end of the pipe to move towards the inner side of the dotting component 25, after one end of the pipe props against the limiting push rod 8 on the base 22, the clamping driving mechanism 24 is started to drive the supporting seat of the dotting component to move in opposite directions, firstly, the outer die contacts the pipe, the die cavity of the outer die is clamped to the outer side of the pipe and is attached to the outer wall of the pipe, and the supporting seat is continuously close to push the punching needle 254 to move towards the inner side of the die cavity, so that the end part of the punching needle 254 is pressed against the outer wall of the pipe to realize dotting, after the dotting is finished, the pipe is grabbed by descending the air claw 41 to move horizontally and is conveyed to the discharge chute 7, the pipe slides out of the dotting mechanism 2, the intelligent degree of the whole equipment is high, the processing efficiency of the dotting operation is accelerated, the practicability is stronger, and the periphery of the, the product quality is ensured.

At least one of the pair of support blocks 251 of each striking assembly 25 is provided with a punch pin 254. When only one of the two supporting blocks 251 of one dotting component 25 is provided with the punching needle 254, single-point operation can be performed on the pipe at one position, and similarly, when both the two supporting blocks 251 are provided with the punching needles 254, the double-point operation effect can be realized, and the applicability is enhanced.

The clamping driving mechanism 24 is composed of an air cylinder 241 fixedly installed on the base 22, a wedge-shaped slider 242 fixedly installed at the end of the air cylinder 241, and two transmission cranks 243 symmetrically and rotatably installed above the base 22, the middle parts of the transmission cranks 243 are rotatably connected with the base 22, an elastic reset mechanism 3 is arranged between one ends of the two transmission cranks 243 close to the air cylinder 241, and a roller rotatably installed at one end of the transmission cranks 243 slides along the inclined plane of the wedge-shaped slider 242. After extending through cylinder 241, promote wedge slider 242 and slide towards between two transmission cranks 243 to the one end that promotes transmission cranks 243 is kept away from each other, because transmission cranks 243's middle part and base 22 rotate to be connected, then transmission cranks 243's the other end is close to each other, thereby subassembly 25 work is got ready in the drive, this centre gripping drive structure, small, the reaction is rapid, thereby guarantee to get ready efficiency, and only need a cylinder as the output, the fault rate is low, the practicality is strong.

The elastic reset mechanism 3 is composed of two second support rods 31 hinged with the upper end of the wedge-shaped sliding block 242, fixing bolts 32 fixedly arranged at the end parts of the transmission cranks 243, and opposite-pulling springs 33, the two ends of each of which are fixedly connected with the two fixing bolts 32, wherein the fixing bolts 32 penetrate through waist holes formed in the end parts of the second support rods 31 and are fixedly connected with the transmission cranks 243. After the cylinder 241 retracts, the opposite-pulling spring 33 of the elastic resetting mechanism 3 pulls the end portions of the two transmission cranks 243 to approach each other, and then the other ends of the two transmission cranks are away from each other, so that the dotting component 25 is driven to separate to wait for the next dotting operation.

A guide rail 6 is arranged below the wedge-shaped sliding block 242, and the movable part of the guide rail 6 is fixedly connected with the wedge-shaped sliding block 242. The wedge-shaped sliding block 242 can slide along the guide rail 6 when the air cylinder 241 pushes the wedge-shaped sliding block 242 to move, and the wedge-shaped sliding block 242 is kept stable when the air cylinder 241 drives the wedge-shaped sliding block 242 to move rapidly and interact with the transmission crank 243.

The feeding mechanism 5 is composed of a vibrating disk 51, a discharging slideway 52 arranged at the outlet of the vibrating disk 51, a distributing groove 53 with the bottom end fixedly connected with one end of the dotting mechanism 2, a partition plate 54 arranged between the discharging slideway 52 and the distributing groove 53 and a top pin 55 arranged on the partition plate 54 in a sliding manner, and when the top pin 55 is completely lifted, a pipe at the bottom end of the discharging slideway 52 can be pushed to cross the partition plate 54 and enter the distributing groove 53. The vibration of the vibration disc 51 enables the internal pipe to slide into the discharging slideway 52 and slide down to the partition plate 54 along the discharging slideway 52, and meanwhile, the linear driving mechanism (air cylinder and the like) pushes the ejector pin 55 to rise, so that the pipe is pushed to rise, and the pipe crosses the partition plate 54 to enter the distributing groove 53 to wait for the air claw 41 to grab.

The material distributing groove 53 is composed of a sloping plate member 531 fixedly installed at the edge of the frame 1, a limiting groove 532 arranged on the sloping plate member 531 along the width direction, and a baffle 533 fixedly installed on the sloping plate member 531 and capable of sliding along the limiting groove 532. The distance between the two baffles 533 can be conveniently adjusted, so that the device is suitable for arranging pipes with different lengths.

One side of the outer die close to the supporting block 251 is relatively and vertically fixedly provided with a guide shaft 10, the guide shaft 10 penetrates through the supporting block 251, and the compression spring 253 is sleeved on the outer side of the guide shaft 10 between the supporting block 251 and the outer die. After the supporting block 251 is close to the outer die and the punching pin 254 is pushed to punch the pipe by compressing the spring 253, the supporting block 251 and the outer die are pushed to be away from each other, so that the outer die always contacts the side wall of the pipe first when the next dotting operation is performed, and the periphery of the dotting position is clamped and protected.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an equipment is got ready to automatic double-end of tubular product which characterized in that: the automatic dotting machine comprises a feeding mechanism (5) and a plurality of dotting mechanisms (2) which are fixedly arranged on a rack (1), a discharge chute (7) fixedly arranged at the tail end of the dotting mechanism (2) and a material conveying structure (4) horizontally arranged above the dotting mechanism (2) in a sliding manner;

the dotting mechanism (2) is composed of a pipe support (21) fixedly arranged in the middle of the rack (1), a base (22) and electric push rods (9) and (23) fixedly arranged at the edge of the rack (1) and respectively arranged at two sides of the pipe support (21), a clamping driving mechanism (24) and a dotting component (25) fixedly arranged on the base (22), and the output ends of the electric push rods (9) and (23) are opposite to the clamping driving mechanism (24);

the dotting component (25) is composed of two supporting blocks (251) which are arranged on a base (22) in a relative sliding mode through supporting plates, an outer die (252) which is arranged on the side of the supporting blocks (251) in a relative sliding mode, a compression spring (253) arranged between the supporting blocks (251) and the outer die (252) and a punching needle (254) which is horizontally and fixedly arranged on the supporting blocks (251) and the end portion of the punching needle is inserted into a die groove of the outer die (252), first supporting rods (11) are arranged at the upper ends of the two supporting blocks (251) in a rotating mode, and the other ends of the first supporting rods (11) are connected with a movable portion which moves in the opposite direction of a clamping driving mechanism.

2. The automatic double-head dotting equipment for the pipes as claimed in claim 1, wherein: at least one of the pair of supporting blocks (251) of each dotting component (25) is provided with a punching needle (254).

3. The automatic double-head dotting equipment for the pipes as claimed in claim 1, wherein: the clamping driving mechanism (24) is composed of an air cylinder (241) fixedly mounted on a base (22), a wedge-shaped sliding block (242) fixedly mounted at the end of the air cylinder (241), and two transmission cranks (243) symmetrically and rotatably mounted above the base (22), the middle parts of the transmission cranks (243) are rotatably connected with the base (22), an elastic reset mechanism (3) is arranged between one ends of the two transmission cranks (243) close to the air cylinder (241), and a roller rotatably mounted at one end of each transmission crank (243) slides along the inclined plane of the wedge-shaped sliding block (242).

4. The automatic double-head dotting equipment for the pipes as claimed in claim 3, wherein: the elastic reset mechanism (3) is composed of two second support rods (31) hinged to the upper end of the wedge-shaped sliding block (242), a fixing bolt (32) fixedly installed at the end of the transmission crank (243), and a split spring (33) with two ends fixedly connected with the two fixing bolts (32) respectively, wherein the fixing bolt (32) penetrates through a waist hole formed in the end of the second support rod (31) and is fixedly connected with the transmission crank (243).

5. The automatic double-head dotting equipment for the pipes as claimed in claim 3 or 4, wherein: a guide rail (6) is arranged below the wedge-shaped sliding block (242), and the movable part of the guide rail (6) is fixedly connected with the wedge-shaped sliding block (242).

6. The automatic double-head dotting equipment for the pipes as claimed in claim 1, wherein: the feeding mechanism (5) is composed of a vibrating disc (51), a discharging slide way (52) arranged at the outlet of the vibrating disc (51), a distributing groove (53) with the bottom end fixedly connected with one end of the dotting mechanism (2), a partition plate (54) arranged between the discharging slide way (52) and the distributing groove (53) and a top pin (55) arranged on the partition plate (54) in a sliding mode, and when the top pin (55) is completely lifted, a pipe at the bottom end of the discharging slide way (52) can be pushed to cross the partition plate (54) to enter the distributing groove (53).

7. The automatic double-head dotting equipment for the pipes as claimed in claim 6, wherein: the material distributing groove (53) is formed by an inclined plate member (531) fixedly installed at the edge of the rack (1), a limiting groove (532) arranged on the inclined plate member (531) along the width direction and a baffle plate (533) fixedly installed on the inclined plate member (531) and capable of sliding along the limiting groove (532).

8. The automatic double-head dotting equipment for the pipes as claimed in claim 1, wherein: the material conveying structure (4) is composed of a plurality of pneumatic claws (41) which are driven to translate or lift by linear driving equipment.

9. The automatic double-head dotting equipment for the pipes as claimed in claim 1, wherein: the base (22) is fixedly provided with a limiting ejector rod (8) through a supporting plate, and the end parts of the limiting ejector rod (8) and the electric push rods (9) and (23) are opposite.

10. The automatic double-head dotting equipment for the pipes as claimed in claim 1, wherein: one side of the outer die, which is close to the supporting block (251), is relatively and vertically fixedly provided with a guide shaft (10), the guide shaft (10) penetrates through the supporting block (251), and the compression spring (253) is sleeved on the outer side of the guide shaft (10) between the supporting block (251) and the outer die.