CN215659603U

CN215659603U - Automatic pipe grinding machine

Info

Publication number: CN215659603U
Application number: CN202122201599.3U
Authority: CN
Inventors: 王传凯; 吴绍清; 张守伟; 王怀伟
Original assignee: Shandong Xingtai Machinery Equipment Engineering Co ltd
Current assignee: Shandong Xingtai Machinery Equipment Engineering Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-28
Anticipated expiration: 2031-09-13

Abstract

The utility model belongs to the field of polishing equipment, and particularly relates to an automatic pipe grinding machine. The automatic pipe grinding machine comprises a lifting mechanism and a grinding mechanism, wherein the lifting mechanism comprises a first support frame, an air cylinder, a second support frame and a clamping device; the second support frame is provided with a groove which is vertically distributed on one side opposite to the first support frame, and the top of the cylinder is fixed with a lifting block; the lower end of the second support frame is connected with a baffle; the clamping device comprises a V-shaped sheet, and two clamping wheels are arranged on the V-shaped sheet; the top end of the lifting block is in an inclined Z shape; the grinding mechanism comprises two rotating wheels which rotate oppositely. This automatic pipe grinding machine through elevating system and grinding machanism's cooperation, can arrange the heat exchange tube of waiting to polish at the second support frame, realizes polishing automatically to the heat exchange tube automatic arrangement that will polish, work efficiency improves by a wide margin, and improves product quality.

Description

Automatic pipe grinding machine

Technical Field

The utility model belongs to the field of polishing equipment, and particularly relates to an automatic pipe grinding machine.

Background

The shell-and-tube heat exchanger is a device commonly used in a chemical container, the heat exchange tube is an important component part in the shell-and-tube heat exchanger, according to the regulation of GB/T151-2014 Heat exchanger 8.3.2, the outer surface of the tube end of the heat exchange tube made of carbon steel and low alloy steel is required to be derusted to present metal luster, and the tube end of the heat exchange tube made of high alloy steel, aluminum, copper, titanium, nickel, zirconium and alloys thereof is required to be removed of surface attachments and oxidation layers. Pipe end cleaning length:

a) for the welded joint, the cleaning length of the pipe end is not less than the outer diameter of the heat exchange pipe and not less than 25 mm;

b) for the expansion joint, the cleaning length of the pipe end is not less than the expansion joint strength length, and the expansion joint quality is not influenced;

c) the pipe end cleaning length of the heat exchange pipe of the double-pipe plate heat exchanger is specified according to a design document.

Usually when polishing the heat exchange tube pipe end, can adopt artifical hand to grind and arrange in order, this kind of mode inefficiency, and the quality of polishing is difficult to guarantee.

Disclosure of Invention

To the above-mentioned not enough of prior art, this is novel provides an automatic pipe grinding machine. This automatic pipe grinding machine through elevating system and grinding machanism's cooperation, can arrange the heat exchange tube of waiting to polish at the second support frame, realizes polishing automatically to the heat exchange tube automatic arrangement that will polish, work efficiency improves by a wide margin, and improves product quality.

In order to realize the functions, the novel automatic pipe grinding machine comprises a lifting mechanism and a grinding mechanism, wherein the lifting mechanism comprises a first support frame, a cylinder, a second support frame and a clamping device;

the second support frame is provided with a groove which is vertically distributed on one side opposite to the first support frame, the top of the cylinder is fixed with a lifting block, and one side surface of the lifting block can slide up and down along the groove;

the second support frame and the upper part of the first support frame are integrally downward inclined, and the lower end of the second support frame is connected with a baffle;

two ends of the clamping device are respectively fixed on the second support frame and the first support frame; the clamping device comprises a V-shaped sheet, two clamping wheels are arranged on the V-shaped sheet, and the clamping wheels are lower than the top end of the V-shaped sheet;

the top end of the lifting block is in an inclined Z shape, and a first low point close to one side of the first support frame, a second low point and a first high point which are positioned in the middle of the lifting block are formed on the top end surface of the lifting block; relative to the horizontal center line of the V-shaped sheet, the horizontal center line of the second low point and the first high point is closer to one side of the second support frame;

the grinding mechanism comprises two rotating wheels which rotate in opposite directions, and the horizontal central line between the two rotating wheels is superposed with the horizontal central line of the V-shaped sheet.

This novel further improvement, the runner is respectively for polishing wheel and tight pulley, and the tight pulley is connected with the motor, and the motor all is located mobile device upper portion. The polishing wheel is used for polishing, and the fixed wheel is adjusted and is polished the distance between the wheel through the mobile device and guarantee to wait to polish heat exchange tube and its laminating degree for the tip of waiting to polish the heat exchange tube is fully polished.

This novel further improvement, grinding machanism are located a supporting bench, and the mobile device is including being located a supporting bench's collet, fixed first horizontal pole on the collet, and the cover is equipped with the shift ring on the first horizontal pole, and the shift ring top is fixed with the motor, and the side of collet has the screw hole. Adopt this technical scheme, insert the screw hole with the screw rod that matches, rotatory screw rod, the motor lateral wall is being pushed against to the front end of screw rod, and the motor passes through the shift ring and removes at first horizontal pole, and then drives the tight pulley and remove.

This novel further improvement, the collet front end is fixed with the second horizontal pole, and the cover is equipped with the movable block on this second horizontal pole, is fixed with vertical baffle and horizontal distribution's guide way on the movable block, and the guide way is located between emery wheel and the tight pulley. By adopting the technical scheme, the guide groove is arranged on one side of the polishing mechanism, the polishing end of the heat exchange tube is just placed on the guide groove when polishing, and the guide groove plays a supporting role; the vertical baffle prevents the heat exchange tube from jumping and sliding down during polishing; the positions of the vertical baffle and the guide groove can be adjusted through the moving block, so that the vertical baffle and the guide groove can be conveniently matched with the position of the heat exchange tube.

The novel polishing device is further improved, the baffle is provided with a first through hole in a penetrating mode, the second supporting frame is provided with a first screw rod, the first screw rod penetrates through the first through hole, the baffle can horizontally move along the first through hole, the position of the baffle can be adjusted, and the heat exchange tube to be polished, which is positioned at the foremost end, is just picked up when the lifting block rises for subsequent polishing; the baffle front end is right angled triangle, and this right angled triangle's long limit orientation first support frame one side, and the right-angle side can play treats stopping of the heat exchange tube of polishing, is convenient for will treat that the heat exchange tube of polishing polishes in proper order, does not need artifical every all to operate.

This novel further improvement, clamping device include that both ends are fixed respectively in the backup pad of second support frame and first support frame, have the second through-hole in the middle of the backup pad, and the second screw rod is connected to the bottom of V-arrangement piece, and the second screw rod can be in the downthehole horizontal migration of second through-hole, and the second screw rod passes through the nut and is connected with the backup pad. By adopting the technical scheme, the position of the clamping device is convenient to adjust, the fixation of the heat exchange tube to be polished is ensured on one hand, and the position conversion of the heat exchange tube to be polished is realized by the cooperation of the lifting block on the other hand.

This novel further improvement, second support frame upper end is connected with auxiliary stay frame. By adopting the technical scheme, when the automatic pipe grinding machine mainly considers that the auxiliary support frame can support the heat exchange pipe to be ground when the automatic pipe grinding machine comprises one set of lifting mechanism and one set of grinding mechanism.

The novel polishing device is further improved, a shade is fixed above the polishing wheel, so that the environment pollution caused by scraps is avoided, and the cleaning is convenient; the fixed wheel is a rubber wheel, so that the heat exchange tube is not scratched while the proper fitting degree with the heat exchange tube is ensured.

This novel further improvement, this automatic pipe grinder include two sets of elevating system and one set of grinding machanism, and grinding machanism is located two sets of elevating system's intermediate position, adopts this technical scheme, when being applicable to the heat exchange tube both ends and needing to polish, realizes polishing fast.

This neotype beneficial effect lies in:

(1) the pipe grinding machine can arrange heat exchange pipes to be ground on a second support frame, the heat exchange pipes to be ground are fixed by means of a baffle plate, a lifting block is driven by a cylinder to move upwards along a groove, one end, close to the second support frame, of the lifting block lifts the heat exchange pipe to be ground positioned at the foremost end, the heat exchange pipe to be ground can slide to a second low point, the cylinder drives the lifting block to move downwards along the groove, the heat exchange pipe to be ground can block a V-shaped piece and then slide between two clamping wheels, and the other end of the heat exchange pipe to be ground is positioned in a guide groove between a grinding wheel and a fixing wheel; the polishing wheel and the fixed wheel rotate to polish the end part of the heat exchange tube to be polished; after polishing, the cylinder that resets drives the elevator along recess rebound, and the heat exchange tube of polishing can the landing first low point of elevator, and when first low point rose first support frame top, the first support frame of heat exchange tube landing of polishing realized arranging automatically.

(2) The polishing machine realizes quick and automatic polishing of a batch of heat exchange tubes, is high in polishing efficiency, and saves manpower and material resources.

(3) The grinding machine is matched with the fixed roller through the grinding wheel, and meanwhile, the grinding quality can be ensured by means of the positioning of the vertical baffle and the guide groove.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the novel lifting mechanism.

Fig. 2 is a schematic view of the overall structure of the novel polishing mechanism.

Fig. 3 is a schematic view of the connection structure of the novel baffle and the second support frame (enlarged view of area a in fig. 1).

Fig. 4 is a schematic view of the connection structure of the lifting block, the first support frame and the second support frame.

Fig. 5 is a schematic view of the connection structure of the moving device and the motor (enlarged view of area B in fig. 2).

Fig. 6 is a schematic diagram of the overall structure of the present invention.

In the figure, 1, a first support frame, 2, a second support frame, 3, a baffle, 4, a V-shaped piece, 5, a lifting block, 501, a first low point, 502, a first high point, 503, a second low point, 6, a cylinder, 7, a polishing wheel, 8, a fixed wheel, 9, a motor, 10, a moving device, 11, a vertical baffle, 12, a moving block, 13, a second cross rod, 14, a first cross rod, 15, a moving ring, 16, a bottom support, 17, a threaded hole, 18, a first through hole, 19, an auxiliary support frame, 20, a groove, 21, a support table, 22, a clamping wheel, 23, a second screw rod, 24, a second through hole, 25, a guide groove, 26 and a first screw rod.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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.

Example 1

As shown in fig. 1-3, the automatic pipe grinding machine comprises a lifting mechanism and a grinding mechanism, wherein the lifting mechanism comprises a first support frame 1, a cylinder 6, a second support frame 2 and a clamping device;

the second support frame 2 is provided with a groove 20 which is vertically distributed on one side opposite to the first support frame 1, the top of the cylinder 6 is fixed with a lifting block 5, and one side surface of the lifting block 5 can slide up and down along the groove 20;

the upper parts of the second support frame 2 and the first support frame 1 are integrally downward inclined, and the lower end of the second support frame 2 is connected with a baffle 3;

two ends of the clamping device are respectively fixed on the second support frame 2 and the first support frame 1; the clamping device comprises a V-shaped sheet, two clamping wheels 22 are arranged on the V-shaped sheet, and the clamping wheels are lower than the top end of the V-shaped sheet;

as shown in fig. 4, the top end of the lifting block 5 is in an inclined Z shape, and the top end surface of the lifting block forms a first low point 501 close to one side of the first support frame, a second low point 503 and a first high point 502 in the middle of the lifting block; relative to the horizontal center line of the V-shaped sheet 4, the horizontal center lines of the second low point 503 and the first high point 502 are closer to one side of the second support frame 2;

the grinding mechanism comprises two rotating wheels which rotate oppositely, and the horizontal central line between the two rotating wheels is superposed with the horizontal central line of the V-shaped sheet 4.

Example 2

On the basis of the embodiment 1, as shown in fig. 5, the rotating wheels are a grinding wheel 7 and a fixed wheel 8 respectively, the fixed wheel 8 is connected with a motor 9, and the motors 9 are all positioned on the upper part of the moving device 10.

Grinding machanism is located a supporting bench, and the mobile device is including the collet 16 that is located a supporting bench, fixes first horizontal pole 14 on the collet 16, and the cover is equipped with shift ring 15 on the first horizontal pole 14, and shift ring 15 top is fixed with motor 9, and the side of collet 16 has screw hole 17.

The front end of the bottom support 16 is fixed with a second cross rod 13, a moving block 12 is sleeved on the second cross rod, a vertical baffle 11 and a guide groove 25 which is horizontally distributed are fixed on the moving block 12, and the guide groove 25 is located between the polishing wheel 7 and the fixed wheel 8.

As shown in fig. 3, a first through hole 18 is formed in the baffle 3, a first screw rod is arranged on the second support frame 2, the first screw rod penetrates through the first through hole, and the baffle can horizontally move along the first through hole 18; the front end of the baffle is in the shape of a right triangle, and the long side of the right triangle faces one side of the first support frame.

The clamping device comprises a supporting plate, two ends of the supporting plate are respectively fixed on the second supporting frame and the first supporting frame, a second through hole 24 is formed in the middle of the supporting plate, the bottom end of the V-shaped sheet 4 is connected with a second screw 23, the second screw 23 can horizontally move in the second through hole 24, and the second screw 23 is connected with the supporting plate through a nut.

The upper end of the second support frame is connected with an auxiliary support frame 19.

A shade is fixed above the grinding wheel 7, and the fixed wheel 8 is a rubber wheel.

When the heat exchange tube polishing device is used specifically, a batch of heat exchange tubes to be polished are arranged on a second support frame 2, the heat exchange tubes to be polished are blocked on the second support frame 2 by means of a baffle 3, a lifting block 5 is driven by a cylinder 6 to move upwards along a groove 20, one end of the lifting block 5, which is close to the second support frame 2, lifts the heat exchange tube to be polished, which is positioned at the foremost end, the heat exchange tube to be polished can slide to a second low point 503 of the lifting block 5, the cylinder drives the lifting block to move downwards along the groove at the moment and descend to a certain height, the heat exchange tube to be polished can be blocked on a V-shaped sheet, then the heat exchange tube to be polished can slide between two clamping wheels 22, the other end of the heat exchange tube to be polished is positioned in a guide groove 25 between a polishing wheel 7 and a fixed wheel 8, and a moving device 10 is adjusted to ensure that the guide groove is properly positioned; the polishing wheel and the fixed wheel rotate to polish the end part of the heat exchange tube to be polished; after polishing, the cylinder after resetting drives the lifting block to move upwards again along the groove, when the lifting block rises to a certain position, the polished heat exchange tube can be supported by the top of the lifting block 5, then the heat exchange tube slides to the first low point 501 of the lifting block, when the first low point rises to the top of the first support frame 1, the polished heat exchange tube slides to the first support frame 1, the polished heat exchange tube slides downwards along the first support frame 1, automatic arrangement is realized, and the steps are repeated in sequence. The lifting of the air cylinder can be controlled by the aid of a common air cylinder processor in the market to control the lifting time and the falling time. And when the lifting block rises for the second time, the second pipe to be polished is lifted.

Example 3

The difference from the embodiment 2 is that the automatic pipe grinding machine comprises two sets of lifting mechanisms and one set of grinding mechanism, and the grinding mechanism is located in the middle of the two sets of lifting mechanisms. In order to fix the heat exchange tube to be polished conveniently, the V-shaped blocks of the two sets of lifting mechanisms can be adjusted to opposite surfaces for the positions of the V-shaped blocks, and the V-shaped blocks 4 shown in the attached drawings 6 and 1 are opposite side surfaces of the second support frame 2.

Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Automatic tube grinding machine, its characterized in that: the grinding device comprises a lifting mechanism and a grinding mechanism, wherein the lifting mechanism comprises a first support frame (1), an air cylinder (6), a second support frame (2) and a clamping device;

a groove (20) which is vertically distributed is formed in one side, opposite to the first support frame (1), of the second support frame (2), a lifting block (5) is fixed to the top of the air cylinder (6), and one side face of the lifting block (5) can slide up and down along the groove (20);

the upper parts of the second support frame (2) and the first support frame (1) are integrally inclined downwards, and the lower end of the second support frame (2) is connected with a baffle (3);

two ends of the clamping device are respectively fixed on the second support frame (2) and the first support frame (1); the clamping device comprises a V-shaped sheet, two clamping wheels (22) are arranged on the V-shaped sheet, and the clamping wheels are lower than the top end of the V-shaped sheet;

the top end of the lifting block (5) is in an inclined Z shape, and a first low point (501) close to one side of the first support frame, a second low point (503) positioned in the middle of the lifting block and a first high point (502) are formed on the top end surface of the lifting block; relative to the horizontal center line of the V-shaped sheet (4), the horizontal center lines at the second low point (503) and the first high point (502) are closer to one side of the second support frame (2);

the grinding mechanism comprises two rotating wheels which rotate in opposite directions, and the horizontal central line between the two rotating wheels is superposed with the horizontal central line of the V-shaped sheet (4).

2. The automatic tube grinding machine of claim 1, wherein: the runner is respectively for grinding wheel (7) and tight pulley (8), tight pulley (8) are connected with motor (9), and motor (9) all are located mobile device (10) upper portion.

3. The automatic tube grinding machine of claim 2, wherein: grinding machanism is located a supporting bench (21), mobile device is including being located a supporting bench collet (16), fixed first horizontal pole (14) on collet (16), and the cover is equipped with shift ring (15) on first horizontal pole (14), and shift ring (15) top is fixed with motor (9), and there is screw hole (17) side of collet (16).

4. The automatic tube grinding machine of claim 3, wherein: the grinding wheel is characterized in that a second cross rod (13) is fixed to the front end of the bottom support (16), a moving block (12) is sleeved on the second cross rod, a vertical baffle (11) and guide grooves (25) which are horizontally distributed are fixed to the moving block (12), and the guide grooves (25) are located between the grinding wheel (7) and the fixed wheel (8).

5. The automatic tube grinding machine of claim 1, wherein: a first through hole (18) penetrates through the baffle (3), a first screw rod penetrates through the second supporting frame (2), and the baffle can horizontally move along the first through hole (18); the front end of the baffle is in the shape of a right triangle, and the long side of the right triangle faces one side of the first support frame.

6. The automatic tube grinding machine of claim 1, wherein: the clamping device comprises a supporting plate, two ends of the supporting plate are respectively fixed on the second supporting frame and the first supporting frame, a second through hole (24) is formed in the middle of the supporting plate, the bottom end of the V-shaped piece (4) is connected with a second screw rod (23), the second screw rod (23) can horizontally move in the second through hole (24), and the second screw rod (23) is connected with the supporting plate through a nut.

7. The automatic tube grinding machine of claim 1, wherein: the upper end of the second support frame (2) is connected with an auxiliary support frame (19).

8. The automatic tube grinding machine of claim 2, wherein: a shade is fixed above the grinding wheel (7), and the fixed wheel (8) is a rubber wheel.

9. The automatic tube grinding machine of claim 1, wherein: the automatic pipe grinding machine comprises two sets of lifting mechanisms and one set of grinding mechanism, wherein the grinding mechanism is located in the middle of the two sets of lifting mechanisms.