CN205600398U - Fixed length material feeding unit of long saw cutter is decided to tubular product or section bar - Google Patents

Abstract

The utility model discloses a fixed-length feeding device of a pipe or profile fixed-length sawing machine, which comprises a conveying frame and a pinch frame. One of the conveying rollers of the roller group is driven by the longitudinal conveying power device, and the lower pressing roller driven by the lower pressing power device is installed vertically on the conveying frame, and the lower pressing roller cooperates with the conveying roller group; the pinch frame slides vertically A pinching trolley is installed, and the pinching trolley is equipped with a clamping mechanism for clamping pipes or profiles. The pinching trolley is connected with a fixed-length conveying motor, and the downstream end of the pinching rack is slidingly provided with a device to block or release pipes or profiles. The end positioning baffle is connected with the baffle driving device. The fixed-length feeding device can clamp the pipe to convey any length, and the sawing machine does not need to cut the head and tail after feeding, thereby reducing the cost and the number of times of sawing.

Description

A fixed-length feeding device for a fixed-length sawing machine for pipes or profiles

technical field

The utility model relates to a fixed-length feeding device, in particular to a fixed-length feeding device for a pipe or profile sawing machine.

Background technique

In the field of sawing pipes or profiles, general sawing needs to cut the head and tail, that is, when the pipe or profile is clamped and transported, the head of the pipe must be cut with a saw blade, so as to facilitate the clamping and conveying mechanism to measure the conveying length , and after cutting the pipe or profile with several knives, it is necessary to cut the tail of the pipe or profile, leaving a certain length of tail material. The main reason is that all tolerances are accumulated to the last section of pipe or profile during the cutting process. Therefore, the current sawing machine will produce a certain amount of material waste when sawing to a fixed length, and also increase the number of cutting times, and the cutting efficiency is low. However, the current feeding device has a simple structure, which is to use a longitudinally movable clamping mechanism to clamp the pipe and transport it forward. The conveying distance is pre-determined. In addition, because the sawing machine cannot know the position of the end of the pipe, the feeding device needs to clamp the pipe or profile and send it to the saw blade for cutting, and then transport it to a fixed length. The feeding distance of this feeding device cannot be adjusted in time, and at the same time, the head and tail need to be cut when sawing after feeding, which wastes materials and increases the number of times of sawing.

Utility model content

The technical problem to be solved by the utility model is: to provide a fixed-length feeding device for a pipe or profile sawing machine, the fixed-length feeding device can clamp the pipe to convey any length, and the sawing machine can be cut without head and cutting after feeding. Tail, thereby reducing the cost and reducing the number of sawing.

In order to solve the above technical problems, the technical solution of the utility model is: a fixed-length feeding device for a pipe or profile fixed-length sawing machine, including a conveying frame and a pinch frame, and the pinch frame is arranged on the conveyor Downstream of the frame, a set of conveying rollers for longitudinally conveying pipes or profiles is installed on the conveying frame, one of the conveying rollers of the conveying roller group is driven by a longitudinal conveying power device, and a vertical lifting device is installed on the conveying frame The lower pressure roller driven by the lower pressure power device, the lower pressure roller cooperates with the conveying roller group; the pinch trolley is installed longitudinally slidingly on the pinch frame, and the pinch trolley is provided with a clamping pipe or profile Clamping mechanism, the pinching trolley is connected with the fixed-length conveying motor, and the downstream end of the pinching frame is slidably provided with a positioning baffle for blocking or releasing the end of the pipe or profile, and the positioning baffle and the baffle drive device connection.

As a preferred solution, the pinch frame is provided with a downstream support, the positioning baffle is vertically slidably mounted on the downstream support, and the baffle driving device is installed on the downstream support and is connected to the positioning stop Plate drive connection.

As a preferred solution, an auxiliary support roller is horizontally slidably installed on the downstream support, and the auxiliary support roller is driven by an auxiliary support power device installed on the downstream support, and the center line of the auxiliary support roller is vertically arranged .

As a preferred solution, the pinching frame is equipped with a positioning and guiding mechanism that is convenient for the clamping mechanism to clamp and transport the pipe or profile.

As a preferred solution, the positioning guide mechanism includes a positioning support fixed on the pinch frame, a swing arm is hinged on the positioning support, and a positioning guide pressure roller is installed on one end of the swing arm. The other end of the swing arm is hinged with a swing power device, and the hinged position of the swing arm is in the middle of the swing arm.

As a preferred solution, the swing power device is a swing cylinder, and the two ends of the swing cylinder are respectively hinged to the positioning support and the other end of the swing arm.

As a preferred solution, the pinch frame is provided with several sets of auxiliary support rollers for auxiliary support of pipes or profiles.

As a preferred solution, the fixed-length conveying motor is installed on the pinch trolley, the output shaft of the fixed-length conveying motor is provided with gears, and the pinch frame is provided with longitudinally extending and gear-engaged rack.

After adopting the above technical scheme, the effect of the utility model is: since the fixed-length feeding device includes a conveying frame and a pinch frame, the pipe or profile can be placed on the conveying frame by the conveying roller group and the lower pressing roller. Cooperate with conveying, after being conveyed to the pinch rack, the clamping mechanism on the pinch trolley clamps the pipe and profile to continue conveying, and since the pinch trolley is driven by a fixed-length conveying motor, the fixed-length conveying motor can pass through the rotation position of the rotor To judge the moving distance of the pinch trolley, so as to realize the conveyance of any distance of the pinch trolley, and at the same time, the downstream end of the pinch frame is slidably provided with a positioning baffle for blocking or releasing the end of the pipe or profile, and the positioning baffle and When the baffle driving device is connected, when the pipe or profile is transported to the positioning baffle, the positioning baffle can block the pipe or profile, so that the end of the profile and the pipe can be positioned, and the distance between the positioning baffle and the saw blade is fixed, so that The fixed-length delivery can be realized by sending the trolley. The fixed-length feeding device can hold the pipe and convey any length. The pipe or profile of the same specification can be cut in equal parts, so that the sawing machine can cut the pipe with zero head and tail, so that The cost is reduced and the times of sawing are reduced.

And because the downstream support is provided on the pinching frame, the positioning baffle is vertically slidably mounted on the downstream support, and the baffle driving device is installed on the downstream support and is connected with the positioning baffle in transmission. The positioning baffle lifts up and down vertically, with reliable action and convenient installation of other components.

And because the auxiliary support roller is horizontally slidably installed on the downstream support, the auxiliary support roller is driven by the auxiliary support power device installed on the downstream support, and the center line of the auxiliary support roller is vertically arranged. The roller can assist the side of the pipe or profile, avoid the deviation of the profile or pipe, ensure that the end of the pipe or profile fits accurately with the positioning baffle, make the pipe perpendicular to the positioning baffle, and ensure the accuracy of sawing effect and fixed-length delivery.

And because the positioning and guiding mechanism that is convenient for the clamping mechanism to clamp the pipe or profile conveying is installed on the pinching frame, the positioning and guiding mechanism can guide when the pipe or profile is conveyed, so as to ensure that the end of the pipe or profile is aligned with the positioning baffle. Accurate fit.

Also, because the pinch frame is provided with several auxiliary support roller groups for supporting the pipes or profiles, the auxiliary support rollers can assist the front ends of the pipes or profiles to avoid sagging of the pipes or profiles.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the three-dimensional structure schematic diagram of the utility model embodiment;

Fig. 2 is another angle three-dimensional structural schematic diagram of the utility model embodiment;

In the attached drawings: 1. Conveyor frame; 2. Pinch frame; 3. Conveyor roller group; 4. Lower pressure roller; 5. Pinch trolley; 6. Clamping mechanism; 7. Auxiliary support roller group; 8. Linear guide rail; 9. Downstream support; 10. Auxiliary support roller; 11. Positioning baffle; 12. Saw cutting head; 13. Rack; 14. Fixed-length conveying motor; 15. Positioning support; ; 17. Positioning guide roller; 18. Swing arm; 19. Auxiliary support power device.

detailed description

The utility model is described in further detail below by specific examples.

As shown in Figures 1 and 2, a fixed-length feeding device for a pipe or profile fixed-length sawing machine includes a conveyor frame 1 and a pinch frame 2, and the pinch frame 2 is arranged on the conveyor frame 1 Downstream of the conveyor frame 1, a length measuring mechanism is also provided to measure the length of each pipe or profile. The conveyor frame 1 is rotatably equipped with a conveyor roller set 3 for longitudinally conveying the pipe or profile. The conveyor roller One of the conveying rollers in group 3 is driven by a longitudinal conveying power device, as shown in Figure 1, the conveying roller positioned at the most downstream of conveying roller group 3 is connected with the longitudinal conveying power device, and the longitudinal conveying power device is a longitudinal conveying motor, and the longitudinal conveying The motor is in drive connection with the conveying roller. And the vertical lift on the conveyer frame 1 is equipped with the lower pressure roller 4 driven by the lower pressure power device, and the lower pressure roller 4 cooperates with the conveying roller group 3; the lower pressure roller 4 is driven by the lower pressure power device to press down At this time, the pipe or profile receives the pressure of the lower pressure roller 4, forcing it to produce forward friction with the conveying roller set 3, thereby driving the pipe or profile to be transported. Wherein, the specific installation method of the lower pressure roller 4 is as shown in Figure 1, a base is provided on the side of the conveyor frame 1, and a lifting plate is vertically slidably installed on the base, and the lifting plate is driven by the pressing power device. Its pressing driving device is preferably an air cylinder, and the pressing roller 4 is then rotatably mounted on the lifting plate.

A pinch trolley 5 is installed longitudinally slidingly on the pinch frame 2, a linear guide rail 8 is set on the pinch frame 2, and the pinch trolley 5 is slidably installed on the linear guide rail 8, and the pinch trolley 5 is provided with a clip A clamping mechanism 6 for holding pipes or profiles. The clamping mechanism 6 includes two horizontal clamping blocks, which are driven by a clamping power device to realize clamping or loosening of pipes. The specific power can be preferably for the cylinder. The pinch trolley 5 is connected with the fixed-length conveying motor 14 in transmission, the fixed-length conveying motor 14 is installed on the pinching trolley 5, the output shaft of the fixed-length conveying motor 14 is provided with a gear, and the pinch conveying machine The frame 2 is provided with a longitudinally extending rack 13 meshed with a gear. Accurate power transmission can be realized through the gear and rack 13, and the fixed-length conveying motor 14 is controlled by the corresponding PLC, the state of the rotor of the fixed-length conveying motor 14 is detected, and the rotation of the rotor is converted into the conveying of the pinch trolley 5 Length, so as to realize fixed-length feeding.

The downstream end of the pinch frame 2 is slidably provided with a positioning baffle 11 for blocking or releasing the end of the pipe or profile. The downstream of 11 is equipped with sawing head 12.

The pinch frame 2 is provided with a downstream support 9, the positioning baffle 11 is vertically slidably mounted on the downstream support 9, and the baffle driving device is installed on the downstream support 9 and is connected with the positioning baffle 11. Transmission connection, the baffle driving device is an air cylinder, and the auxiliary support roller 10 is horizontally slidably installed on the downstream support 9, and the auxiliary support roller 10 is driven by the auxiliary support power device 19 installed on the downstream support 9. The center line of the auxiliary support roller 10 is vertically arranged, and the auxiliary support power device 19 is also preferably a cylinder, which drives the auxiliary support roller 10 to move horizontally to assist the end of the pipe or profile to avoid deflection.

The pinching frame 2 is equipped with a positioning and guiding mechanism that is convenient for the clamping mechanism 6 to clamp the pipe material or profile delivery. The positioning guide mechanism includes a positioning support 15 fixed on the pinch frame 2, a swing arm 18 is hinged on the positioning support 15, and one end of the swing arm 18 is rotatably equipped with a positioning guide pressure roller. The other end of 18 is hinged with swing power unit, and the hinged position of swing arm 18 is in the middle part of swing arm 18. The swing power device is a swing cylinder 16, and the two ends of the swing cylinder 16 are hinged to the positioning support 15 and the other end of the swing arm 18 respectively. This swing cylinder 16 can drive the swing arm 18 to swing, so that the positioning guide roller 17 is pressed down or lifted up.

The pinch frame 2 is provided with several auxiliary supporting roller sets 7 for auxiliary supporting pipes or profiles. The auxiliary support roller group 7 can assist the front section of the pipe or profile when the clamping mechanism 6 clamps the pipe or profile to prevent the pipe from sagging.

Claims (8)

1. A fixed-length feeding device for a pipe or profile fixed-length sawing machine, characterized in that: it comprises a conveyor frame and a pinch frame, and the pinch frame is arranged on the downstream of the conveyor frame, and the conveyor A set of conveying rollers for longitudinally conveying pipes or profiles is installed on the frame, and one of the conveying rollers of the conveying roller group is driven by a longitudinal conveying power device. Pressure roller, the lower pressure roller cooperates with the conveying roller group; the pinch trolley is installed longitudinally slidingly on the pinch frame, and the pinch trolley is provided with a clamping mechanism for clamping pipes or profiles, and the pinch The trolley is connected to the fixed-length conveying motor, and the downstream end of the pinch frame is slidably provided with a positioning baffle for blocking or releasing the end of the pipe or profile, and the positioning baffle is connected with the baffle driving device. 2. A fixed-length feeding device for a pipe or profile fixed-length sawing machine according to claim 1, characterized in that: the pinch frame is provided with a downstream support, and the positioning baffle is vertically slidable and installed On the downstream support, the baffle driving device is installed on the downstream support and connected with the positioning baffle in transmission. 3. A fixed-length feeding device for a pipe or profile fixed-length sawing machine as claimed in claim 2, characterized in that: an auxiliary support roller is horizontally slidably installed on the downstream support, and the auxiliary support roller is installed on The auxiliary support power device on the downstream support is driven, and the center line of the auxiliary support roller is vertically arranged. 4. A fixed-length feeding device for a pipe or profile fixed-length sawing machine according to any one of claims 1 to 3, characterized in that: the pinch frame is equipped with a convenient clamping mechanism to clamp the pipe Or the positioning guide mechanism for profile conveying. 5. A fixed-length feeding device for a pipe or profile fixed-length sawing machine as claimed in claim 4, wherein the positioning guide mechanism includes a positioning support fixed on the pinch frame, and the positioning support A swing arm is hinged on the seat, one end of the swing arm is rotatably mounted with a positioning guide roller, the other end of the swing arm is hinged with a swing power device, and the hinged position of the swing arm is in the middle of the swing arm. 6. A fixed-length feeding device for a pipe or profile fixed-length sawing machine as claimed in claim 5, characterized in that: the swing power device is a swing cylinder, and the two ends of the swing cylinder are respectively hinged on the positioning support and the other end of the swing arm. 7. A fixed-length feeding device for a fixed-length sawing machine for pipes or profiles as claimed in claim 6, characterized in that: the pinch frame is provided with several sets of auxiliary support rollers for auxiliary support of pipes or profiles . 8. The fixed-length feeding device of a pipe or profile fixed-length sawing machine according to claim 1, characterized in that: the fixed-length conveying motor is installed on the pinch trolley, and the output of the fixed-length conveying motor A gear is arranged on the shaft, and a longitudinally extending rack meshed with the gear is arranged on the pinch frame.