CN213003006U

CN213003006U - Section bar cutting device with prevent pressing from both sides saw function

Info

Publication number: CN213003006U
Application number: CN202021318503.0U
Authority: CN
Inventors: 田明选; 徐超
Original assignee: Zhengzhou Datou Hardware Products Co ltd
Current assignee: Zhengzhou Datou Hardware Products Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-04-20
Anticipated expiration: 2030-07-08

Abstract

The utility model provides a section cutting device with the function of preventing saw clamping, which comprises a front frame, a rear frame and a cutting mechanism; the front frame comprises a base plate, a pressing mechanism is arranged above the base plate, the lower part of the base plate is slidably arranged on a track, a toothed belt and a driving gear are further arranged below the base plate, and the driving gear is driven by a first servo motor to rotate; the cutting mechanism comprises a base, a supporting guide rail, wherein a rail holding frame is arranged on the supporting guide rail, a first bearing is arranged on the rail holding frame, a supporting shaft is installed between the first bearings in a rotating mode, a saw blade is fixedly arranged on the supporting shaft, a mounting frame is arranged on one rail holding frame, a driving motor for driving the supporting shaft is arranged on the mounting frame, a pair of stand columns is further arranged on the base, a lead screw is installed on each stand column, the lead screw is driven to rotate by a second servo motor, and a screw connecting frame connected with the lead screw in a threaded mode is arranged. The utility model discloses can carry out high-efficient, stable cutting to the section bar, can prevent the section bar centre gripping saw bit after the cutting simultaneously, avoid causing the damage to the saw bit.

Description

Section bar cutting device with prevent pressing from both sides saw function

Technical Field

The utility model relates to a cutting technical field, concretely relates to section bar cutting device with prevent pressing from both sides saw function.

Background

In the industrial production process, a cutting machine is required to cut various profiles, but in the cutting process of the existing cutting machine, when the saw blade moves backwards after the cutting action is finished, the saw blade is in a state of high-speed rotation and is in a contact state with the profiles, the saw blade is often scratched by a cutting piece, and the service life and the production safety of the saw blade are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of prior art, provide a can prolong saw bit life, guarantee production safety have a section bar cutting device who prevents pressing from both sides saw function, concrete scheme as follows:

a section bar cutting device with a saw clamping prevention function comprises a front frame, a rear frame and a cutting mechanism, wherein the front frame and the rear frame are arranged at intervals and have the same structure; the front frame comprises a base plate, a pressing mechanism is arranged above the base plate, the lower part of the base plate is arranged on a track in a sliding mode through a rail holding sliding block, a toothed belt and a driving gear meshed with the toothed belt are further arranged below the base plate, and the driving gear is driven to rotate by a first servo motor; cutting mechanism includes the base, be equipped with a pair of support guide rail on the base, it embraces the track frame all to slide on the support guide rail, it all is equipped with the primary shaft bearing on embracing the track frame, and is a pair of rotate between the primary shaft bearing and install the back shaft, it is in to have set firmly back and forth motion on the back shaft saw bit between front bezel, the after frame, one of them embrace and be equipped with the mounting bracket on the track frame, be equipped with driving motor on the mounting bracket, driving motor's output passes through shaft coupling drive back shaft and rotates, still is equipped with a pair of stand on the base, and is a pair of it installs the lead screw through the rotation of secondary shaft bearing on the stand, the lead screw is driven its rotation by second servo motor, the below of mounting.

Based on the above, hold-down mechanism is including setting firmly bottom plate on the base plate, be equipped with the support column on the bottom plate, be equipped with the roof on the support column, run through on the roof and slide and be equipped with many guide posts, the briquetting is installed to the lower extreme of guide post, still is equipped with the drive on the roof the cylinder of briquetting up-and-down motion.

Based on the above, the first servo motor, the driving motor, the second servo motor and the air cylinder are all electrically connected to the controller.

Based on the above, the lower part of the pressing block is also provided with a rubber sheet.

Based on the above, the first bearing and the second bearing are both graphite copper sleeve bearings. The utility model discloses relative prior art has substantive characteristics and progress, specifically speaking, the utility model has the following advantages:

1. the utility model discloses in, the front bezel, after-poppet all can be by its slip on the track of respective first servo motor drive, after the cutting action is accomplished to the saw bit among the cutting mechanism, the first servo motor of accessible drives front bezel, after-poppet reverse movement respectively, and this structural design can prevent to cut the section bar after accomplishing because of the clamp force damage saw bit of section bar to the saw bit at the in-process that the saw bit moves back.

2. In the utility model, the first bearing and the second bearing are both graphite copper sleeve bearings, which can ensure the stability of the rotation of the supporting shaft and the lead screw; in addition, the saw blade in the cutting mechanism moves forwards and backwards through the driving of the screw rod by the second servo motor, and the saw blade can move stably through the structural design, so that the cutting precision is guaranteed.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a front view of the middle cutting mechanism of the present invention.

Fig. 3 is a top view of the middle cutting mechanism of the present invention.

Fig. 4 is a front view of the pressing mechanism of the present invention.

Fig. 5 is a front view of the usage state of the present invention.

In the figure: 1. a front frame; 2. a rear frame; 3. a substrate; 4. a hold-down mechanism; 41. a base plate; 42. a top plate; 43. a support pillar; 44. a guide post; 45. a cylinder; 46. briquetting; 47. rubber sheets; 5. a rail holding slide block; 6. a track; 7. a toothed belt; 8. a drive gear; 9. a first servo motor; 12. a cutting mechanism; 121. a base; 122. supporting the guide rail; 123. a rail holding frame; 124. a saw blade; 125. a support shaft; 126. a first bearing; 127. a drive motor; 128. a coupling; 129. a mounting frame; 130. a column; 131. a lead screw; 132. a second servo motor; 133. a screw connection frame; 13. a section bar; 20. and a controller.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

Examples

As shown in fig. 1-5, the utility model provides a section bar cutting device with prevent pressing from both sides saw function, including two front truck 1 that the structure is the same, after-frame 2 that the interval was arranged, still include cutting mechanism 12.

The front frame 1 comprises a base plate 3, a pressing mechanism 4 is arranged above the base plate 3, the lower portion of the base plate 3 is slidably mounted on a track 6 through a rail holding slider 5, a toothed belt 7 and a driving gear 8 meshed with the toothed belt 7 are further arranged below the base plate 3, and the driving gear 8 is driven to rotate by a first servo motor 9.

Cutting mechanism 12 includes base 121, be equipped with a pair of support guide 122 on base 121, it embraces rail frame 123 to all slide to be equipped with on the support guide 122, it all is equipped with first bearing 126 on rail frame 123 to embrace, and is a pair of rotate between the first bearing 126 and install back shaft 125, it is in to have set firmly back and forth movement on the back shaft 125 saw bit 124 between front bezel 1, the after-poppet 2, one of them embrace and be equipped with mounting bracket 129 on rail frame 123, be equipped with driving motor 127 on the mounting bracket 129, the output of driving motor 127 passes through shaft coupling 128 drive back shaft 125 and rotates, still is equipped with a pair of stand 130 on base 121, and is a pair of it installs lead screw 131 through the second bearing rotation on the stand 130, lead screw 131 is driven its rotation by second servo motor 132, the below of mounting bracket 129 be equipped with the spiro union frame 133 of lead screw 131 spiro.

The pressing mechanism 4 is used for pressing the section bar 13 to be cut, and comprises a bottom plate 41 fixedly arranged on the substrate 3, a supporting column 43 is arranged on the bottom plate 41, a top plate 42 is arranged on the supporting column 43, a plurality of guide columns 44 are arranged on the top plate 42 in a penetrating and sliding manner, a pressing block 46 is arranged at the lower ends of the guide columns 44, and an air cylinder 45 for driving the pressing block 46 to move up and down is further arranged on the top plate 42.

It should be noted that a rubber sheet 47 is further provided below the pressing block 46 to prevent the pressing block 46 from damaging the profile 13 to be cut.

In order to facilitate the intelligent operation of the cutting operation, the first servo motor 9, the driving motor 127, the second servo motor 132 and the air cylinder 45 are all electrically connected to the controller 20.

The utility model discloses concrete theory of operation does: the action sequence, time and stroke of the first servo motor 9, the second servo motor 132 and the air cylinder 45 are set by the controller 20; the section bar 13 is firstly compressed by the compressing mechanism 4 on the front frame 1 and the rear frame 2 before cutting, then the saw blade 124 moves forwards to cut the section bar 13 along with the rotation of the second servo motor 132, after the cutting is finished, the controller 20 controls the first servo motors 9 of the front frame 1 and the rear frame 2 to rotate reversely, so that the front frame 1 and the rear frame 2 are separated, the section bar 13 after the cutting is finished is separated, the section bar 13 is not attached to the saw blade 124 any more, the second servo motor 132 rotates reversely, and the saw blade 124 resets backwards.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a section bar cutting device with prevent pressing from both sides saw function which characterized in that: comprises a front frame (1) and a rear frame (2) which are arranged at intervals and have the same structure, and a cutting mechanism (12); the front frame (1) comprises a base plate (3), a pressing mechanism (4) is arranged above the base plate (3), a toothed belt (7) and a driving gear (8) meshed with the toothed belt (7) are arranged below the base plate (3) in a sliding mode through a rail holding sliding block (5), and the driving gear (8) is driven to rotate by a first servo motor (9); the cutting mechanism (12) comprises a base (121), a pair of supporting guide rails (122) are arranged on the base (121), a supporting rail frame (123) is arranged on the supporting guide rails (122) in a sliding mode, a first bearing (126) is arranged on the supporting rail frame (123), a supporting shaft (125) is installed between the first bearing (126) in a rotating mode, a saw blade (124) moving back and forth between the front frame (1) and the rear frame (2) is fixedly arranged on the supporting shaft (125), a mounting frame (129) is arranged on one of the supporting rail frame (123), a driving motor (127) is arranged on the mounting frame (129), the output end of the driving motor (127) drives the supporting shaft (125) to rotate through a coupler (128), a pair of stand columns (130) are further arranged on the base (121), and a lead screw (131) is installed on the stand columns (130) in a rotating mode through a second bearing, the lead screw (131) is driven to rotate by a second servo motor (132), and a bolt connection frame (133) which is in bolt connection with the lead screw (131) is arranged below the mounting frame (129).

2. The section bar cutting device with anti-pinch saw function of claim 1, characterized in that: hold-down mechanism (4) including setting firmly bottom plate (41) on base plate (3), be equipped with support column (43) on bottom plate (41), be equipped with roof (42) on support column (43), it is equipped with many guide posts (44) to run through the slip on roof (42), and briquetting (46) are installed to the lower extreme of guide post (44), still are equipped with the drive on roof (42) briquetting (46) up-and-down motion's cylinder (45).

3. The section bar cutting device with anti-pinch saw function of claim 2, characterized in that: the first servo motor (9), the driving motor (127), the second servo motor (132) and the air cylinder (45) are all electrically connected to the controller (20).

4. The section bar cutting device with anti-pinch saw function of claim 2, characterized in that: a rubber sheet (47) is arranged below the pressing block (46).

5. The section bar cutting device with anti-pinch saw function of claim 1, characterized in that: the first bearing (126) and the second bearing are graphite copper sleeve bearings.