CN111673185A

CN111673185A - V-shaped saw

Info

Publication number: CN111673185A
Application number: CN202010527688.4A
Authority: CN
Inventors: 张奕峰
Original assignee: Zhejiang Honglifeng Door & Window Co ltd
Current assignee: Zhejiang Honglifeng Door & Window Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-09-18

Abstract

The invention relates to the technical field of door and window processing equipment, in particular to a V-shaped saw which comprises a rack, wherein reciprocating screw rods are rotatably arranged on two sides of the rack, a material pushing block is connected to the reciprocating screw rods in a threaded manner, a driving assembly for driving the two reciprocating screw rods to synchronously rotate is arranged on the rack, a clamping mechanism for clamping a profile is arranged on the material pushing block, an electric saw seat is arranged on the rack, electric saws are arranged on two sides of the electric saw seat, and the surfaces of saw blades of the two electric saws are perpendicular to each other. The invention realizes the continuous cutting of the section bar and improves the working efficiency.

Description

V-shaped saw

Technical Field

The invention relates to the technical field of door and window processing equipment, in particular to a V-shaped saw.

Background

The V-shaped saw is a device for cutting pin V-shaped grooves, is mainly applied to cutting and processing of V-shaped grooves of plastic door and window profiles, and is an ideal device in the aluminum-plastic door and window processing industry. When cutting, the staff places the section bar on the workstation of V type saw, uses to compress tightly the cylinder and compresses tightly the section bar on the workstation. And then starting the working air inlet cylinder to drive the two electric saws to feed towards the direction close to the section bar, and after the cutting is finished, retracting the two electric saws. And then, releasing the pressing air cylinder, and taking out the section.

In a cutting process, the electric saw needs to complete feeding and retraction twice to cut and form the V-shaped groove of the section bar, and the retraction process saw blade does not cut the section bar, namely only one section bar can be cut in one reciprocating process, so that the working efficiency is low.

Disclosure of Invention

The invention aims to provide a V-shaped saw, which realizes the continuous cutting of sectional materials and improves the working efficiency.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a V-shaped saw, includes the frame, the both sides of frame are rotated and are provided with reciprocal lead screw, threaded connection has the pushing block on the reciprocal lead screw, be provided with in the frame and be used for driving two synchronous pivoted drive assembly of reciprocal lead screw, be provided with the fixture who is used for the centre gripping section bar on the pushing block, be provided with the electric saw seat in the frame, the both sides of electric saw seat are provided with electric saw, two the saw bit place face mutually perpendicular of electric saw.

By adopting the technical scheme, the section bar is clamped on the material pushing block, and the material pushing block is driven by the reciprocating screw rod to move on the rack in a reciprocating manner. When the section bar passes through the saw blades of the two electric saws, a V-shaped groove of 90 degrees is cut on the section bar. Two workers load and unload materials at the two ends of the rack, the worker at one end clamps the sectional materials on the material pushing block, and the cut sectional materials are unloaded and re-loaded by the worker at the other end, so that two sectional materials can be cut in one reciprocating process, and the working efficiency is improved.

The invention is further configured to: the two sides of the rack are provided with sliding grooves with two closed ends, the reciprocating screw rod is positioned in the sliding grooves, and the material pushing block is arranged in the sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, the spout has produced spacing and the effect of direction to the ejector pad for the ejector pad can only remove along the length direction of spout under the restriction of spout, prevents that reciprocating screw pole ejector pad from taking place to be crooked or rock when rotatory, has guaranteed the stationarity when ejector pad removes.

The invention is further configured to: the chute is a T-shaped groove, and the material pushing block is a T-shaped block matched with the chute.

By adopting the technical scheme, the chute is the T-shaped groove, and the material pushing block is the T-shaped block matched with the chute, so that the material pushing block and the chute are more tightly connected, the material pushing block is more difficult to shake when moving in the chute, and the stability of the material pushing block when moving is ensured.

The invention is further configured to: the driving assembly comprises a first bevel gear fixed at the end part of the reciprocating screw rod, a second bevel gear meshed with the first bevel gear, a driving shaft rotationally arranged on the rack and a servo motor fixedly arranged on the rack; the second bevel gear is fixedly arranged on the driving shaft, and an output shaft of the servo motor is fixedly connected with the driving shaft.

Through adopting above-mentioned technical scheme, servo motor can drive the drive shaft and rotate, and when the drive shaft rotated, second bevel gear also rotated together thereupon. The second bevel gear is meshed with the first bevel gear, and under the driving of the second bevel gear, the two reciprocating screw rods realize synchronous rotation, so that the two material pushing blocks in threaded connection on the reciprocating screw rods can be kept parallel and level with each other when moving.

The invention is further configured to: the clamping mechanism comprises a positioning plate, a supporting plate, a squeezing plate and a spring which are respectively fixed at two ends of the material pushing block; the two ends of the spring are respectively fixedly connected with the supporting plate and the extrusion plate, and the spring is always in a compressed state.

Through adopting above-mentioned technical scheme, strut locating plate and stripper plate, put into the section bar, the stripper plate supports on the section bar under the effect of spring for the section bar is pressed from both sides tightly by locating plate and stripper plate, has guaranteed that the section bar is more firm when being cut by the electric saw, makes the cutting effect better.

The invention is further configured to: the top of locating plate and stripper plate is fixed with the direction eaves, two the direction eaves are towards the direction of keeping away from each other bending.

Through adopting above-mentioned technical scheme, the spring is in compressed state all the time for the stripper plate is compressing tightly on the locating plate. The guide eaves arranged on the positioning plate and the extrusion plate enable the positioning plate and the extrusion plate to be more easily unfolded by workers, so that the sectional material is put in, the use of the workers is facilitated, and the operation difficulty is reduced.

The invention is further configured to: the adjusting device is characterized in that adjusting chambers are arranged on two sides of the rack, supporting blocks are arranged in the adjusting chambers, the supporting blocks can extend out of the top ends of the adjusting chambers, and adjusting components used for controlling the extending distance of the supporting blocks from the adjusting chambers are arranged on the adjusting chambers.

Through adopting above-mentioned technical scheme, under adjusting part's effect, can stretch out the height of regulating chamber to the supporting shoe and adjust. When the profile is cut, the profile is placed on the supporting block, the profile is supported by the supporting block, the larger the distance of the supporting block extending out of the adjusting chamber is, the higher the profile is lifted, and the smaller the V-shaped groove cut when the profile passes through the saw blade is; and the smaller the distance that the supporting shoe stretches out the regulating chamber is, the closer the section bar is to two saw bits, and the larger the V-shaped groove that is cut out when the section bar passes through the saw bit is. By adjusting the supporting block, the processing of profiles with different specifications can be realized, V-shaped grooves with different sizes can be cut, and the applicability and the practicability of the invention are enhanced.

The invention is further configured to: the adjusting assembly comprises positioning sleeves fixedly arranged at two ends of the adjusting chamber and a screw rod in threaded connection with the positioning sleeves; the screw threads at the two ends of the screw rod are opposite in rotating direction, and one end of the screw rod, which is far away from the positioning sleeve, is in threaded connection with the supporting block.

Through adopting above-mentioned technical scheme, the position sleeve can play the effect of supporting the location for the screw rod does not take place to skew when rotating. The supporting block can be adjusted by rotating the adjusting screw rod, so that the supporting block extends out of the adjusting chamber or is retracted into the adjusting chamber, the operation is simple, and the use is convenient.

In conclusion, the beneficial technical effects of the invention are as follows:

1. under the drive of the servo motor, the material pushing block moves on the rack in a reciprocating manner, the material pushing block completes a reciprocating movement process on the rack to cut two sectional materials, and compared with the traditional method of cutting by moving an electric saw, only one sectional material can be cut by one reciprocating movement process, the invention has higher working efficiency;

2. the servo motor can drive the driving shaft to rotate, the driving shaft drives the two reciprocating screw rods to synchronously rotate through transmission between the first bevel gear and the second bevel gear, so that the two material pushing blocks can synchronously move, the clamping assemblies on the material pushing blocks clamp the sectional material, and the stability of the sectional material in the moving process is ensured;

3. the height of the supporting block extending out of the adjusting chamber can be adjusted by rotating the screw rod, so that the distance between the section bar and the saw blade is changed, the size of the V-shaped groove on the section bar is adjusted, the use is more flexible, and the practicability of the invention is enhanced.

Drawings

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

Fig. 2 is a schematic view of the present invention in a cut-away state.

Fig. 3 is a top view of the present invention.

Fig. 4 is a schematic view of the present invention taken at another angle.

Reference numerals: 1. the automatic cutting machine comprises a rack, 11, a sliding groove, 12, a containing groove, 21, a reciprocating screw rod, 22, a material pushing block, 31, an electric saw seat, 32, an electric saw, 41, a first bevel gear, 42, a second bevel gear, 43, a driving shaft, 44, a servo motor, 51, a positioning plate, 52, a supporting plate, 53, a squeezing plate, 54, a spring, 55, a guide ledge, 61, an adjusting chamber, 62, a supporting block, 71, a positioning sleeve, 72, a screw rod, 73 and a knob.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a V-saw according to an embodiment of the present invention includes a frame 1. Reciprocating screw rods 21 are rotatably arranged at two sides of the frame 1, and the axes of the two reciprocating screw rods 21 are parallel to each other. The reciprocating screw rod 21 is connected with a pushing block 22 in a threaded manner, and the reciprocating screw rod 21 can enable the pushing block 22 to reciprocate on the reciprocating screw rod 21 under the condition that the rotating direction is not changed. A driving component which drives the two reciprocating screw rods 21 to synchronously rotate is arranged on the machine frame 1, so that the material pushing blocks 22 on the two reciprocating screw rods 21 can move on the reciprocating screw rods 21 under the condition of being flush with each other. A clamping mechanism for clamping the profile is arranged on the pusher block 22.

Referring to fig. 2, a saw base 31 is fixedly installed on the frame 1, and saws 32 are installed to be inclined at both sides of the saw base 31. The blades of the two electric saws 32 project upwardly through the upper surface of the frame 1. The planes of the two electric saws 32 are perpendicular to each other, and the two electric saws 32 are staggered front and back, so that the section bar sequentially passes through the saw blades of the two electric saws 32, and the section bar is prevented from being broken.

When the section bar is cut, the clamping mechanism is used for clamping two ends of the section bar to fix the section bar. The driving assembly drives the two reciprocating screw rods 21 to rotate, so that the section bar moves towards the direction close to the electric saw 32, and the section bar can be cut into a V-shaped groove through the cutting action of the two electric saws 32 in sequence.

Referring to fig. 1 and 2, in order to improve the stability of the pusher block 22 moving on the reciprocating screw rod 21, sliding grooves 11 with two closed ends are formed in two sides of the frame 1, the reciprocating screw rod 21 is located in the sliding grooves 11, and two ends of the reciprocating screw rod 21 are rotatably arranged on the inner wall of the sliding grooves 11. The axial direction of the reciprocating screw rod 21 is the same as the groove length direction of the chute 11. The material pushing block 22 is slidably disposed in the chute 11, and the upper surface of the material pushing block 22 is flush with the top surface of the chute 11. Both side surfaces of the pusher block 22 are fitted to the inner wall of the chute 11.

Further, in order to prevent the material pushing block 22 from being inclined or swayed when moving in the chute 11, the chute 11 is configured as a T-shaped groove. The pusher block 22 is provided as a T-shaped block that matches the chute 11 so that the pusher block 22 moves more smoothly in the chute 11.

Referring to fig. 3, the driving assembly includes a first bevel gear 41 fixed to an end of the reciprocating screw 21, a second bevel gear 42 engaged with the first bevel gear 41, a driving shaft 43 rotatably provided on the frame 1, and a servo motor 44 fixedly provided on the frame 1. The two sides of the frame 1 are provided with a containing groove 12, the containing groove 12 is arranged at the same side of the sliding groove 11, and the containing groove 12 is aligned with the sliding groove 11. One end of the reciprocating screw rod 21 penetrates through the sliding groove 11 and extends into the accommodating groove 12, and the first bevel gear 41 is located in the accommodating groove 12. A passage for the driving shaft 43 to pass through is formed between the two accommodating grooves 12, so that two ends of the driving shaft 43 are respectively located in the two accommodating grooves 12. Two second bevel gears 42 are fixed to both ends of the driving shaft 43, and the second bevel gears 42 are located in the accommodating groove 12. One end of the driving shaft 43, which is far away from the second bevel gear 42, extends outwards through the machine frame 1, and one end of the driving shaft 43, which is located outside the machine frame 1, is fixedly connected with an output shaft of the servo motor 44.

The servo motor 44 can drive the driving shaft 43 to rotate, the second bevel gear 42 fixed on the driving shaft 43 drives the first bevel gear 41 to rotate, and the first bevel gear 41 drives the reciprocating screw rod 21 to rotate. Since the two second bevel gears 42 are driven by the same drive shaft 43, the rotational speeds of the two first bevel gears 41 engaged with the second bevel gears 42 are the same, thereby achieving synchronous rotation of the two reciprocating screw rods 21.

Referring to fig. 4, the clamping mechanism includes a positioning plate 51, a support plate 52, a pressing plate 53, and a spring 54. The positioning plate 51 and the supporting plate 52 are fixed to both ends of the pusher block 22, respectively. The pressing plate 53 is located between the positioning plate 51 and the support plate 52. Both ends of the spring 54 are fixed to the pressing plate 53 and the support plate 52, respectively. Under the action of the spring 54, the pressing plate 53 abuts against the positioning plate 51, and the spring 54 is always in a compressed state.

Furthermore, in order to facilitate the workers to place the profile between the positioning plate 51 and the pressing plate 53, a guide eaves 55 is fixed at the top ends of the positioning plate 51 and the pressing plate 53, and the guide eaves 55 are of an arc-shaped plate structure. The two guide eaves 55 bend towards the direction away from each other, so that when a worker places the section bar between the positioning plate 51 and the extrusion plate 53, the positioning plate and the extrusion plate are more easily unfolded to place the section bar.

Referring to fig. 3 and 4, an adjusting chamber 61 is fixedly provided at both sides of the frame 1, and the adjusting chamber 61 is at the same side as the chute 11. The regulating chamber 61 is a cuboid box-shaped structure with an open top end, and the regulating chamber 61 is embedded on the rack 1, so that the top surface of the regulating chamber 61 is flush with the top surface of the rack 1. The length direction of the adjustment chamber 61 is the same as the groove length direction of the chute 11. A support block 62 is slidably provided in the adjustment chamber 61 such that the support block 62 can protrude from the top end of the adjustment chamber 61 such that the support block 62 can be higher than the upper surface of the frame 1. An adjustment assembly for adjusting the height of the supporting block 62 protruding from the adjustment chamber 61 is provided on the adjustment chamber 61.

The adjustment assembly includes a positioning sleeve 71 fixedly disposed at both ends of the adjustment chamber 61 and a screw 72 threadedly coupled in the positioning sleeve 71. The positioning sleeve 71 is located on the bottom surface of the adjustment chamber 61 and is embedded in the frame 1. The screw 72 has opposite thread directions at both ends. The screw 72 has one end extending into the adjustment chamber 61 and one end located outside the adjustment chamber 61. Threaded holes matched with the screws 72 are formed in two ends of the supporting block 62, so that one end, away from the positioning sleeve 71, of each screw 72 is in threaded connection with the supporting block 62. The end of the screw 72 outside the adjustment chamber 61 is fixed with a knob 73 for the worker to hold.

The worker can rotate the screw 72 by rotating the knob 73. When the screw 72 rotates, the supporting block 62 cannot rotate due to the restriction of the adjustment chamber 61, so that the supporting block 62 can move only in the axial direction of the screw 72, i.e., extends from the adjustment chamber 61 or retracts into the adjustment chamber 61.

The implementation principle of the embodiment is as follows: the distance of the support block 62 extending out of the adjustment chamber 61 is adjusted according to the specifications of the profile to be processed. The sectional material is placed on the two supporting blocks 62 during processing, and the sectional material is lifted by the supporting blocks 62, so that the distance between the sectional material and the two saw blades is adjusted, and the size of a V-shaped groove in the sectional material is adjusted. The switch of the electric saw 32 and the servo motor 44 is turned on, and the push block 22 is moved back and forth on the frame 1 by the servo motor 44.

In order to ensure the stability of the cut profiles, the pusher block 22 is moved on the machine frame 1 at a slow speed, so that the operator is sufficient to complete the loading and unloading of the pusher block 22 during its movement. The operation of feeding and unloading is carried out by two staff respectively at the both ends of frame 1, and the staff of one end places the section bar on supporting shoe 62, and the both ends of section bar are carried out the centre gripping by locating plate 51 and stripper plate 53 and are fixed, have guaranteed the fastness of section bar, and the section bar removes to the staff of the other end after two saw bit cutting, and the staff of the other end will be taken off and install the section bar that does not cut by the section bar after the cutting.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A V-shaped saw is characterized in that: including frame (1), the both sides of frame (1) are rotated and are provided with reciprocal lead screw (21), threaded connection has ejector pad (22) on reciprocal lead screw (21), be provided with in frame (1) and be used for driving two synchronous pivoted drive assembly of reciprocal lead screw (21), be provided with the fixture who is used for the centre gripping section bar on ejector pad (22), be provided with electric saw seat (31) on frame (1), the both sides of electric saw seat (31) are provided with electric saw (32), two the saw bit place face mutually perpendicular of electric saw (32).

2. A V-saw according to claim 1 wherein: the two sides of the rack (1) are provided with sliding grooves (11) with two closed ends, the reciprocating screw rod (21) is positioned in the sliding grooves (11), and the material pushing block (22) is arranged in the sliding grooves (11) in a sliding mode.

3. A V-saw according to claim 2 wherein: the chute (11) is a T-shaped groove, and the material pushing block (22) is a T-shaped block matched with the chute (11).

4. A V-saw according to claim 1 wherein: the driving assembly comprises a first bevel gear (41) fixed at the end part of the reciprocating screw rod (21), a second bevel gear (42) meshed with the first bevel gear (41), a driving shaft (43) rotatably arranged on the rack (1) and a servo motor (44) fixedly arranged on the rack (1); the second bevel gear (42) is fixedly arranged on a driving shaft (43), and an output shaft of the servo motor (44) is fixedly connected with the driving shaft (43).

5. A V-saw according to claim 1 wherein: the clamping mechanism comprises a positioning plate (51), a supporting plate (52), a squeezing plate (53) and a spring (54), which are respectively fixed at two ends of the material pushing block (22); two ends of the spring (54) are respectively and fixedly connected with the supporting plate (52) and the extrusion plate (53), and the spring (54) is always in a compressed state.

6. A V-saw according to claim 5 wherein: and guide eaves (55) are fixed at the top ends of the positioning plate (51) and the extrusion plate (53), and the two guide eaves (55) are bent towards the direction away from each other.

7. A V-saw according to claim 1 wherein: adjusting chambers (61) are arranged on two sides of the rack (1), supporting blocks (62) are arranged in the adjusting chambers (61), the supporting blocks (62) can extend out of the top ends of the adjusting chambers (61), and adjusting components used for controlling the extending distance of the supporting blocks (62) from the adjusting chambers (61) are arranged on the adjusting chambers (61).

8. The V-saw as defined in claim 7 wherein: the adjusting assembly comprises positioning sleeves (71) fixedly arranged at two ends of the adjusting chamber (61) and a screw rod (72) in threaded connection with the positioning sleeves (71); the thread turning directions of the two ends of the screw rod (72) are opposite, and one end of the screw rod (72) departing from the positioning sleeve (71) is connected to the supporting block (62) in a threaded mode.