CN104801762B - A kind of saw blade knob machine - Google Patents

Abstract

The invention provides a saw blade gear pressing machine, which belongs to the technical field of mechanical processing equipment. It solves the problem of high labor intensity in the existing saw blade tooth pressing process. The saw blade gear pressing machine includes a frame, a worktable is fixedly connected to the frame, a feeding groove is opened on the worktable, and positioning plates are hinged on both sides of the worktable on the frame, and the positioning plate is slidably connected with The pressing plate and the frame are slidably connected with support plates on both sides of the feeding trough, and the support plate is slidably connected with pressing blocks. A feeding rod is connected between the moving blocks. The saw blade gear pressing machine can automatically press the saw blade, and has high working efficiency.

Description

A saw blade pressing machine

technical field

The invention belongs to the technical field of mechanical processing equipment, and relates to a saw blade gear pressing machine.

Background technique

The saw blade is a steel strip with a toothed edge. The toothed edge is the main part of the saw. It is used to cut pipes, solid bodies, wood, plastics and all machinable metals. The saw blade is usually straight and its toothed edge is located on one edge. When the saw blade is formed, the tooth edge needs to be processed and polished, and the polished saw blade needs to be pressed, that is, the two adjacent saw teeth are inclined to both sides, that is, they are staggered left and right. However, the current saw blade needs manual operation to press the teeth after the teeth are ground and shaped, which not only requires high labor intensity, but also has low precision of tooth pressing.

Contents of the invention

The object of the present invention is to solve the above-mentioned problems in the existing technology, and propose a saw blade gear press machine, which can automatically press the saw blade teeth, and has high working efficiency.

The object of the present invention can be achieved through the following technical proposals: a saw blade gear pressing machine, comprising a frame, characterized in that a strip-shaped worktable is fixedly connected to the frame, and the side surface of the worktable is There is a feeding trough for the saw blade to pass through. The frame is hinged with positioning plates on both sides of the worktable. The positioning plates are slidably connected with long strips of pressure plates, and the length direction of the pressure plates is in line with the feeding trough. The length direction of the positioning plate is consistent, the sliding direction of the pressing plate is perpendicular to the length direction of the feeding trough, and a pressing piece that can drive the positioning plate to lean against the frame is provided between the positioning plate and the frame, and the positioning plate and the pressing plate There is a pressing member 2 that can drive the two pressing plates to be pressed on both sides of the saw blade between them. The frame is slidably connected with supporting plates on both sides of the feeding trough, and the supporting plates are slidably connected with pressing blocks, and The sliding direction of the briquetting block and the support plate is perpendicular to the length direction of the feeding trough, and the two opposite sides of the briquetting blocks are evenly distributed with pressing tooth protrusions, and the support plate is provided with a There is a positioning piece on the top of the two support plates, and a connecting piece that can drive the other support plate to move in the opposite direction when one support plate moves is provided between the two support plates. Slidingly connected with a moving block, the moving blocks are hinged with pull rods, and the free ends of the two pull rods are respectively hinged on the two supporting plates, and a feeding rod that can be embedded in the saw tooth groove of the saw blade is connected between the two moving blocks. The frame is slidably connected with a cutting bracket at the end of the feeding chute along the width direction of the feeding chute, a cutting knife is fixedly connected to the cutting bracket, a left clip is connected to the cutting bracket, and A left spring is provided between the left clamping block and the cutting bracket, and a right clamping block is slidably connected to the frame, and a spring that can be driven when the cutting knife is close to the saw blade is provided between the right clamping block and the cutting bracket. The right clamping block moves and clamps the transmission part of the saw blade together with the left clamping block.

The worktable is set horizontally, one end is the output end, the saw blade is placed in the feeding chute, the saw tooth edge of the saw blade faces upwards and protrudes from the feeding chute, the positioning plate is manually swung, and under the action of the pressing part 1, the two positioning plates interact with each other Approach and maintain the approaching trend, and under the action of the pressing part 2, the two pressing plates are respectively pressed against the two sides of the saw blade, that is, the pressing plates can make the width direction of the saw blade vertically upward, and when pressing the teeth, The positioning of the saw blade by the pressure plate can make the saw blade more stable and the tooth pressing precision higher. After the saw blade is positioned, the power source on the frame can push the support plate, and a support plate moves with the saw blade. Under the action of the connecting piece, The other support plate moves at the same speed and in the opposite direction, that is, the two support plates are close to each other until the pressing blocks on the support plate touch each other. On the sawtooth, so that the adjacent two sawtooth can tilt in the opposite direction to realize the tooth pressing process. After the tooth pressing is completed, the two supporting plates move in reverse to wait for the pressing tooth of the next section of the saw blade, and the supporting plate resets and moves During the process, since the two moving blocks are respectively connected to the two support plates through the pull rods, the movement of the two support plates can drag the moving block through the pull rods. At this time, since there is a feeding rod connected between the two moving blocks, the feeding rod is set horizontally and Embedded in the sawtooth groove of the saw blade, the feed rod can drag the saw blade to move a station. After the two support plates are reset in place, the feed rod stops moving, that is, the saw blade moves in place. In the next tooth pressing process, the feed rod is in place Reset under the action of the pull rod, so repeated and can continue to press the teeth of the saw blade, and with the gradual movement of the saw blade, the saw blade with pressed teeth gradually protrudes from the output end of the worktable, and the power source drives the cutting bracket to move horizontally. During the movement of the cutting bracket, the left clamping block on the cutting bracket approaches the saw blade, and under the action of the transmission part, the right clamping block moves at the same speed and in the opposite direction, that is, the left clamping block and the right clamping block The block approaches the saw blade and clamps the saw blade. At this time, the cutting bracket compresses the left spring and continues to move toward the saw blade until the cutting knife cuts off the saw blade. During the cutting process, the left clamping block and the right clamping block are always clamped on the saw blade. , It can avoid the bending of the cutting part of the saw blade under the force of the cutting knife, and improve the quality of the saw blade. The entire saw blade does not need to be manually carried out from tooth pressing to cutting. The automation length is high and the processing efficiency is high.

In the above-mentioned saw blade gear pressing machine, the pressing member includes a tension spring, and the positioning plates are hinged on the frame through a swing rod, and one end of the tension spring is fixedly connected to the lower side of the positioning plate, The other end is fixedly connected on the frame, and the connection point between the tension spring and the frame is located below the hinge point between the fork and the frame. The pulling force of the tension spring on the positioning plate has a critical point, that is, the connection point between the tension spring and the frame can be located on the axis of the swing rod. When the pressure plate is pressed against the saw blade, the tension spring is inclined and tightened relative to the swing rod Positioning plate, and when pulling away positioning plate, tension spring can cross the critical point of maximum pulling force and tilt relative to swing bar again, promptly when two positioning plates are not positioned to saw blade, tensioning spring can position positioning plate.

In the above-mentioned saw blade gear pressing machine, the pressing part 2 includes a tension spring, a number of connecting sleeves are fixedly connected to the side of the positioning plate, a number of connecting rods are fixedly connected to the pressing plate, and the connecting rods slide Inserted in the connection sleeve, the tension spring is sleeved on the connection rod, and one end of the tension spring is pressed against the connection sleeve, and the other end is pressed against the pressure plate, and the bottom surface of the feeding trough is hinged along the length direction There are several feeding rollers for supporting the saw blade, and several feeding rollers for pressing on the side of the saw blade are hinged along the length direction on the pressing plate. When the two positioning plates are close to each other, the pressure plate presses against the saw blade under the action of the compression spring, that is, the positioning force of the pressure plate to the saw blade comes from the tension spring and compression spring, and the positioning is more stable, because the saw blade needs to move in the feeding chute , while the saw blade is moving, the pressure plate is always pressed against the saw blade, so the feed pressure wheel is hinged on the pressure plate, and the feed roller is hinged in the feed groove to make the saw blade move more smoothly.

In the above-mentioned saw blade gear pressing machine, the positioning member includes several positioning bolts, a dovetail groove is opened on the side of the support plate, a slider is provided on the lower side of the pressing block, and the slider is slidably connected to the dovetail groove Inside, the pressure block is provided with a screw hole, the positioning bolt is screwed into the screw hole, and the end of the positioning bolt is pressed against the bottom surface of the dovetail groove. That is to say, the position of the pressing block can be adjusted relative to the support plate, and after the adjustment is in place, it is fixed by the positioning piece, so that the two pressing blocks can press saw teeth with different inclinations on the saw blade, and the applicability is stronger.

In the above-mentioned saw blade gear pressing machine, the connecting piece includes two connecting rods, a guide groove is opened on the frame, a slide bar is provided on the lower side of the support plate, and the slide bar is slidably connected in the guide groove. The two connecting rods are hinged through pin shafts, and the pin shafts are respectively located in the middle of the length of the two connecting rods, and the pin shafts are hinged on the lower side of the worktable. Both ends of the connecting rods have connecting parts bent upwards, so There are bar-shaped grooves on the lower side of the support plate, and the length direction of the bar-shaped grooves is set along the length direction of the feeding groove. , the piston rod of the pressure tooth cylinder is fixedly connected with one of the support plates. The pressure tooth cylinder pushes one support plate to move, and since the pin shaft is located in the middle of the two connecting rods, the other support plate can move at the same speed, and the two connecting rods are arranged crosswise, so the two support plates can move in different directions.

In the saw blade gear pressing machine described above, the frame is fixedly connected with guide rods along the length direction of the feeding chute on both sides of the worktable, and is fixedly connected with guide sleeves on the lower side of the moving block. The sliding sleeve is arranged on the guide rod, and the two guide sleeves are fixedly connected by a U-shaped fixing rod. That is, the moving block can only move along the length direction of the feeding trough, while the fixed rod can ensure the synchronization of the movement of the two moving blocks.

In the above saw blade gear pressing machine, sleeves are fixedly connected to the upper side of the moving block, and telescopic rods are slidably inserted into the sleeves, and the upper ends of the telescopic rods extend out of the sleeves, and Both ends are fixedly connected with shaft sleeves, and the two ends of the above-mentioned feeding rod are respectively positioned in the two shaft sleeves. The sleeves are covered with extension springs, and the telescopic rods have ring-shaped limit convex edges. The above-mentioned extension springs One end is fixedly connected to the position-limiting convex edge, and the other end is fixedly connected to the outer wall of the shaft sleeve. Under the action of the tension spring, the position-limiting convex edge abuts against the upper end of the casing. The saw teeth on the saw blade have tooth peaks inclined to one end. When the pull rod pulls the feed rod, the feed rod can be embedded in the sawtooth groove under the action of the tension spring. When the pull rod pushes the feed rod in the opposite direction, the feed rod can overcome the tension of the spring and move upward. Swaying, crossing the sawtooth along the arc edge of the sawtooth, that is, the feed rod will not generate thrust on the saw blade when it moves back and forth.

In the saw blade gear pressing machine described above, a connecting groove is provided on the frame, and the connecting groove is located on one side of the end of the feeding groove, and the length direction of the connecting groove is set along the width direction of the feeding groove, and sliding in the connecting groove A connecting block is connected, and a right chute is opened on the connecting block along the length direction of the connecting groove, and the above-mentioned right clamping block is slidably connected in the right chute, and the connecting groove is provided with a right spring, and one end of the right spring presses against the On the connection block, the other end is pressed against the end face of the connection groove. With the movement of the cutting bracket, the left clamping block and the right clamping block clamp the saw blade. At this time, the cutting bracket continues to move and cut off the saw blade. After cutting the saw blade, the cutting bracket needs to continue to move for a certain distance. The material bracket can promote the right clamp block and the left clamp block to move together, that is, the right clamp block can compress the right spring, but under the action of the right spring, the right clamp block and the left clamp block are still clamped on the cut-off saw blade.

In the above-mentioned saw blade gear pressing machine, the transmission member includes a transmission gear, the upper rack is fixedly connected to the right clamping block, and the upper rack has a connecting convex edge along the length direction, and the connecting convex edge is slidably connected In the right chute, the lower rack is fixedly connected to the cutting bracket, the transmission gear is connected to the connection block in rotation, and the transmission gear is located between the upper rack and the lower rack and is connected with the upper rack and the lower rack. The lower rack meshes. The elastic force of the right spring is greater than that of the left spring, and along with the movement of the material cutting bracket, the right clamping block can move to the saw blade under the effect of the transmission gear, but under the effect of the right spring, the connecting block still remains stationary.

In the above-mentioned saw blade gear pressing machine, a left chute is provided on the cutting bracket, the above-mentioned left clamp block is slidably connected in the left chute, one end of the left spring is fixedly connected to the left slider, and the other end is fixedly connected to the left chute. Connected to the cutting bracket, the axial direction of the left spring is consistent with the axial direction of the right spring, the cutting knife is located between the left clamping block and the end of the worktable, and the cutting knife is fixedly connected to the frame. A material cylinder, the piston rod of the material cutting cylinder is fixedly connected with the material cutting bracket. The cut-off cylinder provides power for the cut-off bracket, and the left slider presses against the saw blade under the action of the left spring. When the saw blade continues to move after being cut off, the left spring is compressed until the elastic force is consistent with the right spring, and then the spring It is also compressed, that is, after the saw blade is cut off, the cutting bracket can still move a certain distance to improve the cutting quality.

Compared with the prior art, this saw blade gear pressing machine has the following advantages:

1. Since this tooth pressing machine can automatically complete the tooth pressing, moving and cutting processes of the saw blade, the entire saw blade does not need to be manually carried out from tooth pressing to cutting. The automation length is high and the processing efficiency is high.

2. Since the movement of the support plate can not only realize the pressing of the pressing block to the saw blade, but also drive the movement of the moving block to realize the movement of the saw blade, so the pressing tooth and the feeding share a power source, which simplifies the structure and reduces the cost.

3. Since the left clamping block and the right clamping block are always clamped on the saw blade during the cutting process of the saw blade, it is possible to avoid bending of the cutting part of the saw blade under the force of the cutting knife and improve the quality of the saw blade.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the saw blade gear pressing machine.

Fig. 2 is a top view of the structure of the saw blade gear pressing machine.

Fig. 3 is an enlarged view of the structure at A in Fig. 1 .

Fig. 4 is an enlarged view of the structure at B in Fig. 1 .

Fig. 5 is a partial structural schematic diagram of the saw blade gear pressing machine.

FIG. 6 is an enlarged view of the structure at point C in FIG. 1 .

FIG. 7 is an enlarged view of the structure at D in FIG. 1 .

In the figure, 1. frame; 11. worktable; 12. feed trough; 13. feed roller; 14. guide groove; 15. guide rod; 16. connecting groove; 2. positioning plate; , pressure plate; 23, feeding pressure wheel; 24, tension spring; 25, connection sleeve; 26, connecting rod; 27, tension spring; 3, support plate; Dovetail groove; 34, slide block; 35, positioning bolt; 36, connecting rod; 361, connecting part; 37, sliding bar; 38, strip groove; 39, pressing tooth cylinder; 4, moving block; , feed rod; 43, guide sleeve; 44, fixed rod; 45, casing; 46, telescopic rod; 461, limit convex edge; 47, extension spring; 5, cutting bracket; 51, cutting knife; 52 , left clamping block; 53, right clamping block; 54, left spring; 55, right spring; 56, upper rack; 561, connecting convex edge; 57, lower rack; 58, left chute; ; 6, connecting block; 61, right chute; 62, transmission gear.

Detailed ways

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in Figures 1 to 7, a saw blade gear pressing machine includes a frame 1, on which a long strip-shaped worktable 11 is fixedly connected, and on the upper side of the worktable 11, there is a hole for the saw blade to pass through. Feed trough 12, frame 1 is all hinged with positioning plate 2 on both sides of worktable 11, all slides and is connected with elongated pressing plate 22 on the positioning plate 2, and the length direction of pressing plate 22 and the length direction of feeding chute 12 Consistent, the sliding direction of the pressing plate 22 is perpendicular to the length direction of the feeding trough 12, and a pressing piece that can drive the positioning plate 2 against the frame 1 is provided between the positioning plate 2 and the frame 1, and the positioning plate 2 and the pressing plate 22 is provided with a pressing member 2 that can drive the two pressing plates 22 to be pressed on both sides of the saw blade. The frame 1 is slidably connected with a support plate 3 on both sides of the feeding chute 12, and the support plate 3 is slidably connected with a pressing block. 31, and the sliding direction of the pressing block 31 and the support plate 3 is perpendicular to the length direction of the feed trough 12, the two pressing blocks 31 are evenly distributed with pressing tooth protrusions 32 on the opposite sides, and the supporting plate 3 is provided with a pressing Block 31 is fixed on the positioning piece on the support plate 3, and a connecting piece that can drive the other support plate 3 to move in the opposite direction is provided between the two support plates 3 when one support plate 3 moves. Both sides are slidingly connected with the moving block 4 along the length direction of the feed trough 12, and the moving block 4 is hinged with a pull rod 41, and the free ends of the two pull rods 41 are respectively hinged on the two support plates 3, and the two moving blocks 4 are connected with The feeding rod 42 that can be embedded in the saw tooth groove of the saw blade, the frame 1 is slidably connected with the cutting bracket 5 along the width direction of the feeding groove 12 at the end of the feeding groove 12, and the cutting bracket 5 is fixedly connected with a cutting knife 51, The cutting bracket 5 is connected with a left clamping block 52, and a left spring 54 is provided between the left clamping block 52 and the cutting bracket 5, and the frame 1 is slidably connected with a right clamping block 53, and the right clamping block 53 is connected to the cutting bracket 5. A transmission member that can drive the right clamping block 53 to move and clamp the saw blade together with the left clamping block 52 when the cutting knife 51 is close to the saw blade is arranged between the material brackets 5 .

The worktable 11 is arranged horizontally, one end of which is the output end, the saw blade is placed in the feeding trough 12, the saw tooth edge of the saw blade faces upwards and protrudes from the feeding trough 12, the positioning plate 2 is manually swung, and under the action of the pressing part 1, the two The two positioning plates 2 are close to each other and keep the trend of approaching, and under the action of the pressing member 2, the two pressing plates 22 are respectively pressed against the two sides of the saw blade, that is, the pressing plates 22 can make the width direction of the saw blade vertically upward. , when pressing the teeth, the positioning of the saw blade by the pressing plate 22 can make the saw blade more stable, and the tooth pressing accuracy is higher. After the saw blade is positioned, the power source on the frame 1 can push the support plate 3, and a support plate 3 phases The saw blade moves, and under the action of the connecting piece, the other supporting plate 3 moves at the same speed and in the opposite direction, that is, the two supporting plates 3 are close together until the pressing blocks 31 on the supporting plates 3 touch each other, and the two pressing blocks 31 The tooth-pressing protrusions 32 on the top are arranged oppositely and at intervals, which can respectively act on the saw teeth of the saw blade, so that the adjacent two saw teeth can tilt in opposite directions to realize the tooth-pressing process. After the tooth pressing is completed, the two support plates 3 reverse Move toward reset, wait for the pressing teeth of the next segment of saw blade, and during the reset movement of support plate 3, since the two moving blocks 4 are respectively connected to the two support plates 3 through pull rods 41, the movement of the two support plates 3 can be achieved through pull rods 41 Drag the moving block 4, at this time, because the feeding rod 42 is connected between the two moving blocks 4, the feeding rod 42 is horizontally arranged and embedded in the sawtooth groove of the saw blade, so the feeding rod 42 can drag the saw blade to move a station. After the two support plates 3 are reset in place, the feed rod 42 stops moving, that is, the saw blade moves to the right position, and in the next tooth pressing process, the feed rod 42 resets under the action of the pull rod 41, so repeated and can continue to press the saw blade, and Along with the gradual movement of the saw blade, the saw blade with the pressed teeth gradually protrudes from the output end of the worktable 11, and the power source drives the cutting bracket 5 to move horizontally. During the moving process of the cutting bracket 5, the cutting bracket 5 The left clamping block 52 on the top is close to the saw blade, and under the action of the transmission member, the right clamping block 53 moves at the same speed and in the opposite direction, that is, the left clamping block 52 and the right clamping block 53 approach the saw blade and clamp the saw blade , now the cutting bracket 5 compresses the left spring 54 and continues to move toward the saw blade until the cutting knife 51 cuts off the saw blade. Under the action force of the cutting knife 51 , the cutting part of the saw blade is bent, which improves the quality of the saw blade. The entire saw blade does not need to be manually performed from tooth pressing to cutting, and the automation length is high, and the processing efficiency is high.

Specifically, the pressing part one includes a tension spring 24, and the positioning plate 2 is hinged on the frame 1 through a swing rod 21. One end of the tension spring 24 is fixedly connected on the lower side of the positioning plate 2, and the other end is fixedly connected on the lower side of the positioning plate 2. On the frame 1, and the connection point between the tension spring 24 and the frame 1 is located below the hinge point of the fork 21 and the frame 1, the tension spring 24 has a critical point for the pulling force of the positioning plate 2, that is, the tension spring 24 and the connection point of frame 1 can be located on the axis of fork 21, and when pressing plate 22 was pressed on the saw blade, tension spring 24 was inclined relative to fork 21 and tightened positioning plate 2, and pulling positioning plate 2 , the tension spring 24 can cross the critical point of maximum tension and tilt relative to the fork 21 again, that is, when the two positioning plates 2 are not positioned to the saw blade, the tension spring 24 can position the positioning plate 2. The pressing part 2 includes a tension spring 27, a number of connecting sleeves 25 are fixedly connected on the upper side of the positioning plate 2, and a plurality of connecting rods 26 are fixedly connected on the pressing plate 22, and the connecting rods 26 are slidably inserted in the connecting sleeve 25, tensioned The tight spring 27 is sleeved on the connecting rod 26, and one end of the tension spring 27 is pressed against the connecting sleeve 25, and the other end is pressed against the pressing plate 22. There are several hinged joints along the length direction on the bottom surface of the feeding chute 12 for supporting the saw blade. The feeding roller 13, the pressing plate 22 is hinged along the length direction with a number of feeding pressing wheels 23 for pressing on the side of the saw blade. When the two positioning plates 2 are close to each other, the pressing plate 22 is pressed against the saw blade under the action of the pressing spring. Above, that is, the positioning force of the pressing plate 22 on the saw blade comes from the tension spring 24 and the pressing spring, and the positioning is more stable. Since the saw blade needs to move in the feeding groove 12, and during the movement of the saw blade, the pressing plate 22 always presses against the saw blade. Therefore, the feeding pinch wheel 23 is hinged on the pressing plate 22, and the feeding roller 13 is hinged in the feeding groove 12, so that the saw blade moves more smoothly.

Specifically, the positioning member includes a plurality of positioning bolts 35, a dovetail groove 33 is provided on the upper side of the support plate 3, and a slider 34 is provided on the lower side of the pressing block 31, and the sliding block 34 is slidably connected in the dovetail groove 33. A screw hole is provided, and the positioning bolt 35 is screwed into the screw hole, and the end of the positioning bolt 35 is pressed against the bottom surface of the dovetail groove 33, that is, the position of the pressure block 31 can be adjusted relative to the support plate 3, and fixed by the positioning piece after being adjusted in place. Hold, so that the saw teeth with different inclinations can be pressed out on the saw blade by the two pressing blocks 31, and the applicability is stronger. The connector includes two connecting rods 36, the frame 1 is provided with a guide groove 14, the support plate 3 has a sliding bar 37 on the lower side, and the sliding bar 37 is slidably connected in the guiding groove 14, and the two connecting rods 36 are hinged by pin shafts. , the pin shafts are respectively located in the middle of the length of the two connecting rods 36, and the pin shafts are hinged on the lower side of the worktable 11, the two ends of the connecting rod 36 have connecting parts 361 bent upward, and the lower side of the support plate 3 is provided with There is a bar-shaped groove 38, and the length direction of the bar-shaped groove 38 is arranged along the length direction of the feeding chute 12. The connecting part 361 is slidably connected in the bar-shaped groove 38, and the frame 1 is fixedly connected with a tooth pressing cylinder 39. The piston rod of 39 is fixedly connected with one of the support plates 3, and the pressure tooth cylinder 39 promotes a support plate 3 to move, and because the pin shaft is positioned at the middle part of the two connecting rods 36, the other support plate 3 can move at the same speed, while The two connecting rods 36 are arranged crosswise, so the two support plates 3 can move in different directions.

Specifically, the frame 1 is fixedly connected with guide rods 15 along the length direction of the feeding chute 12 on both sides of the worktable 11, and is fixedly connected with guide sleeves 43 on the lower side of the moving block 4, and the guide sleeves 43 are slidably sleeved on On the guide rod 15, two guide sleeves 43 are fixedly connected by a U-shaped fixed rod 44, that is, the moving block 4 can only move along the length direction of the feeding chute 12, while the fixed rod 44 can ensure the synchronization of the movement of the two moving blocks 4.

All are fixedly connected with sleeve pipe 45 on the upper side of moving block 4, and telescopic rod 46 is slidably inserted in the sleeve pipe 45, and the upper end of this telescopic rod 46 all stretches out sleeve pipe 45, and is all connected with shaft The two ends of the feeding rod 42 are respectively positioned in the two shaft sleeves, the sleeve 45 is covered with a tension spring 47, and the telescopic rod 46 has a ring-shaped limit convex edge 461, and one end of the tension spring 47 is fixedly connected to the limit position. On the convex edge 461, the other end is fixedly connected to the outer wall of the shaft sleeve. Under the action of the tension spring 47, the position-limiting convex edge 461 abuts against the upper end of the sleeve 45, and the saw teeth on the saw blade have peaks inclined to one end. , when the pull rod 41 pulls the feed rod 42, the feed rod 42 can be embedded in the sawtooth groove under the action of the extension spring 47; Going over the sawtooth along the arc edge of the sawtooth, that is, the feeding rod 42 will not generate thrust on the saw blade when it resets and moves.

Specifically, a connection groove 16 is provided on the frame 1, and the connection groove 16 is located at one side of the end of the feed chute 12, and the length direction of the connection groove 16 is set along the width direction of the feed chute 12, and the connection groove 16 is slidably connected with Connecting block 6, connecting block 6 is provided with right chute 61 along the length direction of connecting groove 16, and right clamping block 53 is slidably connected in the right chute 61, and connecting groove 16 is provided with right spring 55, and one end of this right spring 55 abuts against Press on the connecting block 6, and the other end is pressed against the end surface of the connecting groove 16. With the movement of the cutting bracket 5, the left clamping block 52 and the right clamping block 53 clamp the saw blade, and the cutting bracket 5 continues to move at this time And cut off the saw blade, after cutting off the saw blade, the cutting bracket 5 needs to continue to move a certain distance, at this time, the cutting bracket 5 can promote the right clamping block 53 and the left clamping block 52 to move together, that is, the right clamping block 53 can compress the right spring 55, but under the action of the right spring 55, the right clamping block 53 and the left clamping block 52 are still clamped on the cut-off saw blade. The transmission part includes a transmission gear 62, and the upper rack 56 is fixedly connected to the right clamping block 53. The upper rack 56 has a connecting convex edge 561 along the length direction, and the connecting convex edge 561 is slidably connected in the right chute 61 to cut off the material. The bracket 5 is fixedly connected with the lower rack 57, the transmission gear 62 is rotatably connected to the connecting block 6, and the transmission gear 62 is located between the upper rack 56 and the lower rack 57 and is connected with the upper rack 56 and the lower rack 57. meshed, the elastic force of the right spring 55 is greater than that of the left spring 54, and with the movement of the cutting bracket 5, the right clamping block 53 can move toward the saw blade under the action of the transmission gear 62, but under the action of the right spring 55, the connecting block 6 Still remain still.

Cutting bracket 5 is provided with left chute 58, left clip 52 is slidably connected in left chute 58, one end of left spring 54 is fixedly connected on left slider 34, and the other end is fixedly connected on cutting bracket 5 , the axial direction of the left spring 54 is consistent with the axial direction of the right spring 55, the material cutting knife 51 is located between the left clamping block 52 and the end of the worktable 11, and the material cutting cylinder 59 is fixedly connected with the frame 1. The piston rod of the cylinder 59 is fixedly connected with the cutting bracket 5, and the cutting cylinder 59 provides power for the cutting bracket 5, and the left slider 34 presses against the saw blade under the action of the left spring 54. In the process of continuing to move, the left spring 54 is compressed until the elastic force is consistent with the right spring 55, and then the spring is also compressed, so that the cutting bracket 5 can still move a certain distance after cutting off the saw blade, so that the cutting quality is improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (6)

1. a kind of saw blade knob machine, including rack (1), which is characterized in that be fixed with the workbench of strip on the rack (1) Plate (11), offer on working plate (11) upper side for saw blade by chute feeder (12), the rack (1) is in work The both sides for making platen (11) are hinged with positioning plate (2), and the pressing plate of strip is slidably connected on the positioning plate (2) (22), and the length direction of pressing plate (22) is consistent with the length direction of chute feeder (12), the glide direction of pressing plate (22) and feeding The length direction of slot (12) is vertical, and being equipped between the positioning plate (2) and rack (1) can drive positioning plate (2) to be resisted against machine Compressing member one on frame (1), being equipped between the positioning plate (2) and pressing plate (22) can drive two pressing plates (22) to be pressed on saw blade Compressing member two on two sides, the rack (1) slidably connect support plate (3), the branch in the both sides of chute feeder (12) Briquetting (31) is slidably connected on fagging (3), and briquetting (31) and the glide direction of support plate (3) are each perpendicular to chute feeder (12) Length direction, be evenly equipped with knob convex body (32) on the opposite sides face of two briquettings (31), the support plate (3) is equipped with The locating piece that briquetting (31) can be fixed in support plate (3) is equipped with when a support plate between two support plates (3) (3) connector that another support plate (3) moves in the opposite direction can be driven when mobile, the rack (1) is in chute feeder (12) both sides slidably connect movable block (4) along chute feeder (12) length direction, and drawing is hinged on the movable block (4) Bar (41), and the free end of two pull rods (41) is respectively hinged in two support plates (3), is connected between two movable blocks (4) The feeding rod (42) that can be embedded in saw blade serrated slot, the rack (1) is in the end of chute feeder (12) along chute feeder (12) width Degree direction, which slidably connects, cuts material torr frame (5), is fixed on described section of material torr frame (5) and cuts material knife (51), described section of material torr frame (5) On be connected with left fixture block (52), and left fixture block (52) and cut between material torr frame (5) and be equipped with left spring (54), on the rack (1) Right fixture block (53) is slidably connected, is equipped between the right fixture block (53) and section material torr frame (5) when section material knife (51) is close to saw blade When right fixture block (53) can be driven mobile and with the driving member of left fixture block (52) together clamping saw blade, open up on the rack (1) There is link slot (16), which is located at the side of chute feeder (12) end, and the length direction edge of link slot (16) is sent Hopper (12) width direction is arranged, and link block (6) is slidably connected in the link slot (16), and link block (6) upper edge connects Access slot (16) length direction offers right rail (61), and above-mentioned right fixture block (53) is slidably connected in right rail (61), the company Access slot (16) is equipped with right spring (55), and one end of the right spring (55) is pressed on link block (6), and the other end is pressed on link slot (16) on end face, the driving member includes transmission gear (62), and upper rack (56), tooth on this are fixed on the right fixture block (53) There is connection convex edge (561), the connection convex edge (561) to be slidably connected on item (56) along its length in right rail (61), Lower rack (57) is fixed on described section of material torr frame (5), the transmission gear (62) is rotatably connected on link block (6), and passes Moving gear (62) is located between upper rack (56) and lower rack (57) and is meshed with upper rack (56) and lower rack (57).

2. saw blade knob machine according to claim 1, which is characterized in that the compressing member one includes back-moving spring (24), The positioning plate (2) is hinged on by swing rod (21) in rack (1), and one end of the back-moving spring (24) is connected in positioning plate (2) on downside, the other end is connected in rack (1), and back-moving spring (24) and the tie point of rack (1) are located at swing rod (21) With the lower section of the hinge joint of rack (1).

3. saw blade knob machine according to claim 2, which is characterized in that the compressing member two includes tensioning spring (27), It is fixed with several connector sleeves (25) on positioning plate (2) upper side, several connecting rods (26) are fixed on the pressing plate (22), In connector sleeve (25), the tensioning spring (27) is set in connecting rod (26) for connecting rod (26) sliding plug, and One end of tight spring (27) is pressed on connector sleeve (25), and the other end is pressed on pressing plate (22), chute feeder (12) bottom surface On be hinged with several material-feeding rolling wheels (13) for being used to support saw blade along its length, it is hinged along its length on the pressing plate (22) There are several material feeding pressing wheels (23) for being pressed on saw blade side.

4. saw blade knob machine according to claim 2 or 3, which is characterized in that the locating piece includes several positioning bolts (35), dovetail groove (33) is offered on support plate (3) upper side, and there is sliding block (34) on briquetting (31) downside, The sliding block (34) is slidably connected in dovetail groove (33), and screw hole, the positioning bolt (35) are offered on the briquetting (31) It is screwed onto in screw hole, and the end of positioning bolt (35) is pressed on dovetail groove (33) bottom surface.

5. saw blade knob machine according to claim 4, which is characterized in that the connector includes two connecting rods (36), described Guide groove (14) is offered in rack (1), there is draw runner (37), and draw runner (37) sliding connects on support plate (3) downside It is connected in guide groove (14), two connecting rods (36) are hinged by axis pin, and axis pin is located in the length of two connecting rods (36) Portion, and axis pin is hinged on working plate (11) downside, the both ends of the connecting rod (36) all have the interconnecting piece being folded upward at (361), bar-shaped trough (38) is offered on support plate (3) downside, and the length direction of bar-shaped trough (38) is along chute feeder (12) length direction is arranged, and the interconnecting piece (361) is slidably connected in bar-shaped trough (38), and pressure is fixed on the rack (1) Tooth cylinder (39), piston rod and the one of support plate (3) of the knob cylinder (39) are fixedly connected with.

6. saw blade knob machine according to claim 5, which is characterized in that the rack (1) is the two of working plate (11) Side is fixed with guide rod (15) along chute feeder (12) length direction, and guide sleeve is fixed on movable block (4) downside (43), the guide sleeve (43) is slidably located on guide rod (15), and two guide sleeves (43) pass through U-shaped fixed link (44) phase It is connected.