CN204565308U - A kind of saw blade amputated structure of saw blade pressure tooth machine - Google Patents

Abstract

The utility model provides the saw blade amputated structure of a kind of saw blade pressure tooth machine, belongs to machining equipment technical field.It solve the problem that existing saw blade pressure tooth operation labour intensity is large.The saw blade amputated structure of this saw blade pressure tooth machine, pressure tooth machine comprises frame, frame is fixed with working plate, working plate upper side offers chute feeder, frame slidably connects in the end of chute feeder cuts material bracket, cuts on material bracket and is fixed with a section material cutter, cuts on material bracket and is connected with left fixture block, frame slidably connects right fixture block, between right fixture block and section material bracket, be provided with driving member.Saw blade automatically can block by the saw blade amputated structure of this saw blade pressure tooth machine after saw blade presses tooth to complete, and the quality of blocking rear saw blade is good.

Description

Saw blade cut-off structure of a saw blade gear pressing machine

technical field

The utility model belongs to the technical field of mechanical processing equipment and relates to a saw blade cut-off structure of 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 purpose of this utility model is to solve the above-mentioned problems in the existing technology, and propose a saw blade cutting structure of a saw blade pressing machine. The saw blade cutting structure of the saw blade pressing machine can automatically cut off the saw blade after the saw blade pressing is completed, and The quality of the saw blade after cutting is good.

The purpose of this utility model can be achieved through the following technical solutions: a saw blade cut-off structure of a saw blade gear press machine, the gear press machine includes a frame, and a strip-shaped worktable is fixedly connected to the frame, and the work plate The side surface of the platen is provided with a feeding trough for the saw blade to pass through. It is characterized in that the end of the feeding chute is slidably connected with a cutting bracket along the width direction of the feeding chute, and the cutting bracket is fixedly connected There is a cutting knife, the left clamping block is connected to the cutting bracket, and a left spring is arranged between the left clamping block and the cutting bracket, the right clamping block is slidably connected to the frame, and the right clamping A transmission member that can drive the right clamping block to move and clamp the saw blade together with the left clamping block when the cutting knife is close to the saw blade is provided between the block and the cutting bracket.

The worktable is set horizontally, one end is the output end, the saw blade is placed in the feeding chute, the saw blade’s sawtooth edge faces up and protrudes from the feeding chute, as the saw blade moves step by step, the saw blade with pressed teeth is gradually output from the worktable The power source drives the cutting bracket to move horizontally. During the moving process 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 with the same speed and move in the opposite direction, that is, the left clamping block and the right clamping block approach the saw blade and clamp the saw blade. At this time, the cutting bracket compresses the left spring and continues to move towards the saw blade until the cutting knife cuts the saw blade. During the cutting process , The left clamping block and the right clamping block are always clamped on the saw blade, which 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.

In the saw blade cut-off structure of the above-mentioned saw blade gear pressing machine, a connecting groove is opened on the frame, the connecting groove is located on one side of the end of the feeding chute, and the length direction of the connecting groove is set along the width direction of the feeding chute. A connecting block is slidably connected in the connecting groove, and a right chute is provided on the connecting block along the length direction of the connecting groove. The above-mentioned right clamping block is slidably connected in the right chute, and the connecting groove is provided with a right spring. One end is pressed against the connection block, and the other end is pressed against the end surface 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 saw blade cut-off structure of the above-mentioned saw blade gear press 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 The convex edge is slidably connected in the right chute, the lower rack is fixedly connected to the cutting bracket, the transmission gear is rotatably connected to the connection block, and the transmission gear is located between the upper rack and the lower rack and is connected with the The upper rack and the lower rack mesh together. 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 saw blade cut-off structure of the above-mentioned saw blade gear pressing machine, a left chute is provided on the cutting bracket, the above-mentioned left clamping block is slidably connected in the left chute, and one end of the left spring is fixedly connected to the left slider , the other end is fixedly connected on the cutting bracket, the axial direction of the left spring is consistent with the axial direction of the right spring, and the cutting knife is located between the left clamping block and the end of the worktable. The left slider presses against the saw blade under the action of the left spring. In the process of continuing to move after the saw blade is cut off, the left spring is compressed until the elastic force is consistent with that of the right spring, and then the spring is also compressed, that is, the material is cut after the saw blade is cut. The carriage is still able to move a certain distance, improving the cutting quality.

In the above saw blade cutting structure of the saw blade gear pressing machine, a cutting cylinder is fixedly connected to the frame, and a piston rod of the cutting cylinder is fixedly connected with the cutting bracket.

Compared with the prior art, the saw blade cut-off structure of the saw blade gear pressing machine has the following advantages:

1. 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 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.

2. Since the left spring is compressed to the same elastic force as the right spring during the continuous movement after the saw blade is cut off, and then the spring is also compressed, that is to say, the cutting bracket can still move a certain distance after the saw blade is cut off, which improves the cutting effect. quality. .

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 utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.

As shown in Figures 1 to 7, a saw blade cut-off structure of a saw blade gear press machine, the saw blade gear press machine includes a frame 1, a strip-shaped worktable 11 is fixedly connected to the frame 1, and the worktable On the upper side of 11, there is a feeding trough 12 for the saw blade to pass through. The frame 1 is hinged with a positioning plate 2 on both sides of the worktable 11. The positioning plate 2 is slidably connected with a strip-shaped pressing plate 22, and the pressing plate 22 The length direction of the pressing plate 22 is consistent with the length direction of the feeding chute 12, the sliding direction of the pressing plate 22 is perpendicular to the length direction of the feeding chute 12, and a positioning plate 2 is provided between the positioning plate 2 and the frame 1 to make the positioning plate 2 lean against the frame 1. Compression piece 1, between the positioning plate 2 and the pressure plate 22, there is a pressure piece 2 that can drive the two pressure plates 22 to be pressed on both sides of the saw blade, and the frame 1 is slidably connected with a support plate 3 on both sides of the feeding chute 12 , the support plate 3 is slidably connected with a pressure block 31, and the sliding direction of the pressure block 31 and the support plate 3 is perpendicular to the length direction of the feed chute 12, and the two pressure blocks 31 are evenly distributed with pressure tooth protrusions 32 on the opposite sides. , the support plate 3 is provided with a locator that can fix the pressure block 31 on the support plate 3, and a connection that can drive the other support plate 3 to move in the opposite direction is provided between the two support plates 3 The frame 1 is slidingly connected with the moving block 4 along the length direction of the feeding trough 12 on both sides of the feeding trough 12, and the moving block 4 is hinged with pull rods 41, and the free ends of the two pull rods 41 are respectively hinged on the two support plates 3 Above, a feeding rod 42 that can be embedded in the saw tooth groove of the saw blade is connected between the two moving blocks 4, and the cut-off structure includes that the frame 1 is slidably connected with the cutting bracket 5 along the width direction of the feed groove 12 at the end of the feed groove 12, and the cut-off structure includes: A cutting knife 51 is fixedly connected on the material bracket 5, and a left clamping block 52 is connected on the material cutting bracket 5, and a left spring 54 is arranged between the left clamping block 52 and the material cutting bracket 5, and slides on the frame 1. A right clamping block 53 is connected, and a transmission member that can drive the right clamping block 53 to move and tighten the saw blade together with the left clamping block 52 when the cutting knife 51 is close to the saw blade is provided between the right clamping block 53 and the cutting bracket 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.

The locating member includes a plurality of positioning bolts 35, a dovetail groove 33 is provided on the upper side of the support plate 3, 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, and a screw hole is provided on the pressing block 31 , the positioning bolt 35 is screwed in 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 pressure block 31 can adjust its position relative to the support plate 3, and after it is adjusted in place, it is fixed by the positioning piece, so that The two pressing blocks 31 can press saw teeth with different inclinations on the saw blade, which is more adaptable. 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. The guide sleeves 43 slide Set on the guide rod 15, the two guide sleeves 43 are fixedly connected by the U-shaped fixed rod 44, that is, the moving block 4 can only move along the length direction of the feeding trough 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 only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model 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 utility model or go beyond the appended claims defined range.

Claims (5)

1. the saw blade amputated structure of a saw blade pressure tooth machine, described saw blade pressure tooth machine comprises frame (1), described frame (1) is fixed with the working plate (11) of strip, described working plate (11) upper side offers the chute feeder (12) passed through for saw blade, it is characterized in that, described frame (1) slidably connects along chute feeder (12) width in the end of chute feeder (12) and cuts material bracket (5), described section of material bracket (5) is fixed with and cuts material cutter (51), described section of material bracket (5) is connected with left fixture block (52), and be provided with left spring (54) between left fixture block (52) and section material bracket (5), described frame (1) slidably connects right fixture block (53), described right fixture block (53) can drive right fixture block (53) mobile and driving member that is clamping saw blade together with left fixture block (52) in time cutting and be provided with when the close saw blade of section material cutter (51) between material bracket (5).

2. the saw blade amputated structure of saw blade pressure tooth machine according to claim 1, it is characterized in that, described frame (1) offers link slot (16), this link slot (16) is positioned at the side of chute feeder (12) end, and the length direction of link slot (16) is arranged along chute feeder (12) width, contiguous block (6) is slidably connected in described link slot (16), described contiguous block (6) offers right rail (61) along link slot (16) length direction, above-mentioned right fixture block (53) is slidably connected in right rail (61), described link slot (16) is provided with right spring (55), one end of this right spring (55) is pressed on contiguous block (6), the other end is pressed on link slot (16) end face.

3. the saw blade amputated structure of saw blade pressure tooth machine according to claim 2, it is characterized in that, described driving member comprises travelling gear (62), described right fixture block (53) is fixed with upper rack (56), this upper rack (56) has along its length connection convex edge (561), described connection convex edge (561) is slidably connected in right rail (61), described section of material bracket (5) is fixed with lower tooth bar (57), described travelling gear (62) is rotatably connected on contiguous block (6), and travelling gear (62) to be positioned between upper rack (56) with lower tooth bar (57) and to be meshed with upper rack (56) and lower tooth bar (57).

4. the saw blade amputated structure of saw blade pressure tooth machine according to claim 3, it is characterized in that, described section of material bracket (5) offers left chute (58), above-mentioned left fixture block (52) is slidably connected in left chute (58), described left spring (54) one end is connected on left slider (34), the other end is connected in and cuts on material bracket (5), the axis of described left spring (54) is positioned between left fixture block (52) and working plate (11) end with the axial consistent of right spring (55), described section of material cutter (51).

5. the saw blade amputated structure of the saw blade pressure tooth machine according to Claims 2 or 3 or 4, it is characterized in that, described frame (1) is fixed with and cuts material cylinder (59), the piston rod of this section of material cylinder (59) is connected mutually with a section material bracket (5).