Knife closing structure for heald frame of heavy ribbon loom

Abstract

The utility model relates to the technical field of ribbon looms, in particular to a heald frame cutter closing structure of a heavy ribbon loom. Comprising a rack, a plurality of heald frames arranged on the rack, a plurality of elastic pieces arranged between the rack and the heald frames, a plurality of closing knives arranged on the heald frames, a plurality of bearings rotationally arranged on the closing knives, a plurality of bearing shafts arranged on the closing knives in a penetrating mode, a plurality of cams used in cooperation with the bearings and a plurality of driving assemblies arranged on the cams. The closing knife abuts against the cam in a rolling mode through the bearing so that the closing knife can rotate around the bearing shaft and drive the heald frame to move up and down relative to the machine frame. The pull-up type spring structure is adopted, the tension of the spring can be flexibly adjusted according to the manufacturing requirement of the braid, it is ensured that the closing knife is stressed evenly, the structure is compact, design is reasonable, operation is easy and convenient, and working efficiency and working quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a loom technical field especially relates to a heavy loom frame closing sword structure. BACKGROUND

[0002] Heavy loom is a kind of mechanical equipment for producing loom, it is suitable for weaving the heavy belt of the thickness of 3 to 8 millimeters, thus is widely used in the production of hoisting belt, rigging belt, canvas belt, parachute belt, hoisting belt, crane's sling etc. The existing heavy loom mainly adopts the spring structure of pulling down, due to the narrow space of machine table, the tension of closing sword cannot be adjusted flexibly, which easily causes the imbalance of closing sword due to the excessive force, and leads to the breakage of closing sword, inconvenient operation, increases the manufacturing cost, and affects the work efficiency and quality. SUMMARY

[0003] The utility model discloses to the shortage of prior art, provide a heavy loom frame closing sword structure, adopt the spring structure of pulling up, can flexibly adjust the tension of spring according to the manufacturing requirement of loom, ensure that closing sword is under uniform stress, compact structure and reasonable in design, simple and convenient operation, improve work efficiency and quality.

[0004] To realize the above-mentioned purpose, a heavy loom frame closing sword structure of the utility model, including frame, set up in the frame's frame, set up between the frame and the frame's elastic part, set up in the frame's closing sword, rotationally set up in the bearing of closing sword, the load shaft of being set up in closing sword, the cam of being used with bearing and the drive assembly of being set up in cam, the frame, elastic part, closing sword, bearing, cam are set up with multiple respectively, closing sword is rolled on cam by bearing, to make closing sword rotate around load shaft and drive frame to move up and down relative to frame.

[0005] Preferably, the frame is provided with warp frame silk sheet, the two sides of the frame are provided with guide strips, the bottom of the frame is provided with a mounting seat, the mounting seat is provided with an elastic clamping arm, one end of the mounting seat close to the frame is provided with a first mounting hole, the frame is provided with a first connecting hole in communication with the first mounting hole, the elastic clamping arm is provided with a second mounting hole, and the elastic clamping arm is used for clamping the outer wall of the closing sword.

[0006] Preferably, the elastic part includes a first clamping column, a second clamping column opposite to the first clamping column, a spring arranged between the first clamping column and the second clamping column, a screw arranged on the first clamping column, an assembly clamping arm arranged on the second clamping column, and an assembly hole arranged on the assembly clamping arm, and the top of the frame is provided with a second connecting hole in communication with the assembly hole.

[0007] Preferably, the first clamping column is provided with a first insertion rod at the end away from the screw, the second clamping column is provided with a second insertion rod at the end away from the assembly clamping arm, one end of the spring is sleeved outside the first insertion rod, and the other end of the spring is sleeved outside the second insertion rod.

[0008] Preferably, the inner wall of the rack is provided with a guide seat, the guide seat is provided with a guide groove, and the guide strip is slidingly arranged in the guide groove.

[0009] Preferably, the rack is provided with a stand, the stand is provided with a slot, and the knife is slidingly arranged in the slot.

[0010] Preferably, the driving assembly comprises a driving roller, a rolling bearing sleeved outside the driving roller, and a transmission wheel arranged on the driving roller, and the cam is sleeved outside the driving roller.

[0011] The utility model discloses the beneficial effects: adopt the pull -up type spring structure to be able to according to the manufacturing requirement of braid to adjust the tension of spring size flexibly, ensure knife stress uniform, compact structure and reasonable in design, simple and convenient operation, improve work efficiency and work quality. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural schematic diagram of the utility model.

[0013] Figure 2 It is Figure 1 It is the local amplification structural schematic diagram of A.

[0014] Figure 3 It is the decomposition structural schematic diagram of the utility model's brown frame and elastic piece.

[0015] The reference signs include:

[0016] 1 - rack 11 - guide seat 12 - guide groove

[0017] 13 - stand 14 - slot

[0018] 2 - brown frame 21 - warp lifting brown silk piece 22 - guide strip

[0019] 23 - mounting seat 24 - elastic clamping arm 25 - first mounting hole

[0020] 26 - first connecting hole 27 - second mounting hole 28 - second connecting hole

[0021] 3 - elastic piece 31 - first clamping column 32 - second clamping column

[0022] 33 - spring 34 - screw 35 - assembly clamping arm

[0023] 36 - assembly hole 37 - first insertion rod 38 - second insertion rod

[0024] 4 - closing knife 5 - bearing 6 - bearing shaft

[0025] 7 - cam

[0026] 8 - drive assembly 81 - drive roller 82 - rolling bearing

[0027] 83 - transmission wheel. DETAILED DESCRIPTION

[0028] The utility model is described in detail below in combination with the drawings.

[0029] As Figures 1 to 3 shown, the utility model relates to a heavy loom frame closing knife structure, including frame 1, set up in frame 1's loom frame 2, set up in frame 1 and loom frame 2 between the elastic element 3, set up in loom frame 2's closing knife 4, rotation set up in closing knife 4's bearing 5, the bearing shaft 6 of through setting in closing knife 4, with bearing 5 cooperation and use cam 7 and set up in cam 7's drive assembly 8, loom frame 2, elastic element 3, closing knife 4, bearing 5, cam 7 set up with multiple respectively, closing knife 4 is rolled and is contacted on cam 7 by bearing 5, to make closing knife 4 revolve around bearing shaft 6 and drive loom frame 2 to move up and down relative to frame 1.

[0030] When working, the drive assembly 8 is driven to rotate by the driving mechanism of the external environment, the cam 7 is sleeved on the outside of the drive assembly 8, and the drive assembly 8 is further driven to rotate by means of rotation, since the closing knife 4 is rolled and contacted on the cam 7 by the bearing 5, and the bearing shaft 6 is throughly arranged in the closing knife 4, the closing knife 4 is rolled along the outer periphery of the cam 7 by the bearing 5, so that one end of the closing knife 4 swings upward around the bearing shaft 6, and the other end of the closing knife 4 drives the loom frame 2 to move downward, or one end of the closing knife 4 swings downward around the bearing shaft 6, and the other end of the closing knife 4 drives the loom frame 2 to move upward, so that the closing knife 4 forms a lever structure on the bearing shaft 6, thereby driving the loom frame 2 to repeatedly move up and down, which is helpful to form a V-shaped opening of the warp yarn, the elastic element 3 arranged between the frame 1 and the loom frame 2 can promote the rapid resetting of the loom frame 2, the loom frame 2, the elastic element 3, the closing knife 4, the bearing 5 and the cam 7 are respectively provided with multiple, and multiple components work in cooperation, so that the working linkage performance is high, and the working efficiency is improved. The utility model adopts the up-pulling type spring 33 structure, which can flexibly adjust the tension of the spring 33 according to the manufacturing requirements of the braid, ensures that the closing knife 4 is uniformly stressed, the structure is compact and reasonable in design, and the operation is simple and convenient, so that the working efficiency and quality are improved.

[0031] The brown frame 2 of the embodiment is provided with the warp lifting brown silk pieces 21, both sides of the brown frame 2 are provided with the guide strips 22, the bottom of the brown frame 2 is provided with the mounting seat 23, the mounting seat 23 is provided with the elastic clamping arms 24, one end of the mounting seat 23 close to the brown frame 2 is provided with the first mounting hole 25, the brown frame 2 is provided with the first connecting hole 26 which is communicated with the first mounting hole 25, the elastic clamping arms 24 are provided with the second mounting hole 27, and the elastic clamping arms 24 are used for clamping the outer wall of the joint cutter 4. Specifically, the external screw 34 is used to pass through the first mounting hole 25 and then connected and fixed in the first connecting hole 26, so that the mounting seat 23 is mounted and fixed at the bottom of the brown frame 2, and then the external screw 34 is used to pass through the second mounting hole 27 and then connected and fixed on the joint cutter 4, so that the connection and fixation between the brown frame 2 and the joint cutter 4 are realized, both sides of the brown frame 2 are provided with the guide strips 22, which is beneficial to the directional up-down movement of the brown frame 2 along the rack 1 through the guide strips 22, so that the brown frame 2 can be stably lifted, and the brown frame 2 is provided with the warp lifting brown silk pieces 21, so that a plurality of warp yarns are respectively transported in a directional manner through the warp lifting brown silk pieces 21.

[0032] The elastic member 3 of the embodiment includes the first clamping column 31, the second clamping column 32 which is oppositely arranged with the first clamping column 31, the spring 33 which is arranged between the first clamping column 31 and the second clamping column 32, the screw 34 which is arranged on the first clamping column 31, the assembly clamping arm 35 which is arranged on the second clamping column 32, and the assembly hole 36 which is arranged on the assembly clamping arm 35, and the top of the brown frame 2 is provided with the second connecting hole 28 which is communicated with the assembly hole 36. Specifically, the screw 34 passes through the rack 1 and is connected and fixed on the first clamping column 31, so that the first clamping column 31 is connected and fixed on the rack 1, the spring 33 is arranged between the first clamping column 31 and the second clamping column 32, the external screw 34 passes through the assembly hole 36 and is connected and fixed in the second connecting hole 28, so that the second clamping column 32 is connected and fixed on the brown frame 2, and the elastic member 3 is installed between the rack 1 and the brown frame 2.

[0033] One end of the first clamping column 31 away from the screw 34 is provided with the first insertion rod 37, one end of the second clamping column 32 away from the assembly clamping arm 35 is provided with the second insertion rod 38, one end of the spring 33 is sleeved on the outside of the first insertion rod 37, and the other end of the spring 33 is sleeved on the outside of the second insertion rod 38. Specifically, the first clamping column 31 is inserted in one end of the spring 33 through the first insertion rod 37, and the second clamping column 32 is inserted in the other end of the spring 33 through the second insertion rod 38, so that the spring 33 is stably inserted between the first clamping column 31 and the second clamping column 32, and the insertion stability is high.

[0034] The inner wall of the rack 1 is provided with a guide seat 11, the guide seat 11 is provided with a guide groove 12, and the guide strip 22 is slidingly arranged in the guide groove 12. Specifically, the guide seat 11 is slidingly connected with the guide strip 22 through the guide groove 12, so that the brown frame 2 slides up and down along the guide seat 11, and the stability of the lifting of the brown frame 2 is ensured.

[0035] The rack 1 is provided with a vertical seat 13, the vertical seat 13 is provided with a slot 14, and the knife 4 is slidingly arranged in the slot 14. Specifically, the vertical seat 13 is slidingly connected with the knife 4 through the slot 14, so that the knife 4 slides up and down along the vertical seat 13, and the stability of the lifting of the knife 4 is ensured.

[0036] The driving assembly 8 comprises a driving roller 81, a rolling bearing 82 sleeved on the outer side of the driving roller 81 and a transmission wheel 83 arranged on the driving roller 81, and the cam 7 is sleeved on the outer side of the driving roller 81. Specifically, the cam 7 is sleeved on the outer side of the driving roller 81, the outer ring of the rolling bearing 82 is mounted on the outer workbench, the inner ring of the rolling bearing 82 is sleeved on the outer side of the driving roller 81, the rotating friction of the driving roller 81 is reduced, the bearing capacity is good, and the external driving mechanism is engaged with the transmission wheel 83, so that the driving roller 81 drives the cam 7 to rotate.

[0037] The above is only the preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, the specific implementation and application range can be changed, and the content of the specification should not be understood as the limitation of the present application.

Claims

1. A heavy duty ribbon loom brown frame knife structure, characterized by: The device includes a frame, a frame mounted on the frame, an elastic element between the frame and the frame, a blade mounted on the frame, a bearing rotatably mounted on the blade, a bearing shaft passing through the blade, a cam that cooperates with the bearing, and a drive assembly mounted on the cam. Multiple frames, elastic elements, blades, bearings, and cams are provided. The blade rolls against the cam via the bearing, causing the blade to rotate around the bearing shaft and move the frame up and down relative to the frame.

2. A heavy loom harness frame according to claim 1, wherein: The palm frame is provided with palm fiber strips, and guide strips are provided on both sides of the palm frame. A mounting base is provided at the bottom of the palm frame, and the mounting base is provided with an elastic clamping arm. A first mounting hole is provided at one end of the mounting base near the palm frame, and a first connecting hole is provided in the palm frame that communicates with the first mounting hole. The elastic clamping arm is provided with a second mounting hole and is used to clamp and abut against the outer wall of the hand knife.

3. A heavy loom harness frame according to claim 1, wherein: The elastic element includes a first clamping post, a second clamping post opposite to the first clamping post, a spring disposed between the first clamping post and the second clamping post, a screw disposed on the first clamping post, an assembly clamping arm disposed on the second clamping post, and an assembly hole disposed on the assembly clamping arm. The top of the brown frame is provided with a second connecting hole communicating with the assembly hole.

4. A heavy loom harness frame according to claim 3, wherein: The first clamping post has a first insertion rod at the end away from the screw, and the second clamping post has a second insertion rod at the end away from the assembly clamping arm. One end of the spring is sleeved on the outside of the first insertion rod, and the other end of the spring is sleeved on the outside of the second insertion rod.

5. A heavy loom harness frame according to claim 2, wherein: The inner wall of the frame is provided with a guide seat, the guide seat is provided with a guide groove, and the guide bar is slidably accommodated in the guide groove.

6. A heavy loom harness frame according to claim 1, wherein: The frame is provided with a stand, the stand is provided with a slot, and the gate knife is slidably accommodated in the slot.

7. A heavy loom harness frame according to claim 1, wherein: The drive assembly includes a drive roller, a rolling bearing sleeved on the outside of the drive roller, and a transmission wheel disposed on the drive roller, wherein the cam is sleeved on the outside of the drive roller.

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