CN214979517U - Cutting power clutch mechanism for power knife rest - Google Patents
Cutting power clutch mechanism for power knife rest Download PDFInfo
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- CN214979517U CN214979517U CN202120929269.3U CN202120929269U CN214979517U CN 214979517 U CN214979517 U CN 214979517U CN 202120929269 U CN202120929269 U CN 202120929269U CN 214979517 U CN214979517 U CN 214979517U
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- clutch
- synchronous
- transmission shaft
- transmission
- power
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Abstract
The utility model discloses a cutting power clutch mechanism for a power knife rest in the technical field of machining, which comprises a transmission shaft, wherein the transmission shaft is connected with a transmission gear, the transmission shaft is provided with an axial through hole, the transmission shaft is also provided with a hollow chute communicated with the axial through hole, the transmission shaft is connected with a clutch synchronizer matched with the transmission gear, the transmission shaft is also internally provided with a mandril which can drive the clutch synchronizer to slide along the axial direction of the hollow chute, when the mandril moves towards the direction of the transmission gear, the clutch synchronizer is matched with the transmission gear, and the transmission gear drives the clutch synchronizer to rotate; the utility model discloses can realize the separation joint of transmission shaft power, reduce the power consumption.
Description
Technical Field
The utility model belongs to the technical field of machining, in particular to power is cutting power clutch mechanism for knife rest.
Background
In the conventional technology, the device for processing complex shaft parts such as different shapes of threads comprises a support frame fixed on a machine tool, a driving motor is fixedly connected onto the support frame, a rotary table is fixedly connected onto the support frame, a radial power transmission shaft is rotatably connected onto the rotary table, a cutter chuck used for clamping a cutter is connected onto the radial power transmission shaft, the driving motor drives the radial power transmission shaft to rotate, when a threaded rod with different thread shapes is processed on one shaft, the driving motor stops working after the first thread is processed, the cutter chuck is loosened, the cutter is taken down, a new cutter is installed on the cutter chuck, before the second thread shape is processed, the cutter needs to be adjusted firstly and then turned, and when a thread with a new shape is processed, the operation needs to be carried out, the processing efficiency is low, and the operation is troublesome.
In the prior art, in order to solve the above problems, there is a device for processing complex shapes, which comprises an outer shell, a driving gear and a rotating disc are rotatably connected on the outer shell, the driving gear is arranged in the rotating disc, a plurality of driven gears meshed with the driving gear are arranged on the periphery of the driving gear, a transmission shaft is connected on the driven gears, the transmission shaft is rotatably connected on the rotating disc through a support bearing, a cutter chuck for clamping a cutter is connected on the transmission shaft extending out of the rotating disc, when in processing, the rotating disc rotates to enable the corresponding cutter to rotate to a specific position, the rotating disc is fixed, a driving device drives the driving gear to rotate, the driving gear drives each driven gear to rotate, the driven gear drives each transmission shaft to rotate, all cutters rotate at high speed, power engagement when the transmission shaft rotates to the specific position cannot be realized, and processing is finished, when the cutter needs to leave the position, the power is separated again, the energy consumption is large, and when the cutter at the non-processing position rotates at a high speed, personnel damage is easily caused.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model discloses an aim at solves the technical problem that can't realize power separation and reunion among the above-mentioned prior art, provides a power knife rest is with cutting power clutch mechanism, the utility model discloses can realize the separation and reunion of transmission shaft power, reduce the power consumption.
The purpose of the utility model is realized like this: the utility model provides a power tool rest is with cutting power clutch mechanism, includes the transmission shaft, be connected with drive gear on the transmission shaft, it has the axial through hole to open on the transmission shaft, still opens the hollow spout with the axial through hole intercommunication on the transmission shaft, be connected with on the transmission shaft can with drive gear complex clutch synchronizer, still install in the transmission shaft and drive clutch synchronizer along hollow spout endwise slip's ejector pin, when the ejector pin removed towards drive gear place direction, clutch synchronizer and drive gear cooperation, drive gear drives clutch synchronizer rotatory.
In the utility model, the transmission shaft is connected with a cutter chuck for clamping cutters, different cutters are arranged on different transmission shafts, each cutter is respectively used for cutting screw rods with different shapes, the transmission gear is driven by the driving device to rotate, the transmission gear always rotates in the processing process, the transmission shaft is connected with a rotatable turntable, and a plurality of transmission shafts are distributed on the turntable; when the transmission shaft rotates to the processing position, the external linear driver drives the ejector rod to act, so that the ejector rod moves inwards, the ejector rod pushes the clutch synchronizer to move towards the direction of the transmission gear, when the clutch synchronizer is matched with the transmission gear, the transmission gear drives the clutch synchronizer to rotate, and the clutch synchronizer drives the transmission shaft to rotate, so that power connection is realized; when the processing is finished, the external driver resets, the ejector rod resets, the clutch synchronizer resets to leave the transmission gear, the transmission shaft stops rotating, and the transmission gear idles on the transmission shaft to realize power separation; the utility model has compact structure, realizes the power separation and connection of the transmission gear and the transmission shaft, and reduces the energy consumption of the power knife rest; the device can be applied to the work of power separation and joint, in particular to the work of power separation and joint when shaft parts with complex shapes such as a screw rod and the like are processed.
In order to further realize the joint of the axial power transmission shaft, the clutch synchronizer comprises an axial push rod which penetrates through the hollow chute and is sleeved on the push rod, the axial push rod can axially slide along the hollow chute, and the push rod can push the axial push rod to move inwards; in the design, when the ejector rod moves inwards under the action of thrust, the ejector rod pushes the axial push rod to move inwards, the axial push rod drives the clutch synchronizer to move, the clutch synchronizer is matched with the transmission gear, the transmission gear drives the clutch synchronizer to rotate, and the clutch synchronizer drives the transmission shaft to rotate, so that power connection is realized.
In order to further realize the automatic reset of the clutch synchronizer, a top rod at the inward end of the axial push rod is sleeved with a reset spring, and the inward end of the reset spring is abutted against the transmission shaft; in the design, when the ejector rod is not driven to move inwards by force, the ejector rod and the axial push rod reset under the action of the reset spring, and the axial push rod drives the synchronous clutch disc to reset, so that power separation is realized.
In order to further improve the reliability of the power connection of the transmission gear and the synchronous clutch disc, the clutch synchronizer comprises a synchronous clutch disc sleeved on the transmission shaft, a plurality of clutch transmission rods are arranged at one end, facing the synchronous clutch disc, of the driven conical gear, a sliding groove capable of accommodating the clutch transmission rods is formed in the synchronous clutch disc, a plurality of elastic sheets are arranged at one end, away from the transmission gear, of the synchronous clutch disc, telescopic pins corresponding to the clutch transmission rods one to one are fixedly connected onto the elastic sheets, the telescopic pins can slide back and forth along the synchronous clutch disc, the front ends of the telescopic pins are located in the sliding groove, the clutch transmission rods can abut against the telescopic pins, and when the telescopic pins are subjected to the abutting force of the clutch transmission rods, the telescopic pins retract back along with the elastic sheets; in the design, when the synchronous clutch disc moves towards the direction of the transmission gear, when the clutch transmission rod extends into the sliding groove and is just abutted against the telescopic pin, the telescopic pin is pressed back under the action of the elastic sheet by the abutting force of the clutch transmission rod, so that the clutch transmission rod smoothly enters the sliding groove of the synchronous clutch disc, and the telescopic pin resets under the action of the elastic sheet, so that the clutch transmission rod is stably attached to the telescopic pin to drive the synchronous clutch disc to rotate.
In order to further improve the joint stability of the synchronous clutch disc and the transmission gear, a plurality of connecting grooves are arranged at one end of the synchronous clutch disc, which is far away from the transmission gear, a plurality of screw rods which are in one-to-one correspondence with the connecting grooves are arranged on the synchronous clutch disc, one ends of the screw rods are connected to the synchronous clutch disc in a sliding mode through the connecting grooves, the other ends of the screw rods extend out of the synchronous clutch disc and extend towards the direction of the transmission gear, a synchronous ring is connected to the other ends of the screw rods, the synchronous ring can be in contact with the inner conical surface of the transmission gear, a push-pull spring is sleeved on each screw rod, one end of the push-pull spring abuts against the synchronous clutch disc, and the other end of the push-pull spring abuts against the synchronous ring; in the design, when the synchronous clutch disc moves towards the direction of the transmission gear, the synchronous clutch disc pushes the push-pull spring, the synchronous ring is in contact with the inner conical surface of the transmission gear in advance under the thrust action of the push-pull spring to generate friction force, and the synchronous ring drives the synchronous clutch disc to pre-rotate, so that the stability of synchronous rotation is improved; when the synchronous ring is separated from the inner conical surface of the transmission gear, the screw drives the synchronous ring to separate from the inner conical surface of the transmission gear.
Drawings
Fig. 1 is a three-dimensional structure diagram of the present invention.
Fig. 2 is a three-dimensional structure diagram of the middle synchronous clutch of the present invention.
Fig. 3 is a view seen from the direction a in fig. 2.
Fig. 4 is a partial structure diagram of a transmission shaft connected in a turntable according to the present invention.
Fig. 5 is a partially enlarged view of B in fig. 4.
Fig. 6 is a perspective view of the middle transmission shaft of the present invention.
The clutch transmission mechanism comprises a push rod 1, a clutch synchronizer 2, a synchronous clutch disc 201, a synchronous ring 202, a screw rod 203, a telescopic pin 204, a clutch push rod retainer ring 205, an axial push rod 206, a spring plate 207, a push-pull spring 208, a connecting groove 209, a sliding groove 210, a clutch transmission rod 3, a transmission gear 4, a first axial support bearing 5, a transmission shaft 6, a second axial support bearing 7, a return spring 8, a rotary disc 9, a fixed disc 10, a third axial support bearing 11, a hollow sliding groove 12 and an axial through hole 13.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 6, the cutting power clutch mechanism for a power tool rest comprises a transmission shaft 6, wherein the transmission shaft 6 is connected with a transmission gear 4, the transmission gear 4 is rotatably connected to the transmission shaft 6 through an axial support bearing one 5, the transmission shaft 6 is provided with an axial through hole 13, the transmission shaft 6 is further provided with a hollow chute 12 communicated with the axial through hole 13, the transmission shaft 6 is connected with a clutch synchronizer 2 capable of being matched with the transmission gear 4, the transmission shaft 6 is further internally provided with a mandril 1 capable of driving the clutch synchronizer 2 to axially slide along the hollow chute 12, when the mandril 1 moves towards the direction of the transmission gear 4, the clutch synchronizer 2 is matched with the transmission gear 4, and the transmission gear 4 drives the clutch synchronizer 2 to rotate; the specific structure of the clutch synchronizer 2 is that, the clutch synchronizer 2 includes an axial push rod 206 which runs through the axial through hole 13 and is sleeved on the push rod 1, the axial push rod 206 is connected with the synchronous clutch disc 201, the axial push rod 206 can axially slide along the hollow chute 12, the push rod 1 can push the axial push rod 206 to move inwards, the push rod 1 at one inward end of the axial push rod 206 is sleeved with the reset spring 8, and one inward end of the reset spring 8 is abutted against the transmission shaft 6.
In order to further improve the reliability of the power connection between the transmission gear 4 and the synchronous clutch disc 201, the clutch synchronizer 2 includes a synchronous clutch disc 201 sleeved on the transmission shaft 6, a plurality of clutch transmission rods 3 are arranged at one end of the driven conical gear facing the synchronous clutch disc 201, a sliding groove 210 capable of accommodating the clutch transmission rods 3 is formed in the synchronous clutch disc 201, a plurality of elastic pieces 207 are arranged at one end of the synchronous clutch disc 201 far away from the transmission gear 4, telescopic pins 204 corresponding to the clutch transmission rods 3 one by one are fixedly connected to the elastic pieces 207, the telescopic pins 204 can slide back and forth along the synchronous clutch disc 201, the front ends of the telescopic pins 204 are arranged in the sliding groove 210, the clutch transmission rods 3 can be abutted against the telescopic pins 204, and when the telescopic pins 204 are subjected to the abutting force of the clutch transmission rods 3, the telescopic pins 204 are retracted backwards along with the elastic pieces 207.
In order to further improve the stability of the engagement between the synchronous clutch disc 201 and the transmission gear 4, a plurality of connecting grooves 209 are arranged at one end of the synchronous clutch disc 201 far away from the transmission gear 4, a plurality of screw rods 203 which are in one-to-one correspondence with the connecting grooves 209 are arranged on the synchronous clutch disc 201, one end of each screw rod 203 is slidably connected to the synchronous clutch disc 201 through the connecting groove 209, the other end of each screw rod 203 extends out of the synchronous clutch disc 201 and extends towards the direction of the transmission gear 4, a synchronous ring 202 is connected to the other end of each screw rod 203, the synchronous ring 202 can be in contact with the inner conical surface of the transmission gear 4, a push-pull spring 208 is sleeved on each screw rod 203, a clutch push-rod retainer ring 205 is fixedly connected to one end of the synchronous clutch disc 201 opposite to the transmission gear 4, one end of each push-pull spring 208 abuts against the clutch push rod retainer ring 205, and the other end of each push-pull spring 208 abuts against the synchronous ring 202.
In the utility model, the transmission shaft 6 is connected with a cutter chuck for clamping cutters, different cutters are installed on different transmission shafts 6, each cutter is used for cutting screw rods 203 of different shapes respectively, the transmission gear 4 is driven by the driving device to rotate, in the processing process, the transmission gear 4 rotates all the time, the transmission shaft 6 is connected on the rotatable turntable 9, a plurality of transmission shafts 6 are distributed on the turntable 9, the front end of the transmission shaft 6 is rotatably connected in the turntable 9 through an axial supporting bearing II 7, the rear side of the turntable 9 is fixed with a fixed disk 10, a clearance for the backward shrinkage deformation of the elastic sheet 207 is arranged between the rear end of the telescopic pin 204 and the front side of the fixed disk 10, and the rear end of the transmission shaft 6 is rotatably connected in the fixed disk 10 through an axial supporting bearing III 11; when the transmission shaft 6 rotates to a processing position, the external linear driver drives the ejector rod 1 to act, so that the ejector rod 1 moves inwards, the ejector rod 1 pushes the axial push rod 206 to axially slide along the hollow chute 12, the axial push rod 206 drives the synchronous clutch disc 201 to move towards the direction of the transmission gear 4, the synchronous clutch disc 201 pushes the push-pull spring 208, the synchronous ring 202 is in contact with the inner conical surface of the transmission gear 4 in advance under the thrust action of the push-pull spring 208 to generate friction force, the synchronous ring 202 drives the synchronous clutch disc 201 to pre-rotate until the clutch transmission rod 3 enters the sliding groove 210 of the synchronous clutch disc 201, the clutch transmission rod 3 immediately slides along the sliding groove 210 and is attached to the telescopic pin 204 in the sliding groove 210 after entering the sliding groove 210, when the clutch transmission rod 3 just abuts against the telescopic pin 204 when entering the sliding groove 210, the telescopic pin 204 can extend backwards under the action of the tail end elastic sheet 207, the clutch transmission rod 3 can stably enter the sliding groove 210 and is attached to the telescopic pin 204, at the moment, the rotating speed of the transmission gear 4 is synchronous and consistent with that of the synchronous clutch disc 201, and the synchronous clutch disc 201 drives the transmission shaft 6 to rotate through the internal axial push rod 206; when the processing is finished, the external linear driver resets, the ejector rod 1 and the axial push rod 206 reset under the action of the reset spring 8, the synchronous clutch disc 201 leaves the transmission gear 4, the synchronous ring 202 leaves the inner conical surface of the transmission gear 4, the clutch transmission rod 3 leaves the sliding groove 210, the transmission shaft 6 stops rotating, and the transmission gear 4 idles on the transmission shaft 6 to realize power separation; the utility model has compact and smart structure, realizes the power separation and connection of the transmission gear 4 and the transmission shaft 6, and reduces the energy consumption of the power knife rest; the device can be applied to the work of power separation and joint, in particular to the work of power separation and joint when shaft parts with complex shapes such as the screw rod 203 and the like are processed.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (5)
1. The utility model provides a power tool rest is with cutting power clutching mechanism, includes the transmission shaft, its characterized in that, be connected with drive gear on the transmission shaft, it has the axial through hole to open on the transmission shaft, still opens the hollow spout with the axial through hole intercommunication on the transmission shaft, be connected with on the transmission shaft can with drive gear complex separation and reunion synchronous ware, still install in the transmission shaft and drive the separation and reunion synchronous ware along hollow spout endwise slip's ejector pin, when the ejector pin removed towards drive gear place direction, separation and reunion synchronous ware and drive gear cooperation, drive gear drive separation and reunion synchronous ware rotation.
2. The cutting power clutch mechanism for the power tool rest according to claim 1, wherein the clutch synchronizer comprises an axial push rod penetrating through the hollow chute and sleeved on the push rod, the axial push rod can axially slide along the hollow chute, and the push rod can push the axial push rod to move inwards.
3. The cutting power clutch mechanism for the power tool rest as claimed in claim 2, wherein the ejector rod at the inward end of the transverse push rod is sleeved with a return spring, and the inward end of the return spring abuts against the axial power transmission shaft.
4. The cutting power clutch mechanism for the power knife rest according to any one of claims 1 to 3, wherein the clutch synchronizer further comprises a synchronous clutch disc slidably connected to the transmission shaft, a plurality of clutch transmission rods are arranged at one end, facing the synchronous clutch disc, of the driven conical gear, a sliding groove capable of accommodating the clutch transmission rods is formed in the synchronous clutch disc, a plurality of elastic pieces are arranged at one end, away from the transmission gear, of the synchronous clutch disc, telescopic pins in one-to-one correspondence with the clutch transmission rods are fixedly connected to the elastic pieces, the telescopic pins can slide back and forth along the synchronous clutch disc, the front ends of the telescopic pins are located in the sliding groove, the clutch transmission rods can abut against the telescopic pins, and when the telescopic pins are subjected to the contact force of the clutch transmission rods, the telescopic pins retract back along with the elastic pieces.
5. The synchronous clutch disc type axial cutter bar power cutter holder as claimed in claim 4, wherein a plurality of connecting grooves are arranged at one end of the synchronous clutch disc far away from the transmission gear, a plurality of screw rods corresponding to the connecting grooves one by one are arranged on the synchronous clutch disc, one end of each screw rod is slidably connected to the synchronous clutch disc through the connecting grooves, the other end of each screw rod extends out of the synchronous clutch disc and extends towards the direction of the transmission gear, a synchronizing ring is connected to the other end of each screw rod, the synchronizing ring can be in contact with the inner conical surface of the transmission gear, a push-pull spring is sleeved on each screw rod, one end of each push-pull spring abuts against the synchronous clutch disc, and the other end of each push-pull spring abuts against the synchronizing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120929269.3U CN214979517U (en) | 2021-04-30 | 2021-04-30 | Cutting power clutch mechanism for power knife rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120929269.3U CN214979517U (en) | 2021-04-30 | 2021-04-30 | Cutting power clutch mechanism for power knife rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214979517U true CN214979517U (en) | 2021-12-03 |
Family
ID=79089720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120929269.3U Active CN214979517U (en) | 2021-04-30 | 2021-04-30 | Cutting power clutch mechanism for power knife rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214979517U (en) |
-
2021
- 2021-04-30 CN CN202120929269.3U patent/CN214979517U/en active Active
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