CN209856319U - Novel belt tensioning structure - Google Patents
Novel belt tensioning structure Download PDFInfo
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- CN209856319U CN209856319U CN201920526982.6U CN201920526982U CN209856319U CN 209856319 U CN209856319 U CN 209856319U CN 201920526982 U CN201920526982 U CN 201920526982U CN 209856319 U CN209856319 U CN 209856319U
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- tensioning
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Abstract
The utility model discloses a novel belt tensioning structure, a motor connecting plate is connected with a motor, the motor is connected with a belt pulley, a gear hole is arranged on the motor connecting plate, and the inner wall of the gear hole is arranged into a rack structure; a tensioning handle of the tensioning mechanism penetrates through a central hole of the locking cam and is fixed by thread glue; the locking cam penetrates through the positioning shaft and is locked, and the positioning shaft sequentially penetrates through a central hole of the rotary gear and a gear hole of the motor connecting plate; the up-and-down movement of the motor is realized by the mutual meshing of the rotating gear and the rack of the gear hole, so that the belt pulley is driven to move, the position of the belt on the belt pulley is adjusted, and the purpose of speed regulation is achieved. The application applies the meshing of the rotary gear and the rack to the belt tensioning structure for the first time; the belt pulley is driven to move by the engagement between the rotating gear and the rack on the motor connecting plate, so that the position of the belt pulley is adjusted, and the purpose of speed regulation is achieved. The belt tensioning structure is convenient and quick to install, easy to operate and firm in locking.
Description
Technical Field
The utility model belongs to the technical field of wood lathe equipment, concretely relates to novel belt rises and tightly constructs.
Background
The wood lathe is a common product in wood working machinery, the belt transmission structure is an important component in the wood lathe product, the belt transmission structure has the function of converting the operation of a motor into the rotation of a main shaft through belt transmission, and wood is turned from rough materials to finished products at different main shaft speeds, so that the belt is frequently replaced by a cone pulley and tensioned to realize the purpose. The existing belt replacing cone pulley and tensioning mechanism is mostly realized by matching a handle and a handle. The existing structure is complex to operate, tensioning is laborious, misoperation and locking are not tight, and the belt tensioning mechanism directly influences the experience of wood rotation enthusiasts and influences the quality of turning objects.
SUMMERY OF THE UTILITY MODEL
To the belt that exists among the prior art tight structure complex operation that rises, it is hard to rise moreover to there is the not tight problem of maloperation lock, the utility model aims to provide a novel belt tight structure that rises, belt tight structure that rises passes through gear drive, realizes reciprocating of motor to drive the belt pulley and remove, realize the belt in the adjustment of belt pulley position, reach the purpose of speed governing.
The utility model discloses the technical scheme who takes does:
a novel belt tensioning structure comprises a motor connecting plate and a tensioning mechanism, wherein the motor connecting plate is connected with a motor, the motor is connected with a belt pulley, a gear hole is formed in the motor connecting plate, and the inner wall of the gear hole is of a rack structure; the tensioning mechanism comprises a tensioning handle, a locking cam, a rotating gear and a positioning shaft, wherein the tensioning handle penetrates through a central hole of the locking cam and is fixed by thread glue; the locking cam penetrates through the positioning shaft and is locked, and the positioning shaft sequentially penetrates through a central hole of the rotary gear and a gear hole of the motor connecting plate; the belt pulley is driven to move by the mutual meshing of the rotary gear and the rack of the gear hole, so that the position of the belt pulley is adjusted.
Furthermore, the locking cam comprises a flat end plate and lug plates vertically extending on two sides of the flat end plate, a central hole is formed in the flat end plate of the locking cam, shaft holes are formed in the lug plates on the two sides of the locking cam, positioning holes are formed in the upper end of the positioning shaft and the shaft holes of the locking cam in a corresponding mode, and the positioning shaft is locked by the cylindrical pin penetrating through the shaft holes of the locking cam and the positioning holes of the positioning shaft.
Furthermore, a handle sleeve is sleeved on the outer side of the tensioning handle, and the end part of the handle sleeve penetrates through a central hole of the tensioning handle through a threaded cap to be locked.
Further, the end part of the positioning shaft is locked through a locking nut.
Furthermore, the gear hole is a hollow rectangular through hole, and a side wall of the gear hole corresponding to the rotating gear is provided with a rack structure.
Further, the arrangement direction of the racks is consistent with the displacement direction of the belt pulley.
Further, the rotary gear is provided as a full rotary gear or a half rotary gear.
The utility model has the advantages that:
in the utility model, the force applied to the tension handle is transmitted to the positioning shaft through the locking cam by utilizing the cooperative fit of the tension handle and the locking cam, so as to drive the rotating gear to rotate; the application applies the meshing of the rotary gear and the rack to the belt tensioning structure for the first time; the belt pulley is driven to move by the engagement between the rotating gear and the rack on the motor connecting plate, so that the position of the belt pulley is adjusted, and the purpose of speed regulation is achieved. The belt tensioning structure is convenient and quick to install, easy to operate and firm in locking.
Drawings
FIG. 1 is a schematic view of the installation of the present invention;
FIG. 2 is an effect diagram of the utility model after installation;
fig. 3 is the effect diagram of the belt tensioning after the final assembly of the utility model.
Fig. 4 is the effect diagram of the belt moving after final assembly of the utility model.
In the figure, 1, a screw cap; 2. a handle sleeve; 3. a tensioning handle; 4. locking the cam; 5. positioning the shaft; 6. a rotating gear; 7. a motor connecting plate; 8. locking the nut; 9. a cylindrical pin; 10. a gear hole; 11. a rack; 12. an electric motor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, a novel belt tensioning structure comprises a motor connecting plate 7 and a tensioning mechanism, wherein the motor connecting plate 7 is connected with a motor 12, the motor 12 is connected with a belt pulley, a gear hole 10 is formed in the motor connecting plate 7, the gear hole 10 is a hollow rectangular through hole, and a rack 11 structure is formed in one side wall of the gear hole corresponding to a rotating gear 6; the arrangement direction of the racks 11 is consistent with the displacement direction of the belt pulley; the tensioning mechanism comprises a threaded cap 1, a handle sleeve 2, a tensioning handle 3, a locking cam 4, a positioning shaft 5, a rotating gear 6, a locking nut 8 and a cylindrical pin 9, wherein the locking cam 4 comprises a flat end panel and lug plates vertically extending on two sides of the flat end panel, a central hole is formed in the flat end panel of the locking cam 4, shaft holes are formed in the lug plates on two sides of the locking cam 4, positioning holes are formed in the upper end of the positioning shaft 5 and the shaft holes of the locking cam 4 in a corresponding mode, and the cylindrical pin penetrates through the shaft holes of the locking cam 4 and the positioning holes of the positioning shaft 5 to lock the positioning shaft 5.
During specific installation, the rotating gear 6 is set as a semi-rotating gear 6, the handle sleeve 2 penetrates through the tensioning handle 3 and is locked by penetrating the threaded cap 1 through the central hole of the tensioning handle 3, and the tensioning handle 3 penetrates through the shaft hole on the flat end panel of the locking cam 4 and is fixed by using thread glue; the locking cam 4 penetrates through the positioning shaft 5 and is locked by a cylindrical pin 9 penetrating through central holes in lug plates on two sides of the locking cam 4; the positioning shaft 5 sequentially passes through a central hole of the rotary gear 6 and a gear hole 10 of the motor connecting plate 7 and is locked by a locking nut 8; the belt pulley is driven to move by the mutual meshing of the rotary gear 6 and the rack 11 of the gear hole 10, so that the position of the belt pulley is adjusted.
As shown in fig. 3 and 4, the novel belt tensioning structure in the present application is applied to a wood lathe, which comprises a lathe body, a main spindle box (headstock) tool rest, a belt transmission mechanism, a tailstock and an electrical system. The principle is that the main shaft box and the tail seat support the timber, the electric system control motor 12 drives the main shaft box main shaft to rotate through the belt transmission mechanism, so that the timber is rotated, and then the cutter is used for cutting timber workpieces, so that revolving bodies in different shapes are machined.
The specific adjusting process of belt tensioning is as follows:
when the belt needs to be adjusted, the tensioning handle 3 is stressed, the circular arc surface of the locking cam 4 moves along the end surface of the rotating gear 6, when the flat end surface of the locking cam 4 is coincident with the end surface of the rotating gear 6, the force borne by the tensioning handle 3 is transmitted to the positioning shaft 5 through the locking cam 4, the positioning shaft 5 drives the rotating gear 6 to rotate, the teeth on the rotating gear 6 are meshed with the racks 11 on the motor connecting plate 7 through the teeth, the up-and-down movement of the motor is achieved, the belt pulley is driven to move, the adjustment of the position of the belt pulley is achieved, and the purpose of speed regulation is achieved.
The above description is not a limitation of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various changes, modifications, additions and substitutions can be made without departing from the scope of the invention as defined in the accompanying claims.
Claims (7)
1. A novel belt tensioning structure is characterized by comprising a motor connecting plate and a tensioning mechanism, wherein the motor connecting plate is connected with a motor, the motor is connected with a belt pulley, a gear hole is formed in the motor connecting plate, and the inner wall of the gear hole is of a rack structure; the tensioning mechanism comprises a tensioning handle, a locking cam, a rotating gear and a positioning shaft, wherein the tensioning handle penetrates through a central hole of the locking cam and is fixed by thread glue; the locking cam penetrates through the positioning shaft and is locked, and the positioning shaft sequentially penetrates through a central hole of the rotary gear and a gear hole of the motor connecting plate; the belt pulley is driven to move by the mutual meshing of the rotary gear and the rack of the gear hole, so that the position of the belt pulley is adjusted.
2. The novel belt tensioning structure as claimed in claim 1, wherein the locking cam comprises a flat end plate and lug plates vertically extending at two sides of the flat end plate, a central hole is formed in the flat end plate of the locking cam, shaft holes are formed in the lug plates at two sides of the locking cam, positioning holes are correspondingly formed in the upper end of the positioning shaft and the shaft holes of the locking cam, and the positioning shaft is locked by a cylindrical pin passing through the shaft holes of the locking cam and the positioning holes of the positioning shaft.
3. The novel belt tensioning structure as claimed in claim 1, wherein a handle sleeve is sleeved outside the tensioning handle, and the end of the handle sleeve passes through a central hole of the tensioning handle through a threaded cap to be locked.
4. The novel belt tensioning structure as claimed in claim 1, wherein the end of the positioning shaft is locked by a locking nut.
5. The novel belt tensioning structure as claimed in claim 1, wherein the gear hole is a hollow rectangular through hole, and a side wall of the gear hole corresponding to the rotary gear is provided with a rack structure.
6. The novel belt tensioning structure as claimed in claim 1, wherein the arrangement direction of the rack is consistent with the displacement direction of the belt pulley.
7. The novel belt tensioning structure as claimed in claim 1, wherein the rotary gear is a full rotary gear or a half rotary gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920526982.6U CN209856319U (en) | 2019-04-17 | 2019-04-17 | Novel belt tensioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920526982.6U CN209856319U (en) | 2019-04-17 | 2019-04-17 | Novel belt tensioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209856319U true CN209856319U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920526982.6U Active CN209856319U (en) | 2019-04-17 | 2019-04-17 | Novel belt tensioning structure |
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| Country | Link |
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| CN (1) | CN209856319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114083274A (en) * | 2021-10-23 | 2022-02-25 | 兰西哈三联制药有限公司 | Automatic combined air conditioning unit |
-
2019
- 2019-04-17 CN CN201920526982.6U patent/CN209856319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114083274A (en) * | 2021-10-23 | 2022-02-25 | 兰西哈三联制药有限公司 | Automatic combined air conditioning unit |
| CN114083274B (en) * | 2021-10-23 | 2023-08-08 | 兰西哈三联制药有限公司 | Automatic combined air conditioning unit |
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