CN-224214668-U - Tandem type speed reduction transmission device and mattress spring machine

Abstract

The utility model discloses a serial-type speed reduction transmission device and a mattress spring machine, which relate to the technical field of speed reducers and comprise at least two machine bodies arranged side by side, wherein any one of the machine bodies at the outermost side is provided with an input flange connected with power input equipment, each machine body comprises a main box body and a transmission worm, the transmission worm is rotatably arranged in the main box body, two ends of the worm are provided with connecting holes, inner splines are arranged on the inner walls of the connecting holes in a ring mode, outer splines matched with the inner splines are circumferentially arranged on the outer walls of the two ends of the connecting shaft, the transmission worm in each machine body is coaxially connected in series through the connecting shaft, a worm wheel assembly is in friction transmission with the transmission worm, the worm wheel assembly is used for outputting power, the transmission worm in each machine body is connected with the connecting shaft through the splines, the transmission strength between each machine body is improved, and the distance between each machine body can be adjusted by adjusting the positions of the outer splines on the connecting shaft in the connecting holes, so that various use requirements are met.

Inventors

• CHEN JIANTIAN
• LIANG JIANYONG

Assignees

• 佛山市南海珠江减速机有限公司

Dates

Publication Date

20260508

Application Date

20250508

Claims (10)

1. 1. The serial reduction transmission device is characterized by comprising at least two machine bodies which are arranged side by side, wherein any one of the machine bodies at the outermost side is provided with an input flange connected with power input equipment, and each machine body comprises: a main case; The transmission worm is rotatably arranged in the main box body, connecting holes are formed in two ends of the worm, inner splines are arranged on the inner walls of the connecting holes in a surrounding mode, and outer splines matched with the inner splines are arranged on the outer walls of two ends of the connecting shaft in the circumferential direction; The worm wheel assembly is in friction transmission with the transmission worm and is used for outputting power.
2. 2. The tandem reduction transmission according to claim 1, wherein the connecting shaft has a stepped shaft structure, and spline tooth shapes at both ends of the connecting shaft are involute tooth shapes.
3. 3. The tandem reduction transmission according to claim 1, wherein the transmission worm has a hollow structure, and the connection holes at both ends of the transmission worm are communicated through a central hole.
4. 4. The tandem reduction transmission device according to claim 1, wherein the main housing includes a first cavity and a second cavity, the first cavity and the second cavity are perpendicular in an axial direction, the transmission worm is disposed in the first cavity, and the worm wheel assembly is disposed in the second cavity.
5. 5. The tandem reduction transmission of claim 4, wherein the housing further includes bearings, and both ends of the drive worm are rotatably supported in the first chamber by bearings, respectively.
6. 6. The tandem reduction transmission according to claim 4, wherein an annular clamping groove is formed in an inner wall of the first cavity, the machine body further comprises a hole clamp, an outer side of the hole clamp is abutted to the clamping groove, an inner side of the hole clamp is connected with any one of bearings on the transmission worm, and the hole clamp is used for axially positioning the transmission worm.
7. 7. The tandem reduction transmission of claim 4, wherein the housing further comprises an oil seal disposed in the first cavity, and wherein the two ends of the worm gear are respectively sleeved with an oil seal.
8. 8. The tandem reduction transmission of claim 4, wherein the power take off end of the second cavity is provided with a screw hole.
9. 9. The tandem reduction transmission device according to claim 8, wherein at least two anchor feet are provided at the bottom of the second cavity, anchor foot holes are provided on the anchor feet, and the axial direction of the anchor foot holes is perpendicular to the axial direction of the screw holes.
10. 10. A mattress spring machine, characterized in that the mattress spring machine is provided with a series-connected speed reduction transmission device according to any one of claims 1-9.

Description

Tandem type speed reduction transmission device and mattress spring machine Technical Field The utility model relates to the technical field of speed reducers, in particular to a serial speed reduction transmission device and a mattress spring machine. Background The mattress spring machine has higher requirements on transmission precision in the links of feeding, bending, cutting and the like, and particularly, the size consistency of each spring needs to be ensured in mass production. If gaps or transmission errors exist in the speed reducer, the spring length or shape deviation can be caused, the existing mattress spring machine is usually realized by adopting a serial speed reducer to realize multistage transmission, but the existing serial speed reducer is connected through shaft hole matching, so that the transmission strength is low, the transmission loss is large, the spacing cannot be adjusted, the adaptability is poor, the usability of the product is single, and the use requirements of various products cannot be met. Disclosure of utility model The utility model aims to overcome the defects of the prior art, and provides a serial-type speed reduction transmission device and a mattress spring machine, which improve transmission strength among all machine bodies, can adjust the distance among all machine bodies and meet various use requirements. In order to solve the technical problems, the utility model provides a serial reduction transmission device which comprises at least two machine bodies arranged side by side, wherein any one of the machine bodies at the outermost side is provided with an input flange connected with power input equipment, each machine body comprises a main box body, a transmission worm which is rotatably arranged in the main box body, two ends of each worm are provided with connecting holes, inner splines are arranged on the inner walls of the connecting holes in a surrounding mode, outer splines matched with the inner splines are circumferentially arranged on the outer walls of the two ends of each connecting shaft, the transmission worms in the machine bodies are coaxially connected in series through the connecting shafts, a worm gear assembly is in friction transmission with the transmission worm, and the worm gear assembly is used for outputting power. As an improvement of the scheme, the connecting shaft is of a stepped shaft structure, and spline tooth shapes at two ends of the connecting shaft are involute tooth shapes. As an improvement of the scheme, the transmission worm is of a hollow structure, and the connecting holes at the two ends of the transmission worm are communicated through the central hole. As an improvement of the scheme, the main box body comprises a first cavity and a second cavity, the axial directions of the first cavity and the second cavity are vertical, the transmission worm is arranged in the first cavity, and the worm wheel assembly is arranged in the second cavity. As an improvement of the above scheme, the machine body further comprises a bearing, and two ends of the driving worm are rotatably supported in the first cavity through the bearing respectively. As the improvement of above-mentioned scheme, be equipped with annular draw-in groove on the inner wall of first cavity, the organism still includes the hole card, the outside of hole card with draw-in groove butt, the inboard of hole card with arbitrary bearing on the drive worm is connected, the hole card is used for right the drive worm carries out axial positioning. As the improvement of above-mentioned scheme, the organism still includes the oil blanket, the oil blanket sets up in first cavity, the both ends of drive worm overlap respectively and are equipped with the oil blanket. As an improvement of the scheme, the power output end of the second cavity is provided with a screw hole. As the improvement of above-mentioned scheme, second cavity bottom is equipped with two at least lower margin, be equipped with the lower margin hole on the lower margin, the axis direction in lower margin hole with the axis direction mutually perpendicular in screw hole. The utility model provides a mattress spring machine in a second aspect, wherein the mattress spring machine is provided with the serial speed reduction transmission device. The implementation of the utility model has the beneficial effects that: The serial speed reduction transmission device has the advantages that the transmission worms in the machine bodies are connected with the connecting shafts through the splines to realize serial connection, through the distribution design of the tooth grooves of the internal splines and the external splines, the contact area is remarkably increased, the load distribution is more uniform, the transmission of larger torque can be realized, the transmission strength between the machine bodies is improved, the transmission loss is reduced, the adjustment of the connection distance between the machi