CN212318685U

CN212318685U - Compound bevel gear reduction box of cold roll forming unit

Info

Publication number: CN212318685U
Application number: CN201922410546.5U
Authority: CN
Inventors: 孙发明; 张顺生
Original assignee: Nanjing Tuxin New Material Technology Co ltd
Current assignee: Nanjing Tuxin New Material Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2021-01-08
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a compound bevel gear reducing gear box of forming unit, belong to gear reduction box technical field, it slides to the change gear who makes its and the change gear assembly of below in suitable position at the inboard of first spacing slide rail to correspond through pulling adjustment handle drive its first spacing slider, make the change gear meshing in its transmission gear and the change gear assembly through the spacing slider of downmodulation second, it is fixed with second spacing slider through second clamping screw, it drives the power input pivot rotation to start driving motor, thereby drive transmission gear and rotate, change gear in driving the change gear assembly through transmission gear rotates, thereby export different rotational speeds, make its variable speed adjust simple low cost.

Description

Compound bevel gear reduction box of cold roll forming unit

Technical Field

The utility model relates to a gear reduction box especially relates to a compound bevel gear reducing gear box of forming unit, belongs to gear reduction box technical field.

Background

Cold roll forming is a plastic working process for continuously and transversely bending metal plate strips such as coiled materials, strip materials and the like through a plurality of forming rollers which are arranged in sequence to manufacture a section with a specific section.

The cold roll forming is a new process and a new technology for forming metal plates with material saving, energy saving and high efficiency. By utilizing the process, not only can high-quality section steel products be produced, but also the product development period can be shortened, and the production efficiency can be improved, thereby improving the market competitiveness of enterprises.

Over the past half century, cold roll forming has evolved as the most effective sheet metal forming technique. 35 to 45 percent of strip steel rolled in North America is processed into products by cold roll forming, and is more than steel for automobile industry.

In recent years, cold-formed steel products have been widely used as important structural members in many fields such as buildings, automobile manufacturing, ship manufacturing, electronic industry, and machine manufacturing. The products range from common structural members such as guide rails, doors and windows and the like to special profiles manufactured for special purposes, and the types of the profiles are extremely wide. The section performance of the cold-formed steel per unit weight is superior to that of a hot-rolled steel product, and the cold-formed steel has high surface finish and dimensional precision, so that the cold-formed steel replaces the hot-rolled steel to achieve the double effects of saving steel and energy, and people pay high attention to the development of the cold-formed steel. The continuous desire of users on the aspects of variety, specification, quality and the like of cold-bending section steel products promotes the rapid development of cold-bending forming process technology.

In the prior art, when the gear reduction box decelerates in the cold roll forming process, the gear reduction box is usually adjusted through a control module, the adjusting cost is high, the mechanical adjusting structure is too complex, and therefore the problem is optimized by designing the composite bevel gear reduction box of the cold roll forming unit.

SUMMERY OF THE UTILITY MODEL

The main objective of the utility model is to provide a compound bevel gear reducing gear box of forming unit, it slides to the change gear who makes its and the change gear subassembly of below to suitable position in the inboard of first spacing slide rail to drive its first spacing slider through pulling adjustment handle and corresponds, make the change gear meshing in its transmission gear and the change gear subassembly through the spacing slider of downmodulation second, it is fixed with second spacing slider through second set screw, it drives the power input pivot rotation to start driving motor, thereby drive transmission gear and rotate, change gear in driving the change gear subassembly through transmission gear rotates, thereby export different rotational speeds, make its variable speed adjust simple low cost.

The purpose of the utility model can be achieved by adopting the following technical scheme:

a composite bevel gear reduction box of a cold roll forming unit comprises a reduction box and a power output rotating shaft arranged below one side of the reduction box, wherein one end of the power output rotating shaft penetrates through one side of the reduction box and is positioned outside the reduction box, the other end of the power output rotating shaft is arranged on the inner wall of the reduction box far away from the penetrating part, a speed change gear assembly is arranged on the power output rotating shaft in the reduction box at equal intervals along the axial direction of the power output rotating shaft, a second limiting slide rail is arranged on the inner wall of one side of the reduction box, a second limiting slide block is arranged on the inner side of the second limiting slide rail, a driving motor is arranged in the middle of one end of the second limiting slide block positioned outside the reduction box, the driving motor penetrates through the second limiting slide block through a bearing and is provided with a power input, the transmission gear capable of sliding on the power input rotating shaft is installed on the outer side of the power input rotating shaft, the transmission gear is far away from one side of the driving motor, a sliding sleeve is installed on the side, away from the driving motor, of the sliding sleeve, a connecting arm is installed through a bearing, the top of the connecting arm is located on the inner side wall of the reduction gearbox, a first limiting slide block is installed on the outer side of the first limiting slide block, a first limiting slide rail is fixed on the inner side wall of the reduction gearbox, and the connecting arm penetrates through the first limiting slide block and is located outside the reduction gearbox.

Preferably, an adjusting handle is installed at one end of the connecting arm located outside the reduction gearbox, a protective sleeve is sleeved on the outer side of the adjusting handle, and wear-resistant rubber convex particles are arranged on the outer side of the protective sleeve.

Preferably, the cross section of the second limiting slide block is of an I-shaped structure, second fixing holes are formed in four corners of the outer side of the reduction gearbox, a first groove is formed in the outer side of the reduction gearbox along the movement axis of the second limiting slide block and matched with the second fixing holes, and a second fixing screw meshed with the first groove penetrates through the inner side of the second fixing hole.

Preferably, the four corners of the top of the first limiting slide block are provided with first fixing holes, the inner sides of the first fixing holes are provided with first fixing screws, the top of the reduction gearbox is provided with second grooves along the movement axis of the first limiting slide block, the second grooves are matched with the first fixing holes, and the first fixing screws are meshed with the second grooves.

Preferably, the speed change gear assembly comprises a fifth speed regulation gear, a fourth speed regulation gear, a third speed regulation gear, a second speed regulation gear and a first speed regulation gear which are installed at the outer side of the power output rotating shaft at equal intervals, and the fifth speed regulation gear is connected with the first speed regulation gear, the diameter of the first speed regulation gear is gradually increased, and the fifth speed regulation gear is meshed with the transmission gear.

Preferably, the outer side of the power input rotating shaft is provided with a third limiting slide rail along the axial direction, and the inner side of the sliding sleeve is provided with a third groove matched with the third limiting slide rail.

Preferably, the outer sides of the second limiting sliding block and the first limiting sliding block are respectively provided with a fourth groove matched with the second limiting sliding rail and the first limiting sliding rail.

The utility model has the advantages of:

the utility model provides a pair of compound bevel gear reducing gear box of forming unit, it slides to the change gear who makes its and the change gear assembly of below to suitable position in the inboard of first spacing slide rail to drive its first spacing slider through pulling adjustment handle and corresponds, make the change gear meshing in its transmission gear and the change gear assembly through adjusting second spacing slider downwards, it is fixed with second spacing slider through second clamping screw, it rotates to start driving motor drive power input pivot, thereby drive transmission gear and rotate, change gear in driving the change gear assembly through transmission gear rotates, thereby export different rotational speeds, make its variable speed adjust simple low cost.

Drawings

Fig. 1 is a schematic perspective view of a transmission structure of a reduction gearbox according to a preferred embodiment of a composite bevel gear reduction gearbox of a forming cold roll unit according to the present invention;

FIG. 2 is a side cross-sectional view of a preferred embodiment of a compound bevel gear reduction gearbox of a coldbend forming unit, in accordance with the present invention;

fig. 3 is a schematic perspective view of a slider assembly according to a preferred embodiment of the compound bevel gear reduction box of the forming unit;

fig. 4 is an enlarged view of a structure at a position a of a preferred embodiment of a compound bevel gear reduction box of a forming cold roll unit according to the present invention;

fig. 5 is an enlarged view of the structure at the B position of a preferred embodiment of the compound bevel gear reduction box of the forming unit according to the present invention.

In the figure: 1-an adjusting handle, 2-a first limit slide rail, 3-a first speed regulation gear, 4-a second speed regulation gear, 5-a third speed regulation gear, 6-a fourth speed regulation gear, 7-a fifth speed regulation gear, 8-a power output rotating shaft, 9-a power input rotating shaft, 10-a transmission gear, 11-a first limit slider, 13-a second limit slide rail, 14-a second limit slider, 15-a driving motor, 16-a bearing, 17-a reduction box, 18-a third limit slide rail, 19-a first fixing screw rod, 20-a first fixing hole, 21-a second fixing screw rod, 22-a second fixing hole, 23-a sliding sleeve and 24-a connecting arm.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-5, the composite bevel gear reducer of the cold roll forming machine set provided in this embodiment includes a reducer box 17 and a power output shaft 8 installed below one side of the reducer box 17, one end of the power output shaft 8 penetrates one side of the reducer box 17 and is located outside the reducer box 17, the other end of the power output shaft 8 is installed on the inner wall of the reducer box 17 far away from the penetration portion, a speed change gear assembly is installed on the power output shaft 8 located inside the reducer box 17 at equal intervals along the axial direction thereof, a second limit slide rail 13 is installed on the inner wall of one side of the reducer box 17, a second limit slide block 14 is installed on the inner side of the second limit slide rail 13, a driving motor 15 is installed in the middle of one end of the second limit slide block 14 located outside the reducer box 17, the driving motor 15 penetrates the second limit slide block, and power input pivot 9 is located the inside of reducing gear box 17, the outside of power input pivot 9 is installed and is installed the transmission gear 10 that can slide on power input pivot 9, transmission gear 10 keeps away from one side of driving motor 15 and installs sliding sleeve 23, sliding sleeve 23 installs linking arm 24 through bearing 16, and the top of linking arm 24 is located and installs first limiting slide 11 on the inside wall of reducing gear box 17, and the outside of first limiting slide 11 is equipped with first limiting slide rail 2, first limiting slide rail 2 is fixed on the inside wall of reducing gear box 17, linking arm 24 runs through first limiting slide 11 and is located the outside of reducing gear box 17.

The adjusting handle 1 is pulled to drive the first limiting slide block 11 to slide to a proper position on the inner side of the first limiting slide rail 2 to enable the first limiting slide block to correspond to a speed change gear in a speed change gear assembly below the first limiting slide rail, the second limiting slide block 14 is adjusted downwards to enable a transmission gear 10 of the second limiting slide block to be meshed with the speed change gear in the speed change gear assembly, the second limiting slide block 14 is fixed through the second fixing screw rod 21, the driving motor 15 is started to drive the power input rotating shaft 9 to rotate, the transmission gear 10 is driven to rotate, the speed change gear in the speed change gear assembly is driven to rotate through the transmission gear 10, different rotating speeds are output, and the speed change adjustment is simple.

In this embodiment, the adjusting handle 1 is installed at one end of the connecting arm 24 located outside the reduction gearbox 17, and the outer side of the adjusting handle 1 is sleeved with a protective sleeve, and the outer side of the protective sleeve is provided with wear-resistant rubber convex particles.

The adjusting handle 1 is held by an operator through holding the protective sleeve belt, the connecting arm 24 is driven by the adjusting handle 1, and the connecting arm 24 drives the first limiting slide block 11 to slide to a proper position on the inner side of the first limiting slide rail 2.

In this embodiment, the cross section of the second limiting slider 14 is an i-shaped structure, and the four corners of the outside of the reduction box 17 are all provided with second fixing holes 22, the outside of the reduction box 17 is provided with a first groove along the movement axis of the second limiting slider 14, the first groove is matched with the second fixing holes 22, and the inner side of the second fixing holes 22 is penetrated with second fixing screws 21 engaged with the first groove.

After the second limiting sliding block 14 is adjusted to a proper position up and down, the second fixing screw 21 penetrates through the second fixing hole 22, so that the second fixing screw 21 is inserted into the inner side of the first groove to fix the second limiting sliding block 14.

In this embodiment, the four corners of the top of the first position-limiting sliding block 11 are provided with first fixing holes 20, the inner sides of the first fixing holes 20 are provided with first fixing screws 19, the top of the reduction gearbox 17 is provided with second grooves along the movement axis of the first position-limiting sliding block 11, the second grooves are matched with the first fixing holes 20, and the first fixing screws 19 are engaged with the second grooves.

After the first limiting slide block 11 is adjusted to a proper position, the first limiting slide block 11 is fixed by the first fixing screw rod 19 penetrating through the first fixing hole 20 and meshed with the second groove.

In this embodiment, the speed-changing gear assembly includes a fifth speed-adjusting gear 7, a fourth speed-adjusting gear 6, a third speed-adjusting gear 5, a second speed-adjusting gear 4 and a first speed-adjusting gear 3 which are installed at the outer side of the power output rotating shaft 8 at equal intervals, and the diameters of the fifth speed-adjusting gear 7 and the first speed-adjusting gear 3 gradually increase and are all meshed with the transmission gear 10.

Five-grade speed regulation is realized by arranging five groups of speed regulation gears, so that the speed regulation gradient is more.

In this embodiment, a third limiting slide rail 18 is installed on the outer side of the power input rotating shaft 9 along the axial direction thereof, and a third groove matched with the third limiting slide rail 18 is formed on the inner side of the sliding sleeve 23.

In this embodiment, the outer sides of the second limiting sliding block 14 and the first limiting sliding block 11 are respectively provided with a fourth groove matched with the second limiting sliding rail 13 and the first limiting sliding rail 2.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. The utility model provides a compound bevel gear reducing gear box of forming unit, its characterized in that: including reducing gear box (17) and install power take off pivot (8) of reducing gear box (17) one side below, the one end of power take off pivot (8) is run through one side of reducing gear box (17) is located the outside of reducing gear box (17), just the other end of power take off pivot (8) is installed on this inner wall that runs through the position is kept away from in reducing gear box (17), is located the equidistant gear change assembly that installs along its axial in power take off pivot (8) of reducing gear box (17) inside, the spacing slide rail of second (13) is installed to reducing gear box (17) one side inner wall, just second spacing slider (14) are installed to the inboard of the spacing slide rail of second (13), second spacing slider (14) are located the one end mid-mounting in reducing gear box (17) outside has driving motor (15), driving motor (15) run through bearing (16) second spacing slider (14) are installed power input pivot (9) And the power input rotating shaft (9) is positioned in the reduction gearbox (17), the outer side of the power input rotating shaft (9) is provided with a transmission gear (10) which can slide on the power input rotating shaft (9), a sliding sleeve (23) is arranged on one side of the transmission gear (10) far away from the driving motor (15), the sliding sleeve (23) is provided with a connecting arm (24) through a bearing (16), and the top of the connecting arm (24) is positioned on the inner side wall of the reduction gearbox (17) and is provided with a first limiting slide block (11), and the outer side of the first limit slide block (11) is provided with a first limit slide rail (2), the first limiting slide rail (2) is fixed on the inner side wall of the reduction gearbox (17), the connecting arm (24) penetrates through the first limiting sliding block (11) and is located outside the reduction gearbox (17).

2. The compound bevel gear reduction box of the cold roll forming unit according to claim 1, characterized in that: be located adjustment handle (1) is installed to the one end of connecting arm (24) of reducing gear box (17) outside, just the outside cover of adjustment handle (1) is equipped with the lag, and the outside of this lag is equipped with the protruding grain of wear-resisting rubber.

3. The compound bevel gear reduction box of the cold roll forming unit according to claim 1, characterized in that: the cross section of the second limiting sliding block (14) is of an I-shaped structure, second fixing holes (22) are formed in four corners of the outer side of the reduction gearbox (17), a first groove is formed in the outer side of the reduction gearbox (17) along the motion axis of the second limiting sliding block (14), the first groove is matched with the second fixing holes (22), and second fixing screws (21) meshed with the first groove penetrate through the inner side of the second fixing holes (22).

4. The compound bevel gear reduction box of the cold roll forming unit according to claim 1, characterized in that: the top four corners department of first spacing slider (11) opens has first fixed orifices (20), the inboard of first fixed orifices (20) is equipped with first clamping screw (19), the top of reducing gear box (17) just along it has the second recess to open on the motion axis of first spacing slider (11), this second recess with first fixed orifices (20) mutually support, first clamping screw (19) and this second recess intermeshing.

5. The compound bevel gear reduction box of the cold roll forming unit according to claim 1, characterized in that: the speed change gear assembly comprises a fifth speed regulation gear (7), a fourth speed regulation gear (6), a third speed regulation gear (5), a second speed regulation gear (4) and a first speed regulation gear (3) which are arranged at equal intervals outside a power output rotating shaft (8), and the fifth speed regulation gear (7) reaches the first speed regulation gear (3) and the diameter of the first speed regulation gear (3) is gradually increased and is meshed with the transmission gear (10).

6. The compound bevel gear reduction box of the cold roll forming unit according to claim 1, characterized in that: and a third limiting slide rail (18) is arranged on the outer side of the power input rotating shaft (9) along the axial direction of the power input rotating shaft, and a third groove matched with the third limiting slide rail (18) is formed in the inner side of the sliding sleeve (23).

7. The compound bevel gear reduction box of the cold roll forming unit according to claim 1, characterized in that: and fourth grooves matched with the second limiting sliding rail (13) and the first limiting sliding rail (2) are respectively formed in the outer sides of the second limiting sliding block (14) and the first limiting sliding block (11).