CN101773959A - Single-shaft variable cross-section roll bending forming machine - Google Patents

Abstract

The invention discloses a uniaxial variable cross-section roll forming machine, which includes symmetrically arranged left and right machine trains, and the left and right machine trains respectively include four roll forming machines and a set of main shaft driving devices , each roll forming machine includes a roller system, a roll gap adjustment and balancing device, and a bearing housing moving device. Keys, etc.; the main shaft driving device includes the main drive motor, the main reducer, the main transmission gear, the lower left main shaft gear, the lower transmission gear, the upper transmission gear, the lower right main shaft gear, the upper transmission gear, the upper left main shaft gear, the upper right main shaft gear, etc. It can realize the cross-section of the formed profile along its longitudinal direction, which can better meet the requirements of actual production. Its roll forming technology can be used in a wider range of fields, and can be used in the production of parts and components in the fields of automobiles and construction.

Description

Single-axis Variable Section Roll Forming Machine

technical field

The invention relates to a roll forming machine, in particular to a uniaxial variable section roll forming machine for realizing variable section forming of plates.

Background technique

Roll forming is an efficient, low-cost and clean sheet forming method.

In the forming process of the roll forming technology in the prior art, the position of the forming machine base is fixed, and only the forming roller rotates, so that the profile is equal in section along its longitudinal direction during the forming process.

Above-mentioned prior art has following shortcoming at least:

It is impossible to realize the variable section forming of the plate.

Contents of the invention

The object of the present invention is to provide a uniaxial variable cross-section roll forming machine capable of realizing variable cross-section forming of plates.

The purpose of the present invention is achieved through the following technical solutions:

The uniaxial variable cross-section roll bending machine of the present invention is characterized in that it includes symmetrically arranged left and right trains, and the left and right trains respectively include four roll forming machines and a set of main shaft drives device, each roll forming machine includes a roll system, a roll gap adjustment and balancing device, and a bearing seat moving device;

The roller system includes an upper bearing seat, an upper main shaft, a lower bearing seat, a lower main shaft, and a bearing seat pull rod;

The upper bearing seat and the lower bearing seat are connected together by two bearing seat pull rods, and the two connected bearing seats are seated on the bearing seat moving device;

The upper bearing seat supports the upper main shaft, the lower bearing seat supports the lower main shaft, one end of the upper main shaft has an upper forming roller, and one end of the lower main shaft has a lower forming roller;

The other end of the upper main shaft is connected with the upper main shaft gear, and the other end of the lower main shaft is connected with the lower main shaft gear;

When the main shaft gear rotates, the upper and lower main shafts rotate and drive the upper and lower forming rollers to rotate.

It can be seen from the technical solution provided by the present invention that the uniaxial variable-section roll forming machine described in the present invention includes symmetrically arranged left and right trains, and the left and right trains respectively include four Roll forming machine and a set of main shaft driving device. Each roll forming machine includes a roll system, a roll gap adjustment and balancing device, and a bearing seat moving device; the roll system includes an upper bearing seat, an upper main shaft, a lower bearing seat, a lower main shaft, Bearing seat pull rod; the upper bearing seat and the lower bearing seat are connected together by two bearing seat pull rods, and the two bearing seats connected together are seated on the bearing seat moving device; the upper bearing seat supports the upper main shaft, and the lower bearing seat supports The lower main shaft, one end of the upper main shaft has an upper forming roller, one end of the lower main shaft has a lower forming roller; the other end of the upper main shaft is connected with the upper main shaft gear, and the other end of the lower main shaft is connected with the lower main shaft gear; when the main shaft gear rotates , the upper and lower spindles rotate, and drive the upper and lower forming rollers to rotate. Through the movement of the roller system during the forming process, the forming of the longitudinal variable section of the plate can be realized.

Description of drawings

Fig. 1 is the schematic diagram of the front view of the uniaxial variable section roll forming machine of the present invention;

Fig. 2 is a top view schematic diagram of the uniaxial variable section roll forming machine of the present invention;

Fig. 3 is a schematic diagram of the A-A direction of the uniaxial variable cross-section roll forming machine of the present invention.

In the figure: 1-main drive motor 2-main reducer 3-upper bearing seat 4-bearing seat pull rod 5-tie rod connection plate 6-roll gap adjustment screw 7-tie rod connection nut 8-elastic support sleeve 9-upper spindle 10- Lower main shaft 11-lower bearing housing 12-main transmission gear 13-upper left main shaft gear 14-upper transmission gear 15-upper right main shaft gear 16-eccentric shaft 17-gear connecting rod 18-gear bearing 19-lower right main shaft gear 20-lower transmission Gear 21-lower left main shaft gear 22-gear support 23-skateboard 24-slide rail 25-bottom plate 26-screw mandrel 27-moving nut 28-main shaft sliding key.

Detailed ways

The uniaxial variable cross-section roll bending machine of the present invention, its preferred specific implementation is shown in Figure 1, Figure 2, and Figure 3:

It includes symmetrically arranged left and right machine trains. The left and right machine trains respectively include four roll forming machines and a set of main shaft drive devices. Each roll forming machine includes a roll system, roll gap adjustment and Balance device, bearing seat moving device;

The roller system includes an upper bearing seat, an upper main shaft, a lower bearing seat, a lower main shaft, and a bearing seat pull rod;

The upper bearing seat and the lower bearing seat are connected together by two bearing seat pull rods, and the two connected bearing seats are seated on the bearing seat moving device;

The upper bearing seat supports the upper main shaft, the lower bearing seat supports the lower main shaft, one end of the upper main shaft has an upper forming roller, and one end of the lower main shaft has a lower forming roller;

The other end of the upper main shaft is connected with the upper main shaft gear, and the other end of the lower main shaft is connected with the lower main shaft gear;

When the main shaft gear rotates, the upper and lower main shafts rotate and drive the upper and lower forming rollers to rotate.

The roll gap adjusting and balancing device includes a tie rod connecting plate, a tie rod connecting nut, a roll gap adjusting screw, and an elastic support sleeve;

There are connecting holes at both ends of the tie rod connecting plate, the two connecting holes of the connecting plate are connected with the two bearing seat pull rods of the upper and lower bearing seats, and are fixed with the tie rod connecting nuts;

There is a threaded hole in the center of the tie rod connecting plate. The roll gap adjustment screw is screwed into the threaded hole of the tie rod connecting plate. The lower end of the roll gap adjustment screw is pressed on the upper surface of the upper bearing seat. When the roll gap adjustment screw rotates downward, the upper bearing is pushed seat moves down;

There is an elastic support sleeve between the upper and lower bearing seats. When the upper bearing seat moves downward, the elastic support sleeve is compressed. When the roll gap adjustment screw rotates upward, the elastic support sleeve rebounds and elongates, pushing the upper bearing seat to move upward. .

The bearing block moving device includes a slide plate, a slide rail, a screw mandrel, and a moving nut;

The slide plate is seated on the slide rail, the slide rail is fixed on the bottom plate, the slide plate has a moving nut, one end of the screw rod is screwed into the moving nut, and the other end of the screw rod is supported by the support;

When the lead screw rotates, the moving nut moves, and the movement of the moving nut drives the bearing seat to move.

The main shaft driving device includes left and right symmetrical gear transmission groups;

The main drive motor meshes with the main shaft gears at the ends of the upper main shaft and the lower main shaft through the reducer, the main transmission gear and the transmission gear set sequentially.

The upper main shaft has a main shaft sliding key, the upper main shaft gear forms a sliding connection with the upper main shaft, and forms a hinge connection with the gear connecting rod through the gear bearing, the other end of the gear connecting rod is connected to the gear bracket through the eccentric shaft, and the eccentric shaft Rotation can adjust the center distance between the upper main shaft gear and the upper transmission gear.

The invention can realize the forming of the longitudinally variable section of the plate, and can better meet the requirements of the actual variable section forming production. The roll forming technology can be used in a wider range of fields, and can be used in the production of parts and components in the fields of automobiles, buildings, etc.; The invention is a uniaxial variable cross-section roll forming technology. Through the movement of the roller system during the forming process, the forming requirements for the longitudinal variable cross-section of the plate can be realized. Therefore, the changing cross-sectional shape of the components produced by this technology has more Reasonable mechanical properties; the invention expands the processing range of the product and meets the needs of actual engineering.

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in Figure 1, the forming machine of the present invention includes a left-right symmetrical forming machine. Each forming machine comprises an upper bearing seat (3), an upper main shaft (9), a lower bearing seat (11), a lower main shaft (10), and a bearing seat pull bar (4). Upper bearing seat (3) and lower bearing seat (11) are connected together by two bearing seat pull bars (4), and two bearing seats (3), (11) that are connected together are seated on the bearing seat moving device. The upper bearing seat (3) supports the upper main shaft (9), the lower bearing seat (11) supports the lower main shaft (10), one end of the upper main shaft (9) has an upper forming roller, and the other end of the upper main shaft (9) is connected to the upper right main shaft Gear (15) links to each other, and one end of lower main shaft (10) has following forming roller, and the other end of lower main shaft (11) links to each other with lower right main shaft gear (19).

As shown in Figure 1, the roller gap adjustment and balancing device of the forming machine includes a tie rod connecting plate (5), a tie rod connecting nut (7), a roll gap adjustment screw (6) and an elastic support sleeve (8). There are connection holes at both ends of the tie rod connecting plate (5), and the two connecting holes of the tie rod connecting plate (5) are sleeved on the rod ends of the two bearing seat pull rods (4), and fixed with two pull rod connecting nuts (7), The elastic support sleeve (8) is placed between the upper bearing seat (3) and the lower bearing seat (11).

As shown in Figure 2, the molding machine of the present invention comprises left and right symmetrical molding machine trains and molding machine spindle drive devices, and each set of molding machine spindle drive devices includes a main drive motor (1), a main reducer (2), The drive of the upper spindle and the drive of the lower spindle. The drive of the upper main shaft includes an upper main shaft (9), an upper main shaft gear (15), an upper transmission gear (14), a main shaft sliding key (28), a gear connecting rod (17) and a gear bearing (18). The upper main shaft (9) is supported by the gear bearing (18), the gear bearing (18) is supported by the gear connecting rod (17), the main shaft sliding key (28) is installed on the upper main shaft (9), when the bearing seat moves, the upper main shaft (9) moves thereupon and forms a sliding connection with the upper main shaft gear (15). The drive of the lower spindle has a similar structure to that of the upper spindle.

As shown in Figure 3, the main drive gear (12) drives the lower left main shaft gear (21), the lower left main shaft gear (21) drives the lower main shaft (10) to rotate, and at the same time, the lower left main shaft gear (21) drives the lower transmission gear (20), and the lower left main shaft gear (21) drives the lower transmission gear (20). The transmission gear (20) drives the upper transmission gear (14) and the lower right main shaft gear (19) simultaneously, and the upper transmission gear (14) drives the upper left main shaft gear (13) and the upper right main shaft gear (15) simultaneously. The upper transmission gear (14) and the lower transmission gear (20) are supported by the gear bracket (20).

As shown in Figure 3, when the upper bearing seat (3) moves downward under the action of the roll gap adjustment screw (6), the upper main shaft gear (15) also moves accordingly, and the upper transmission gear (14) and the upper main shaft gear ( 15), the center distance between them changes, and the eccentric shaft (16) is rotated to make the O1 axis of the eccentric shaft rotate around the O axis of the eccentric shaft, so that the connecting length of the gear connecting rod (17) is changed to reach the upper transmission gear (14 ) and the change requirements of the center distance of the upper main shaft gear (15).

As shown in Figure 3, the slide plate (23) falls on the slide rail (24), the slide rail (24) is fixed on the base plate (25), the moving nut (27) is fixed on the slide plate (23), and the screw mandrel (26) Form spiral connection with moving nut (27), when leading screw (26) rotates, moving nut (27) moves, and moving nut (27) drives slide plate (23) to move, and slide plate (23) drives bearing seat to move.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present invention can easily think of changes or Replacement should be covered within the protection scope of the present invention.

Claims (5)

1. single-shaft cross-section variable roller bend shaping machine, it is characterized in that, the left machine row and the right machine row that comprise symmetric arrangement, described left machine row and right machine row comprise four roll-bending shaping machines and a cover main shaft driving device respectively, and every roll-bending shaping machine comprises roller system, roll gap adjustment and bascule, bearing block mobile device;

Described roller is to comprise top chock, last main shaft, step, lower main axis, bearing block pull bar;

Top chock, step link together by two bearing block pull bars, and the diaxon bearing that links together is located on the described bearing block mobile device;

Top chock supports goes up main shaft, and step supports lower main axis, and an end of last main shaft has format roll, and an end of lower main axis has lower forming roller;

The other end of last main shaft links to each other with last mainshaft gear, and the other end of lower main axis links to each other with the lower main axis gear;

When mainshaft gear rotates, upper and lower main axis rotation, and drive upper and lower format roll rotation.

2. single-shaft cross-section variable roller bend shaping machine according to claim 1 is characterized in that, described roll gap adjustment and bascule comprise pull bar connecting plate, pull bar attaching nut, roll gap adjustment screw, resiliency supported cover;

Pull bar connecting plate two ends have connecting hole, and two connecting holes of connecting plate are connected with two bearing block pull bars of upper and lower bearing block, and fix with the pull bar attaching nut;

Pull bar connecting plate center is threaded the hole, and roll gap is adjusted screw and screwed in the pull bar connecting plate screwed hole, and roll gap is adjusted the screw lower end and is pressed on the upper surface of top chock, when roll gap adjustment screw is rotated down, promotes top chock and moves down;

Be placed with the resiliency supported cover between the upper and lower bearing block, when top chock moved down, resiliency supported was overlapped by compression, and when roll gap adjustment screw rotated up, resiliency supported cover bounce-back elongation promoted top chock and moves up.

3. single-shaft cross-section variable roller bend shaping machine according to claim 2 is characterized in that, described bearing block mobile device comprises slide plate, slide rail, screw mandrel, travelling nut;

Slide plate chair drops on the slide rail, and slide rail is fixed on the base plate, and slide plate has travelling nut, and an end of screw mandrel screws in the travelling nut, and the other end of screw mandrel is by seat supports;

When leading screw rotated, travelling nut moved, and the moving belt moving axis bearing of travelling nut moves.

4. single-shaft cross-section variable roller bend shaping machine according to claim 3 is characterized in that, described main shaft driving device comprises the gear drive group of left and right symmetry;

Driver motor is successively by decelerator, main drive gear, driving gear set and described mainshaft gear engagement of going up main shaft and lower main axis end.

5. single-shaft cross-section variable roller bend shaping machine according to claim 4, it is characterized in that, the described main shaft of going up has the main shaft feather key, last mainshaft gear and last main shaft form and are slidingly connected, and forming hinge by gear-bearing and gear connecting rod is connected, the other end of gear connecting rod is connected on the gear stand by eccentric shaft, and the rotation of eccentric shaft can be regulated the centre-to-centre spacing of mainshaft gear and upper transfer gear.

Images