CN211071434U - A sheet metal forming machine - Google Patents

Abstract

The utility model relates to the field of door frame processing devices, more particularly, it relates to a plate forming machine, comprising a frame and a plate placed on the frame, the frame is fixedly provided with a conveying device for conveying the plate, a For the punching device for punching the conveyed plate and the forming device for forming the plate after punching, the punching device is arranged between the conveying device and the forming device, and the forming device includes a drive assembly, a forming device. The assembly and the bending assembly, the driving assembly and the bending assembly are fixedly arranged on the frame, the forming assembly is fixedly connected with the driving assembly, and the forming assembly is arranged between the punching device and the bending assembly, and the plate passes through the forming assembly . By arranging a conveying device and a forming device on the frame, the plate to be processed can be continuously fed and continuously formed, so that the forming operation of the plate by the forming machine is simple and efficient.

Description

A sheet metal forming machine

technical field

The utility model relates to the field of door frame processing devices, in particular to a plate forming machine.

Background technique

The forming machine equipment is a kind of equipment for processing steel plates, and the structure is relatively simple. The plate forming machine is divided into a single-sided plate forming machine and a double-sided plate forming machine at one time. The sheet forming machine includes straightening and cutting, and the cutting part on the sheet forming machine is used to cut the sheet. The existing door frame processing equipment usually adopts a door frame forming machine.

The Chinese patent with the announcement number CN206201545U discloses a right-angle forming machine for a door body, which includes a frame. When working, the door body is placed on the lower formwork, and the end of the door body is pushed to the inner baffle, and the hydraulic cylinder is activated. The cylinder drives the upper template to descend, and the upper transition surface of the upper template is in contact with the notch of the lower template, thereby forming a right angle with rounded corners on the door body; when the limit switch contacts the lower template, the hydraulic cylinder stops the descending process, and at the same time, When working, when the door body is relatively short, the part of the door body located outside the operation slot may have an upward tendency during the pressing process of the upper template. At this time, only external force is required to make the door body located outside the operation slot. Partially fixed. In the actual use process of this kind of molding machine, although the door body can be molded, but in the molding process, the door body needs to be cut into a single door body first, and then the single door body is molded one by one. It causes problems such as complex processing operation and low efficiency, therefore, it needs to be improved.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a plate forming machine, which can continuously feed the plate to be processed and pass the forming device by arranging a conveying device and a forming device on the frame. The plate is continuously formed and processed, so that the forming operation of the plate by the forming machine is simple and efficient.

To achieve the above object, the utility model provides the following technical solutions:

A plate forming machine includes a frame and a plate placed on the frame, the frame is fixedly provided with a conveying device for conveying the plate and a punching device for punching the conveyed plate and a forming device for forming the sheet metal after punching, the punching device is arranged between the conveying device and the forming device, the forming device includes a driving component, a forming component and a bending component, the driving component The forming assembly and the bending assembly are fixedly arranged on the frame, the forming assembly is fixedly connected with the driving assembly, and the forming assembly is arranged between the punching device and the bending assembly, and the plate is passed through the forming assembly.

Through the above technical solution, the frame is fixedly provided with a conveying device for conveying the sheet, a punching device for punching the conveyed sheet, and a forming device for forming the sheet after the punching. , through the driving device, the plate is transported to the punching device for punching processing. After the punching is completed, the plate is transported to the forming device for forming. The plate to be processed can be continuously fed and continuously formed, so that the The forming machine has simple operation and high efficiency for forming the plate.

The utility model is further configured as follows: the conveying device includes a driving device, a rotating gear and a toothed chain, the driving device is fixedly arranged on the frame, the rotating gear is coaxially fixed on the output shaft of the driving device, and the rotating gear There are conveying rollers inside the gears, and the conveying rollers are fixedly connected with the rotating gears. A plurality of the conveying rollers and rotating gears are arranged along the length direction of the frame. The toothed chain is sleeved on the rotating gears, and the toothed chain is connected with Rotating gears mesh.

Through the above technical solution, the driving device is fixed on the frame, and the rotating gear is coaxially fixed on the output shaft of the driving device. When the driving device rotates, the rotating gear can be rotated electrically to drive the tooth chain to rotate, so that the conveying roller can rotate, so that the The conveying roller can convey the plate placed on it, and the structure is simple and the operation is convenient.

The utility model is further arranged as follows: the grooving device comprises a cylinder, a fixing frame and a grooving knife, the fixing frame is fixedly arranged on the frame, the air cylinder is fixedly arranged on the fixing frame, and the cylinder is penetrated with The piston rod is penetrated in the fixing frame, and the piston rod is slidingly matched with the fixing frame, and the grooving knife is fixedly arranged on the piston rod.

Through the above technical solution, a fixing frame is fixedly arranged on the frame, and the cylinder is fixedly arranged on the fixing frame. When the sheet metal placed in the punching device needs to be punched, the cylinder is activated, so that the piston rod of the cylinder is fixed in the fixing frame. The frame extends out, and at the same time drives the punching knife to punch the plate, so that the plate can be punched out of the notch with the same shape as the punching knife, and the processing is more convenient.

The utility model is further configured as follows: the drive assembly includes a drive motor, a rotating shaft and a reducer, the drive motor is fixed on the frame, the rotating shaft is coaxially fixed on the output shaft of the drive motor, and the reducer sleeve It is arranged on the rotating shaft, a rotating rod is passed through the speed reducer, a gear is fixedly arranged on the rotating rod, and the gear is fixedly connected with the forming component.

Through the above technical solution, the driving motor is fixed on the frame, and the rotating shaft is coaxially fixed on the output shaft of the driving motor. When the driving motor rotates, the rotating shaft is driven to rotate, and the reducer drives the rotating rod to rotate, so that the gear rotates, and the gear can rotate. Drive the forming assembly to rotate, form and process the plate entering the forming assembly, bend the side of the plate after punching, and gradually fold it into a right angle, which can realize the continuous forming and processing of the plate by the forming assembly, and the operation is more convenient. Convenient.

The utility model is further provided as follows: the forming assembly includes a forming roller and a rotating roller, the forming roller and the rotating roller are both arranged on the frame, the forming roller and the rotating roller are rotatably supported by the frame, and the forming roller and the rotating roller are connected with the gears. Fixed connection, the forming roller and the rotating roller are both provided with forming grooves, and the forming roller and the rotating roller are arranged correspondingly.

Through the above technical solution, both the forming roller and the rotating roller are arranged on the frame, and the forming roller and the rotating roller are fixedly connected with the gears. When the driving motor drives the gears to rotate, the gears can drive the forming rollers and the rotating rollers to rotate, and the forming rollers and the rotating rollers can rotate through the forming rollers. The plate is formed and processed with the forming groove on the rotating roller, and the to-be-bent edge of the plate is continuously bent, so that the to-be-bent edge of the plate can be bent into a right-angle edge, and the processing efficiency is high.

The utility model is further configured as follows: the bending assembly includes a support piece, an inner straightening piece and an abutting piece, the supporting piece and the abutting piece are fixedly arranged on the frame, and the inner straightening piece is fixedly arranged on the frame On the support member, the inner straightening member is arranged corresponding to the abutting member, the inner straightening member abuts the inner side of the plate with the rounded right-angle bending edge, and the abutting member abuts against the bending edge of the plate. outside.

Through the above technical solution, the support member and the abutting member are fixedly arranged on the frame, the inner straightening member abuts on the inner side of the plate with the rounded right-angled edge, and the abutting member abuts on the outer side of the plate bending edge, The sheet is bent through the inner straightening piece and the abutting piece, so that the right-angle bending edge of the formed sheet can be kept bent, so that the right-angle bending edge of the sheet is more stable, and the formed sheet is prevented from Under the action of its own rigid restoring force, the bent edge cannot maintain a right-angle state, resulting in poor quality of the formed sheet.

The utility model is further configured as follows: a pressing device is fixedly arranged on the frame, and the pressing device abuts on the plate, the pressing device comprises a support frame and a pressing plate, the support frame is arranged on the frame, the The pressing plate is fixedly arranged on the support frame, and the pressing plate abuts on the upper surface of the plate.

Through the above technical solution, a pressing device is fixedly arranged on the frame, and the support frame is arranged on the frame, and the support frame is provided with a pressing plate, and the upper surface of the plate is pressed by the pressing plate, so that the plate can be pressed during the forming process. Abutting on the rotating roller, so that the plate is always between the rotating roller and the forming roller for forming processing, so as to avoid the plate from shaking during the forming process of the forming roller and the rotating roller, resulting in processing errors and low quality of the formed plate. .

The utility model is further configured as follows: a placing frame is fixedly arranged on the frame, an adjusting groove is opened in the placing frame, the supporting frame is passed through the adjusting groove, an adjusting screw rod is passed through the placing frame, and the adjusting screw rod Vertically arranged, the placing frame is threadedly connected with the adjusting screw rod, and the adjusting screw rod extends into the adjusting groove and abuts against both ends of the supporting frame.

Through the above technical solution, a placing frame is fixedly arranged on the frame, an adjusting groove is opened on the placing frame, an adjusting screw is penetrated in the placing frame, the adjusting screw is vertically arranged, the placing frame is threadedly connected with the adjusting screw, and the adjusting screw It extends into the adjustment groove and abuts on both ends of the support frame. The support frame is clamped by the adjustment screw. At the same time, by twisting the adjustment screws at both ends of the support frame, the adjustment screw can drive the support frame to adjust the height in the vertical direction. , so that the pressing plate can be adjusted freely to better press the upper surface of the plate, so that the quality of the formed plate is higher.

To sum up, the utility model has the following beneficial effects:

(1) By arranging a conveying device and a forming device on the frame, the plate to be processed can be continuously fed, and the plate can be continuously formed through the forming device, so that the forming operation of the plate by the forming machine is simple. ,efficient;

(2) By arranging a support member and abutting member on the frame, the inner straightening member abuts on the inner side of the plate with the rounded right-angled edge, and the abutting member abuts on the outer side of the bending edge of the plate, and passes through the inner side. The straightening part and the abutting part bend the plate, so that the right-angle bending edge of the formed plate can be kept bent, making the right-angle bending edge of the plate more stable, and avoiding the formed plate in its own Under the action of the rigid restoring force, the bent edge cannot be kept at a right angle, resulting in poor quality of the formed sheet;

(3) By fixing the pressing device on the frame, the support frame is arranged on the frame, and the support frame is provided with a pressing plate, and the upper surface of the plate is pressed by the pressing plate, so that the plate can abut during the forming process. On the rotating roller, the plate is always formed between the rotating roller and the forming roller to prevent the plate from shaking during the forming process in the forming roller and the rotating roller, resulting in processing errors and low quality of the formed plate.

Description of drawings

Fig. 1 is the overall schematic diagram of the utility model;

Fig. 2 is the partial enlarged view of A place in Fig. 1;

Fig. 3 is a partial enlarged view at B in Fig. 1;

Fig. 4 is a partial enlarged view at C in Fig. 1;

FIG. 5 is a schematic diagram showing the structure of the drive assembly.

Reference numerals: 1, frame; 2, plate; 3, conveying device; 31, driving device; 32, rotating gear; 33, tooth chain; 34, conveying roller; 4, grooving device; 41, cylinder; 42, Fixed frame; 43, grooving knife; 44, piston rod; 5, forming device; 51, driving assembly; 511, driving motor; 512, rotating shaft; 513, reducer; 514, rotating rod; 515, gear; 52, forming Component; 521, forming roller; 522, rotating roller; 523, forming groove; 53, bending assembly; 531, supporting part; 532, inner straightening part; 533, abutting part; 6, pressing device; 61, supporting frame ; 62, pressing plate; 7, placing rack; 71, adjusting groove; 72, adjusting screw.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

A plate forming machine, as shown in Figures 1 and 2, includes a frame 1 and a plate 2 placed on the frame 1. The frame 1 is fixedly provided with a conveying device 3 for conveying the plate 2, for The punching device 4 for punching the conveyed plate 2 and the forming device 5 for forming the punched plate 2 are provided between the conveying device 3 and the forming device 4 . When the plate 2 is formed and processed, the plate 2 is first conveyed by the conveying device 3, so that the plate 2 enters from one side of the frame 1 and reaches the punching device 4, and the punching device 4 punches the plate 2. In groove processing, the plate 2 is punched out of the notches. After the processing is completed, the plate 2 enters the forming device 5, and the plate 2 is formed by the forming device 5, so that the side edge of the plate 2 after punching is bent. The forming machine can continuously feed the plate 2 to be processed, and continuously form the plate 2 through the forming device 5, so that the forming operation of the plate 2 by the forming machine is simple and efficient.

As shown in Figures 1 and 2, the conveying device 3 includes a driving device 31, a rotating gear 32 and a toothed chain 33. The driving device 31 is fixedly arranged on the frame 1, and the driving device 31 can be directly constituted by a motor, and the rotating gear 32 is coaxial It is fixed on the output shaft of the motor, and the rotating gear 32 is provided with a conveying roller 34, and the conveying roller 34 is fixedly connected with the rotating gear 32. The conveying roller 34 and the rotating gear 32 are arranged along the length of the frame 1. The chain 33 is sleeved on the rotating gear 32 , and the toothed chain 33 is meshed with the rotating gear 32 . When the conveying device 3 is conveying the plate 2, the driving device 31 is activated, which drives the rotating gear 32 to rotate, and drives the toothed chain 33 to rotate. 32 drives the conveying roller 34 to rotate, conveys the plate 2 placed on the conveying roller 34 , and conveys the plate 2 to the punching device 4 .

As shown in FIG. 1 and FIG. 3 , the grooving device 4 includes a cylinder 41 , a fixing frame 42 and a grooving knife 43 . The fixing frame 42 is fixedly arranged on the frame 1 , and the cylinder 41 is fixedly arranged on the fixing frame 42 . A piston rod 44 is passed through, the piston rod 44 is passed through the fixing frame 42 , and the piston rod 44 is slidably matched with the fixing frame 42 , and the grooving knife 43 is fixedly arranged on the piston rod 44 . When the conveying device 3 transports the plate 2 to the punching device 4, the punching device 4 performs punching processing on the positions to be punched at both ends of the plate 2 along the width direction of the frame 1, starts the cylinder 41, and the piston rod 44 is fixed. The frame 42 slides vertically downward, and drives the grooving knife 43 to cut the plate 2, and performs the grooving process on the plate 2. After the grooving process is completed, the piston rod 44 drives the grooving knife 43 to move vertically upwards, ready to be down One punching process.

As shown in FIG. 1 , after the punching process of the plate 2 is completed, the plate 2 is moved to the forming device 5 under the conveying action of the conveying device 3 for forming. The forming device 5 includes a driving assembly 51, a forming assembly 52 and a bending assembly 53. Both the driving assembly 51 and the bending assembly 53 are fixedly arranged on the frame 1, the forming assembly 52 is fixedly connected with the driving assembly 51, and the forming assembly 52 is arranged in the frame 1. Between the punching device 4 and the bending assembly 53 , the plate 2 passes through the forming assembly 52 . When the plate 2 is formed by the forming device 5, the driving component 51 drives the forming component 52 to rotate, and bends the part of the side edge of the plate 2 between the two adjacent punching slots on the plate 2 that exceeds the punching slot. Bending processing, after the processing is completed, the bending edge of the sheet 2 is bent by the bending assembly 53, so that the bending edge of the sheet 2 can maintain a right-angle state, so that the right-angle bending edge of the sheet 2 is more stable, and avoids the forming of the sheet 2. Under the action of its own rigid restoring force, the bent edge cannot maintain a right-angle state, resulting in poor quality of the formed plate 2 .

1 and 5 , the drive assembly 51 includes a drive motor 511 , a rotating shaft 512 and a reducer 513 , the drive motor 511 is fixed on the frame 1 , and the rotating shaft 512 is coaxially fixed on the output shaft of the drive motor 511 The reducer 513 is sleeved on the rotating shaft 512 , a rotating rod 514 is penetrated in the reducer 513 , a gear 515 is fixedly arranged on the rotating rod 514 , and the gear 515 is fixedly connected with the forming component 52 . When the plate 2 is being formed, the driving motor 511 is activated to drive the rotating shaft 512 to rotate, and the reducer 513 drives the rotating rod 514 to rotate, and at the same time drives the gear 515 to rotate, thereby driving the forming assembly 52 to form the plate 2 .

As shown in FIG. 1 and FIG. 3 , the forming assembly 52 includes a forming roller 521 and a rotating roller 522. The forming roller 521 and the rotating roller 522 are both arranged on the frame 1, and the forming roller 521 and the rotating roller 522 are rotatably supported with the frame 1. 5, the forming roller 521 and the rotating roller 522 are fixedly connected with the gear 515, the gear 515 is two gears 515 that mesh with each other in the vertical direction, the rotating roller 522 is coaxially fixed with the bottom gear 515, and the forming roller 521 and the top gear 515 are fixed coaxially. The gears 515 are fixed coaxially, and the forming rollers 521 and the rotating rollers 522 are both provided with forming grooves 523 , and the forming rollers 521 and the rotating rollers 522 are arranged correspondingly. When the gear 515 rotates, it can drive the forming roller 521 and the rotating roller 522 to rotate at the same time, and the to-be-bent edge of the sheet 2 set in the forming groove 523 is bent through the forming groove 523 . The frame 1 is provided with a plurality of them in the length direction, and the vertical height of the forming grooves 523 on the forming roller 521 is gradually increased, which is matched with the forming grooves 523 on the rotating roller 522, so that the to-be-bent edge of the sheet 2 is gradually formed. The bending process is performed so that the to-be-bent side of the plate 2 is set at a right angle.

As shown in FIG. 1 and FIG. 4 , after the bending of the sheet 2 is completed, the sheet 2 is continued to be bent so that the bent side of the sheet 2 can maintain a right-angle state. The bending assembly 53 includes a support 531 , an inner side The straightening member 532 and the abutting member 533, the supporting member 531 and the abutting member 533 are fixedly arranged on the frame 1, the inner straightening member 532 is fixedly arranged on the supporting member 531, and the inner straightening member 532 is connected to the abutting member. 533 are correspondingly arranged, the inner straightening member 532 is in contact with the inner side of the plate 2 with the rounded right-angle bending edge, and the abutting member 533 is in contact with the outer side of the bending edge of the plate 2, through the inner straightening member 532 and the abutment. The connector 533 bends the plate 2, and clamps the bent edge of the plate 2, so that the right-angle bent edge of the formed plate 2 can be kept bent, so that the right-angle bent edge of the plate 2 is more stable.

As shown in FIG. 1 and FIG. 4 , in order to prevent the plate 2 from shaking during the forming process in the forming roller 521 and the rotating roller 522 , resulting in processing errors, the quality of the formed plate 2 is low, and it is fixed on the frame 1 A pressing device 6 is provided, and the pressing device 6 abuts on the plate 2. The pressing device 6 includes a support frame 61 and a pressing plate 62. The support frame 61 is arranged on the frame 1, and the pressing plate 62 is fixedly arranged on the support frame 61. And the pressing plate 62 is in contact with the upper surface of the plate 2 to press the plate 2 during the forming process. A placing frame 7 is fixed on the frame 1, an adjusting groove 71 is opened in the placing frame 7, the supporting frame 61 is penetrated in the adjusting groove 71, and an adjusting screw 72 is penetrated in the placing frame 7, and the adjusting screw 72 is vertically arranged, The placing frame 7 is threadedly connected with the adjusting screw rod 72 , and the adjusting screw rod 72 extends into the adjusting groove 71 and abuts against both ends of the support frame 61 . The support frame 61 is clamped by the adjusting screw 72, and the adjusting screw 72 at both ends of the support frame 61 is twisted, so that the adjusting screw 72 can drive the support frame 61 to adjust the height in the vertical direction, so that the pressing plate 62 can be freely Adjustment, better pressing on the upper surface of the plate 2, so that the quality of the formed plate 2 is higher.

The implementation principle of this embodiment is as follows: when the plate 2 is formed and processed, the plate 2 is first conveyed by the conveying device 3, so that the plate 2 enters from one side of the frame 1 and reaches the punching device 4, and then the plate 2 is transported by the punching device 4. The groove device 4 performs punching processing on the plate 2, punches the plate 2 out of the notch, and after the processing is completed, the plate 2 enters the forming device 5, and the forming assembly 52 is driven by the driving component 51 to rotate, and the two adjacent horizontally adjacent on the plate 2 are rotated. The part where the width of the side edge of the sheet 2 exceeds the punching slot between the punching notches is subjected to bending processing. After the processing is completed, the bending part of the sheet 2 is bent by the bending assembly 53, so that the bending edge of the sheet 2 can be kept at a right angle. , so that the right-angle bending edge of the plate 2 is more stable. After the forming of the plate 2 is completed, the conveying device 3 transports the plate 2 from one side of the frame 1 to complete the forming of the plate 2.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions that belong to the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (8)

1. A plate forming machine, comprising a frame (1) and a plate (2) placed on the frame (1), characterized in that the frame (1) is fixedly provided with a frame (1) for forming a plate (2) A conveying device (3) for conveying, a punching device (4) for punching a conveyed sheet (2), and a forming device (5) for forming a sheet (2) after being punched ), the punching device (4) is arranged between the conveying device (3) and the forming device (5), and the forming device (5) includes a driving assembly (51), a forming assembly (52) and a bending assembly ( 53), the driving assembly (51) and the bending assembly (53) are fixedly arranged on the frame (1), the forming assembly (52) is fixedly connected with the driving assembly (51), and the forming assembly (52) It is arranged between the punching device (4) and the bending assembly (53), and the plate (2) is passed through the forming assembly (52). 2. A sheet metal forming machine according to claim 1, characterized in that the conveying device (3) comprises a driving device (31), a rotating gear (32) and a toothed chain (33), and the driving device (31) 31) is fixed on the frame (1), the rotating gear (32) is coaxially fixed on the output shaft of the driving device (31), and the rotating gear (32) is provided with a conveying roller (34), And the conveying roller (34) is fixedly connected with the rotating gear (32), a plurality of the conveying roller (34) and the rotating gear (32) are arranged along the length direction of the frame (1), and the toothed chain (33) is sleeved It is arranged on the rotating gear (32), and the tooth chain (33) is meshed with the rotating gear (32). 3. A sheet metal forming machine according to claim 1, characterized in that the grooving device (4) comprises a cylinder (41), a fixing frame (42) and a grooving knife (43), the fixing frame (42) is fixedly arranged on the frame (1), the cylinder (41) is fixedly arranged on the fixing frame (42), the cylinder (41) is provided with a piston rod (44), the piston rod (44) The grooving knife (43) is fixedly arranged on the piston rod (44) and is passed through the fixing frame (42), and the piston rod (44) is slidingly matched with the fixing frame (42). 4. A sheet metal forming machine according to claim 1, characterized in that the drive assembly (51) comprises a drive motor (511), a rotating shaft (512) and a reducer (513), and the drive motor (511) ) is fixedly arranged on the frame (1), the rotating shaft (512) is coaxially fixed on the output shaft of the drive motor (511), the speed reducer (513) is sleeved on the rotating shaft (512), the speed reducing A rotating rod (514) is passed through the device (513), a gear (515) is fixedly arranged on the rotating rod (514), and the gear (515) is fixedly connected with the forming assembly (52). 5 . The sheet metal forming machine according to claim 4 , wherein the forming assembly ( 52 ) comprises a forming roller ( 521 ) and a rotating roller ( 522 ), the forming roller ( 521 ) and the rotating roller ( 522) are all arranged on the frame (1), the forming roller (521) and the rotating roller (522) are rotatably supported with the frame (1), and the forming roller (521) and the rotating roller (522) are fixedly connected with the gear (515) A forming groove (523) is provided on the forming roller (521) and the rotating roller (522), and the forming roller (521) and the rotating roller (522) are correspondingly arranged. 6 . The sheet metal forming machine according to claim 1 , wherein the bending assembly ( 53 ) comprises a support member ( 531 ), an inner straightening member ( 532 ) and an abutting member ( 533 ), wherein the The supporting member (531) and the abutting member (533) are both fixedly arranged on the frame (1), the inner straightening member (532) is fixedly arranged on the supporting member (531), and the inner straightening member ( 532) and corresponding to the abutting piece (533), the inner straightening piece (532) abuts against the inner side of the plate (2) with the rounded right-angle bent edge, and the abutting piece (533) abuts against the plate (2) Bend the outside of the edge. 7 . The sheet metal forming machine according to claim 1 , wherein a pressing device ( 6 ) is fixedly arranged on the frame ( 1 ), and the pressing device ( 6 ) abuts on the sheet ( 2 ). 8 . , the pressing device (6) comprises a supporting frame (61) and a pressing plate (62), the supporting frame (61) is arranged on the frame (1), and the pressing plate (62) is fixedly arranged on the supporting frame (62). 61), and the pressing plate (62) is in contact with the upper surface of the plate (2). 8 . The sheet forming machine according to claim 7 , wherein a placing rack ( 7 ) is fixedly arranged on the frame ( 1 ), and an adjusting groove ( 71 ) is opened in the placing rack ( 7 ). ), the support frame (61) is penetrated in the adjustment groove (71), the adjustment screw (72) is penetrated in the placement frame (7), the adjustment screw (72) is vertically arranged, the placement frame (7) is connected with the adjustment The screw rod (72) is screwed together, and the adjustment screw rod (72) extends into the adjustment groove (71) and abuts against both ends of the support frame (61).

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