CN219152444U - Multi-station curved surface automatic wire drawing machine - Google Patents

Abstract

The utility model discloses a multi-station curved surface automatic wire drawing machine which comprises a first wire drawing mechanism, a second wire drawing mechanism, an abrasive belt and a rack, wherein the first wire drawing mechanism and the second wire drawing mechanism are arranged on the rack, the first wire drawing mechanism and the second wire drawing mechanism are arranged in parallel and have the same structure, the first wire drawing mechanism comprises an upper pressing block device, a numerical control divider and a swinging motor, the numerical control divider is arranged below the upper pressing block device and corresponds to the upper pressing block device, the swinging motor is connected with the numerical control divider, the upper pressing block device comprises a profiling pressing block, the lower end face of the profiling pressing block is arc-shaped, and the abrasive belt passes through the space between the profiling pressing block and the numerical control divider. Through being equipped with the profile modeling briquetting, can be by the combined action of product and profile modeling briquetting with straight abrasive band down, laminate to the curved surface of product on, guarantee that product surface atress is even, and then obtain even unanimous line at the surface of curved surface product, need not artifical manual wire drawing, improved work efficiency, guaranteed product quality's stability.

Description

Multi-station curved surface automatic wire drawing machine

Technical Field

The utility model belongs to wire drawing or drawing equipment, and particularly relates to a multi-station curved surface automatic wire drawing machine.

Background

Aiming at various metal nameplate products, the conventional process is to fix the abrasive paper after tiling, and polish the nameplate back and forth on the abrasive paper to form a wiredrawing effect; there are also embossing machines which use a rotating belt to polish and draw the product. Mechanical arms are adopted to assist profiling drawing, and products are placed on a working surface of an abrasive belt by utilizing high precision of movement of the mechanical arms; however, the abrasive belt drawing operation requires a large amount of pressing force, so that a mechanical arm with a higher KG number must be used to ensure stability. The mechanical arm is used for profiling wire drawing operation, explosion-proof treatment is needed, the occupied area is large, the wire changing time is long, and the investment and use cost is too high, so that the mechanical arm scheme is not recommended. And the existing wire drawing machine can only perform plane wire drawing, can not perform wire drawing on curved products, and can only perform manual wire drawing on curved products, so that the use is limited, the production efficiency is greatly reduced, and the wire drawing quality is uneven.

Disclosure of Invention

The utility model aims to provide a multi-station curved surface automatic wire drawing machine which can solve at least one of the problems.

According to one aspect of the utility model, a multi-station curved surface automatic wire drawing machine is provided, which comprises a first wire drawing mechanism, a second wire drawing mechanism, an abrasive belt and a rack, wherein the first wire drawing mechanism and the second wire drawing mechanism are arranged on the rack, the first wire drawing mechanism and the second wire drawing mechanism are arranged in parallel, and have the same structure, the first wire drawing mechanism comprises an upper pressing block device, a numerical control divider and a swinging motor, the numerical control divider is arranged below the upper pressing block device and corresponds to the upper pressing block device, the swinging motor is connected with the numerical control divider, the upper pressing block device comprises a profiling pressing block, the lower end surface of the profiling pressing block is arc-shaped, and the abrasive belt passes through the space between the profiling pressing block and the numerical control divider.

The beneficial effects of the utility model are as follows: by the aid of the profiling pressing block, the flat abrasive belt can be attached to the curved surface of the product under the combined action of the product and the profiling pressing block, so that the surface stress of the product is uniform, uniform lines are obtained on the surface of the curved surface product, manual wire drawing is not needed, the working efficiency is improved, and the stability of the product quality is ensured; the first wire drawing mechanism and the second wire drawing mechanism are arranged, so that a plurality of products can be conveniently processed, and the working efficiency is improved; the numerical control divider is arranged, so that products on the numerical control divider can be positioned accurately, products to be processed and processed products are far away from a processing area running at high speed, and the operation safety is ensured; after the product to be processed rotates in place, the swing motor is started, so that the product on the digital control divider moves back and forth, polishing and wiredrawing of the workpiece are realized under the action of the abrasive belt, and the use requirement is met.

In some embodiments, the upper briquetting device further comprises a lower pressing cylinder, a fixing plate and a mounting block, wherein the fixing plate is fixed on the frame, the lower pressing cylinder is mounted on the fixing plate, one end of the mounting block is connected with a piston rod of the lower pressing cylinder, and the profiling briquetting is arranged at the other end of the mounting block. Therefore, the fixing plate is arranged, so that the installation of the pressing cylinder can be facilitated; the installation of the profiling pressing block can be facilitated through the installation block; the pressing block is conveniently controlled to move up and down through the lower pressing cylinder, so that the workpiece is conveniently placed and taken out.

In some embodiments, the upper briquetting device further comprises a guide post, a guide sleeve and a spring, wherein the guide post penetrates through the fixed plate and then is connected with the mounting block, the guide sleeve is fixed on the fixed plate, the guide sleeve is sleeved on the guide post, the spring is sleeved on the guide post, one end of the spring is abutted with the fixed plate, and the other end of the spring is abutted with the mounting block. Therefore, the guide post and the guide sleeve are arranged, so that a good guiding effect can be achieved on the movement of the upper pressing block; meanwhile, the profiling pressing block and the abrasive belt can have a certain buffering effect when in wire drawing through the springs, so that the integrity of products is guaranteed, and the abrasive belt can be pulled normally.

In some embodiments, the multi-station curved surface automatic wire drawing machine further comprises a connecting block, wherein the profiling pressing block is fixed with the mounting block through the connecting block, and the connecting block is detachably connected with the mounting block. Therefore, the connecting block can facilitate the installation and the matching of the profiling pressing block and the installation block; the connecting block is detachably connected with the mounting block, so that the copying press block is convenient to replace, different curved surface wire drawing requirements are met, and overall adaptability is improved.

In some embodiments, a turntable is arranged on the numerical control divider, and a plurality of fixing jigs are uniformly distributed on the turntable. From this, can drive the carousel through the numerical control decollator and rotate for wait to process the product and the processed product on the fixed tool rotates corresponding region, makes things convenient for getting of product to put, guarantees the security of operation.

In some embodiments, the multi-station curved surface automatic wire drawing machine further comprises a lower sliding table, the lower sliding table is fixed below the numerical control divider, the swing motor is connected with the lower sliding table, a sliding rail is arranged on the rack, a sliding groove is arranged at the bottom of the lower sliding table, and the sliding groove is matched with the sliding rail. Therefore, the connection between the numerical control divider and the swing motor is facilitated by the lower sliding table; the sliding rail is matched with the sliding groove, so that the moving stability of the lower sliding table is improved.

In some embodiments, the multi-station curved surface automatic wire drawing machine further comprises a plurality of abrasive belt motors and guide wheels, wherein the abrasive belt motors and the guide wheels are arranged on the frame, one of the guide wheels is connected with an output shaft of the abrasive belt motor, and the abrasive belt is sleeved on the guide wheel. Therefore, by arranging the abrasive belt motor, the abrasive belt is convenient to drive to rotate at high speed, and the wire drawing of products is realized; the guide wheels are arranged, so that the abrasive belt is convenient to wind and set up, and is in a tensioning state.

In some embodiments, the multi-station curved surface automatic wire drawing machine further comprises a connecting device, and the swing motor is connected with the lower sliding table through the connecting device. Therefore, the connecting device is arranged, so that the connection of the swing motor and the lower sliding table can be facilitated.

In some embodiments, the connecting device comprises two eccentric wheels and rod end joint bearings, wherein the two rod end joint bearings are fixedly connected, the eccentric wheels are sleeved on the output shaft of the swing motor, one rod end joint bearing is eccentrically connected with the eccentric wheels, and the other rod end joint bearing is connected with the lower sliding table. From this, through rod end joint bearing and eccentric wheel eccentric connection for realize down the fore-and-aft movement of slip table when rocking motor rotates, simplify connection structure.

Drawings

FIG. 1 is a schematic diagram of a multi-station curved surface automatic wire drawing machine of the present utility model;

FIG. 2 is a schematic diagram of a first wire drawing mechanism in the multi-station curved surface automatic wire drawing machine of the utility model;

fig. 3 is a schematic structural view of a part of the structure of the multi-station curved surface automatic wire drawing machine of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

Reference is made to fig. 1 to 3. The multi-station curved surface automatic wire drawing machine comprises a first wire drawing mechanism 1, a second wire drawing mechanism 2, an abrasive belt 4 and a rack 5, wherein the first wire drawing mechanism 1 and the second wire drawing mechanism 2 are arranged on the rack 5, the first wire drawing mechanism 1 and the second wire drawing mechanism 2 are arranged in parallel, and have the same structure, the first wire drawing mechanism 1 comprises an upper briquetting device 11, a numerical control divider 12 and a swinging motor 13, the numerical control divider 12 is arranged below the upper briquetting device 11 and corresponds to the upper briquetting device 11, namely, the upper briquetting device 11 can work together with the numerical control divider 12 to compress a workpiece, so that the abrasive belt 4 is convenient for drawing the workpiece; the swing motor 13 is connected with the numerical control divider 12, the upper pressing block device 11 comprises a profiling pressing block 111, the lower end surface of the profiling pressing block 111 is arc-shaped, and the abrasive belt 4 passes through the space between the profiling pressing block 111 and the numerical control divider 12. Wherein, profile modeling briquetting 111 is the elastic component, can make when profile modeling briquetting 111 pushes down, profile modeling briquetting 111's lower terminal surface can hug closely with abrasive band 4 to make abrasive band 4 can wait the curved surface of wire drawing closely with the work piece and laminate, can effectively place profile modeling briquetting 111 and cause the damage to abrasive band 4, guaranteed abrasive band 4's life.

In the actual use process, in order to facilitate the control of the swing motor 13, the swing motor 13 adopts a servo motor. The numerical control divider 12 is a numerical control divider commonly used in the prior art, and the specific structure is not described again.

The numerical control divider 12 is fixedly provided with the turntable 6, a plurality of fixing jigs 7 are uniformly distributed on the turntable 6, the number of the jigs can be four in the actual use process, and the rotation angle of the numerical control divider 12 is 90 degrees each time. The turntable 6 can be driven to rotate by the numerical control divider 12; the shape of the fixing jig 7 can be matched with the shape of a workpiece, so that the workpiece is conveniently covered and fixed on the fixing jig 7; the form of fixed tool 7 can be multiple, changes according to the fixed requirement of specific product.

When the multi-station curved surface automatic wire drawing machine is used, a workpiece to be processed is fixed on the fixed jig 7, and the numerical control divider 12 drives the turntable 6 to rotate by a corresponding angle, so that the workpiece to be processed rotates below the upper pressing block device 11. At this time, the upper briquetting device 11 presses down, so that the profiling briquetting 111 and the numerical control divider 12 jointly compress the workpieces on the fixed jig 7, and the abrasive belt 4 performs wire drawing on the corresponding workpieces. Meanwhile, the rotary table rotates to enable other products to be processed and processed products to be far away from a processing area running at a high speed, and the numerical control divider 12 rotates a workpiece to-the-spot signal to be transmitted to the swinging motor 13 for controlling the starting of an action program of the swinging motor 13. After the program action of the swinging motor 13 is finished, the output signal automatically starts the numerical control divider to perform the next circulation action, so that a plurality of stations can automatically and controllably perform circulation work, the production efficiency is improved, and the operation safety is ensured.

The upper briquetting device 11 further comprises a lower pressing cylinder 112, a fixed plate 113 and an installation block 116, wherein the fixed plate 113 is fixed on the frame 5 through bolts, the cylinder body of the lower pressing cylinder 112 is installed on the fixed plate 113, one end of the installation block 116 is connected with a piston rod of the lower pressing cylinder 112, and the profiling briquetting 111 is arranged at the other end of the installation block 116. When the workpiece to be processed rotates to the position right below the profiling pressing block 111, the piston rod of the lower pressing cylinder 112 stretches out, so that the profiling pressing block 111 and the fixing jig 7 act on the workpiece and the sand belt together, and polishing and wiredrawing of the curved surface of the workpiece are realized. On the contrary, when the drawing of the workpiece is completed, the piston rod of the lower pressing cylinder 112 is retracted, the profiling pressing block 111 is pulled to move upwards, and the turntable rotates, so that the machined workpiece is conveniently taken out.

The upper briquetting device 11 further comprises a guide post 114, a guide sleeve 115 and a spring 117, wherein the guide post 114 penetrates through the fixed plate 113 and then is connected with the mounting block 116, the guide sleeve 115 is fixed on the fixed plate 113, the guide sleeve 115 is sleeved on the guide post 114, the spring 117 is sleeved on the guide post 114, one end of the spring 117 is abutted against the fixed plate 113, and the other end of the spring 117 is abutted against the mounting block 116. Wherein, four mounting holes are respectively arranged at the four top angles of the fixed plate 113, and four guide sleeves 115 are correspondingly arranged in each mounting hole. The guide sleeve 115 can guide the guide post 114, so that the mounting block 116 and the profiling pressing block 111 can keep rectilinear motion, and the guide effect is achieved. Meanwhile, the guide sleeve 115 is arranged, so that the guide post 114 can be prevented from being in direct contact with the fixed plate 113, friction force is reduced, and the service life of the guide post 114 is prolonged.

During actual use, one end of the spring 117 is abutted against the fixed plate 113, and the other end of the spring 117 is abutted against the mounting block 116, so that when the lower pressing cylinder 112 pushes the profiling pressing block 111 to be pressed downwards, the spring 117 is gradually stretched, so that the profiling pressing block 111 can play a certain role in buffering under the action of the spring 117 when contacting a workpiece, and the profiling pressing block 111 is prevented from pressing an abrasive belt on the workpiece instantly, so that the profiling pressing block 111 and the workpiece are protected.

The multi-station curved surface automatic wire drawing machine also comprises a connecting block 20, wherein the profiling pressing block 111 is fixed with the mounting block 116 through the connecting block 20, and the connecting block 20 is detachably connected with the mounting block 116. During actual use, the connecting block 20 and the profiling pressing block 111 can be adhered and fixed, so that a notch or other hole structures are avoided on one side of the profiling pressing block 111, which is in contact with the abrasive belt 4, and the adhesion tightness of the profiling pressing block 111 and the abrasive belt 4 is ensured, thereby ensuring the wire drawing quality of products. The connecting block 20 and the mounting block 116 can be screwed and fixed by bolts, so that the detachable connection is realized; specifically, the mounting block 116 and the connecting block 20 may be provided with threaded holes, which are correspondingly communicated, and when the connecting block 20 and the mounting block 116 need to be fixed, the threaded holes of the bolts are inserted into the threaded holes of the two to fix. Therefore, the connecting block 20 can be conveniently disassembled and assembled on the mounting block 116, curved surfaces can be processed according to different products, and the profiling pressing blocks 111 with different curved surface shapes can be replaced, so that different processing requirements can be met.

The multi-station curved surface automatic wire drawing machine further comprises a lower sliding table 8, wherein the lower sliding table 8 is fixed below the numerical control divider 12, the swinging motor 13 is connected with the lower sliding table 8, the rack 5 is provided with a sliding rail 51, the bottom of the lower sliding table 8 is provided with a sliding groove 81, and the sliding groove 81 is matched with the sliding rail 51.

The multi-station curved surface automatic wire drawing machine also comprises a plurality of abrasive belt motors 9 and guide wheels 10, wherein the abrasive belt motors 9 and the guide wheels 10 are arranged on the frame 5, one guide wheel 10 is connected with an output shaft of the abrasive belt motor 9, and the abrasive belt 4 is sleeved on the guide wheel 10. One of the guide wheels 10 can be driven to rotate through the abrasive belt motor 9, and the guide wheel 10 drives the abrasive belt to rotate, so that the high-speed rotation requirement of the abrasive belt is met, and the abrasive belt is convenient to wire the workpiece.

The multi-station curved surface automatic wire drawing machine further comprises a connecting device 3, and a swinging motor 13 is connected with the lower sliding table 8 through the connecting device 3.

The connecting device 3 comprises two eccentric wheels 31 and rod end joint bearings 32, wherein the two rod end joint bearings 32 are fixedly connected through screw threads, the eccentric wheels 31 are sleeved on the output shaft of the swinging motor 13, one rod end joint bearing 32 is eccentrically connected with the eccentric wheels 31, namely, the connecting point of the rod end joint bearing 32 and the eccentric wheels 31 deviates from the center of the eccentric wheels 31, so that the eccentric wheels 31 are driven to do eccentric motion when rotating; the other rod end joint bearing 32 is connected to the lower slide table 8. By providing the two rod end joint bearings 32, the rotation of the swing motor 13 can be converted into linear motion of the upper slide table 121, and the drawing of the workpiece can be realized.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present utility model.

Claims (6)

1. The multi-station curved surface automatic wire drawing machine is characterized by comprising a first wire drawing mechanism (1), a second wire drawing mechanism (2), an abrasive belt (4) and a rack (5), wherein the first wire drawing mechanism (1) and the second wire drawing mechanism (2) are arranged on the rack (5), the first wire drawing mechanism (1) and the second wire drawing mechanism (2) are arranged in parallel, the first wire drawing mechanism (1) and the second wire drawing mechanism are identical in structure, the first wire drawing mechanism (1) comprises an upper pressing block device (11), a numerical control divider (12) and a swinging motor (13), the numerical control divider (12) is arranged below the upper pressing block device (11) and corresponds to the upper pressing block device (11), the swinging motor (13) is connected with the numerical control divider (12), the upper pressing block device (11) comprises a profiling pressing block (111), the lower end face of the profiling pressing block (111) is arc-shaped, and the abrasive belt (4) passes through between the profiling pressing block (111) and the numerical control divider (12). The upper briquetting device (11) further comprises a lower pressing cylinder (112), a fixed plate (113) and a mounting block (116), wherein the fixed plate (113) is fixed on the frame (5), the lower pressing cylinder (112) is mounted on the fixed plate (113), one end of the mounting block (116) is connected with a piston rod of the lower pressing cylinder (112), and the profiling briquetting (111) is arranged at the other end of the mounting block (116); the upper briquetting device (11) further comprises a guide post (114), a guide sleeve (115) and a spring (117), wherein the guide post (114) penetrates through the fixed plate (113) and then is connected with the mounting block (116), the guide sleeve (115) is fixed on the fixed plate (113), the guide sleeve (115) is sleeved on the guide post (114), the spring (117) is sleeved on the guide post (114), one end of the spring (117) is abutted against the fixed plate (113), and the other end of the spring is abutted against the mounting block (116); the multi-station curved surface automatic wire drawing machine further comprises a connecting block (20), wherein the profiling pressing block (111) is fixed with the mounting block (116) through the connecting block (20), and the connecting block (20) is detachably connected with the mounting block (116).

2. The multi-station curved surface automatic wire drawing machine according to claim 1, wherein a turntable (6) is arranged on the numerical control divider (12), and a plurality of fixing jigs (7) are uniformly distributed on the turntable (6).

3. The multi-station curved surface automatic wire drawing machine according to claim 2, further comprising a lower sliding table (8), wherein the lower sliding table (8) is fixed below the numerical control divider (12), the swinging motor (13) is connected with the lower sliding table (8), a sliding rail (51) is arranged on the frame (5), a sliding groove (81) is arranged at the bottom of the lower sliding table (8), and the sliding groove (81) is matched with the sliding rail (51).

4. The multi-station curved surface automatic wire drawing machine according to claim 1, further comprising an abrasive belt motor (9) and a plurality of guide wheels (10), wherein the abrasive belt motor (9) and the guide wheels (10) are arranged on the frame (5), one guide wheel (10) is connected with an output shaft of the abrasive belt motor (9), and the abrasive belt (4) is sleeved on the guide wheels (10).

5. A multi-station curved surface automatic wire drawing machine according to claim 3, further comprising a connecting device (3), wherein the swinging motor (13) is connected with the lower sliding table (8) through the connecting device (3).

6. The multi-station curved surface automatic wire drawing machine according to claim 5, wherein the connecting device (3) comprises two eccentric wheels (31) and two rod end joint bearings (32), the two rod end joint bearings (32) are fixedly connected, the eccentric wheels (31) are sleeved on the output shaft of the swinging motor (13), one rod end joint bearing (32) is eccentrically connected with the eccentric wheels (31), and the other rod end joint bearing (32) is connected with the lower sliding table (8).

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