CN114289534A - A precision guide rail drawing machine - Google Patents

Abstract

The application relates to the field of drawing machines, and discloses a precision guide rail drawing machine, which comprises a base, a drawing die arranged at one end of the base, a conveyor chain mechanism and a traction mechanism, and one end of the raw material passes through the drawing die and The traction mechanism is connected; the conveying chain mechanism includes a driven sprocket rotatably arranged at one end of the base, a driving sprocket rotatably arranged at the other end of the base, a conveying chain arranged between the driven sprocket and the driving sprocket, and The driving motor that drives the driving sprocket to rotate, and the driving motor is fixedly connected with the base; the traction mechanism includes a traction seat slidably arranged on the base and a connecting assembly arranged on the traction seat, the traction seat is fixedly connected with the conveying chain, and the connecting assembly uses At the end connected to the raw material to be drawn, a guiding mechanism is arranged between the bottom of the traction seat and the base, and several limiting mechanisms are arranged on the base along its own length direction, and the limiting mechanisms are used to limit the position of the drawn guide rail. The present application has the effect of improving the quality of the guide rail.

Description

A precision guide rail drawing machine

technical field

The present application relates to the field of drawing machines, in particular to a precision guide rail drawing machine.

Background technique

The drawing machine is an industrial equipment composed of mechanical equipment, lubrication equipment, electrical equipment, hydraulic and pneumatic systems. A drawing machine is a device used to draw metals at room temperature. When drawing, a pulling force is applied to the metal blank to pass through the die hole to obtain a product with the same size and shape as the die hole.

The Chinese patent with the announcement number CN203459440U discloses a copper chain drawing machine, including a motor and a base, the motor is connected to a No. 1 drive shaft through a coupling; the No. 1 drive shaft is installed in a bearing fixed in the bearing seat , the No. 1 sprocket is connected in the middle; the bearing seat is fixedly installed on the left end of the base; the No. 1 sprocket is connected with the No. 2 sprocket through the transmission chain; The second bearing is connected with the base; the right end of the base is connected with a drawing die, the middle of the base is provided with a guide rail, and a traction device is installed on the guide rail.

In the process of realizing the present application, the inventor found that there are at least the following problems in this technology: when the above-mentioned drawing machine performs the drawing of the precision guide rail, a small amount of offset will occur during the movement of the drawing device, thereby causing the drawn product There is the possibility of bending deformation. After the drawing is completed, it needs to be straightened with a straightening machine to meet the quality requirements, which is obviously insufficient.

SUMMARY OF THE INVENTION

In order to improve the drawing quality of the guide rail and reduce the procedures after drawing, the present application provides a precision guide rail drawing machine.

A kind of precision guide rail drawing machine provided by this application adopts the following technical scheme:

A precision guide rail drawing machine, comprising a base, a drawing die set at one end of the base, a conveyor chain mechanism set on the base, and a traction mechanism set on the base, and one end of the raw material passes through the drawing the mold is connected with the traction mechanism;

The conveying chain mechanism includes a driven sprocket that is rotatably arranged at one end of the base, a driving sprocket that is rotatably arranged at the other end of the base, and a conveying sprocket that is arranged between the driven sprocket and the driving sprocket. a chain and a drive motor that drives the driving sprocket to rotate, and the drive motor is fixedly connected to the base;

The traction mechanism includes a traction seat slidably arranged on the base and a connection assembly arranged on the traction seat, the traction seat is fixedly connected with the conveying chain, and the connection assembly is used to connect the raw material to be drawn. At the end, a guiding mechanism is arranged between the bottom of the traction seat and the base, and a number of limiting mechanisms are arranged on the base along its own length direction, and the limiting mechanisms are used to limit the position of the drawn raw materials .

By adopting the above technical solution, one end of the raw material is connected to the connecting component through the drawing die, the conveying chain is driven by the driving motor to move, and the traction seat is driven to slide along the length direction of the base, and the guiding mechanism is used to guide the traction during the sliding process of the traction seat. At the same time, several limit mechanisms are used to limit the drawn guide rail, so that the guide rail itself is not easily deformed, thereby improving the quality of the drawn guide rail.

Optionally, the guide mechanism includes a guide rail arranged on the base and a guide slider arranged at the bottom of the traction base, and two groups of the guide rail are arranged along the width direction of the base, and each group has two guide rails. The guide rails are connected end-to-end along the length direction of the base, two guide sliders are arranged along the width direction of the base, a guide groove is provided on the surface of the guide rail, and a guide portion is arranged at the bottom of the guide slider, so The guide portion is slidably matched with the guide groove.

By adopting the above technical solution, the sliding of the traction seat is guided and limited by the cooperation of the guide rail and the guide slider, and the processing difficulty and installation difficulty of the guide rail can be reduced by using a plurality of guide rails to be spliced into the same length as the base. Reduce production costs while maintaining accuracy.

Optionally, the guide rail is detachably connected to the base, and the guide slider is detachably connected to the traction base.

By adopting the above technical scheme, the guide rail and the base are detachably connected, and the guide block and the traction base are detachably connected. When the guide rail and the guide block are worn for a period of time, the severely worn parts can be replaced separately.

Optionally, one side of the guide rail in the length direction is provided with a connection block, and the other side is provided with a connection groove, and the connection block on the previous guide rail in the same group is the same as the one on the latter guide rail. The connection slots are inserted and matched.

By adopting the above technical solution, the connection between the connecting block and the connecting groove is used to make the butt joint of two adjacent guide rails more precise, which helps to improve the straightness of the guide rails in the same group.

Optionally, a placement slot is formed on the surface of the base under each of the guide rails, an adjustment block is inserted and fitted inside the placement slot, an adjustment bolt is threadedly connected to the base, and the The head of the adjusting bolt is arranged in a conical shape, and the head of the adjusting bolt is located at the bottom of the adjusting block.

By adopting the above technical solution, the guide rail is in conflict with the surface of the base, and the adjustment block can be squeezed out of the slot by the rotation of the adjustment bolt, so that the adjustment block can support the guide rail, so as to realize the height adjustment of a single guide rail, which is convenient for the The guide rails in the same group are adjusted to the same height to improve the guiding precision of the guide rails.

Optionally, one end of the base is fixedly provided with a straightness detector, the straightness detector is used to detect the straightness of the same group of the guide rails, and the straightness detector is arranged along the width direction of the base There are two.

By adopting the above technical scheme, the straightness detector is used to detect the straightness of the guide rails in the same group, and the straightness detector is used to adjust the guide rails in the same group, so that the adjustment is more accurate.

Optionally, the limit mechanism includes a limit frame fixedly connected to the base, a limit plate slidably arranged on the limit frame, and a driving cylinder for driving the limit plate to slide, and the limit frame is about There are two symmetrically arranged centers in the width direction of the base, one of the limit plates is arranged on each of the limit frames, and the two limit plates slide relative to each other along the width direction of the base, The side of the limiting plate close to the guide rail collides with the guide rail during operation.

By adopting the above technical solution, after the drawing material is drawn for a certain length, the driving cylinder drives the two limit plates to slide relative to each other, and the formed parts are clamped and limited by the two limit plates, thereby reducing the size of the formed guide rail. possibility of deformation.

Optionally, a limit block is arranged horizontally on one of the limit plates, and a limit slot is arranged on the other limit plate, and the limit block is inserted and matched with the limit slot.

By adopting the above technical solution, the limit block and the limit slot are used to insert and cooperate, so that the connection between the two limit plates is more stable, and the possibility of movement of the limit plate affected by the friction between itself and the guide rail is reduced. sex.

Optionally, two limit blocks are provided along the height direction, and the sides of the two limit blocks that are close to each other are in conflict with the guide rail.

By adopting the above technical solution, two limit blocks are used to limit the top and bottom of the guide rail after forming, so as to further improve the limit effect of the guide rail.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. Connect one end of the raw material to the connecting component through the drawing die, use the drive motor to drive the conveyor chain to move, drive the traction seat to slide along the length of the base, and use the guiding mechanism to guide the traction seat during the sliding process of the traction seat. Reduce the possibility of deviation of the traction seat, and use several limit mechanisms to limit the drawn guide rail, so that the guide rail itself is not easily deformed, thereby improving the quality of the drawn guide rail;

2. Use the cooperation of the guide rail and the guide slider to guide and limit the sliding of the traction seat, and use multiple guide rails to be spliced into the same length as the base, which can reduce the processing difficulty and installation difficulty of the guide rail, and ensure the accuracy. At the same time reduce production costs;

3. The guide rail collides with the surface of the base, and the adjustment block can be squeezed out of the slot by the rotation of the adjustment bolt, so that the adjustment block can support the guide rail, so as to realize the height adjustment of a single guide rail, and it is convenient to adjust the height of a single guide rail. The guide rails are adjusted to the same height to improve the guiding precision of the guide rails.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application.

FIG. 2 is a schematic diagram illustrating a structure of a connection assembly in an embodiment of the present application.

FIG. 3 is a schematic diagram showing the structure of the guiding mechanism in the embodiment of the present application.

FIG. 4 is a schematic diagram showing the connection structure of the guide rails in the embodiment of the present application.

FIG. 5 is a top view showing the position of the guide rail in the embodiment of the present application.

FIG. 6 is a cross-sectional view taken along the line A-A in FIG. 5 .

FIG. 7 is a top view showing the structure of the limiting mechanism in the embodiment of the present application.

Description of reference numbers:

1. Base; 11. Placement slot; 2. Drawing die; 3. Conveying chain mechanism; 31. Driven sprocket; 32. Driving sprocket; 33. Conveying chain; 34. Driving motor; 4. Traction mechanism; 41, traction seat; 42, connecting assembly; 421, clamping cylinder; 422, clamping plate; 5, guiding mechanism; 51, guiding track; 511, guiding groove; 512, connecting block; 513, connecting groove; 52, guiding Slider; 521, guide part; 61, adjustment block; 62, adjustment bolt; 63, straightness detector; 7, limit mechanism; 71, limit frame; 72, limit plate; 721, limit block; 722 , Limit slot; 73. Drive cylinder.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-7.

The embodiment of the present application discloses a precision guide rail drawing machine. Referring to FIG. 1, a precision guide rail drawing machine includes a base 1, a drawing die 2, a conveyor chain mechanism 3 and a traction mechanism 4. The drawing die 2 is fixedly arranged at one end of the base 1, and the conveying chain mechanism 3 is arranged on the base. On the base 1 , the traction mechanism 4 is slidably arranged on the base 1 , and the traction mechanism 4 is connected with the conveyor chain mechanism 3 .

1 , the conveying chain mechanism 3 includes a driving sprocket 32, a driven sprocket 31, a conveying chain 33 and a drive motor 34. The driving sprocket 32 is rotatably arranged at the other end of the base 1, and the driven sprocket 31 is rotatably arranged at the other end of the base 1. At one end of the base 1, the conveying chain 33 is arranged between the driven sprocket 31 and the driving sprocket 32, the conveying chain 33 engages the driven sprocket 3 and the driving sprocket 32, and the driving motor 34 is fixedly connected with the base 1 to drive The motor shaft of the motor 34 is coaxially and fixedly connected with the driving sprocket 32 .

1 , 2 and 3 , the traction mechanism 4 includes a traction seat 41 and a connecting assembly 42 , the traction seat 41 is slidably arranged on the base 1 , the traction seat 41 is fixedly connected with the conveying chain 33 , and the connecting assembly 42 is provided on the traction seat On the side of 41 close to the drawing die 2, the connecting assembly 42 includes a pair of clamping cylinders 421 and a clamping plate 422 fixedly connected to the piston rod of the clamping cylinder 421, and the two clamping plates 422 move relative to each other.

2 and 3, one end of the raw material passes through the drawing die 2 and collides with the traction base 41, and two clamping plates 422 clamp one end of the raw material, and the guide rail is pulled when the traction base 41 slides.

3, a guide mechanism 5 is provided between the bottom of the traction seat 41 and the base 1. The guide mechanism 5 includes a guide rail 51 and a guide slider 52. The guide rails 51 are arranged in two groups along the width direction of the base 1, and each group guides Several rails 51 are connected end to end along the length direction of the base 1 , and a single guide rail 51 is detachably connected to the base 1 through bolts.

Referring to FIG. 4 , one side of each guide rail 51 in the length direction is fixedly provided with a connecting block 512 , and the other side of each guide rail 51 in the length direction is provided with a connecting groove 513 , and the previous guide rail 51 in the same group is provided with a connecting groove 513 The connecting block 512 on the upper guide rail 51 is inserted and matched with the connecting groove 513 on the latter guide rail 51 .

Referring to FIG. 3 , the guide sliders 52 are detachably connected to the bottom of the traction base 41 through bolts, two guide sliders 52 are provided along the width direction of the base 1 , and a guide portion 521 is integrally formed at the bottom of each guide slider 52 . A guide groove 511 is provided on the surface of each guide rail 51 , and the guide groove 511 is arranged along the length direction of the guide rail 51 . The sliding of the traction base 41 is guided and limited by the cooperation of the guide rail 51 and the guide slider 52 , so as to improve the straightness of the traction base 41 during the sliding process.

5 and 6, in order to facilitate the adjustment of the height of the guide rails 51 of the same group, so that the guide rails 51 of the same group have a higher straightness, a placement groove 11 is opened on the surface of the base 1, and the placement groove 11 is placed in each guide rail 11. Each of the rails 51 is provided below with one, and an adjustment block 61 is inserted and fitted inside each placement slot 11 , and the top of the adjustment block 61 is the same height as the top of the base 1 .

Referring to FIG. 6 , adjusting bolts 62 are threadedly connected to both sides of the base 1 in the length direction. One adjusting bolt 62 is provided corresponding to each placing slot 11 . The head of the adjusting bolt 62 is tapered and the head of the adjusting bolt 62 The part is located at the bottom of the adjusting block 61 , and the adjusting block 61 is inclined at the position close to the head of the adjusting bolt 62 and fits with the head of the adjusting bolt 62 . When the adjusting bolt 62 is rotated, the adjusting block 61 is pushed up by the adjusting bolt 62 to slide upward, and the guide rail 51 is slightly lifted.

1 and 3 , in order to provide a reference during the adjustment of the guide rail 51 , a straightness detector 63 is fixedly arranged at one end of the base 1 , and two straightness detectors 63 are arranged along the width direction of the base 1 . In the process of adjusting the guide rails 51 , the straightness detector 63 is used to detect the straightness of the guide rails 51 of the same group, so as to facilitate the adjustment of the straightness of the guide rails 51 .

Referring to FIG. 7 , a plurality of limit mechanisms 7 are arranged on the base 1 along its own length direction. In this embodiment, two limit mechanisms 7 are used as examples. Each limit mechanism 7 includes a limit frame 71 , a limit plate 72 and a driving cylinder 73 . , there are two limit frames 71 symmetrically arranged with respect to the center of the width direction of the base 1 , one limit plate 72 is provided on each limit frame 71 , and the limit plates 72 are arranged vertically. One driving cylinder 73 is fixedly arranged on each limit frame 71 , the piston rod of the driving cylinder 73 penetrates the limit frame 71 , the piston rods of the two driving cylinders 73 move relative to each other in the horizontal direction, the limit plate 72 and the driving cylinder The piston rod of 73 is fixedly connected.

Referring to FIG. 7 , limit blocks 721 are fixedly arranged on one of the limit plates 72 , two limit blocks 721 are arranged in the vertical direction, and two limit blocks are opened along the vertical direction on the other limit plate 72 Slot 722. When the limiting mechanism 7 works, the driving cylinder 73 drives the two limiting plates 72 to move relative to each other until they collide with the guide rails and slidably cooperate with the guide rails. At this time, the single limit block 721 is inserted and matched with the single limit slot 722 , one limit block 721 is in contact with the top of the guide rail, and the other is in contact with the guide rail contact portion, and the limit block 721 is slidably matched with the guide rail. The limit mechanism 7 is used to limit the surrounding of the drawn guide rail to further improve the straightness of the guide rail.

The implementation principle of a precision guide rail drawing machine in the embodiment of the present application is as follows: pass one end of the raw material through the drawing die 2, use the clamping cylinder 421 to drive the two clamping plates 422 to move relative to each other, and clamp one end of the raw material, Then, the drive motor 34 is used to drive the conveying chain 33 to move, so that the traction seat 41 slides along the length direction of the base 1 . During the sliding process of the traction seat 41 , the sliding of the traction seat 41 is caused by the cooperation of the guide rail 51 and the guide slider 52 . Guide and limit the position to reduce the possibility of deviation of the traction seat 41 .

After the guide rail is pulled out for a section, the driving cylinder 73 is used to drive the two limit plates 72 to slide relative to each other, so that the side of the two limit plates 72 that are close to each other is in conflict with the formed guide rail, and the two limit blocks 721 are close to each other. One side of the guide rail is in conflict with the formed guide rail, and the drawn and formed part is clamped and limited to further reduce the possibility of the guide rail being deformed.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (9)

1. A precision guide rail drawing machine, comprising a base (1), a drawing die (2) arranged at one end of the base (1), a conveyor chain mechanism (3) arranged on the base (1), and a In the traction mechanism (4) on the base (1), one end of the raw material is connected to the traction mechanism (4) through the drawing die (2); it is characterized in that: The conveying chain mechanism (3) comprises a driven sprocket (31) rotatably arranged at one end of the base (1), and a driving sprocket (32) rotatably arranged at the other end of the base (1). , a conveying chain (33) arranged between the driven sprocket (31) and the driving sprocket (32) and a driving motor (34) for driving the driving sprocket (32) to rotate, the driving motor (34) is connected to the The base (1) is fixedly connected; The traction mechanism (4) comprises a traction seat (41) slidably arranged on the base (1) and a connection assembly (42) provided on the traction seat (41), the traction seat (41) and the The conveying chain (33) is fixedly connected, the connecting assembly (42) is used to connect the end of the raw material to be drawn, and a guiding mechanism ( 5), the base (1) is provided with several limiting mechanisms (7) along its own length direction, and the limiting mechanisms (7) are used to limit the position of the drawn raw material. 2 . A precision guide rail drawing machine according to claim 1 , wherein the guide mechanism ( 5 ) comprises a guide rail ( 51 ) arranged on the base ( 1 ) and a guide rail ( 51 ) arranged on the base ( 1 ). The guide slider (52) at the bottom of the traction seat (41), the guide rails (51) are arranged in two groups along the width direction of the base (1), and each group of the guide rails (51) is arranged along the base (1). 1) The length direction is end-to-end, two guide sliders (52) are arranged along the width direction of the base (1), guide grooves (511) are provided on the surface of the guide rail (51), and the guide sliders (52) A guide portion (521) is provided at the bottom, and the guide portion (521) is slidably matched with the guide groove (511). 3. A precision guide rail drawing machine according to claim 2, characterized in that: the guide rail (51) is detachably connected to the base (1), and the guide slider (52) is connected to the base (1). The traction seat (41) is detachably connected. 4. A precision guide rail drawing machine according to claim 2, characterized in that: one side of the guide rail (51) in the length direction is provided with a connecting block (512), and the other side is provided with a connecting groove (513) ), the connecting block (512) on the previous guide rail (51) in the same group is plugged and fitted with the connecting groove (513) on the latter guide rail (51). 5. A precision guide rail drawing machine according to claim 2, characterized in that: a placement groove (11) is provided on the surface of the base (1) below each of the guide rails (51) , an adjustment block (61) is inserted and fitted inside the placement groove (11), an adjustment bolt (62) is threadedly connected to the base (1), and the head of the adjustment bolt (62) is arranged in a conical shape , the head of the adjusting bolt (62) is located at the bottom of the adjusting block (61). 6. A precision guide rail drawing machine according to claim 2, characterized in that: one end of the base (1) is fixedly provided with a straightness detector (63), and the straightness detector (63) For detecting the straightness of the same group of the guide rails (51), two straightness detectors (63) are arranged along the width direction of the base (1). 7. A precision guide rail drawing machine according to claim 2, characterized in that: the limiting mechanism (7) comprises a limiting frame (71) fixedly connected to the base (1), a sliding A limiter plate (72) arranged on a limiter frame (71) and a driving cylinder (73) for driving the limiter plate (72) to slide, the limiter frame (71) relative to the width direction of the base (1) Two are arranged symmetrically at the center of the frame, one of the limit plates (72) is provided on each of the limit frames (71), and the two limit plates (72) are arranged along the base (1). ) relative sliding in the width direction, and the side of the limit plate (72) close to the guide rail collides with the guide rail during operation. 8 . The precision guide rail drawing machine according to claim 7 , wherein a limit block ( 721 ) is horizontally arranged on one of the limit plates ( 72 ), and the other limit plate ( 72 ) is arranged horizontally. ) is provided with a limit slot (722), the limit block (721) is inserted and matched with the limit slot (722). 9 . The precision guide rail drawing machine according to claim 8 , wherein two limit blocks ( 721 ) are provided along the height direction, and the two limit blocks ( 721 ) are close to each other. 10 . One side interferes with the guide rail.

Images