CN108555625A - A kind of inclined hole processing and positioning device - Google Patents

Abstract

The invention relates to the technical field of mechanical processing tooling, and specifically discloses a positioning device for machining inclined holes, which includes a base plate and a movable plate rotatably connected to the base plate, and also includes: an angle adjustment component, which is connected with the base plate and the movable plate connection, used to adjust the angle between the bottom plate and the movable plate; the clamping assembly is used to clamp the workpiece, and the clamping assembly includes two clamping arms arranged at intervals on the movable plate, two The distance between the clamping arms can be adjusted. The two clamping arms can clamp the workpiece, avoiding the displacement of the workpiece during processing, and improving the machining accuracy of the inclined hole of the workpiece; the distance between the two clamping arms can be adjusted, so that the clamping arm can clamp workpieces of different sizes , The positioning device for inclined hole processing has strong versatility. The slant hole processing and positioning device of the present invention improves the processing speed and processing accuracy of slant holes at different angles, thereby reducing labor, time and other production costs.

Description

A positioning device for inclined hole processing

technical field

The invention relates to the technical field of machining tooling, in particular to a positioning device for machining inclined holes.

Background technique

In the process of mechanical product processing, it is often necessary to process holes with different angles from the parts to meet the needs of the workpiece in different occasions.

As shown in Figure 1, in the prior art, the positioning device for processing inclined holes includes a base plate 1', on which a movable plate 2' is rotatably connected, and a movable plate 2' is embedded between the movable plate 2' and the base plate 1'. When the replaced angle control board 3' processes the workpiece, the workpiece is set on the movable board 2'.

The defect of the prior art is that the workpiece cannot be stably placed on the movable plate 2', resulting in a large size error of the inclined hole, and the positioning device for machining the inclined hole cannot adapt to the processing of workpieces of different sizes.

Contents of the invention

The object of the present invention is to provide a positioning device for machining inclined holes, which can process workpieces of different sizes and has high precision in machining inclined holes.

For reaching this purpose, the present invention adopts following technical scheme:

A positioning device for machining inclined holes, comprising a base plate and a movable plate rotatably connected to the base plate, and further comprising:

an angle adjustment component, connected to the base plate and the movable plate, for adjusting the angle between the base plate and the movable plate;

The clamping assembly is used for clamping the workpiece, and the clamping assembly includes two clamping arms arranged at intervals on the movable plate, and the distance between the two clamping arms can be adjusted.

Preferably, the positioning device for machining inclined holes further includes a distance adjusting component capable of adjusting the distance between the two clamping arms.

Preferably, the spacing adjustment assembly includes:

The first chute is arranged on the movable plate;

Two first sliders are respectively connected to the two clamping arms, both of the first sliders are locked in the first chute and can slide along the first chute, so that the two the clamping arm approaches or moves away;

The locking assembly is connected to the first sliding slot and the first sliding block, and can limit or allow relative movement of the first sliding slot and the first sliding block.

Preferably, the spacing adjustment assembly includes:

The first screw rod is connected to the movable plate through a rolling bearing;

The first nut is screwed with the first screw rod and fixedly connected with the clamping arm.

Preferably, both said clamping arms comprise:

a connecting plate connected to the movable plate;

Pressing plates, the pressing plates are provided on the sides where the two connecting plates are close to each other;

The second screw is passed through the connecting plate, and can move along the axial direction of the second screw relative to the connecting plate, and one end of the second screw is connected to the pressing plate;

Two second nuts are both screwed to the second screw rod, and are respectively arranged on opposite sides of the connecting plate, for restricting or allowing the movement of the second screw rod relative to the connecting plate.

Preferably, the movable plate includes a movable side plate and a movable bottom plate, the movable side plate is vertically connected with the movable bottom plate and forms an L-shaped structure, and the distance adjustment component is arranged on the movable side plate; The two connecting plates are arranged on opposite sides of the movable side plate, and are parallel to the movable bottom plate.

Preferably, the positioning device for processing inclined holes further includes an angle ruler, and both the movable side plate and the bottom plate are connected to the angle ruler.

Preferably, the connecting plate is provided with a first elongated hole, the second screw rod is passed through the first elongated hole, and can move along the length direction of the first elongated hole to approach or move away from the movable side panel;

The pressing plates are arc plates, and the opening of one arc plate faces the other arc plate.

Preferably, the positioning device for machining inclined holes further includes a reinforcing component, and the reinforcing component includes:

The third screw rod is connected to the movable side plate and parallel to the movable bottom plate, the third screw rod and the movable plate are respectively located on opposite sides of the movable bottom plate, and the movable bottom plate is connected to the first movable bottom plate. The opposite position of the three screws is provided with a second elongated hole;

The baffle plate is slid through the third screw rod and the second elongated hole in sequence, and extends to the side where the connecting plate is located, and the baffle plate is parallel to the movable side plate;

The third nut is screwed with the third screw and abuts against the baffle.

Preferably, the angle adjustment assembly includes:

the second chute is arranged on the bottom plate;

a support rod, one end of which is rotatably connected to the movable side plate, and a third elongated hole is opened on the support rod; and

a locking part, connected to the second chute and the support rod, for restricting or allowing the movement of the support rod relative to the second chute;

Or the angle adjustment assembly includes a drive assembly, the drive assembly includes a cylinder body and an output end, one of the cylinder body and the output end is rotatably connected to the bottom plate, and the other is rotatably connected to the movable side plate.

The beneficial effects of the present invention: the two clamping arms can clamp the workpiece, avoiding the displacement of the workpiece during the processing, and improving the machining accuracy of the inclined hole of the workpiece; the distance between the two clamping arms can be adjusted, so that the clamping arms can Clamp workpieces of different sizes, making the positioning device for inclined hole processing highly versatile. The slant hole processing positioning device of the present invention improves the processing speed and processing accuracy of slant holes at different angles, thereby reducing labor, time and other production costs.

Description of drawings

Fig. 1 is the positioning device for inclined hole processing in the prior art;

Fig. 2 is a schematic structural diagram of the first viewing angle of the positioning device for inclined hole processing of the present invention;

Fig. 3 is a schematic structural diagram of the second viewing angle of the inclined hole processing and positioning device of the present invention;

Fig. 4 is a schematic diagram of the third viewing angle of the positioning device for machining inclined holes of the present invention.

In the picture:

1', base plate; 2', movable plate; 3', control panel;

1. Bottom plate;

2. Movable plate; 21. Movable bottom plate; 211. Second slot; 22. Movable side plate;

3. Angle adjustment component; 31. Second chute; 32. Support rod; 321. Third elongated hole; 33. Locking part; 34. Driving component;

4. Clamping arm; 41. Connecting plate; 411. First elongated hole; 42. Arc plate; 43. Second screw rod; 44. Second nut;

5. Spacing adjustment component; 51. Locking component; 52. The first slider; 53. The first nut; 54. The first screw rod;

6. Reinforcement component; 61. The third screw rod; 62. Baffle plate;

7. Angle ruler; 8. Workpiece.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings but not all of them.

This embodiment provides a positioning device for machining inclined holes, which is mainly but not limited to be used in the machining of inclined holes of the workpiece 8, so as to make the positioning device for machining inclined holes more versatile and improve the machining accuracy of the inclined holes of the workpiece 8.

As shown in FIG. 2 , the positioning device for machining inclined holes provided in this embodiment includes a bottom plate 1 , a movable plate 2 , an angle adjustment component 3 and a clamping component. The movable plate 2 is rotatably connected to the base plate 1 ; the angle adjustment assembly 3 is connected to the base plate 1 and the movable plate 2 for adjusting the angle between the base plate 1 and the movable plate 2 . The clamping assembly is used to clamp the workpiece 8, and the clamping assembly includes two clamping arms 4 spaced apart on the movable plate 2, and the distance between the two clamping arms 4 can be adjusted.

The angle adjustment assembly 3 makes the base plate 1 and the movable plate 2 have different angles, and the workpiece 8 is clamped by the clamping arm 4 connected to the movable plate 2, so the angle between the workpiece 8 and the base plate 1 also changes accordingly to meet different requirements. The workpiece 8 is required to process oblique holes with different angles. The two clamping arms 4 can clamp the workpiece 8, avoiding the displacement of the workpiece 8 during processing, and improving the machining accuracy of the inclined hole of the workpiece 8; the distance between the two clamping arms 4 is adjustable, so that the clamping arms 4 can be Clamping workpieces 8 of different sizes makes the positioning device for inclined hole processing highly versatile. The positioning device for machining inclined holes in this embodiment improves the machining speed and machining accuracy of inclined holes at different angles, thereby reducing production costs such as labor and time.

Movable plate 2 comprises and connects movable side plate 22 and movable base plate 21, and movable side plate 22 is vertically connected with movable base plate 21 and forms an L-shaped structure, and movable base plate 21 is connected at the lower end place near movable side plate 22, thereby can make movable plate 2 tilts in both directions. The lower end of the movable side plate 22 is hinged with the base plate 1 or connected with the base plate 1 through a rolling bearing. The workpiece 8 can be cylindrical, and the workpiece 8 is placed on the movable bottom plate 21 .

The angle adjustment assembly 3 includes a second chute 31, a support rod 32 and a locking portion 33, the second chute 31 is arranged on the base plate 1, and the length direction of the second chute 31 ("L" as shown in Figure 2 direction) is consistent with the length direction of the bottom plate 1 (the "L" direction shown in Figure 2), specifically, the length direction of the bottom plate 1 is set on both side walls such as (the "L" direction shown in Figure 2) There is a second chute 31 , the cross section of the second chute 31 is a T-shaped structure, and the opening of the second chute 31 is an end with a smaller size.

One end of the support rod 32 is rotatably connected to the upper end of the movable side plate 22 , the support rod 32 is provided with a third elongated hole 321 , and the length direction of the third elongated hole 321 is consistent with the length direction of the support rod 32 .

The locking portion 33 is connected to the second sliding slot 31 and the supporting rod 32 for limiting or allowing the supporting rod 32 to move relative to the second sliding slot 31 . Specifically, the locking part 33 includes a screw and a nut. The screw passes through the second chute 31 , the third elongated hole 321 and the nut in sequence, and the nut of the screw abuts against the T-shaped structure of the second chute 31 On the stepped surface, the nut abuts against the side of the support rod 32 away from the bottom plate 1 , and the screw and the nut are locked, so as to limit the movement of the support rod 32 relative to the second sliding groove 31 .

In other embodiments, the angle adjustment assembly 3 includes a drive assembly 34 , and the drive assembly 34 includes a cylinder body and an output end. One of the cylinder body and the output end is rotatably connected to the bottom plate 1 , and the other is rotatably connected to the movable side plate 22 . The drive assembly 34 can be a servo cylinder, the cylinder body of the servo cylinder is rotatably connected to the bottom plate 1, the piston rod of the servo cylinder is rotatably connected to the movable side plate 22, the drive assembly 34 can also be an oil cylinder or an oil top, and the drive assembly 34 is connected with a controller , the extension length of the piston rod is controlled by the controller, thereby adjusting the angle between the bottom plate 1 and the movable side plate 22 .

As shown in FIG. 2 and FIG. 3 , the positioning device for processing inclined holes further includes an angle ruler 7 , and the movable side plate 22 and the bottom plate 1 are both connected to the angle ruler 7 . The angle ruler 7 is preferably an electronic digital display angle ruler, and the main ruler and the angle ruler of the electronic digital display angle ruler are connected to the base plate 1 and the movable side plate 22 respectively, and measure the angle between the movable side plate 22 and the base plate 1 obtained, and the The angle is the inclination angle of the workpiece 8 .

Both clamping arms 4 include a connecting plate 41 , a pressing plate, a second screw rod 43 and two second nuts 44 .

The two connecting plates 41 are disposed on opposite sides of the movable side plate 22 , and both are parallel to the movable bottom plate 21 . The connecting plate 41 is provided with a first elongated hole 411 .

The sides of the two connecting plates 41 close to each other are provided with a pressing plate, the pressing plate is an arc plate 42 , and the opening of one arc plate 42 faces the other arc plate 42 .

The second screw rod 43 is connected with the arc plate 42 after passing through the first elongated hole 411 through the connecting plate 41. The second screw rod 43 can move along the axial direction of the second screw rod 43 relative to the connecting plate 41, so that the two arc plates 42 are close to or far away from each other, and the second screw 43 can also move along the length direction of the first elongated hole 411 so that the pressing plate is close to or away from the movable side plate 22, so that the arc plate 42 and the movable side plate can be adjusted according to the diameter of the workpiece 8 22, the central axis of the circular arc plate 42 coincides with the central axis of the workpiece 8, so that the clamping assembly can clamp the workpiece 8 stably.

The two second nuts 44 are both screwed to the second screw rod 43 and respectively disposed on opposite sides of the connecting plate 41 for restricting or allowing the movement of the second screw rod 43 relative to the connecting plate 41 .

The positioning device for inclined hole processing also includes a distance adjustment assembly 5 capable of adjusting the distance between the two clamping arms 4, the distance adjustment assembly 5 is arranged on the movable side plate 22, specifically, the distance adjustment assembly 5 can adjust the distance between the two connecting plates 41 .

The spacing adjusting assembly 5 includes a first sliding slot, two first sliding blocks 52 and a locking assembly 51 .

The first chute is disposed on the movable plate 2 and between the two clamping arms 4 , the first chute is parallel to the movable bottom plate 21 and perpendicular to the two connecting plates 41 .

The two first sliding blocks 52 are respectively connected to the two connecting plates 41 , and the two first sliding blocks 52 are locked in the first sliding groove and can slide along the first sliding groove to make the two connecting plates 41 move closer or apart.

The locking assembly 51 is connected to the first sliding slot and the first sliding block 52 and can limit or allow the relative movement of the first sliding slot and the first sliding block 52 . The locking assembly 51 is a screw arranged at intervals in the threaded hole of the first slider 52. When it is necessary to restrict the movement of the first slider 52 relative to the first chute, the screw is locked so that the nut of the screw is pressed against the first slider. On the groove wall of the chute; when it is necessary to allow the first slider 52 to move relative to the first chute, unscrew the screw so that the end of the screw does not press against the groove wall of the first chute, so that the first The slider 52 slides along the first chute. When the diameter of the workpiece 8 was small, the two first slide blocks 52 approached each other, so that the two connecting plates 41 could be approached and the workpiece 8 could be clamped. When the diameter of the workpiece 8 was small, the two first slide blocks 52 Moving away from each other means that the two connecting plates 41 can be separated and clamp the workpiece 8 .

As shown in FIG. 3 , in other embodiments, the spacing adjustment assembly 5 includes a first screw 54 and a first nut 53 . The first screw rod 54 is connected to the movable side plate 22 through a rolling bearing; the first nut 53 is screwed to the first screw rod 54 and is fixedly connected to the clamping arm 4 . Preferably, the first screw rod 54 is a positive and negative screw rod, and the positive and negative screw rods are fixed on the movable plate 2 through rolling bearings, so that the positive and negative screw rods can rotate relative to the movable side plate 22, and both clamping arms 4 are fixed There are first nuts 53, and the two first nuts 53 are respectively connected with positive threads and negative threads on the positive and negative screw rods. The positive and negative screw rods can be arranged between the two connecting plates 41 , perpendicular to the two connecting plates 41 , and parallel to the bottom plate 1 . When the first screw rod 54 is rotated, the two first nuts 53 approach or move away from each other, thereby adjusting the distance between the two connecting plates 41 .

Two first screw rods 54 may also be provided, the two clamping arms 4 are connected to the two first screw rods 54 respectively, and the two first screw rods 54 move independently. It is also possible that one of the clamping arms 4 is connected with the first nut 53 and the first screw rod 54 , and the other clamping arm 4 is fixedly connected with the movable plate 2 .

As shown in FIG. 4 , the positioning device for machining inclined holes further includes a reinforcement assembly 6 , and the reinforcement assembly 6 includes a third screw rod 61 , a baffle plate 62 and a third nut.

The third screw rod 61 is connected to the movable side plate 22 and is parallel to the movable bottom plate 21. The third screw rod 61 and the movable plate 2 are located on the opposite sides of the movable bottom plate 21 respectively. Two long holes 211.

The baffle plate 62 slides through the third screw rod 61 and the second elongated hole 211 in sequence, and extends to the side where the connecting plate 41 is located, and the baffle plate 62 is parallel to the movable side plate 22;

The third nut is screwed to the third screw rod 61 and abuts against the baffle plate 62 . Two third nuts may be provided, and the third nuts are arranged on opposite sides of the baffle plate 62 respectively, so that the baffle plate 62 is fixed, the baffle plate 62 is parallel to the movable side plate 22, and the side wall of the workpiece 8 abuts against the baffle plate 62, The workpiece 8 is prevented from moving in the inclined direction.

The working process of the positioning device for machining inclined holes in this embodiment is as follows:

1. Set the angle between the bottom plate 1 and the movable side plate 22 to the required angle;

2. Adjust the distance between the two connecting plates 41 so that the workpiece 8 can be located between the two arc plates 42, and place the workpiece 8 on the movable bottom plate 21;

3. Adjust the position of the second screw rod 43 along the length direction of the long hole, so that the central axis of the arc plate 42 roughly coincides with the central axis of the workpiece 8;

4. Adjust the position of the second screw 43 along the axial direction of the second screw 43, so that the two arc plates 42 are close to each other and pressed against the workpiece 8;

5. Adjust the baffle 62 along the axial direction of the third screw 61, so that the baffle 62 is pressed against the workpiece 8;

6. After the oblique hole is processed, adjust the position of the second screw 43 along the axial direction of the second screw 43 to make the two circular arc plates 42 away from each other, and take out the workpiece 8 to complete a working cycle.

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. a kind of inclined hole processing and positioning device, including bottom plate (1) and the movable plate (2) for being rotationally connected with the bottom plate (1), It is characterized in that, further includes：

Angular adjustment component (3) is connect with the bottom plate (1) and the movable plate (2), for adjusting the bottom plate (1) and institute State the angle of movable plate (2)；

Component is folded up, for clamping workpiece (8), the component that folds up is arranged at intervals at including two on the movable plate (2) The spacing of clamp arm (4), two clamp arms (4) can be adjusted.

2. inclined hole processing and positioning device according to claim 1, which is characterized in that the inclined hole processing and positioning device also wraps The spacing adjusting part (5) of two clamp arm (4) spacing can be adjusted by including.

3. inclined hole processing and positioning device according to claim 2, which is characterized in that the spacing adjusting part (5) includes：

The first sliding groove is set on the movable plate (2)；

Two the first sliding blocks (52) connect with two clamp arms (4) respectively, and two first sliding blocks (52) are arranged in The first sliding groove can simultaneously be slided along the first sliding groove, make two clamp arms (4) closer or far from；

Locking assembly (51) is connected to the first sliding groove and first sliding block (52), can limit or allow described first Sliding slot and first sliding block (52) relative motion.

4. inclined hole processing and positioning device according to claim 3, which is characterized in that the spacing adjusting part (5) includes：

First screw rod (54) is connected to by rolling bearing on the movable plate (2)；

First nut (53) is spirally connected with first screw rod (54), and is fixedly connected with the clamp arm (4).

5. according to the inclined hole processing and positioning device described in claim 2-4 any one, which is characterized in that two clamp arms (4) include：

Connecting plate (41) is connected to the movable plate (2)；

Pressing plate, two connecting plate (41) sides close to each other are both provided with the pressing plate；

Second screw rod (43) is arranged in the connecting plate (41), and can be relative to the connecting plate (41) along second spiral shell One end of the axial movement of bar (43), second screw rod (43) is connected to the pressing plate；

Two the second nuts (44) are bolted in second screw rod (43), and are respectively arranged on the opposite of the connecting plate (41) Both sides, for limiting or allowing second screw rod (43) to be moved relative to the connecting plate (41).

6. inclined hole processing and positioning device according to claim 5, which is characterized in that the movable plate (2) is dynamic including taking over a job Side plate (22) and movable floor (21), the mobile side board (22) and the movable floor (21) vertical connection are simultaneously formed L-shaped Structure, the spacing adjusting part (5) are set on the mobile side board (22)；Two connecting plates (41) are set to described The opposite both sides of mobile side board (22), and it is parallel with the movable floor (21).

7. inclined hole processing and positioning device according to claim 6, which is characterized in that the inclined hole processing and positioning device also wraps Bevel protractor (7) is included, the mobile side board (22) connect with the bevel protractor (7) with the bottom plate (1).

8. inclined hole processing and positioning device according to claim 6, which is characterized in that be provided on the connecting plate (41) One strip hole (411), second screw rod (43) are arranged in first strip hole (411), and can be along first strip The length direction in hole (411) is moved with closer or far from the mobile side board (22)；

The pressing plate is arc plate (42), and the opening of an arc plate (42) is towards another arc plate (42).

9. inclined hole processing and positioning device according to claim 6, which is characterized in that the inclined hole processing and positioning device also wraps Reinforcement assembly (6) is included, the reinforcement assembly (6) includes：

Third screw rod (61) is connected to the mobile side board (22), and parallel with the movable floor (21), the third screw rod (61) and the movable plate (2) is located at the opposite both sides of the movable floor (21), on the movable floor (21) and institute It states the opposite position of third screw rod (61) and offers the second strip hole (211)；

Baffle (62), successively sliding are arranged in the third screw rod (61) and second strip hole (211), and to the connection Side extends where plate (41), and the baffle (62) is parallel with the mobile side board (22)；

Third nut is spirally connected with the third screw rod (61), and is abutted with the baffle (62).

10. inclined hole processing and positioning device according to claim 6, which is characterized in that angular adjustment component (3) packet It includes：

Second sliding slot (31) is set on the bottom plate (1)；

Supporting rod (32), one end are rotationally connected with the mobile side board (22), third strip are offered on the supporting rod (32) Hole (321)；And

Tight lock part (33) is connected to the second sliding slot (31) and the supporting rod (32), for limiting or allowing the support Bar (32) is moved relative to the second sliding slot (31)；

Or the angular adjustment component (3) includes drive component (34), the driving component (34) includes cylinder body and output end, institute Stating cylinder body and the output end, one of them is rotationally connected with the bottom plate (1), another is rotationally connected with the mobile side board (22)。