CN217617557U

CN217617557U - Clamping and positioning device for cold header machining

Info

Publication number: CN217617557U
Application number: CN202221593715.9U
Authority: CN
Inventors: 陈杨忠; 王磊
Original assignee: Jinhua Zhongxin Hardware Tools Co ltd
Current assignee: Jinhua Zhongxin Hardware Tools Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-21
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a clamping and positioning device for cold header processing, which comprises a clamp table and a boss fixed at the right end of the top of the clamp table, wherein the right top of the boss is provided with a positioning groove for clamping a blank workpiece; the left side bottom of clamping locating rack supports the contact through integral type fixedly connected with. This clamping positioner is used in cold heading machine processing can convenient and fast fix a position the relative clamping of blank work piece between location head and constant head tank, and whole structure is very simple and clear, has made things convenient for people to carry out the clamping location to the blank work piece, makes the location back very firm simultaneously, and positioning effect is very good, has improved the convenience when clamping uses greatly.

Description

Clamping and positioning device for cold header machining

Technical Field

The utility model relates to a cold heading machine processing technology field especially relates to a clamping positioner is used in cold heading machine processing.

Background

The cold header is a special device which is mainly used for producing fasteners such as nuts and bolts in batches. The cold heading process is generally based on the metal deformation theory, and applies a certain pressure to the metal blank at normal temperature to cause the metal blank to deform in a die cavity, and the metal blank is formed according to the specified shape and size.

When the cold heading equipment is used for processing, a blank is usually clamped and fixed, and then five processes of cutting, ball pressing, angle pressing, punching, forming and the like are sequentially performed. For example, CN 2121699745U in the prior art discloses a secondary positioning, clamping and feeding device for machining, which comprises a first feeding support frame, a second feeding support frame, a first feeding mounting plate, a second feeding mounting plate, a first feeding connecting plate, a second feeding connecting plate, a first feeding device, a second feeding device and a secondary positioning and clamping device; the utility model discloses compact structure, the practicality is high, has improved work efficiency, has good market using value.

However, the clamping and positioning device used in the processing of the existing cold header has a complex overall structure, so that the clamping process of a blank workpiece is inconvenient, the positioning effect is poor, and the requirement of the existing processing and positioning is difficult to adapt. In order to improve the convenience of clamping in-process, for this reason the utility model provides a clamping positioner is used in cold heading machine processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the clamping positioner is used in cold heading machine processing who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a clamping and positioning device for cold header machining comprises a clamp table and a boss fixed at the right end of the top of the clamp table, wherein a positioning groove for clamping a blank workpiece is formed in the top of the right side of the boss, a hinged frame is fixedly mounted at the top of the right side of the clamp table, a clamping and positioning frame is rotatably mounted on the hinged frame, and a positioning head for positioning the blank workpiece is fixedly connected to the top of the left side of the clamping and positioning frame through an integrated mode;

the bottom of the left side of the clamping positioning frame is fixedly connected with a butting contact through an integral body, the middle part of the right side of the clamp table is provided with a spring groove, and a tension spring is fixedly connected between the inner wall of the spring groove and the clamping positioning frame; a touch plate is movably arranged on the left side of the touch head, a wedge-shaped touch rod is fixedly connected to the left side of the touch plate, an inclined plane is arranged at the left upper end of the wedge-shaped touch rod, a vertical groove is formed in the left side of the top of the fixture table, the left end of the wedge-shaped touch rod movably penetrates into the vertical groove, a lifting rod is further slidably mounted in the vertical groove, an inclined plane is arranged at the right lower end of the lifting rod, and the inclined plane at the right lower end of the lifting rod is slidably connected with the inclined plane at the left upper end of the wedge-shaped touch rod;

the top of lifter has the screw rod through threaded connection, is located the anchor clamps bench of screw rod top still fixed mounting have the mounting bracket, and the top fixed mounting of mounting bracket has the motor, and the output shaft of motor rotate run through to the mounting bracket in and with the top fixed connection of screw rod.

Preferably, the top of the lifting rod is provided with a thread groove, and the screw rod is in threaded connection with the thread groove.

As a further preference, vertical sliding blocks are fixedly arranged on two sides of the lifting rod, vertical sliding grooves are formed in the inner walls of two sides of each vertical groove, and the vertical sliding blocks are slidably arranged in the vertical sliding grooves.

Preferably, a movable hole is formed in the inner wall of the right side of the vertical groove, and the wedge-shaped abutting rod movably penetrates through the movable hole.

Preferably, the bottom of the wedge-shaped abutting rod is fixedly connected with a transverse sliding block, a transverse sliding groove is formed in the inner wall of the bottom of the movable hole, and the transverse sliding block is slidably mounted in the transverse sliding groove.

Preferably, the hinge frame is rotatably provided with a rotating pin, and the clamping positioning frame is rotatably arranged on the hinge frame through the rotating pin; and anti-skid grains are fixedly arranged on the side wall of the positioning groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, drive the screw rod through the motor and rotate, can make the lifter pass through the thread groove and carry out screw thread transmission downwards on the screw rod, when the lifter moves down, can slide through the inclined plane of right lower extreme and the inclined plane of wedge support rod left end, and impel wedge support rod and support the touch panel and move to the right, and then can make the clamping locating rack based on the rotation pin counter-clockwise turning, the extension spring is stretched simultaneously, thereby can make the locating head on the clamping locating rack position the blank work piece in the locating slot with respect to the clamping, and still be provided with anti-skidding line on the lateral wall of locating slot, can make clamping location very firm like this, in order to ensure the stable processing of follow-up;

to sum up, this clamping positioner is used in cold heading machine processing can convenient and fast fix a position the relative clamping of blank work piece between location head and constant head tank, and whole structure is very succinct, makes things convenient for people to carry out the clamping location to the blank work piece, makes the location back very firm simultaneously, and the location effect is very good, has improved the convenience when clamping uses greatly.

Drawings

Fig. 1 is a schematic structural view of a clamping and positioning device for cold header processing according to the present invention;

fig. 2 is a schematic structural view of the middle hinge frame of the present invention;

fig. 3 is a schematic diagram of the state of the blank workpiece after being clamped and positioned in the utility model.

In the figure: 1. a jig stage; 101. a boss; 102. positioning a groove; 103. anti-skid lines; 2. A mounting frame; 3. a motor; 4. a screw; 5. a lifting rod; 501. a thread groove; 6. a vertical slide block; 7. a vertical chute; 8. a vertical groove; 9. a wedge-shaped abutting rod; 10. a touch plate; 11. a movable hole; 12. Clamping a positioning frame; 121. abutting against the contact; 122. positioning the head; 13. a hinged frame; 131. a rotation pin; 14. a tension spring; 141. a spring slot; 15. a transverse slide block; 16. a transverse chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a clamping and positioning device for cold header processing comprises a clamp table 1 and a boss 101 fixed at the right end of the top of the clamp table 1, wherein a positioning groove 102 for clamping a blank workpiece is formed in the top of the right side of the boss 101, a hinge frame 13 is also fixedly installed at the top of the right side of the clamp table 1, a clamping and positioning frame 12 is rotatably installed on the hinge frame 13, and a positioning head 122 for positioning the blank workpiece is fixedly connected to the top of the left side of the clamping and positioning frame 12 through an integral type;

the bottom of the left side of the clamping positioning frame 12 is fixedly connected with a butting contact 121 through an integral type, the middle part of the right side of the clamp table 1 is provided with a spring groove 141, and a tension spring 14 is fixedly connected between the inner wall of the spring groove 141 and the clamping positioning frame 12; a touch plate 10 is movably arranged on the left side of the touch head 121, a wedge-shaped touch rod 9 is fixedly connected to the left side of the touch plate 10, an inclined plane is arranged at the left upper end of the wedge-shaped touch rod 9, a vertical groove 8 is arranged on the left side of the top of the fixture table 1, the left end of the wedge-shaped touch rod 9 movably penetrates into the vertical groove 8, a lifting rod 5 is further slidably mounted in the vertical groove 8, an inclined plane is arranged at the right lower end of the lifting rod 5, and the inclined plane at the right lower end of the lifting rod 5 is slidably connected with the inclined plane at the left upper end of the wedge-shaped touch rod 9;

the top of lifter 5 has screw rod 4 through threaded connection, is located still fixed mounting on the anchor clamps platform 1 of screw rod 4 top and has mounting bracket 2, and the top fixed mounting of mounting bracket 2 has motor 3, and motor 3's output shaft rotate run through to mounting bracket 2 in and with screw rod 4's top fixed connection.

In this example, the top of the lifting rod 5 is provided with a thread groove 501, and the screw rod 4 is in threaded connection with the thread groove 501; vertical sliders 6 are fixedly arranged on two sides of the lifting rod 5, vertical sliding grooves 7 are formed in inner walls of two sides of the vertical groove 8, and the vertical sliders 6 are slidably mounted in the vertical sliding grooves 7.

In this example, a movable hole 11 is formed in the inner wall of the right side of the vertical groove 8, and the wedge-shaped abutting rod 9 movably penetrates through the movable hole 11; the bottom of the wedge-shaped abutting rod 9 is fixedly connected with a transverse sliding block 15, the inner wall of the bottom of the movable hole 11 is provided with a transverse sliding groove 16, and the transverse sliding block 15 is slidably mounted in the transverse sliding groove 16.

In this example, the hinge frame 13 is rotatably mounted with a rotating pin 131, and the clamping positioning frame 12 is rotatably mounted on the hinge frame 13 through the rotating pin 131; the side wall of the positioning groove 102 is also fixedly provided with anti-skid grains 103.

This clamping positioner is used in cold heading machine processing, when the clamping is used, drive screw rod 4 through motor 3 and rotate, can change the rotary motion of screw rod 4 into the linear motion of lifter 5 like this, can be so that lifter 5 carries out screw thread transmission downwards on screw rod 4 through thread groove 501, lifter 5 can slide with the inclined plane of wedge butt rod 9 left end through the inclined plane of right lower extreme when moving down, and make wedge butt rod 9 and butt touch panel 10 move to the right, and then can make clamping locating rack 12 based on the anticlockwise rotation of rotating pin 131, extension spring 14 is stretched simultaneously, thereby can make clamping locating head 122 on clamping locating rack 12 fix a position the blank work piece in constant head tank 102 relatively (as shown in figure 3), and still be provided with anti-skidding line 103 on the lateral wall of constant head tank 102, so can make the very firm of clamping location, with the follow-up stable of guarantee, and the whole structure is very simple and clear, be convenient for carrying out the clamping location to the blank work piece and use, make after the location very good, the convenience when using has been improved greatly.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A clamping and positioning device for machining of a cold header comprises a clamp table (1) and a boss (101) fixed at the right end of the top of the clamp table (1), and is characterized in that a positioning groove (102) for clamping a blank workpiece is formed in the top of the right side of the boss (101), a hinged frame (13) is further fixedly installed at the top of the right side of the clamp table (1), a clamping and positioning frame (12) is rotatably installed on the hinged frame (13), and a positioning head (122) for positioning the blank workpiece is fixedly connected to the top of the left side of the clamping and positioning frame (12) through an integral body;

the bottom of the left side of the clamping positioning frame (12) is fixedly connected with a contact (121) through an integral body, the middle part of the right side of the clamp table (1) is provided with a spring groove (141), and a tension spring (14) is fixedly connected between the inner wall of the spring groove (141) and the clamping positioning frame (12); a touch plate (10) is movably arranged on the left side of the touch head (121), a wedge-shaped touch rod (9) is fixedly connected to the left side of the touch plate (10), an inclined plane is arranged at the upper left end of the wedge-shaped touch rod (9), a vertical groove (8) is formed in the left side of the top of the fixture table (1), the left end of the wedge-shaped touch rod (9) movably penetrates into the vertical groove (8), a lifting rod (5) is further slidably mounted in the vertical groove (8), an inclined plane is arranged at the lower right end of the lifting rod (5), and the inclined plane at the lower right end of the lifting rod (5) is slidably connected with the inclined plane at the upper left end of the wedge-shaped touch rod (9);

the top of lifter (5) has screw rod (4) through threaded connection, and it has mounting bracket (2) still to be fixed mounting on anchor clamps platform (1) that is located screw rod (4) top, and the top fixed mounting of mounting bracket (2) has motor (3), and the output shaft of motor (3) rotate run through to mounting bracket (2) in and with the top fixed connection of screw rod (4).

2. The clamping and positioning device for cold heading machine machining according to claim 1, wherein a thread groove (501) is formed in the top of the lifting rod (5), and the screw (4) is in threaded connection with the thread groove (501).

3. The clamping and positioning device for the cold heading machine machining according to claim 1, wherein vertical sliding blocks (6) are fixedly arranged on two sides of the lifting rod (5), vertical sliding grooves (7) are formed in inner walls of two sides of each vertical groove (8), and the vertical sliding blocks (6) are slidably mounted in the vertical sliding grooves (7).

4. The clamping and positioning device for the cold heading machine machining according to claim 1, wherein a movable hole (11) is formed in the right inner wall of the vertical groove (8), and the wedge-shaped abutting rod (9) movably penetrates through the movable hole (11).

5. The clamping and positioning device for the machining of the cold header as claimed in claim 4, wherein a transverse sliding block (15) is fixedly connected to the bottom of the wedge-shaped abutting rod (9), a transverse sliding groove (16) is formed in the inner wall of the bottom of the movable hole (11), and the transverse sliding block (15) is slidably mounted in the transverse sliding groove (16).

6. The clamping and positioning device for the cold heading machine machining is characterized in that a rotating pin (131) is rotatably mounted on the hinge frame (13), and the clamping and positioning frame (12) is rotatably mounted on the hinge frame (13) through the rotating pin (131); the side wall of the positioning groove (102) is also fixedly provided with anti-skid lines (103).