Clamp feeding driving structure of multi-station cold header

Abstract

The utility model belongs to the field of clamp driving, and particularly relates to a multi-station cold header clamp feeding driving structure which comprises a lathe bed, a material clamping box fixedly installed on the rear side of the top of the lathe bed, a clamp movably connected to the left side of the material clamping box, and conjugate double cams arranged on the right side of the lathe bed. A clamp feeding driving structure is arranged on the right side of the lathe bed and located above the conjugate double cams, the clamp feeding driving structure comprises a lever mounting shaft, and the lever mounting shaft is fixedly mounted on the right side of the lathe bed; raw materials are clamped and moved through cooperation between the material clamping box and the clamp, the conjugate double cams are arranged to drive the clamp feeding driving structure to move, and then the clamp is driven to move to move the raw materials; and through cooperation of the first lever, the second lever and the conjugate double cams, reciprocating motion of the clamp is achieved, parts can be conveyed conveniently, and meanwhile it is avoided that subsequent damage is caused by using a return spring, and use is affected.

Description

Technical Field

[0001] The utility model relates to the field of clamp driving, in particular to a clamp feeding driving structure of a multi-station cold heading machine. Background Art

[0002] Cold heading machines are special equipment used mainly for batch production of nuts, bolts and other fasteners. There are many models and series of cold heading bolt and nut forming machines, with reliable performance, high efficiency and stable product quality.

[0003] When the cold heading machine extrude the raw material into plastic, it often needs to use a clamp to clamp and move it. For this purpose, the clamp needs to be moved to drive the raw material to move. However, the driving device of the traditional clamp is often directly connected to the power device. After driving, a reset spring is needed to return it to its position. Long-term work causes the reset spring to be damaged, which affects subsequent use and cannot meet the actual use needs. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art, the driving device of the traditional clamp is often directly connected to the power device, and a reset spring is required to return it to its position after driving. Long-term work causes the reset spring to be damaged, which affects subsequent use. The utility model proposes a multi-station cold heading machine clamp feeding drive structure.

[0005] The technical solution adopted by the utility model to solve the technical problem is: a multi-station cold heading machine clamp feeding drive structure comprises a bed, a clamp box is fixedly installed on the rear side of the top of the bed, a clamp is movably connected to the left side of the clamp box, a conjugate double cam is arranged on the right side of the bed, and a clamp feeding drive structure is arranged on the right side of the bed and above the conjugate double cam;

[0006] The clamp feeding drive structure includes a lever mounting shaft, the lever mounting shaft is fixedly mounted on the right side of the bed, a first lever is sleeved on the outer side of the lever mounting shaft, a second lever is sleeved on the outer side of the lever mounting shaft and located on the rear side of the first lever, a connecting rod is arranged on the top of the first lever, connecting heads are fixedly mounted on both sides of the connecting rod, a radial spherical bearing is movably connected inside the connecting head, and the connecting rod is fixedly connected to the top of the first lever and the right side of the clamp through the connecting head and the radial spherical bearing respectively.

[0007] Preferably, a second roller pin is inserted into the bottom of the first lever, and a second roller is transmission-connected to the outside of the second roller pin and inside the first lever.

[0008] Preferably, a first roller pin is inserted into the bottom of the second lever, and a first roller is transmission-connected to the outside of the first roller pin and inside the second lever.

[0009] Preferably, an adjusting screw is rotatably connected to the right side of the second lever, and the left side of the adjusting screw is fixedly connected to the rear side of the first lever.

[0010] Preferably, a transmission shaft is rotatably connected to the right side of the bed body, and the transmission shaft is inserted into the conjugate double cam.

[0011] Preferably, a copper sleeve is sleeved outside the lever mounting shaft, and the outside of the copper sleeve is fixedly connected to the inner sides of the first lever and the second lever.

[0012] The beneficial effects of the present utility model are as follows:

[0013] The present utility model realizes clamping and moving of raw materials through the cooperation between the material clamping box and the clamp, and the conjugate double cam is provided to drive the movement of the clamp feeding drive structure, thereby driving the movement of the clamp to realize the movement of the raw materials. The reciprocating movement of the clamp is realized through the cooperation between the first lever, the second lever and the conjugate double cam, which is convenient for conveying parts, and at the same time avoids the subsequent damage caused by the use of the return spring, affecting the use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings according to these drawings without creative efforts.

[0015] Figure 1 is a structural schematic diagram of the present utility model;

[0016] Figure 2 is a structural schematic diagram of the clamp feeding drive device of the present utility model;

[0017] Figure 3 is a structural schematic diagram of the conjugate double cam of the present utility model.

[0018] In the figure: 1, bed body; 2, material clamping box; 3, clamp; 4, transmission shaft; 5, conjugate double cam; 6, clamp feeding drive structure; 601, lever mounting shaft; 602, copper sleeve; 603, first lever; 604, connecting head; 605, spherical plain bearing; 606, connecting rod; 607, adjusting screw; 608, second lever; 609, first roller; 610, first roller pin; 611, second roller; 612, second roller pin. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The following is combined with Figures 1 - 3 To further explain this application in detail,

[0021] The embodiment of the present application discloses a multi-station cold heading machine clamp feeding drive structure. Figure 1 and Figure 2 The multi-station cold heading machine clamp feeding drive structure comprises a bed 1, a clamp box 2 is fixedly installed on the rear side of the top of the bed 1, a clamp 3 is movably connected to the left side of the clamp box 2, a conjugate double cam 5 is arranged on the right side of the bed 1, and a clamp feeding drive structure 6 is arranged on the right side of the bed 1 and above the conjugate double cam 5;

[0022] The clamp feeding drive structure 6 includes a lever mounting shaft 601, which is fixedly mounted on the right side of the bed 1. A first lever 603 is sleeved on the outer side of the lever mounting shaft 601. A second lever 608 is sleeved on the outer side of the lever mounting shaft 601 and located on the rear side of the first lever 603. A connecting rod 606 is arranged on the top of the first lever 603. Connecting heads 604 are fixedly mounted on both sides of the connecting rod 606. A radial spherical bearing 605 is movably connected inside the connecting head 604. The connecting rod 606 is fixedly connected to the top of the first lever 603 and the right side of the clamp 3 through the connecting head 604 and the radial spherical bearing 605 respectively.

[0023] Reference Figure 2 A second roller pin 612 is inserted into the bottom of the first lever 603, and a second roller 611 is transmission-connected to the outside of the second roller pin 612 and located inside the first lever 603. The second roller pin 612 is used to install the second roller 611, and the contact between the conjugated double cam 5 and the first lever 603 is used to reduce the wear between the conjugated double cam 5 and the first lever 603.

[0024] Reference Figure 2 A first roller pin 610 is inserted into the bottom of the second lever 608, and a first roller 609 is transmission-connected to the outside of the first roller pin 610 and located inside the second lever 608. The first roller pin 610 is used to install the first roller 609, and the first roller 609 is used to reduce the wear between the conjugate double cam 5 and the second lever 608.

[0025] Reference Figure 2, on the right side of the second lever 608, an adjusting screw 607 is rotatably connected. The left side of the adjusting screw 607 is fixedly connected to the rear side of the first lever 603. Through the setting of the adjusting screw 607, the connection between the first lever 603 and the second lever 608 is realized, and at the same time, the distance between the bottoms of the first lever 603 and the second lever 608 is adjusted.

[0026] Refer to Figure 1 and Figure 3 , on the right side of the bed body 1, a transmission shaft 4 is rotatably connected. The transmission shaft 4 is inserted into the conjugate double cam 5. Through the setting of the transmission shaft 4, it is used to drive the rotation of the conjugate double cam 5, and then drive the clamp feeding drive structure 6 to move to adjust the clamp 3.

[0027] Refer to Figure 2 , a copper sleeve 602 is sleeved outside the lever mounting shaft 601. The outside of the copper sleeve 602 is fixedly connected to the inner sides of the first lever 603 and the second lever 608. Through the setting of the copper sleeve 602, the rotation of the first lever 603 and the second lever 608 relative to the lever mounting shaft 601 is realized, and then the adjustment of the clamp 3 is realized.

[0028] Working principle: The transmission shaft 4 drives the conjugate double cam 5 to rotate. The cam on the front side of the conjugate double cam 5 squeezes the first lever 603, and then drives the clamp 3 to move to the right to move the workpiece. As the transmission shaft 4 and the conjugate double cam 5 rotate, the cam on the rear side of the conjugate double cam 5 squeezes the second lever 608. Under the linkage of the adjusting screw 607, the first lever 603 pushes the clamp 3 to move to the left to return the clamp 3.

[0029] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. The multi-station cold heading machine clip feeding drive structure is characterized by: The machine comprises a bed (1), a material clamping box (2) is fixedly mounted on the rear side of the top of the bed (1), a clamp (3) is movably connected to the left side of the material clamping box (2), a conjugated double cam (5) is arranged on the right side of the bed (1), and a clamp feeding drive structure (6) is arranged on the right side of the bed (1) and above the conjugated double cam (5); The clamp feeding drive structure (6) comprises a lever mounting shaft (601), the lever mounting shaft (601) is fixedly mounted on the right side of the bed (1), a first lever (603) is sleeved on the outer side of the lever mounting shaft (601), a second lever (608) is sleeved on the outer side of the lever mounting shaft (601) and located at the rear side of the first lever (603), a connecting rod (606) is arranged on the top of the first lever (603), connecting heads (604) are fixedly mounted on both sides of the connecting rod (606), a radial spherical bearing (605) is movably connected inside the connecting head (604), and the connecting rod (606) is fixedly connected to the top of the first lever (603) and the right side of the clamp (3) through the connecting head (604) and the radial spherical bearing (605), respectively.

2. The multi-station cold heading machine clip feeding drive structure according to claim 1, characterized in that: A second roller pin (612) is inserted into the bottom of the first lever (603), and a second roller (611) is transmission-connected to the outside of the second roller pin (612) and located inside the first lever (603).

3. The multi-station cold heading machine clip feeding drive structure according to claim 1, characterized in that: A first roller pin (610) is inserted into the bottom of the second lever (608), and a first roller (609) is transmission-connected to the outside of the first roller pin (610) and inside the second lever (608).

4. The multi-station cold heading machine clip feeding drive structure according to claim 1, characterized in that: The right side of the second lever (608) is rotatably connected to an adjusting screw (607), and the left side of the adjusting screw (607) is fixedly connected to the rear side of the first lever (603).

5. The multi-station cold heading machine clip feeding drive structure according to claim 1, characterized in that: The right side of the bed (1) is rotatably connected to a transmission shaft (4), and the transmission shaft (4) is inserted into the interior of the conjugated double cam (5).

6. The multi-station cold heading machine clip feeding drive structure according to claim 1, characterized in that: The outer side of the lever installation shaft (601) is sleeved with a copper sleeve (602), and the outer side of the copper sleeve (602) is fixedly connected to the inner side of the first lever (603) and the second lever (608).

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