CN214719445U - Anti-slip device for cold-drawing clamp - Google Patents
Anti-slip device for cold-drawing clamp Download PDFInfo
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- CN214719445U CN214719445U CN202022290316.2U CN202022290316U CN214719445U CN 214719445 U CN214719445 U CN 214719445U CN 202022290316 U CN202022290316 U CN 202022290316U CN 214719445 U CN214719445 U CN 214719445U
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- fixedly connected
- chuck
- guide rail
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Abstract
The utility model discloses a device that skids is prevented to cold drawing clamp, including I shape guide rail, be provided with chain conveyer in the I shape guide rail, chain conveyer's both sides all are provided with little chain, fixedly connected with hook on the little chain, the equal fixedly connected with round pin axle in both sides of I shape guide rail, two hooks are corresponding with two round pin axles respectively, and the dolly is pulled out to the common fixedly connected with of one end of two hooks, it cup joints on the I shape guide rail to pull out the dolly slip, pull out one side fixedly connected with pretension cylinder of dolly. The utility model discloses be convenient for handle the problem that the cold drawing clamp skidproof effectively, press from both sides the effective cooperation of getting device and antiskid through pressing from both sides, under the prerequisite that improves the product precision, utilize the replacement piece of taking the threading die not only to have increaseed the tight performance of chuck clamp, improve the life of chuck moreover, reduce cost.
Description
Technical Field
The utility model relates to a clamp anti-skidding technical field especially relates to a device that skids is prevented to cold-drawn clamp.
Background
The chain type cold drawing machine is the most common equipment applied in cold drawing production, and has a wide application range. The drawing trolley is supported by two I-shaped guide rails and driven by a main oil cylinder, so that the trolley runs along the I-shaped guide rails. The main oil cylinder and the drawing trolley can be axially fixed with the trolley body through an adjustable split piston. When the round steel is drawn, the end of the round steel after being pressed into the drawing die holder is firstly penetrated, and then the round steel is pushed out of the drawing die holder. And starting the pre-tightening cylinder to enable the chuck to clamp the end of the round steel, enabling the round steel to be in a state to be pulled, enabling the pulling trolley to be in an initial position, and enabling the hook claw to hook a pin shaft fixed on the lathe bed when the hook claw is opened, so that the main oil cylinder starts to pull. The clamped workpiece is extruded by a specific die drawing seat, and the shape or the size of the clamped workpiece is changed. When the drawing is finished, the pre-tightening cylinder acts, the chuck loosens the round steel, the drawn finished round steel is pushed to be separated from the vehicle body, so that the discharging is smooth, and the hydraulic motor is started to drive the trolley to quickly return to the original position.
The existing chain type cold drawing machine is provided with a pair of clamps on a drawing trolley, the clamping of a workpiece is realized by opening and closing the two clamps, the workpiece is clamped and drawn backwards, and the cold drawing processing of the workpiece is finished. However, the contact area between the two clamps and the round steel is limited in the using process of the existing equipment, the friction force is not large enough, the round steel is easy to loosen in the drawing process of the drawing trolley, and cold drawing processing cannot be realized, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the cold drawing machine and in the use area of contact of two clamps and round steel limited, frictional force is not big enough, draws the in-process round steel and loosens very easily drawing the dolly out, can't realize the cold drawing processing, and the device of skidding is prevented to cold drawing clamp that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cold-drawing clamp anti-slip device comprises an I-shaped guide rail, wherein a chain conveyor is arranged in the I-shaped guide rail, small chains are arranged on two sides of the chain conveyor, hook claws are fixedly connected to the small chains, pin shafts are fixedly connected to two sides of the I-shaped guide rail, the two hook claws correspond to the two pin shafts respectively, one ends of the two hook claws are fixedly connected with a drawing trolley together, the drawing trolley is sleeved on the I-shaped guide rail in a sliding mode, and a pre-tightening cylinder is fixedly connected to one side of the drawing trolley;
one end fixedly connected with box of drawing the dolly, be provided with in the box and press from both sides and get the device, it gets the device to be provided with to press from both sides in the box, one side of box is provided with the chuck, be provided with antiskid and round steel on the chuck, it is equipped with the die drawing seat to run through on the round steel.
Preferably, the clamping device comprises a cross rod arranged in the box body, the cross rod is fixedly connected to one end of the pre-tightening cylinder, the two ends of the cross rod are rotatably connected with first swing rods, one end of each first swing rod is rotatably connected with a second swing rod, one end of each second swing rod is rotatably connected with a sector gear, one side of each sector gear is meshed with a straight ruler strip, and the lower end of each straight ruler strip is fixedly connected to the upper end of the chuck.
Preferably, the anti-skid device comprises a replacement sheet arranged on one side of the chuck, one side of the replacement sheet is screwed with two eccentric screws, and one side of the chuck is provided with two nuts which are respectively screwed with the two eccentric screws.
Preferably, one side of the die drawing seat is fixedly connected with a lubricating powder box, and the round steel penetrates through the lubricating powder box.
Preferably, a master cylinder is arranged in the drawing trolley, and a hydraulic motor is arranged on one side of the master cylinder.
Preferably, one side of the replacement sheet is provided with threading die lines.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the effective matching of the main oil cylinder, the drawing trolley, the hydraulic motor and other components, the hydraulic transmission runs stably, the consistency of a drawing action line and round steel is structurally ensured, radial runout is avoided, the drawn round steel has high concentricity, high coaxiality and straightness, high product quality and improved product precision;
2. the clamping purpose can be realized through the effective matching of the clamping head, the pre-tightening cylinder, the replacement sheet and other components, the efficiency is greatly improved, the replacement sheet can be replaced after long-time abrasion, the whole clamping head does not need to be replaced, and the cost is saved;
to sum up, the utility model discloses be convenient for handle the problem that the cold drawing clamp skidproof effectively, press from both sides the effective cooperation of getting device and antiskid through pressing from both sides, under the prerequisite that improves the product precision, utilize the replacement piece of taking the threading die not only to increase the tight performance of chuck clamp, improve the life of chuck moreover, reduce cost.
Drawings
FIG. 1 is a schematic view of the connection structure of the present invention;
fig. 2 is a schematic structural view of the gripping device of the present invention;
FIG. 3 is a top view of the replacement sheet of the present invention;
FIG. 4 is a schematic view of the replacement sheet connection structure of the present invention;
figure 5 is a side view of an alternative of the present invention.
In the figure: the device comprises a small chain 1, a chain conveyor 2, an I-shaped guide rail 3, a pin shaft 4, a claw 5, a main oil cylinder 6, a hydraulic motor 7, a drawing trolley 8, a box 9, a chuck 10, round steel 11, a die drawing seat 12, a lubricating powder box 13, a pre-tightening cylinder 14, a first swing rod 15, a second swing rod 16, a cross rod 17, a straight rod 18, a sector gear 19, an eccentric screw 20, a replacement sheet 21 and a nut 22.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, the anti-slip device for the cold-drawn clamp comprises an I-shaped guide rail 3, a supporting device provides a running track for the equipment, a chain conveyor 2 is arranged in the I-shaped guide rail 3, the chain conveyor 2 uses a chain as a traction and bearing body to convey materials, small chains 1 are arranged on two sides of the chain conveyor 2, hooks 5 are fixedly connected to the small chains 1, pin shafts 4 are fixedly connected to two sides of the I-shaped guide rail 3 and used for hinging two parts to form a hinge connection, the two hooks 5 correspond to the two pin shafts 4 respectively, and the hooks 5 complete advancing and retreating under the action of the small chains 1 after hooking the pin shafts 4.
Referring to fig. 1 and 2, one end of each of two hooks 5 is fixedly connected with a drawing trolley 8 serving as a cold drawing main body, a main oil cylinder 6 is arranged in each drawing trolley 8, a hydraulic motor 7 is arranged on one side of each main oil cylinder 6, each main oil cylinder 6 supplies energy to the hydraulic motor 7, provided liquid pressure energy is converted into mechanical energy of an output shaft of each main oil cylinder, each drawing trolley 8 is sleeved on an I-shaped guide rail 3 in a sliding mode, and a pre-tightening cylinder 14 is fixedly connected to one side of each drawing trolley 8 and used for opening and closing the clamping device;
referring to fig. 1, 2, one end fixedly connected with box 9 of drawing dolly 8, box 9 can protect to press from both sides and get the device and not receive the harm, be provided with in the box 9 and press from both sides and get the device, it can save artifical labour to press from both sides to get the device, make the operation more simple and convenient swift, one side of box 9 is provided with chuck 10, be provided with antiskid and round steel 11 on the chuck 10, antiskid makes to press from both sides and gets and more step up, be unlikely to drop, it is equipped with die drawing seat 12 to run through on the round steel 11, change round steel 11 into the shape that needs through die drawing seat 12, one side fixedly connected with lubricated powder case 13 of die drawing seat 12, reduce the friction of die drawing in-process, round steel 11 runs through the setting on lubricated powder case 13.
Referring to fig. 1 and 2, the clamping device comprises a cross rod 17 arranged in a box body 9, the cross rod 17 is fixedly connected to one end of a pre-tightening cylinder 14, two ends of the cross rod 17 are rotatably connected with first swing rods 15, the pre-tightening cylinder 14 is driven to move to see the cross rod 17 to move back and forth, so that the first swing rods 15 can swing left and right, one end of each first swing rod 15 is rotatably connected with a second swing rod 16, one end of each second swing rod 16 is rotatably connected with a sector gear 19, one side of each sector gear 19 is meshed with a straight ruler strip 18, the lower end of each straight ruler strip 18 is fixedly connected to the upper end of a chuck 10, the first swing rods 15 are driven to be meshed with the sector gears 19 and the straight ruler strips 18 through the second swing rods 16 during movement, and the chucks 10 are clamped.
Referring to fig. 3, 4 and 5, the anti-slip device includes a replacement plate 21 disposed at one side of the chuck 10, a thread pattern is disposed at one side of the replacement plate 21 to increase friction force during clamping, two eccentric screws 20 are screwed to one side of the replacement plate 21, two nuts 22 are disposed at one side of the chuck 10, the two nuts 22 are respectively screwed to the two eccentric screws 20, and the screwing of the eccentric screws 20 and the nuts 22 can reinforce the stable connection between the replacement plate 21 and the chuck 10.
The utility model discloses in, when the usual use: the drawing trolley 8 is supported by two I-shaped guide rails 3 and driven by a main oil cylinder 6 to run along the I-shaped guide rails 3, the main oil cylinder 6 and the drawing trolley 8 can be axially fixed with the trolley body through adjustable split pistons, when the round steel 11 is drawn, firstly, the end of the round steel 11 after a pressure head is penetrated into a drawing die holder 12, then the round steel 11 is pushed out of the drawing die holder 12, a pre-tightening air cylinder 14 is started, two first swing rods 15 are driven to swing through a cross rod 17, two fan-shaped gears 19 are meshed with the straight ruler strip 1 through two second swing rods 16, the straight ruler strip 18 drives a chuck 10 to clamp under the driving of a slide rail on a box body 9, a groove is formed in the chuck 10, two replacement sheets 21 with plate teeth, which have high wear resistance and thickness higher than the groove depth, are fixed on a clamp, the friction force between the replacement sheets and the round steel 11 is increased, and the clamping purpose is realized, the chuck 10 is enabled to clamp the end of the round steel 11, the round steel 11 is in a state of waiting to be pulled, the pulling trolley 8 is in an initial position, when the claw 5 is opened, the claw can hook the pin shaft 4 fixed on the lathe bed, the main oil cylinder 6 is started to start pulling, a clamped workpiece is extruded through the specific pulling die holder 12, the shape or the size is changed, when the pulling is finished, the pre-tightening air cylinder 14 acts, the chuck 10 loosens the round steel 11, the pulled finished round steel 11 is pushed to be separated from the lathe body, so that the blanking is smooth, and the hydraulic motor 7 is started to drive the trolley to quickly return to the initial position.
The above, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a device that skids is prevented to cold drawn clamp, includes I shape guide rail (3), its characterized in that: a chain conveyor (2) is arranged in the I-shaped guide rail (3), small chains (1) are arranged on two sides of the chain conveyor (2), hooks (5) are fixedly connected to the small chains (1), pin shafts (4) are fixedly connected to two sides of the I-shaped guide rail (3), the two hooks (5) correspond to the two pin shafts (4) respectively, one ends of the two hooks (5) are fixedly connected with a drawing trolley (8) together, the drawing trolley (8) is sleeved on the I-shaped guide rail (3) in a sliding mode, and a pre-tightening cylinder (14) is fixedly connected to one side of the drawing trolley (8);
one end fixedly connected with box (9) of drawing dolly (8), be provided with in box (9) and press from both sides and get the device, one side of box (9) is provided with chuck (10), be provided with antiskid and round steel (11) on chuck (10), it is equipped with die drawing seat (12) to run through on round steel (11).
2. The cold-drawn clamp slipping prevention device according to claim 1, wherein: the clamping device comprises a cross rod (17) arranged in a box body (9), the cross rod (17) is fixedly connected to one end of a pre-tightening air cylinder (14), two ends of the cross rod (17) are connected with a first swing rod (15) in a rotating mode, one end of the first swing rod (15) is connected with a second swing rod (16) in a rotating mode, one end of the second swing rod (16) is connected with a sector gear (19) in a rotating mode, one side of the sector gear (19) is meshed with a straight ruler strip (18), and the lower end of the straight ruler strip (18) is fixedly connected to the upper end of a chuck (10).
3. The cold-drawn clamp slipping prevention device according to claim 1, wherein: the anti-skid device comprises a replacement sheet (21) arranged on one side of the chuck (10), two eccentric screws (20) are screwed on one side of the replacement sheet (21), two nuts (22) are arranged on one side of the chuck (10), and the two nuts (22) are respectively screwed with the two eccentric screws (20).
4. The cold-drawn clamp slipping prevention device according to claim 1, wherein: one side of the die drawing seat (12) is fixedly connected with a lubricating powder box (13), and the round steel (11) penetrates through the lubricating powder box (13).
5. The cold-drawn clamp slipping prevention device according to claim 1, wherein: a main oil cylinder (6) is arranged in the drawing trolley (8), and a hydraulic motor (7) is arranged on one side of the main oil cylinder (6).
6. A cold-drawn grip anti-slip device according to claim 3, wherein: one side of the replacement sheet (21) is provided with threading die lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022290316.2U CN214719445U (en) | 2020-10-15 | 2020-10-15 | Anti-slip device for cold-drawing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022290316.2U CN214719445U (en) | 2020-10-15 | 2020-10-15 | Anti-slip device for cold-drawing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214719445U true CN214719445U (en) | 2021-11-16 |
Family
ID=78574353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022290316.2U Active CN214719445U (en) | 2020-10-15 | 2020-10-15 | Anti-slip device for cold-drawing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214719445U (en) |
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2020
- 2020-10-15 CN CN202022290316.2U patent/CN214719445U/en active Active
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