CN213744375U - Cam pin - Google Patents

Abstract

The utility model discloses a cam pin, which comprises a pin body, wherein the pin body is provided with corresponding bulges, the pin body is hollow, threads which are integrally formed are arranged in the bulges of the pin body, a fixed hole is arranged below the pin body, a sealing rubber ring is fixed in the fixed hole through a bolt, and a protective layer covers the surface of the pin body; the production device of the cam pin comprises a base, wherein a supporting leg is fixed above the base through welding, a supporting plate is fixed on the top surface of the supporting leg through welding, an air cylinder is arranged in the supporting plate, a telescopic rod is arranged on the bottom surface of the supporting plate, a mold is arranged on the side wall of the supporting leg, and the bottom surface of the telescopic rod is fixed on the top surface of the mold through welding; the utility model discloses in, it is more convenient to make being connected between round pin body and the mounting through screw thread and fixed orifices, has played the guard action through protective layer and sealing rubber circle round pin itself, has improved the stability of being connected between round pin body and the connecting device.

Description

Cam pin

Technical Field

The utility model relates to a cam round pin production technical field specifically is a cam round pin.

Background

The pin shaft is a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, and is mainly used at the hinged position of two parts to form a hinged connection. The round pin axle is usually locked with the split pin, the reliable operation, it is convenient to dismantle, round pin hub connection is more general can dismantle connected mode, be used for the connection of machine parts frequently, the convenience of its operation directly influences the work efficiency of each part dismouting, the round pin axle relies on spring clip or split pin locking pin axle's axial displacement, this kind of mode needs the orientation in adjustment round pin shaft hole so that the insertion of spring clip or split pin, and need expend time in order to aim at spring clip (or split pin) and epaxial through-hole of round pin, there is long time consuming, the problem of inefficiency, and in the in-process of long-term use, the wearing and tearing phenomenon can appear in the pin itself, and the area of being connected of pin and mounting is less, still can appear not hard up the phenomenon, its reliability is not enough, so still need to improve.

Therefore, the inventor provides a cam pin combining various factors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cam pin to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a cam pin comprises a pin body, wherein a corresponding bulge is arranged on the pin body, the pin body is hollow, threads which are integrally formed are arranged in the bulge of the pin body, a fixing hole is formed in the lower part of the pin body, a sealing rubber ring is fixed in the fixing hole through a bolt, and a protective layer covers the surface of the pin body; the utility model discloses in, it is more convenient to make being connected between round pin body and the mounting through screw thread and fixed orifices, plays the guard action through protective layer and sealing rubber circle round pin itself, has improved the degree of wear and the leakproofness of round pin body simultaneously, has further improved the stability of being connected between round pin body and the connecting device.

As a further aspect of the present invention: the protective layer is made of silicon rubber, and the wheel pin body is made of iron; the silicon rubber has high temperature resistance, can be used in the environment of minus 30 ℃ to plus 250 ℃, and has strong oxidant resistance, oil resistance and acid and alkali resistance.

As a further aspect of the present invention: the production device of the cam pin comprises a base, wherein a supporting leg is fixed above the base through welding, a supporting plate is fixed on the top surface of the supporting leg through welding, an air cylinder is arranged in the supporting plate, a telescopic rod is arranged on the bottom surface of the supporting plate, a mold is arranged on the side wall of the supporting leg, and the bottom surface of the telescopic rod is fixed on the top surface of the mold through welding; the mould is controlled to move up and down through the telescopic rod, and the automation degree of the device is improved.

As a further aspect of the present invention: the mould comprises an upper mould, a lower mould and a forming strip, wherein the bottom surface of the lower mould is fixed on a base, the side wall of the lower mould is fixed on the side wall of the supporting leg, the side wall of the upper mould is arranged on the side wall of the supporting leg, the top surface of the upper mould is fixed with a telescopic rod through welding, a feeding pipe is arranged in the upper mould, a forming groove and a cooling groove are arranged in the lower mould, the forming strip is arranged in the forming groove, the cooling groove in the upper mould is connected with a water inlet pipe, the cooling groove in the lower mould is connected with a water outlet pipe, and valves are arranged in the water inlet pipe and the water outlet pipe; insert the mould with the shaping strip after the laminating of upper and lower mould, pour the completion back, let in cold water through the inlet tube, cool off the mould, the water-cooling efficiency is high, can effectively reduce the temperature on die cavity surface.

As a further aspect of the present invention: the side wall of the upper die is mounted with the side wall of the supporting leg through a lifting mechanism, the lifting mechanism comprises a sliding rail, a sliding block and a connecting rod, a mounting groove is formed in the side wall of the supporting leg, the sliding rail is fixed in the mounting groove through welding, the sliding block is mounted in the sliding rail, one end of the connecting rod is fixed with the sliding block, and the other end of the connecting rod is fixed with the side wall of the upper die; the upper die is more stably installed through the lifting mechanism, and the upper die can be effectively prevented from deviating in the falling process.

As a further aspect of the present invention: the top end of the forming strip is fixedly provided with a gripper, the forming strip is provided with integrally formed threads, the forming strip is provided with a cylindrical fixing groove, and a forming rod and a fixing block are arranged in the cylindrical fixing groove; the molding strip can be more conveniently assembled and disassembled through the gripper, and the production efficiency is improved.

As a further aspect of the present invention: the forming rod is hollow, a fixing mechanism is arranged in the forming rod, the fixing mechanism comprises a fixing rod, a fixing plate and a fixing spring, the fixing rod comprises a first fixing rod, a second fixing rod and a third fixing rod, the first fixing rod, the second fixing rod and the third fixing rod are respectively hinged with the fixing plate, one end of the fixing spring is fixed on the fixing plate, the other end of the fixing spring is attached to the fixing block, a clamping rod is fixed on the fixing rod, a clamping block is fixed on the forming rod, and a clamping groove is formed in the clamping block; the forming rod can be tightly fixed on the forming strip through the fixing mechanism.

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

1. the utility model provides a cam pin, the structure setting is ingenious and arrange rationally, in the utility model, the connection between the wheel pin body and the mounting is more convenient through screw thread and fixed orifices, the wheel pin body is protected through the protective layer and the sealing rubber ring, the wear resistance and the sealing performance of the wheel pin body are improved simultaneously, and the stability of the connection between the wheel pin body and the connecting device is further improved;

2. the utility model further designs a telescopic rod, which is connected with an upper die through the telescopic rod, thereby facilitating the lifting of the die, further designs a lifting mechanism, and can ensure that the upper die is more stably installed through the lifting mechanism, thereby effectively preventing the upper die from deviating in the falling process and improving the working efficiency and the product quality;

3. the utility model discloses further designed fixed establishment, adjusted the angle between fixed plate and the dead lever through the dead lever, made fixed plate and fixed spring card in the fixed slot to it is fixed with the dead lever through the kelly, ensure that the shaping pole tightly fixes on the shaping strip, during liquid flow in shaping strip when preventing to pour.

Drawings

Fig. 1 is a schematic view of a cam pin.

Fig. 2 is a schematic structural view of a cam pin production apparatus.

Fig. 3 is a schematic structural view of a lifting mechanism in a cam pin production apparatus.

Fig. 4 is a schematic view of a fixing mechanism in a cam pin producing apparatus.

Fig. 5 is a schematic view showing a structure of a chucking lever in a cam pin producing apparatus.

In the figure: 1. a wheel pin body; 11. a protective layer; 12. sealing the rubber ring; 13. a fixing hole; 2. a base; 21. supporting legs; 211. mounting grooves; 22. a support plate; 23. a cylinder; 24. a telescopic rod; 25. a lifting mechanism; 251. a slide rail; 252. A slider; 253. a connecting rod; 3. a mold; 31. an upper die; 311. a feeding pipe; 312. a water inlet pipe; 32. a lower die; 321. a water outlet pipe; 33. forming a groove; 34. a cooling tank; 4. forming a strip; 41. a gripper; 42. a fixed block; 43. fixing grooves; 44. forming a rod; 45. a fixing mechanism; 451. a first fixing lever; 452. a second fixing bar; 453. a third fixing bar; 454. a fixing plate; 455. fixing the spring; 456. a clamping rod; 457. a clamping block; 458. a clamping groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1, the cam pin comprises a pin body 1, a protective layer 11 and a sealing rubber ring 12, wherein corresponding bulges are arranged on the pin body 1, the pin body 1 is hollow, threads which are integrally formed are arranged in the bulges of the pin body 1, a fixing hole 13 is formed below the pin body 1, the sealing rubber ring 12 is fixed in the fixing hole 13 through a bolt, the protective layer 11 covers the surface of the pin body 1, the protective layer 11 is made of silicon rubber, and the pin body 1 is made of iron;

referring to fig. 2-5, the apparatus for producing the cam pin comprises a base 2, a mold 3 and a molding strip 4, wherein the base 2 comprises a base 2, a support leg 21, a support plate 22, a cylinder 23, a telescopic rod 24 and a lifting mechanism 25, the support leg 21 is fixed on the base 2 by welding, an installation groove 211 is formed on the side wall of the support leg 21, the support plate 22 is fixed on the support leg 21 by welding, the cylinder 23 is installed in the support plate 22, and the telescopic rod 24 and the cylinder 23 are fixed together by bolts; the lifting mechanism 25 comprises a slide rail 251, a slide block 252 and a connecting rod 253, the slide rail 251 is fixed in the mounting groove 211 through welding, the slide block 252 is mounted in the slide rail 251, and one end of the connecting rod 253 is fixed with the slide block 252 through welding;

the die 3 comprises an upper die 31 and a lower die 32, a forming groove 33 and a cooling groove 34 are arranged in the lower die 32, the bottom surface of the lower die 32 is fixed on the base 2 through welding, the side wall of the lower die 32 is fixed on the side wall of the supporting leg 21 through welding, the side wall of the upper die 31 is fixed with the other end of the connecting rod 253 through welding, and the top surface of the upper die 31 is fixed with the telescopic rod 24 through welding; a feeding pipe 311 and a water inlet pipe 312 are arranged in the upper die 31, a water outlet pipe 321 is arranged in the lower die 32, the feeding pipe 311 is connected with the forming groove 33, a cooling groove 34 in the upper die 31 is connected with the water inlet pipe 312, a cooling groove 34 in the lower die 32 is connected with the water outlet pipe 321, and valves are arranged in the water inlet pipe 312 and the water outlet pipe 321;

the forming strip 4 comprises a forming strip 4, a hand grip 41, a fixing block 42 and a forming rod 44, the hand grip 41 is fixed on the forming strip 4 through welding, the forming strip 4 is provided with integrally formed threads, the forming strip 4 is provided with a cylindrical fixing groove 43, and the fixing block 42 is fixed in the cylindrical fixing groove 43 through welding;

the forming rod 44 comprises a forming rod 44 body and a fixing mechanism 45, the forming rod 44 is hollow, the fixing mechanism 45 comprises a fixing rod, a fixing plate 454 and a fixing spring 455, the fixing rod comprises a first fixing rod 451, a second fixing rod 452 and a third fixing rod 453, the first fixing rod 451, the second fixing rod 452 and the third fixing rod 453 are hinged to the fixing plate 454 respectively, one end of the fixing spring 455 is fixed to the fixing plate 454 through welding, the other end of the fixing spring 455 is attached to the fixing block 42, a clamping rod 456 is fixed to the fixing rod through welding, a clamping block 457 is fixed to the side wall of the forming rod 44 through welding, and a clamping groove 458 is formed in the clamping block 457; the forming rod 44 can be firmly fixed to the forming strip 4 by the fixing mechanism 45.

In the utility model, the connection between the wheel pin body 1 and the fixing piece is more convenient through the screw thread and the fixing hole 13, the wheel pin itself is protected through the protective layer 11 and the sealing rubber ring 12, the wear resistance and the sealing performance of the wheel pin body 1 are improved, and the stability of the connection between the wheel pin body 1 and the connecting device is further improved; the upper die 31 is connected through the telescopic rod 24, so that the lifting of the die 3 is facilitated, the lifting mechanism 25 is further designed, the upper die 31 can be more stably installed through the lifting mechanism 25, and the upper die 31 can be effectively prevented from deviating in the falling process; the fixing rod is adjusted in angle, so that the fixing plate 454 and the fixing spring 455 are clamped in the fixing groove 43, and the fixing rod is fixed by the clamping rod 456, so that the forming rod 44 is tightly fixed on the forming strip 4, and liquid is prevented from flowing into the forming strip 4 during pouring.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (2)

1. The cam pin comprises a pin body (1) and is characterized in that a corresponding bulge is arranged on the pin body (1), the pin body (1) is hollow, threads which are integrally formed are arranged in the bulge of the pin body (1), a fixing hole (13) is formed below the pin body (1), a sealing rubber ring (12) is fixed in the fixing hole (13) through a bolt, and a protective layer (11) covers the surface of the pin body (1).

2. The cam pin according to claim 1, wherein the material of the protective layer (11) is silicone rubber, and the material of the pin body (1) is iron.

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