Single-connecting-rod punching machine

Abstract

The utility model relates to the technical field of punching machines, and discloses a single-connecting-rod punching machine which comprises a machine body, a punching block located at one end in the machine body and an eccentric shaft located at the top end in the machine body, the punching block comprises a hydraulic cylinder arranged at the top end in the machine body, and a sealing ring is arranged at the bottom end of the outer side of the hydraulic cylinder; the transmission connecting rod is arranged at the top of the hydraulic cylinder; the convex block is arranged at one end of the stamping block, and limiting rods are arranged on the two sides of the top of the convex block; the mounting holes are formed in the bottom of the stamping block. Power can be provided for rotation of the eccentric shaft through the rotating motor and the rotating wheel, the eccentric shaft can drive the pressurizing end of the hydraulic cylinder to move up and down through the transmission connecting rod, pressurizing of the hydraulic cylinder is achieved, and the stamping block can be driven to stably move downwards through the hydraulic cylinder, the protruding block and the limiting rod. And plates can be stably punched, so that damage to a forming machine is avoided, and the punching quality of the punching machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of punching machines, in particular to a single-connecting-rod punching machine. Background Art

[0002] Stamping is a forming process that uses a press and a die to apply external force to plates, strips, pipes and profiles to cause them to undergo plastic deformation or separation, thereby obtaining workpieces of the desired shape and size. The stamping machine is the main equipment for stamping processing.

[0003] At present, most stamping processes use an electric motor to drive a flywheel, and through a clutch and transmission gear, a crank-connecting rod mechanism is used to move the slider up and down, driving the stretching die to form the steel plate. This method can easily cause the plate to deform during the stamping process, which can cause burrs on the edges of the formed parts, resulting in low stamping quality of the stamping machine and making it inconvenient for stamping production. Utility Model Content

[0004] The purpose of the present utility model is to provide a single-link punching machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a single-link punching machine, comprising a machine body, a punching block located at one end of the machine body, and an eccentric shaft located at the top end of the machine body, wherein the punching block comprises:

[0006] A hydraulic cylinder is provided at the top end of the machine body, and a sealing ring is provided at the bottom end of the outer side of the hydraulic cylinder;

[0007] A transmission connecting rod is arranged on the top of the hydraulic cylinder;

[0008] A protrusion is provided at one end of the punching block, and limit rods are provided on both sides of the top of the protrusion;

[0009] A plurality of mounting holes are arranged at the bottom of the punching block, and mounting bolts are arranged inside the mounting holes.

[0010] Preferably, a discharge platform is provided at one end of the top of the machine body, a drop hole is provided at the middle position inside the discharge platform, and a waste guide is provided at the position of the discharge platform at the bottom end of the machine body.

[0011] Preferably, bearing seats are provided on both sides of the top of the body, a rotating motor is installed at one end of the top of the body, and a rotating wheel is provided on the outer side of one end of the eccentric shaft.

[0012] Preferably, a mounting plate is provided inside the machine body, the hydraulic cylinder is detachably connected to the machine body via the mounting plate and fixing bolts, and the mounting bolts are detachably connected to the stamping block via mounting holes.

[0013] Preferably, the bottom end of the transmission connecting rod is internally provided with a through hole, the top end of the hydraulic cylinder is provided with a ball head, and the ball head is internally provided with a connecting shaft penetrating into the through hole.

[0014] Preferably, the top end of the transmission connecting rod is internally provided with a mounting groove, the transmission connecting rod is detachably connected with the eccentric shaft through the mounting groove, the two sides of the top of the protruding block are provided with clamping grooves, and the limiting rod is detachably connected with the protruding block through the clamping grooves.

[0015] Preferably, the bottom of the telescopic end of the hydraulic cylinder is provided with a plurality of threaded holes matched with the mounting bolts, and the stamping block is detachably connected with the telescopic end of the hydraulic cylinder through the mounting bolts and the threaded holes.

[0016] Preferably, the two sides of the top of the machine body are provided with clamping grooves, the two sides of the bottom of the material placing table are provided with clamping blocks matched with the clamping grooves, and the material placing table is detachably connected with the machine body through the clamping grooves and the clamping blocks.

[0017] Preferably, the two groups of bearing seats are detachably connected with the machine body through fixing bolts, the two ends of the eccentric shaft penetrate into the interiors of the two groups of bearing seats, and the eccentric shaft is rotationally connected with the machine body through the bearing seats.

[0018] Preferably, the output end of the rotating motor is provided with a belt pulley, the outer sides of the belt pulley and the rotating wheel are provided with a transmission belt, and the rotating motor is detachably connected with the machine body through fixing bolts.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0020] The rotating motor and the rotating wheel can provide power for the rotation of the eccentric shaft, the transmission connecting rod can drive the pressurizing end of the hydraulic cylinder to move up and down, the hydraulic cylinder, the protruding block and the limiting rod can drive the stamping block to stably move downwards, the plate material can be stably stamped, the damage to the forming machine is avoided, and the stamping quality of the stamping machine is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0022] Figure 1 It is a structural schematic view of the utility model.

[0023] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0024] Figure 3 It is a cross-sectional view of the present utility model.

[0025] In the figure: 1. Machine body; 101. Discharging table; 102. Dropping hole; 103. Waste guide plate; 2. Punching block; 201. Hydraulic cylinder; 202. Sealing ring; 203. Transmission connecting rod; 204. Bump; 205. Limit rod; 206. Mounting hole; 207. Mounting bolt; 3. Eccentric shaft; 301. Bearing seat; 302. Rotating motor; 303. Rotating wheel. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-3The utility model provides a single-link punching machine embodiment: a single-link punching machine, including a body 1, a punching block 2 located at one end of the body 1 and an eccentric shaft 3 located at the top of the body 1. The punching block 2 includes: a hydraulic cylinder 201 arranged at the top of the body 1, and a sealing ring 202 is provided at the bottom end of the outer side of the hydraulic cylinder 201, which plays a liquid sealing effect and makes the use effect of the hydraulic cylinder 201 better; a transmission connecting rod 203 arranged at the top of the hydraulic cylinder 201 to realize the transmission of power, which can make the eccentric shaft 3 drives the pressurizing end at the top of the hydraulic cylinder 201 to move up and down; a protrusion 204 is provided at one end of the punching block 2, and limit rods 205 are provided on both sides of the top of the protrusion 204. The limit rods 205 make the up and down movement of the punching block 2 more stable; multiple groups of mounting holes 206 are provided at the bottom of the punching block 2, and mounting bolts 207 are provided inside the mounting holes 206. The punching block 2 can be mounted on the telescopic end of the hydraulic cylinder 201 through the mounting bolts 207 and the mounting holes 206, so that the punching block 2 can be easily replaced.

[0031] Please refer to Figure 1 and Figure 3 A discharge platform 101 is provided at one end of the top of the body 1, which is convenient for placing and supporting the plate to avoid damage to the body 1. A drop hole 102 is provided at the middle position inside the discharge platform 101, which can allow the molded parts to fall out. A waste guide plate 103 is provided at the bottom end of the body 1 at the position of the discharge platform 101 to discharge the waste. Bearing seats 301 are provided on both sides of the top of the body 1. The bearing seats 301 make the rotation of the eccentric shaft 3 more stable. A rotating motor 302 is installed at one end of the top of the body 1, and a rotating wheel 303 is provided on the outside of one end of the eccentric shaft 3. The rotating motor 302 provides power for the rotation of the rotating wheel 303.

[0032] Please refer to Figure 2 and Figure 3, a mounting plate is provided inside the machine body 1, and the hydraulic cylinder 201 is detachably connected to the machine body 1 through the mounting plate and the fixing bolts, so that the hydraulic cylinder 201 is installed inside the machine body 1, and the mounting bolts 207 are detachably connected to the stamping block 2 through the mounting holes 206. The mounting bolts 207 can be disassembled and assembled with the stamping block 2 through the mounting holes 206. A through hole is provided at the bottom end of the transmission connecting rod 203, and a ball head is provided at the top of the hydraulic cylinder 201. The ball head is located at the top of the pressurizing end, and a connecting shaft that passes through the through hole is provided inside the ball head, so that the pressurizing end of the hydraulic cylinder 201 can be connected to the bottom end of the transmission connecting rod 203. The top end of the transmission connecting rod 203 is provided with a mounting hole The driving connecting rod 203 is detachably connected to the eccentric shaft 3 through the mounting groove, so that the driving connecting rod 203 and the eccentric shaft 3 can be installed. Slots are provided on both sides of the top of the protrusion 204. The limit rod 205 is detachably connected to the protrusion 204 through the slot. The limit rod 205 can be installed on the top of the protrusion 204 to make the up and down adjustment of the stamping block 2 more stable. The bottom of the telescopic end of the hydraulic cylinder 201 is provided with multiple groups of threaded holes matching the mounting bolts 207. The stamping block 2 is detachably connected to the telescopic end of the hydraulic cylinder 201 through the mounting bolts 207 and the threaded holes, so that the stamping block 2 can be installed on the telescopic end of the hydraulic cylinder 201, and the stamping block 2 can be replaced and used.

[0033] Please refer to Figure 1 and Figure 3 , both sides of the top of the body 1 are provided with card slots, and both sides of the bottom of the discharge platform 101 are provided with card blocks matching the card slots. The discharge platform 101 is detachably connected to the body 1 through the card slots and the card blocks, and the discharge platform 101 can be installed and replaced. The discharge platform 101 is used to prevent the body 1 from being damaged by stamping. The two sets of bearing seats 301 are detachably connected to the body 1 through fixing bolts, so that the two sets of bearing seats 301 are installed on both sides of the body 1, and the two ends of the eccentric shaft 3 are respectively connected to the two sets of bearing seats 30 1, the eccentric shaft 3 is rotatably connected to the body 1 through the bearing seat 301. The two sets of bearing seats 301 make the rotation of the eccentric shaft 3 more stable. The output end of the rotating motor 302 is provided with a pulley, and the outer side of the pulley and the rotating wheel 303 is provided with a transmission belt to realize power transmission, so that the rotating motor 302 can drive the rotating wheel 303 and the eccentric shaft 3 to rotate. The rotating motor 302 is detachably connected to the body 1 through fixing bolts, and the rotating motor 302 is installed on the top of the body 1.

[0034] Working principle: Before using, the punching machine is fixed and installed. When using, the power is turned on, and the unloading platform 101 is installed on the top of the machine body 1 through the block and the slot. Then the plate is placed on the top of the unloading platform 101. The mounting bolts 207 can be installed inside the punching block 2 through the mounting holes 206, and the punching block 2 can be installed on the telescopic end of the hydraulic cylinder 201 through the mounting bolts 207. The eccentric shaft 3 can be driven to rotate through the pulley, the transmission belt and the rotating wheel 303. The eccentric shaft 3 is driven to rotate through the two sets of bearing seats 301. The rotation of the shaft 3 is more stable. The eccentric shaft 3 can drive the pressurizing end of the hydraulic cylinder 201 to move up and down through the transmission connecting rod 203, thereby pressurizing the hydraulic cylinder 201. The hydraulic cylinder 201 can drive the punching block 2 to move downward. The limiting hole can make the limiting rod 205 and the body 1 move, so that the up and down movement of the punching block 2 is more stable. The sheet can be punched by continuously pressing the punching block 2. The slow pressure can stably punch the sheet, thereby avoiding damage to the forming machine and improving the punching quality of the punching machine.

[0035] The above is only an embodiment of the present invention, and common knowledge such as the specific structure and characteristics of the scheme are not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claim involved.

Claims

1. A single-link punching machine, characterized in that: The invention comprises a machine body (1), a punching block (2) located at one end inside the machine body (1), and an eccentric shaft (3) located at the top end inside the machine body (1), wherein the punching block (2) comprises: A hydraulic cylinder (201) is arranged at the top end of the interior of the machine body (1), and a sealing ring (202) is arranged at the bottom end of the exterior of the hydraulic cylinder (201); A transmission connecting rod (203) is arranged on the top of the hydraulic cylinder (201); A protrusion (204) is provided at one end of the punching block (2), and limiting rods (205) are provided on both sides of the top of the protrusion (204); A plurality of mounting holes (206) are provided at the bottom of the punching block (2), and mounting bolts (207) are provided inside the mounting holes (206).

2. A single-link punching machine according to claim 1, characterized in that: A discharge platform (101) is provided at one end of the top of the machine body (1), a drop hole (102) is provided at the middle position inside the discharge platform (101), and a waste guide plate (103) is provided at the bottom end of the machine body (1) at the position of the discharge platform (101).

3. The single-link punching machine according to claim 1, characterized in that: Bearing seats (301) are provided on both sides of the top of the machine body (1), a rotating motor (302) is installed at one end of the top of the machine body (1), and a rotating wheel (303) is provided on the outer side of one end of the eccentric shaft (3).

4. The single-link punching machine according to claim 1, characterized in that: A mounting plate is provided inside the machine body (1); the hydraulic cylinder (201) is detachably connected to the machine body (1) via the mounting plate and fixing bolts; and the mounting bolts (207) are detachably connected to the punching block (2) via mounting holes (206).

5. The single-link punching machine according to claim 1, characterized in that: A through hole is provided at the bottom end of the transmission connecting rod (203), a ball head is provided at the top end of the hydraulic cylinder (201), and a connecting shaft is provided inside the ball head and penetrates into the through hole.

6. The single-link punching machine according to claim 1, characterized in that: The top end of the transmission connecting rod (203) is provided with a mounting groove, and the transmission connecting rod (203) is detachably connected to the eccentric shaft (3) through the mounting groove. Both sides of the top of the protrusion (204) are provided with a clamping groove, and the limiting rod (205) is detachably connected to the protrusion (204) through the clamping groove.

7. The single-link punching machine according to claim 1, characterized in that: The bottom of the telescopic end of the hydraulic cylinder (201) is provided with multiple groups of threaded holes matching the mounting bolts (207), and the punching block (2) is detachably connected to the telescopic end of the hydraulic cylinder (201) via the mounting bolts (207) and the threaded holes.

8. The single-link punching machine according to claim 2, characterized in that: Both sides of the top of the machine body (1) are provided with card slots, and both sides of the bottom of the material discharging platform (101) are provided with card blocks matching the card slots. The material discharging platform (101) is detachably connected to the machine body (1) via the card slots and the card blocks.

9. The single-link punching machine according to claim 3, characterized in that: The two sets of bearing seats (301) are detachably connected to the machine body (1) via fixing bolts, and the two ends of the eccentric shaft (3) are respectively connected to the interior of the two sets of bearing seats (301), and the eccentric shaft (3) is rotatably connected to the machine body (1) via the bearing seats (301).

10. The single-link punching machine according to claim 3, characterized in that: The output end of the rotating motor (302) is provided with a pulley, and a transmission belt is provided on the outside of the pulley and the rotating wheel (303). The rotating motor (302) is detachably connected to the machine body (1) via a fixing bolt.

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