CN202805679U - Single point open punch - Google Patents

Abstract

The utility model discloses an open punch press of single-point belongs to stamping equipment technical field. The device comprises a machine body, a crankshaft, a balance block connecting rod, a balance block, a slide block connecting rod, a tooth sawing rod, a steel pipe, a slide block guide pillar and a flywheel; the sliding block connecting rod is vertically connected to the middle eccentric position of the crankshaft through a self-aligning roller bearing, and the other end of the sliding block connecting rod is connected with the saw tooth rod through a connecting rod pin; the steel pipe is sleeved with the tooth sawing rod, and the lower end of the steel pipe is connected with the front upper end of the sliding block; the slide block guide post is vertically fixed on the machine body and slides up and down under the guidance of the slide block; the table plate is fixed on the machine body and is right below the sliding block; eccentric wheels are arranged on two sides of the middle eccentric position of the crankshaft, the eccentric direction of the eccentric wheels is opposite to that of the crankshaft, the balance block connecting rod is vertically connected with the eccentric wheels through deep groove ball bearings, and the other end of the balance block connecting rod is connected with the balance block through the deep groove ball bearings; the balance block guide post is vertically fixed on the machine body and guides the balance block to slide up and down. The single-point open type punch press is high in punching speed, stable in punching and high in precision punching.

Description

Single point open punch

technical field

The utility model relates to the technical field of stamping equipment, in particular to a single-point opening punch press.

Background technique

Traditional punching machines use copper sleeves. Such punching machines have a slow punching speed and can only meet the production of general products. The production efficiency is low, and the punching is not stable enough, so the quality of the products produced is not high.

Utility model content

In order to solve the above problems, the utility model provides a single-point open punching machine with fast punching speed, stable punching and high-precision punching.

The technical scheme adopted by the utility model is: a single-point open punch press, including a body, a crankshaft, a balance block connecting rod, a balance block, a slider connecting rod, a saw tooth rod, a steel pipe, a slider, a slider guide column and a flywheel; The flywheel is driven by the motor, and the flywheel drives the crankshaft to rotate; the crankshaft is limited to the upper end of the body by two self-aligning roller bearings, and the crankshaft rotates in the self-aligning roller bearings; the slider connecting rod is vertically connected to the crankshaft through the self-aligning roller bearings The middle eccentric position and the other end of the slider connecting rod are connected to the saw tooth rod through the connecting rod pin; the steel pipe is sleeved on the saw tooth rod, and the lower end of the steel pipe is connected to the front and upper end of the slider; the rear end of the slider is connected to the slider guide column through a linear bearing, The slider guide column is vertically fixed on the body to guide the slider to slide up and down; the platform is fixed on the body and directly below the slider; eccentric wheels are installed on both sides of the eccentric position in the middle of the crankshaft, and the eccentric direction of the eccentric wheel and the eccentric direction of the crankshaft On the contrary, the connecting rod of the balance weight is vertically connected to the eccentric wheel through the deep groove ball bearing and the other end of the connecting rod of the balance weight is connected with the balance weight through the deep groove ball bearing; The block is vertically fixed on the body, and slides up and down for the guide of the balance block.

In the above technical solution, the steel pipe is provided with a worm gear assembly, which is used to adjust the saw tooth rod to adjust the mold height.

In the above technical solution, the sawtooth bar is locked by the steel pipe through oil pressure.

In the above technical solution, the crankshaft is also connected with a clutch to ensure stable start and stop of the press.

The beneficial effects of the utility model are: the single-point open punch press with the above structure is replaced by a bearing connection and applied to the connection between the crankshaft and the connecting rod, which improves the punching speed of the punch press; the structure of the balance block makes the punch press more stable; the slider Through double guide pillars and three-point positioning of steel pipes, the punching machine can achieve high-precision punching.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the B-B stripped view of the utility model;

Fig. 3 is the C-C peeling view of the utility model;

Fig. 4 is a side view of main components of the utility model;

Fig. 5 is a front view of main components of the utility model;

Fig. 6 is the perspective view of the crankshaft of the present utility model;

Fig. 7 is a perspective view of the eccentric shaft of the utility model.

In the figure, 1, machine body; 2, crankshaft; 3, balance weight connecting rod; 4, balance weight; 5, slider connecting rod; 6, saw tooth rod; 7, steel pipe; 8, slider; Column; 10, flywheel; 11, platform; 12, motor; 13, clutch; 14, self-aligning roller bearing; 15, worm gear assembly; 16, linear bearing; 17, deep groove ball bearing; 18, balance weight guide Column; 19, eccentric wheel; 20, connecting rod pin.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

1 to 7 schematically show a single-point opening punch press according to an embodiment of the present invention.

The single-point open punch press includes a machine body 1, a crankshaft 2, a balance weight connecting rod 3, a balance weight 4, a slider connecting rod 5, a saw tooth rod 6, a steel pipe 7, a slider 8, a slider guide column 9, and a flywheel 10 And table plate 11; Flywheel 10 is driven by motor 12 and rotates, and flywheel 10 is arranged on crankshaft 2 one end, and flywheel 10 drives crankshaft 2 to rotate, and crankshaft 2 is also connected with clutch 13 beside flywheel 10, guarantees punching press stable start and stable stop; Crankshaft 2 The two ends of the crankshaft 2 are connected by two self-aligning roller bearings 14 to limit the upper end of the body 1, and the crankshaft 2 rotates in the self-aligning roller bearings 14; the slider connecting rod 5 is vertically connected to the crankshaft 2 through a self-aligning roller bearing 14 The middle eccentric position of the crankshaft 2 and the other end of the slider connecting rod 5 are connected to the saw tooth rod 6 through the connecting rod pin 20, that is, a self-aligning roller bearing 14 covers the middle eccentric position of the crankshaft 2, and the slider connecting rod 5 covers the The self-aligning roller bearing 14 is at the lower end of the crankshaft 2; the lower end of the slider connecting rod 5 is connected to the upper end of the serrated rod 6 by bolts; the steel pipe 7 is connected to the serrated rod 6, and the steel pipe 7 has a piston connected to the lower end of the serrated rod 6, And press the piston by oil pressure, thereby locking the saw tooth rod 6; the steel pipe 7 is provided with a worm gear assembly 15, and the rotating worm drives the worm gear to rotate, and drives the saw tooth rod 6 to rotate, thereby adjusting the saw tooth rod 6 to adjust the mold height; The lower end of the steel pipe 7 is connected to the front end of the slider 8; the rear end of the slider 8 is connected to the slider guide post 9 through a linear bearing 16, that is, the linear bearing 16 is loaded into the guide post hole at the rear end of the slider 8 and then connected to the slider guide post 9 The slider guide post 9 is vertically fixed on the body 1 to guide the slider 8 to slide up and down; the platform 11 is fixed on the body 1 and directly below the slider 8, and the platform 11 is parallel to the slider 8; the middle eccentric position of the crankshaft 2 Both sides are provided with eccentric wheel 19, and eccentric wheel 19 is stuck on crankshaft 2, and the eccentric direction of eccentric wheel 19 is opposite to the eccentric direction of crankshaft 2, and balance weight connecting rod 3 is vertically connected with eccentric wheel 19 by deep groove ball bearing 17 and and The other end of the balance weight connecting rod 3 is connected to the balance weight 4 through a deep groove ball bearing 17, that is, the deep groove ball bearing 17 is sleeved on the crankshaft 2 and the balance weight connecting rod 3 is connected to the deep groove ball bearing 17, and the balance weight connecting rod 3 is in the The upper end of the crankshaft 2, the deep groove ball bearing 17 is installed on the lower end of the balance weight 4 and connected with the balance weight connecting rod 3; the balance weight 4 is provided with a balance weight guide post 18, and the balance weight guide post 18 passes through the balance weight 4 and is vertically fixed on the body 1, slide up and down for the balance weight 4 guide.

When using the utility model, the motor 12 drives the flywheel 10, the flywheel 10 drives the crankshaft 2 to rotate, the crankshaft 2 and the eccentric wheel 19 rotate to respectively drive the slider connecting rod 5 and the balance block connecting rod 3 to move up and down, thereby driving the slider 8 to punch up and down Carry out the operation, and drive the balance weight 4 to slide up and down to keep the punch press stable.

The above embodiments are only intended to illustrate rather than limit the utility model, so all equivalent changes or modifications made according to the method described in the scope of the patent application of the utility model are included in the scope of the patent application of the utility model.

Claims (4)

1. the single-point open type punch press is characterized in that: comprise body, bent axle, balance weight connecting rod, balance weight, slide block connecting rod, saw tooth bar, steel pipe, slide block, slide block guide post and flywheel; Described flywheel is driven by motor and rotates, and described flywheel drives described bent axle and rotates; Described bent axle is spacing in described body upper end by two self-aligning roller bearings, and described bent axle rotates in described self-aligning roller bearing; Described slide block connecting rod is connecting described saw tooth bar by middle eccentric position and the described slide block connecting rod other end that self-aligning roller bearing is vertically connected on described bent axle by link pin; Described steel pipe socket is followed described saw tooth bar, on described steel pipe lower end is connecting before the described slide block; Described slide block rear end is connected with described slide block guide post by linear bearing, and it is that described slider guide slides up and down that described slide block guide post is vertically fixed on described body; Described dish is fixed on the described body and under described slide block; The middle eccentric position both sides of described bent axle all are provided with eccentric wheel, described eccentric eccentric direction is opposite with the eccentric direction of described bent axle, described balance weight connecting rod by deep groove ball bearing vertically connecting described eccentric wheel and described balance weight connecting rod other end by deep groove ball bearing be connected balance weight and connect; Described balance weight is provided with the balance weight guide pillar, and described balance weight guide pillar passes described balance weight and is vertically fixed on the described body, for described balance weight guiding slides up and down.

2. single-point open type punch press according to claim 1 is characterized in that: be provided with the worm and gear assembly on the described steel pipe, be used for regulating described saw tooth bar to regulate the mould height.

3. single-point open type punch press according to claim 1, it is characterized in that: described saw tooth bar is locked by oil pressure by described steel pipe.

4. single-point open type punch press according to claim 1, it is characterized in that: described bent axle also is connected with clutch, guarantees that punch press is stable to start and stable stopping.

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