CN213714890U

CN213714890U - Sheet punching machine with adjustable product size

Info

Publication number: CN213714890U
Application number: CN202023275609.XU
Authority: CN
Inventors: 朱剑萍
Original assignee: Shandong Tangzheng Testing Co ltd
Current assignee: Shandong Tangzheng Testing Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-07-16
Anticipated expiration: 2030-12-29

Abstract

The utility model belongs to plastic experiment is towards piece equipment field, relates to a product size adjustable punching machine, including the base, the base top is equipped with the objective table, is equipped with punching press mechanism above the objective table, and punching press mechanism includes lead screw assembly, and the hand wheel is connected at the lead screw assembly top, and the lead screw assembly bottom is just to cutting mechanism, and the cutting mechanism both sides are equipped with the bracing piece respectively, and bracing piece one end is connected with lead screw assembly, and another bracing piece is connected with the base, and the bracing piece runs through the movable plate, and the bracing piece periphery between movable plate and the base is; the cutting mechanism comprises a connecting shaft, the connecting shaft penetrates through the movable plate, the top end of the connecting shaft is connected with the rotary table, the cutter is opposite to the objective table, the objective table is arranged on a sliding block matched with the linear track, and the linear track is fixed on the base. The utility model discloses can make test block size and the angle modulation of waiting to cut the appearance spare, and with low costs, fail safe nature is high.

Description

Sheet punching machine with adjustable product size

Technical Field

The utility model relates to a product size adjustable sheet punching machine belongs to plastic experiment towards piece equipment field.

Background

The sheet punching machine is used for cutting rubber, leather and other plastic material samples into standard test pieces, when in use, the samples to be cut are placed on the objective table below the cutter, and the cutter is driven to complete the punching of the samples to be cut; the cutter on the existing sheet punching machine is generally a cutter with a standard shape, and in order to meet the sample requirements of different samples, a plurality of standard cutters need to be purchased, so that the cost is high; however, sometimes the standard-shaped cutter cannot meet the requirements of experiments on the punching of test pieces, and for the punching of the special-shaped test pieces, in the prior art, the test pieces with different sizes and angles are obtained by manually moving and rotating the sample piece to be cut, the cutter easily scratches the hand of an operator, the safety and reliability are low, and the sizes of the moving and rotating sizes and angles of the sample piece cannot be measured, so that the accuracy of the size of the test piece is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a product size adjustable punching machine, can make the sample piece of waiting to be cut by die-cut test piece size and angularly adjustable, satisfy the experiment requirement, and with low costs, fail safe nature is high.

The utility model discloses a punching machine with adjustable product size, including the base, the base top is equipped with the objective table, the objective table top is equipped with punching mechanism, punching mechanism includes the lead screw subassembly, the hand wheel is connected at the lead screw subassembly top, the lead screw subassembly bottom is just to cutting mechanism, the cutting mechanism both sides are equipped with the bracing piece respectively, bracing piece one end and lead screw subassembly are connected, the bracing piece other end and base are connected, the bracing piece runs through the movable plate, the bracing piece periphery between movable plate and the base is equipped with the spring; the cutting mechanism comprises a connecting shaft, the connecting shaft penetrates through a movable plate, the top end of the connecting shaft is connected with a turntable, the bottom of the connecting shaft is connected with a cutter through a magnet, the cutter is opposite to an objective table, the objective table is arranged on a sliding block matched with a linear track, and the linear track is fixed on a base.

The upper part of the turntable is opposite to the screw rod assembly. The arrangement of the springs on the periphery of the supporting rod has the function of supporting the moving plate, after the cutter punching is finished, the screw rod moves upwards, and after the screw rod is separated from the turntable, the moving plate is reset under the action of the elastic force of the springs; on the other hand, when the cutter punches a sample piece to be cut, the buffer effect is achieved, and the safety and reliability are improved. The objective table is fixedly connected with the sliding block, so that the objective table can reciprocate along a linear track. The top of the supporting rod is connected with a screw rod seat of the screw rod component through a nut.

When the special-shaped test piece punching device is used, an operator rotates a hand wheel to enable a lead screw of a lead screw assembly to move downwards, the bottom of the lead screw abuts against a rotary table, a moving plate drives a cutter to move downwards to enable the cutter to punch a first cutter on a sample piece to be cut placed on an objective table, then the hand wheel is reversed to enable the lead screw of the lead screw assembly to move upwards to be separated from the rotary table, and then the angle and the position of the sample piece to be cut are changed by repeatedly rotating the rotary table and moving the objective table, so that the size and the angle of the special-shaped test piece meeting experimental requirements are punched; the test piece meeting the experimental requirements can be obtained without purchasing a plurality of cutters, so that the cost is reduced; in the punching process, an operator does not manually rotate and move the sample piece to be cut, and the safety and reliability are high.

Preferably, the upper part of the moving plate is provided with a bearing, and the connecting shaft is connected with the moving plate through the bearing. The bearing is arranged to enable the turntable to drive the connecting shaft to rotate in the movable plate, so that the cutter connected with the connecting shaft is driven to rotate.

Preferably, two sides of the moving plate below the bearing are respectively provided with a set screw, and the set screws are opposite to the connecting shaft. Fastening set screws on two sides of the moving plate to enable the end faces of the two set screws to clamp the connecting shaft, so that the cutter is prevented from rotating in the process of punching a test piece to be tested and the precision of punching the test piece is prevented from being influenced; the set screw adopts the plum blossom screw, increases the travelling comfort that the operator used.

Preferably, a plurality of small protruding shafts are correspondingly arranged on the outer side wall of the turntable. When the cutter needs to rotate, an operator can hold the small protruding shaft by hands to rotate the turntable, the operation is convenient and fast, meanwhile, the lead screw assembly above the turntable is prevented from hurting the hand, and the safety is high.

Preferably, a handle is arranged on one side of the front surface of the object stage. The operator can hold the handle to move the object stage along the linear track.

Preferably, a plurality of limiting blocks are arranged at the opposite positions of the upper surface of the object stage. The limiting block can limit the position of the sample piece to be cut on the objective table, and the situation that the sample piece to be cut moves when punching the test piece, so that the precision of the test piece is influenced is avoided.

Preferably, the upper surface of the moving plate is provided with angle scales, the turntable is provided with a bulge, and the tip of the bulge points to the angle scales. The angle scale is arranged, so that the rotating angle of the rotary disc can be measured, the rotating angle of the cutter is known, and the measurement of the angle of the punching test piece is realized.

Preferably, the base is provided with size scales, and the size scales are arranged on one side of the linear track. The size scale can measure the moving distance of the sliding block, so that the distance of the cutter at the front position and the rear position of the sample piece to be cut can be known, and the measurement of the length and the size of the cut test piece can be realized.

Compared with the prior art, the utility model beneficial effect who has is:

1. the utility model has reasonable structural design, and realizes the adjustable size and angle of the test piece to be cut by punching through the rotation of the cutter and the movement of the objective table; and various standard cutters are not required to be purchased, so that the cost is reduced.

2. The utility model discloses be equipped with the setting of protruding staff and handle, avoid operating by lead screw and cutter fish tail, fail safe nature improves.

3. The movable plate and the base are respectively provided with angle scales and size scales, so that the angle and the length of the test piece can be measured, and the precision of the test piece is improved.

Drawings

FIG. 1 is a schematic view of a die press with adjustable product size;

FIG. 2 is a partial front view of the combination moving plate and cutting mechanism;

fig. 3, a top view of the moving plate and cutting mechanism combination.

In the figure: 1. a hand wheel; 2. a lead screw; 3. a lead screw seat; 4. a support bar; 5. moving the plate; 6. a spring; 7. a base; 8. a slider; 9. a linear track; 10. a handle; 11. an object stage; 12. a limiting block; 13. dimension calibration; 14. a cutter; 15. tightening the screw; 16. a turntable; 17. a small protruding shaft; 18. a bearing; 19. a magnet; 20. a connecting shaft; 21. Marking a projection; 22. and (6) angle calibration.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1-3, the sheet punching machine with adjustable product size of the present invention comprises a base 7, an objective table 11 is arranged above the base 7, a punching mechanism is arranged above the objective table 11, the punching mechanism comprises a lead screw assembly, a hand wheel 1 is connected to the top of the lead screw assembly, the bottom of the lead screw assembly is opposite to a cutting mechanism, support rods 4 are respectively arranged on two sides of the cutting mechanism, one end of each support rod 4 is connected with the lead screw assembly, the other end of each support rod 4 is connected with the base 7, the support rods 4 penetrate through a moving plate 5, and springs 6 are arranged on the peripheries of the support rods 4; the cutting mechanism comprises a connecting shaft 20, the connecting shaft 20 penetrates through the moving plate 5, the top end of the connecting shaft 20 is connected with the turntable 16, the bottom of the connecting shaft 20 is connected with the cutter 14 through a magnet 19, the cutter 14 is opposite to the objective table 11, the objective table 11 is arranged on a sliding block 8 matched with the linear track 9, and the linear track 9 is fixed on the base 7.

In this embodiment:

the upper part of the moving plate 5 is provided with a bearing 18, and a connecting shaft 20 is connected with the moving plate 5 through the bearing 18. The bearing 18 is arranged to rotate the rotary disc 16 with the connecting shaft 20 in the moving plate 5, thereby rotating the cutter 14 connected with the connecting shaft 20.

Two sides of the moving plate 5 below the bearing 18 are respectively provided with a set screw 15, and the set screws 15 are opposite to the connecting shaft 20. Fastening screws 15 at two sides of the moving plate 5 are fastened, so that the end faces of the two fastening screws 15 clamp the connecting shaft 20, and the cutter 14 is prevented from rotating in the process of punching a test piece to be tested, and the precision of punching the test piece is prevented from being influenced; the set screw 15 is a plum blossom screw, so that the use comfort of an operator is improved.

The outer side wall of the turntable 16 is correspondingly provided with a plurality of small protruding shafts 17. When the cutter 14 needs to rotate, an operator can hold the small protruding shaft 17 by hands to rotate the turntable 16, the operation is convenient and fast, meanwhile, the lead screw assembly above the turntable 16 is prevented from hurting hands, and the safety is high.

A handle 10 is arranged on one side of the front surface of the object stage 11. The operator can hold the handle 10 by hand to move the stage 11 along the linear rail 9.

A plurality of limiting blocks 12 are arranged at the opposite positions of the upper surface of the objective table 11. The position of the sample to be cut on the objective table 11 can be limited by the limiting block 12, so that the sample to be cut is prevented from moving when the test piece is punched, and the precision of the test piece is prevented from being influenced.

The upper surface of the moving plate 5 is provided with an angle scale 22, the turntable 16 is provided with a marking bulge 21, and the tip of the marking bulge 21 points to the angle scale 22. The angle scale 22 is provided to measure the rotation angle of the rotary disc 16, so that the rotation angle of the cutter 14 can be known to measure the angle of the punched test piece.

The base 7 is provided with a size scale 13, and the size scale 13 is arranged on one side of the linear track 9. The dimension scale 13 can measure the moving distance of the slide block 8, so that the distance of the cutter 14 before and after the sample piece to be cut is known, and the measurement of the length dimension of the cut test piece is realized.

Taking the punching of the triangular test piece as an example, in the specific punching process, an operator rotates the hand wheel 1 forward to enable the lead screw 2 of the lead screw assembly to move downwards, the bottom of the lead screw 2 abuts against the turntable 16, so that the moving plate 5 drives the cutter 14 to move downwards, the cutter 14 punches a first cutter for the sample piece to be cut placed on the objective table 11, and the length direction of the punched outline of the first cutter is consistent with the moving direction of the objective table 11; then, reversing the hand wheel 1 to enable the lead screw 2 of the lead screw assembly to move upwards and separate from the rotary table 16, rotating the small protruding shaft 17 to drive the rotary table 16 to rotate to a first angle value required by the pointed end of the marking protrusion 21 pointing to the triangular test piece by taking the first knife as a reference, rotating the hand wheel 1 forwards again to enable the lead screw 2 of the lead screw assembly to move downwards, enabling the bottom of the lead screw 2 to abut against the rotary table 16, and driving the cutter 14 to move downwards by the moving plate 5 so as to drive the cutter 14 to punch the second knife; and the hand wheel 1 is reversed again, so that the screw rod 2 of the screw rod assembly moves upwards and is separated from the rotary table 16, then an operator holds the handle 10 to drive the sample piece to be cut on the objective table 11 to move to a value required by the first side length of the triangular test piece, rotates the small protruding shaft 17 again to drive the rotary table 16 to rotate to a second angle value required by the pointed end of the marking protrusion 21 pointing to the triangular test piece, and then rotates the hand wheel 1 forward to drive the screw rod 2 of the screw rod assembly to move downwards, the bottom of the screw rod 2 supports against the rotary table 16, so that the moving plate 5 drives the cutter 14 to move downwards, and the cutter 14 is driven to punch a third cutter, and the third cutter is intersected with the first cutter and the second cutter to.

According to the shape of the test piece required by the experiment, the turntable 16 and the movable object stage 11 are repeatedly rotated in the same manner as the triangular test piece is punched, so that the cutter 14 repeatedly punches the sample to be punched until the test piece meeting the experimental requirement is obtained. The arrangement of the springs 6 on the periphery of the support rod 4 has the function of supporting the moving plate 5, after the cutter 14 finishes punching, the lead screw 2 moves upwards, and after the lead screw is separated from the turntable 16, the moving plate 5 is reset under the elastic force of the springs 6; on the other hand, when the cutter 14 punches a sample piece to be cut, the buffer function is achieved, and the safety and reliability are improved; the objective table 11 is fixedly connected with the slide block 8, so that the objective table 11 can reciprocate along the linear track 9; the top of the support rod 4 is connected with a screw rod seat 3 of the screw rod component through a nut.

Claims

1. The utility model provides a product size adjustable punching machine, includes base (7), and base (7) top is equipped with objective table (11), and objective table (11) top is equipped with punching press mechanism, and punching press mechanism includes lead screw assembly, and hand wheel (1), its characterized in that are connected at the lead screw assembly top: the bottom of the screw rod assembly is opposite to the cutting mechanism, two sides of the cutting mechanism are respectively provided with a support rod (4), one end of each support rod (4) is connected with the screw rod assembly, the other end of each support rod (4) is connected with the base (7), the support rods (4) penetrate through the movable plate (5), and springs (6) are arranged on the peripheries of the support rods (4) between the movable plate (5) and the base (7); the cutting mechanism comprises a connecting shaft (20), the connecting shaft (20) penetrates through the middle of the moving plate (5), the top end of the connecting shaft (20) is connected with a turntable (16), the bottom of the connecting shaft (20) is connected with a cutter (14) through a magnet (19), the cutter (14) is right opposite to an objective table (11), the objective table (11) is arranged on a sliding block (8) matched with a linear track (9), and the linear track (9) is fixed on a base (7).

2. The die machine of claim 1, wherein: the upper part of the moving plate (5) is provided with a bearing (18), and the connecting shaft (20) is connected with the moving plate (5) through the bearing (18).

3. The die machine of claim 2, wherein: two sides of the moving plate (5) below the bearing (18) are respectively provided with a set screw (15), and the set screws (15) are opposite to the connecting shaft (20).

4. The die machine of claim 1, wherein: the outer side wall of the turntable (16) is correspondingly provided with a plurality of small protruding shafts (17).

5. The die machine of claim 1, wherein: a handle (10) is arranged on one side of the front surface of the objective table (11).

6. The die machine of claim 1, wherein: a plurality of limiting blocks (12) are arranged at the opposite positions of the upper surface of the objective table (11).

7. The die machine of any one of claims 1-6, wherein: the upper surface of the moving plate (5) is provided with angle scales (22), the turntable (16) is provided with a marking bulge (21), and the tip of the marking bulge (21) points to the angle scales (22).

8. The die machine of any one of claims 1-6, wherein: the base (7) is provided with a size scale (13), and the size scale (13) is arranged on one side of the linear track (9).