CN215893479U

CN215893479U - Central aperture measuring device of wire drawing die

Info

Publication number: CN215893479U
Application number: CN202122269507.5U
Authority: CN
Inventors: 朱宏治
Original assignee: Jiangsu Honghu Precision Mould Co ltd
Current assignee: Jiangsu Honghu Precision Mould Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-22
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a device for measuring the central aperture of a wire drawing die, which relates to the field of wire drawing dies and comprises a central plate, wherein limiting rods are fixedly connected above two sides of the central plate, one ends of the limiting rods, far away from the central plate, are connected with a movable plate in a sliding manner, screw rods are rotatably connected below the side surface of the central plate, two ends of each screw rod are in threaded connection with the movable plate, an upper slide rod is fixedly connected above the outer side of the movable plate, one end of each upper slide rod, far away from the movable plate, is connected with a movable rod in a sliding manner, the bottom of each movable rod is fixedly connected with a measuring head, a positioning rod is fixedly connected in the middle of the inner side of the measuring head, one end of each positioning rod, far away from the measuring head, is connected with the side surface below the movable plate in a sliding manner, the inner side edge of the measuring head is fixedly connected with a reset spring, and one end of the reset spring, far away from the measuring head, is fixedly connected below the movable plate. According to the utility model, the measuring needle, the measuring head and the reset spring are arranged, so that the measuring needle can be attached to the inner part of the central aperture of the wire drawing die, and the aperture data can be accurately measured.

Description

Central aperture measuring device of wire drawing die

Technical Field

The utility model relates to the field of wire drawing dies, in particular to a device for measuring the central aperture of a wire drawing die.

Background

The wire drawing die is used for carrying out pressure processing on a series of industrial products such as metal, diamond or diamond, the area of the wire drawing die can be compressed under the action of external force, the required shape and size can be obtained through an internal die hole of the die, and the wire drawing die is widely used in the fields of electronic devices and high-precision materials. The pore diameter measurement is one of the main contents of the length measurement technology, and for the measurement of the diameter of the pore, there are measurement methods such as direct measurement, indirect measurement and comprehensive measurement. The wire drawing die mostly adopts the central aperture to carry out wire drawing forming on various materials, so the measurement of the central aperture of the wire drawing die is very necessary.

The accurate measurement wire drawing mould centre bore need get into inside, and the inner wall surface of wire drawing mould centre bore is very smooth, and is the curved surface, and the hole is less from this, and direct measurement is very inconvenient, causes the error great easily, leads to the inaccurate to the data record of the silk of pulling out, influences the production procedure afterwards. In order to solve the above problems, it is necessary to provide a device for measuring the central aperture of a drawing die.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the central aperture measuring device of the wire drawing die is provided, and the technical scheme solves the problems that the central aperture of the wire drawing die for accurate measurement provided in the background technology needs to enter the central aperture of the wire drawing die, the surface of the inner wall of the central aperture of the wire drawing die is very smooth and is a curved surface, so that the aperture is small, direct measurement is very inconvenient, errors are easily caused to be large, the data record of drawn wires is inaccurate, and the subsequent production process is influenced.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

the utility model provides a wire drawing mould central aperture measuring device, including well core plate, the equal fixedly connected with gag lever post in well core plate both sides top, the one end sliding connection that well core plate was kept away from to the gag lever post has the movable plate, well core plate side below is rotated and is connected with the screw rod, the equal threaded connection in both ends of screw rod has the movable plate, slide bar in the top fixedly connected with in the movable plate outside, the one end sliding connection that the movable plate was kept away from to the upper slide bar has the movable rod, the fixedly connected with measuring head in the middle of the measuring head inboard, the one end and the movable plate below side sliding connection of measuring head are kept away from to the locating rod, the inboard marginal fixed connection reset spring of measuring head, reset spring keeps away from the one end fixed connection of measuring head in the movable plate below.

Preferably, the top of the central plate is fixedly connected with a scale, the top of the movable rod is fixedly connected with a left side plate, the outer side of the top of the left side plate is fixedly connected with measuring needles, and the distance between the measuring needles is equal to the distance between the outer ends of the measuring heads.

Preferably, the scale surface is marked with a scale.

Preferably, the outer side below the moving plate is fixedly connected with a lower sliding rod, and one end, far away from the moving plate, of the lower sliding rod is connected with a movable rod in a sliding manner.

Preferably, threads are arranged in the joints of the two moving plates and the screw, and the directions of the two threads are opposite.

Preferably, the outer end of the measuring head is hemispherical.

Preferably, the two movable rods, the moving plate and the measuring head are symmetrically distributed on two sides of the central plate.

Compared with the prior art, the utility model provides a device for measuring the central aperture of a wire drawing die, which has the following beneficial effects:

1. by arranging the measuring needles, the measuring heads and the return springs, when in measurement, the measuring heads only need to enter the central aperture of the wire drawing die, the position of the measuring device is properly adjusted, and the data of the central aperture of the wire drawing die can be measured according to the readings of the two measuring needles, the measuring heads can conveniently enter the central aperture of the wire drawing die, and the surfaces of the measuring heads are spherical surfaces, so that the measuring heads can be attached to the inside of the central aperture of the wire drawing die, and the aperture data can be accurately measured;

2. through setting up screw rod and gag lever post, when measuring the very big wire drawing mould central aperture of big size difference, can adjust equidistant between two measuring heads for two measuring heads surpass wire drawing mould central aperture size slightly just, thereby make the scope in wire drawing mould central aperture that this measuring device can measure great, the suitability is better.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

The reference numbers in the figures are:

101. a sliding rod is arranged; 102. a screw; 103. a movable rod; 104. moving the plate; 105. a scale; 106. a limiting rod; 107. a center plate; 108. a left side plate; 109. a measuring tip;

201. positioning a rod; 202. a return spring; 203. a lower sliding rod; 204. a measuring head.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-2, a device for measuring the central bore diameter of a drawing die comprises a central plate 107, the upper parts of two sides of the central plate 107 are fixedly connected with limit rods 106, one end, far away from the central plate 107, of each limit rod 106 is connected with a movable plate 104 in a sliding mode, a screw 102 is rotatably connected below the side face of the central plate 107, two ends of each screw 102 are connected with the movable plates 104 in a threaded mode, an upper sliding rod 101 is fixedly connected above the outer side of each movable plate 104, one end, far away from the movable plates 104, of each upper sliding rod 101 is connected with a movable rod 103 in a sliding mode, the bottom of each movable rod 103 is fixedly connected with a measuring head 204, the middle of the inner side of the measuring head 204 is fixedly connected with a positioning rod 201, one end, far away from the measuring head 204, of each positioning rod 201 is connected with the side face of the lower part of the corresponding movable plate 104 in a sliding mode, the edge of the inner side of the measuring head 204 is fixedly connected with a return spring 202, and one end, far away from the measuring head 204, of the return spring 202 is fixedly connected below the movable plates 104;

referring to fig. 1, when the distance between the two measuring heads 204 is increased, the screw 102 is screwed, and because the threads in the joints of the two moving plates 104 and the screw 102 are opposite, the two moving plates 104 move at equal intervals along the limiting rod 106 in the direction away from the central plate 107, and when the interval between the two measuring heads 204 slightly exceeds the size of the central aperture of the drawing die, the adjustment is completed;

referring to fig. 1, when the distance between the two measuring heads 204 is reduced, the screw 102 is screwed in reverse, and because the threads in the joints of the two moving plates 104 and the screw 102 are opposite, the two moving plates 104 move at equal intervals along the limiting rods 106 in the direction close to the central plate 107, and when the distance between the two measuring heads 204 slightly exceeds the size of the central aperture of the drawing die, the adjustment is completed;

referring to fig. 1 and 2, when measuring the central aperture of the drawing die, the distance between the two measuring heads 204 is adjusted in advance, the central aperture of the drawing die is aligned, the device is moved down, so that the two measuring heads 204 enter the central aperture of the drawing die, and due to the action of the return spring 202, the two measuring heads 204 are extruded and slid along the directions of the upper slide bar 101 and the lower slide bar 203 and tightly pressed against the inner wall of the central aperture of the drawing die in the process of entering the central aperture of the drawing die, and since the distance between the two measuring needles 109 is equal to the distance between the outer ends of the two measuring heads 204, the distance between the two measuring heads 204 can be obtained according to the indication number of the scale 105, but this is not the data of the central aperture of the drawing die, and the obtained reading is firstly increased and then decreased along the direction perpendicular to the plane of the device, the maximum value of the reading is recorded, namely the diameter of the central aperture of the wire drawing die.

Specifically, the scale 105 is fixedly connected to the top of the central plate 107, the left side plate 108 is fixedly connected to the top of the movable rod 103, the measuring needles 109 are fixedly connected to the outer side of the top of the left side plate 108, and the distance between the two measuring needles 109 is equal to the distance between the outer ends of the two measuring heads 204.

The scale 105 is marked on its surface with graduations.

A lower sliding rod 203 is fixedly connected to the outer side of the lower part of the moving plate 104, and a movable rod 103 is connected to one end, far away from the moving plate 104, of the lower sliding rod 203 in a sliding manner.

Threads are arranged in the joints of the two moving plates 104 and the screw 102, and the directions of the two threads are opposite.

The measuring head 204 is hemispherical at its outer end.

The two movable rods 103, the moving plate 104 and the measuring head 204 are symmetrically distributed on two sides of the central plate 107.

The working principle and the using process of the utility model are as follows: by arranging the measuring needles 109, the measuring head 204 and the return spring 202, when measuring, the measuring head 204 only needs to enter the central aperture of the wire drawing die, and the position of the measuring device is properly adjusted, so that the data of the central aperture of the wire drawing die can be measured according to the readings of the two measuring needles 109, the measuring head 204 can conveniently enter the central aperture of the wire drawing die, and the surface of the measuring head 204 is a spherical surface, so that the measuring head can be attached to the inside of the central aperture of the wire drawing die, and the aperture data can be accurately measured; through setting up screw 102 and gag lever post 106, when measuring the very big wire drawing mould central aperture of size difference, can adjust equidistant between two measuring heads 204 for two measuring heads 204 are just slightly surpassed wire drawing mould central aperture size, thereby make the scope of the wire drawing mould central aperture that this measuring device can measure great, and the suitability is better.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A central aperture measuring device of a wire drawing die is characterized by comprising a central plate (107), limiting rods (106) are fixedly connected above two sides of the central plate (107), one ends, far away from the central plate (107), of the limiting rods (106) are slidably connected with a movable plate (104), a screw (102) is rotatably connected below the side face of the central plate (107), two ends of the screw (102) are respectively in threaded connection with the movable plate (104), an upper slide rod (101) is fixedly connected above the outer side of the movable plate (104), one end, far away from the movable plate (104), of the upper slide rod (101) is slidably connected with a movable rod (103), the bottom of the movable rod (103) is fixedly connected with a measuring head (204), a positioning rod (201) is fixedly connected in the middle of the inner side of the measuring head (204), one end, far away from the measuring head (204), of the positioning rod (201) is slidably connected with the side face below the inner side movable plate (104), and a reset spring (202) is fixedly connected to the edge of the measuring head (204), one end of the return spring (202) far away from the measuring head (204) is fixedly connected below the moving plate (104).

2. The device for measuring the central aperture of the wire drawing die as claimed in claim 1, wherein: the measuring device is characterized in that a scale (105) is fixedly connected to the top of the central plate (107), a left side plate (108) is fixedly connected to the top of the movable rod (103), measuring needles (109) are fixedly connected to the outer side of the top of the left side plate (108), and the distance between the measuring needles (109) is equal to the distance between the outer ends of the measuring heads (204).

3. The device for measuring the central aperture of the wire drawing die as claimed in claim 2, wherein: the surface of the scale (105) is marked with scales.

4. The device for measuring the central aperture of the wire drawing die as claimed in claim 1, wherein: the outer side of the lower part of the moving plate (104) is fixedly connected with a lower sliding rod (203), and one end, far away from the moving plate (104), of the lower sliding rod (203) is connected with a movable rod (103) in a sliding mode.

5. The device for measuring the central aperture of the wire drawing die as claimed in claim 1, wherein: threads are arranged in the joints of the two moving plates (104) and the screw (102), and the directions of the two threads are opposite.

6. The device for measuring the central aperture of the wire drawing die as claimed in claim 1, wherein: the outer end of the measuring head (204) is hemispherical.

7. The device for measuring the central aperture of the wire drawing die as claimed in claim 1, wherein: the two movable rods (103), the moving plate (104) and the measuring head (204) are symmetrically distributed on two sides of the central plate (107).