CN217442443U

CN217442443U - Length detection device

Info

Publication number: CN217442443U
Application number: CN202221332672.9U
Authority: CN
Inventors: 俞利理; 应建飞; 徐立元; 魏海源
Original assignee: Dongfang Risheng Ningbo New Material Co ltd
Current assignee: Dongfang Risheng Ningbo New Material Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-16
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a length detection device, include: the base is provided with a fixed position and a plurality of fixed length positions, and the distance between each fixed length position and the fixed position is unequal; the positioning block is fixedly arranged on the fixing position; and the moving part is arranged on the fixed-length position, and a detection gap is formed between the moving part and the positioning block. The utility model provides a length detection device, it will remove the part and install on different fixed length positions, and the interval between removal part and the locating piece is adjustable to be used for detecting different length size's pole class part, reduces the manufacturing cost of enterprise.

Description

Length detection device

Technical Field

The utility model relates to a measure technical field, more specifically say, relate to a length detection device.

Background

The rod part detection device commonly used in the market at present can be divided into two types according to the detection modes, wherein one type is that whether the specific length of the part reaches the designed length is detected, and a specific graduated scale is arranged on the detection device; the other is a detection form in the upper and lower range of the length tolerance, and a graduated scale is not arranged on the detection device. The existing detection device adopting the length tolerance can only detect a single size, for example, the detection length of 1000mm and the detection length of 1500mm are two sets of independent detection tools, and the production cost of an enterprise is increased.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a length-detecting device, it installs moving part on different fixed length positions, and the interval between moving part and the locating piece is adjustable to be used for detecting different length size's pole class part, reduces the manufacturing cost of enterprise.

The utility model adopts the technical proposal that: there is provided a length detecting device including: the device comprises a strip-shaped base, wherein a fixed position and a plurality of fixed length positions are arranged on the base, and the distances between the fixed length positions and the fixed positions are unequal; the positioning block is fixedly arranged on the fixing position; and the moving part is arranged on the fixed-length position, and a detection gap is formed between the moving part and the positioning block.

After the structure more than adopting, the interval between fixed position and a plurality of fixed length position varies, and removal part detachable installs on fixed length position to in the removal part freely switches on different fixed length positions, make this length detection device's measuring range adjustable. The distance between the moving part and the positioning block is adjustable to detect rod parts with different length sizes, and the production cost of an enterprise is reduced.

According to an embodiment of the present invention, a second multi-step stepped surface is disposed on a side of the moving part adjacent to the positioning block; a plurality of detection gaps are formed between the plurality of step surfaces in the second multi-stage step surface and the positioning blocks respectively, so that rod parts with different length sizes can be detected conveniently.

According to an embodiment of the present invention, a first multi-level step surface is disposed on one side of the positioning block close to the moving part, and the first multi-level step surface and the second multi-level step surface are disposed in parallel; above-mentioned setting makes and forms a plurality of detection stations between first multistage ladder face and the multistage ladder face of second for detect simultaneously and compare a plurality of equal length size's pole class part.

According to an embodiment of the present invention, the moving part includes a moving block and a moving block, the moving block is detachably connected to the base, the moving block is slidably mounted on the moving block, and the second multi-step surface is disposed on the moving block; the movable block is connected with the movable block in a sliding way so as to further adjust the measuring range and achieve the aim of fine adjustment.

According to the utility model discloses an embodiment, keep away from on the movable block another face of second multistage ladder face towards the direction of movable block extends and forms the sliding part, be equipped with on the movable block be used for with sliding part sliding fit's side direction spout.

According to an embodiment of the present invention, the moving component further includes a fine adjustment screw, the fine adjustment screw is in threaded connection with the moving block, and an end portion of the fine adjustment screw extends into the lateral sliding groove to be rotatably engaged with the sliding portion, so as to drive the moving block to move relative to the moving block; the measuring range is controllably adjusted by rotating the fine adjustment screw rod.

According to the utility model discloses an embodiment, the moving part still includes locking screw, locking screw with movable block threaded connection, just locking screw's tip stretches into in the side direction spout with the periphery of sliding part offsets.

According to the utility model discloses an embodiment, be equipped with on the movable block and connect the screw, the movable block passes through connecting screw connect the screw with base threaded connection installs in order to realize detachably on the fixed length position.

According to the utility model discloses an embodiment still includes ball, the lead screw among the ball is rotatably installed on the base, nut among the ball with movable block fixed connection.

According to the utility model discloses an embodiment, one of them fixed length position with interval between the fixed position is 1000mm, another fixed length position with interval between the fixed position is 500mm, 1200mm, 1500mm or 2000 mm.

Drawings

Fig. 1 is a schematic structural diagram of a length detection device according to an embodiment of the present invention;

fig. 2 is a perspective view of a length detection device in an embodiment of the present invention;

FIG. 3 is a partial enlarged view of FIG. 2A;

fig. 4 is a schematic structural diagram of a moving part in an embodiment of the present invention;

fig. 5 is an exploded view of moving parts in an embodiment of the invention;

fig. 6 is a half sectional view of a moving part in an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a length detecting device according to another embodiment of the present invention.

The reference numbers in the figures illustrate:

1. a base; 2. positioning blocks; 3. a moving member; 4. a screw rod; 5. a nut;

2a, a first multi-stage step surface;

31. a moving block; 32. a movable block; 33. fine adjustment of the screw rod; 34. connecting a screw rod; 35. locking the screw rod;

31a, a lateral runner; 31b, connecting screw holes; 31c, locking screw holes;

32a, a second multi-stage step surface; 32b, a sliding part.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the present embodiment provides a length detecting apparatus, including: the base 1 is provided with a fixed position and a plurality of fixed length positions, and the distance between each fixed length position and the fixed position is unequal; the positioning block 2 is fixedly arranged on a fixed position; and a moving part 3, wherein the moving part 3 is arranged at the fixed length position, and a detection gap is formed between the moving part 3 and the positioning block 2.

Further, in the present embodiment, the distance between one of the fixed-length positions and the fixed position is 1000 mm.

Further, in the present embodiment, the distance between the other fixed-length position and the fixed position is 500mm, 1200mm, 1500mm, or 2000 mm.

Further, the fixing manner of the moving member 3 at the fixed-length position includes slidably fixing and detachably fixing.

Further, as shown in fig. 7, in another embodiment, the moving member 3 is slidably mounted at the fixed-length position by a ball screw, a screw 4 of the ball screw is rotatably mounted on the base 1, and a nut 5 of the ball screw is fixedly connected with the moving member 3. The nut 5 is driven to move by rotating the screw rod 4 so as to drive the moving part 3 to move back and forth on the base 1 integrally, and switching of the moving part 3 on different fixed length positions is realized.

Further, in another embodiment, the moving member 3 is slidably mounted at the fixed-length position by a rack-and-pinion, i.e. a gear of the rack-and-pinion is rotatably mounted on the base 1, the rack is movably mounted on the base 1, the rack is engaged with the gear and the rack is fixedly connected with the moving member 3. The rack is driven to move by rotating the gear so as to drive the moving part 3 to move back and forth on the base 1 integrally, and switching of the moving part 3 at different fixed length positions is realized.

Specifically, as shown in fig. 3 and 4, the moving member 3 is provided with a second multistage stepped surface 32a on a side adjacent to the positioning block 2.

Further, in another embodiment, a side of the positioning block 2 adjacent to the moving part 3 is a plane.

Further, in another embodiment, a plurality of step surfaces in the second multi-step surface 32a respectively form a plurality of detection gaps with different lengths with the positioning block 2, so as to detect rod-like parts with different lengths.

Specifically, in the present embodiment, a first multi-step stepped surface 2a is disposed on a side of the positioning block 2 adjacent to the moving part 3, and the first multi-step stepped surface 2a and the second multi-step stepped surface 32a are disposed in parallel.

Further, in this embodiment, a detection gap for detecting the length of the rod-like component is formed between one step plane on the first multi-step plane 2a and one step plane corresponding to the second multi-step plane 32a, and another detection gap is formed between another step plane on the first multi-step plane 2a and another step plane corresponding to the second multi-step plane 32 a.

Furthermore, in this embodiment, when a rod-like component needs to be detected, the edge of the rod-like component abuts against the side surface of the step on the first multi-step surface 2a, so as to complete the positioning of the rod-like component. When another rod part with the same size needs to be detected, the edge of the rod part is abutted against the side face of the step on the second multistage step face 32a, so that the length detection device can detect two slender rod parts at the same time.

Specifically, as shown in fig. 5, the moving part 3 includes a moving block 31 and a moving block 32, the moving block 31 is detachably connected to the base 1 to detachably mount the moving part 3 at a fixed-length position, the moving block 32 is slidably mounted on the moving block 31, and a second multi-step stepped surface 32a is provided on the moving block 32.

Further, the movable block 32 is slidably connected to the movable block 31 to further adjust the measuring range.

Specifically, the moving block 31 is provided with a connecting screw hole 31b, and the moving block 31 is connected with the base 1 through a connecting screw 34 passing through the connecting screw hole 31b to be detachably mounted on the fixed length position.

Specifically, the other surface of the movable block 32 away from the second multi-step stepped surface 32a extends toward the moving block 31 to form a sliding portion 32b, and the moving block 31 is provided with a lateral sliding groove 31a for sliding engagement with the sliding portion 32 b.

Further, in the present embodiment, one side of the moving block 31 facing the positioning block 2 is recessed inwards to form a lateral sliding groove 31a, and the lateral sliding groove 31a is a square sliding groove; a sliding portion 32b is formed on the movable block 32 and extends outwards from a side away from the positioning direction, and the sliding portion 32b is in sliding fit with the lateral sliding groove 31a, so that the movable block 32 can be slidably mounted on the movable block 31.

Specifically, in the present embodiment, the moving block 31 is finely adjusted by the fine adjustment screw 33, the fine adjustment screw 33 is screwed with the moving block 31, and an end of the fine adjustment screw 33 extends into the lateral sliding groove 31a to be rotatably engaged with the sliding portion 32b, so as to drive the moving block 32 to move relative to the moving block 31.

Further, as shown in fig. 6, in the present embodiment, the head of the fine adjustment screw 33 is located outside the moving block 31, the end of the fine adjustment screw 33 away from the head is screwed into the lateral sliding groove 31a and rotatably engaged with the end of the sliding portion 32b, and the measurement range is controllably adjusted by rotating the fine adjustment screw 33.

Furthermore, the thread pitch on the fine adjustment screw 33 is 0.8mm, and the transmission precision of the fine adjustment screw 33 is within 0.02 mm.

Further, in another embodiment, the fine adjustment screw 33 can be replaced by a screw 4 transmission, a gear-rack transmission, or a worm gear transmission.

Specifically, in the present embodiment, the moving block 31 is retracted and fixed by the locking screw 35, that is, the locking screw 35 is screwed with the moving block 31, and the end of the locking screw 35 extends into the lateral sliding groove 31a and abuts against the outer periphery of the sliding portion 32 b.

Further, the moving block 31 is provided with a lock screw hole 31c adapted to the lock screw 35, and the lock screw 35 is screwed into the lock screw hole 31c and abuts against the sliding portion 32 b.

Further, the retraction fixing mode by the locking screw 35 can be replaced by fixing structures such as bayonet, caliper, quick clamping and the like.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A length detection device, comprising:

the device comprises a strip-shaped base (1), wherein a fixed position and a plurality of fixed length positions are arranged on the base (1), and the distances between the fixed length positions and the fixed positions are unequal;

the positioning block (2) is fixedly arranged on the fixed position;

the moving part (3) is installed on the fixed-length position, and a detection gap is formed between the moving part (3) and the positioning block (2).

2. A length detecting device according to claim 1, wherein: one side of the moving part (3) close to the positioning block (2) is provided with a second multistage stepped surface (32 a).

3. A length detecting device according to claim 2, wherein: locating piece (2) are close to one side of moving part (3) is equipped with first multistage ladder face (2 a), just first multistage ladder face (2 a) with second multistage ladder face (32 a) parallel arrangement.

4. A length detecting device according to claim 3, wherein: the moving part (3) comprises a moving block (31) and a moving block (32), the moving block (31) is detachably connected with the base (1), the moving block (32) is slidably mounted on the moving block (31), and the second multi-step stepped surface (32 a) is arranged on the moving block (32).

5. A length detecting device according to claim 4, wherein: the other surface of the movable block (32) far away from the second multistage stepped surface (32 a) extends towards the moving block (31) to form a sliding part (32 b), and a lateral sliding groove (31 a) in sliding fit with the sliding part (32 b) is formed in the moving block (31).

6. A length detecting device according to claim 5, wherein: the moving part (3) further comprises a fine adjustment screw (33), the fine adjustment screw (33) is in threaded connection with the moving block (31), and the end of the fine adjustment screw (33) extends into the lateral sliding groove (31 a) to be rotatably matched with the sliding part (32 b) and is used for driving the moving block (32) to move relative to the moving block (31).

7. A length detecting device according to claim 6, wherein: the moving component (3) further comprises a locking screw (35), the locking screw (35) is in threaded connection with the moving block (31), and the end of the locking screw (35) extends into the lateral sliding groove (31 a) and abuts against the periphery of the sliding portion (32 b).

8. A length detecting device according to claim 4, wherein: the moving block (31) is provided with a connecting screw hole (31 b), and the moving block (31) penetrates through the connecting screw hole (31 b) through a connecting screw rod (34) to be in threaded connection with the base (1) so as to be detachably mounted on the fixed-length position.

9. A length detecting device according to claim 4, wherein: the device is characterized by further comprising a ball screw, a screw rod (4) in the ball screw is rotatably arranged on the base (1), and a nut (5) in the ball screw is fixedly connected with the moving block (31).

10. A length detecting device according to claim 1, wherein: wherein the distance between one of the fixed length positions and the fixed position is 1000mm, and the distance between the other fixed length position and the fixed position is 500mm, 1200mm, 1500mm or 2000 mm.