Shaft part positioning device

Abstract

The utility model discloses a shaft part positioning device which comprises a rectangular positioning plate, a plurality of strip-shaped grooves are formed in an inner cavity of the rectangular positioning plate, a rectangular groove is further formed below the strip-shaped grooves, a first supporting rod is fixedly connected to an inner cavity of the bottom of the rectangular groove, and a telescopic rod is movably connected to an inner cavity of the first supporting rod. The top of the telescopic rod is fixedly connected with a check block, a spring is arranged between the lower end of the telescopic rod and the bottom of an inner cavity of the first supporting rod, a plurality of limiting holes are evenly formed in the middle of the top of the rectangular positioning plate, inner cavities of the limiting holes are in threaded connection with threaded rods, and a fixing mechanism is arranged on the upper portions of the threaded rods. When the shaft part is placed in the strip-shaped groove, firstly, the self weight of the shaft part downwards applies pressure to the stop blocks, then the telescopic rod is compressed, the adjacent stop blocks are tightly adjacent as shown in the figure, the stop blocks on the side faces of the shaft part abut against the two ends of the shaft part at the moment, transverse positioning can be achieved, and using is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a shaft parts positioning device. Background Art

[0002] When deep processing of shaft parts is required, a milling machine is usually used for processing, and a positioning device is required to fix the shaft parts to be processed during processing.

[0003] After searching, China Patent Publication has a patent number of CN219684672U. In this device, a plurality of limiting holes are provided at the bottom of the two positioning grooves at one end of the positioning plate. The limiting column and the positioning plate are threadedly connected through the limiting holes. When positioning shaft parts of different lengths, the limiting column needs to be manually inserted into different limiting holes to quickly position shaft parts of different lengths or to adapt to more types of milling machines. The operation is relatively troublesome and not convenient enough. The positioning block in the device is a flat plate, which can simultaneously fix two shaft parts of the same diameter. If the radius of the shaft parts is different, the positioning block cannot be applied. Therefore, the utility model provides a shaft part positioning device. Utility Model Content

[0004] The purpose of the utility model is to provide a shaft parts positioning device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shaft parts positioning device, comprising a rectangular positioning plate, the inner cavity of the rectangular positioning plate is provided with a plurality of strip grooves, a rectangular groove is further provided below the strip grooves, the inner cavity at the bottom of the rectangular groove is fixedly connected to a first support rod, the inner cavity of the first support rod is movably connected to a telescopic rod, the top of the telescopic rod is fixedly connected to a block, a spring is provided between the lower end of the telescopic rod and the bottom of the inner cavity of the first support rod, a plurality of limiting holes are evenly provided in the middle of the top of the rectangular positioning plate, the inner cavity of the limiting hole is threadedly connected to a screw, and a fixing mechanism is provided on the upper part of the screw.

[0006] As a preferred technical solution of the utility model, the first support rod, telescopic rod and stopper are provided in several groups, and two groups of stoppers adjacent to each other in the transverse direction are abutted against each other. When the first support rod is compressed to the bottom, the top of the stopper is flush with the upper opening of the rectangular groove.

[0007] As a preferred technical solution of the utility model, the upper the strip groove is, the larger the opening cross-sectional area is, and the strip groove is a trapezoidal groove.

[0008] As a preferred technical solution of the utility model, the fixing mechanism includes a horizontal plate, the inner cavity at both ends of the horizontal plate is provided with a through opening, the inner cavity of the through opening is provided with an L-shaped clamping plate matching the diameter of the through opening, the inner cavity of the side plate of the L-shaped clamping plate is provided with a limiting hole, the two sides of the top of the horizontal plate are fixedly connected with fixed retaining rings, the inner cavity of the fixed retaining ring is movably connected with a pull rod, the outer wall of the pull rod is fixedly connected with a fixed block, a second spring is fixedly connected between the fixed block and the fixed retaining ring, and the second spring is also sleeved on the pull rod.

[0009] As a preferred technical solution of the present invention, a wear-resistant pad is provided at the bottom of the L-shaped pallet.

[0010] As a preferred technical solution of the utility model, the limiting holes are continuously opened corrugated strip holes, and the hole diameter of each single limiting hole is equal to the diameter of the pull rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. When the shaft parts are placed in the strip groove, the weight of the shaft parts will first press the stopper downward, and then compress the telescopic rod. Since the adjacent stoppers are arranged to be closely adjacent as shown in the figure, the stoppers on the sides of the shaft parts will abut against the two ends of the shaft parts, thereby realizing lateral positioning and positioning the shaft parts at any position in the strip groove, which is more convenient to use.

[0013] 2. The shaft parts positioning device can fix shaft parts of different diameters. In addition, after the processing is completed, the fixation of the shaft parts is released. Due to the tension of the spring, the shaft parts will be lifted up for a distance, making it easier to take out the shaft parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the fixing mechanism of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the L-shaped card plate of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the first support rod and the telescopic rod of the utility model;

[0018] Figure 5 It is a side view of a rectangular positioning plate of the present utility model.

[0019] In the figure: 1. rectangular positioning plate; 2. strip groove; 3. rectangular groove; 4. first support rod; 5. telescopic rod; 6. block; 7. spring; 8. positioning hole; 9. screw; 10. cross plate; 11. L-shaped clamping plate; 12. limiting hole; 13. fixed retaining ring; 14. pull rod; 15. fixed block; 16. second spring; 17. wear-resistant pad. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides a technical solution for a shaft parts positioning device. The utility model will be further described in detail below in conjunction with the accompanying drawings.

[0022] Embodiment 1:

[0023] A shaft parts positioning device comprises a rectangular positioning plate 1, the inner cavity of the rectangular positioning plate 1 is provided with a plurality of strip grooves 2, the upper opening cross-sectional area of ​​the strip grooves 2 is larger, the strip grooves 2 are trapezoidal grooves, which are convenient for taking and placing shaft parts and reduce the wear between the inner wall of the strip grooves 2 and the shaft parts, a rectangular groove 3 is further provided below the strip grooves 2, the inner cavity at the bottom of the rectangular groove 3 is fixedly connected with a first support rod 4, the inner cavity of the first support rod 4 is movably connected with a telescopic rod 5, the top of the telescopic rod 5 is fixedly connected with a stopper 6, the first support rod 4, the telescopic rod 5, and the stopper 6 are all provided with a plurality of groups, and two groups of stoppers 6 adjacent to each other in the transverse direction are abutted against each other, when the first support rod 4 is compressed to the bottom, the top of the stopper 6 is flush with the upper opening of the rectangular groove 3, a spring 7 is provided between the lower end of the telescopic rod 5 and the bottom of the inner cavity of the first support rod 4, a plurality of positioning holes 8 are evenly provided in the middle of the top of the rectangular positioning plate 1, the inner cavity of the positioning hole 8 is threadedly connected with a screw 9, and a fixing mechanism is provided on the upper part of the screw 9.

[0024] When used specifically, Figure 1 and Figure 4 and Figure 5As shown, mounting plates are provided on both sides of the rectangular positioning plate 1, and connecting holes are opened on the mounting plates. The positioning device can be installed on the mechanical processing equipment by passing bolts through the connecting holes. Then, when the shaft parts are placed in the strip grooves 2, the weight of the shaft parts themselves will first press down on the stopper 6, and then compress the telescopic rod 5. Since the adjacent stoppers 6 are arranged to be closely adjacent as shown in the figure, if the shaft parts are shorter than the strip grooves 2, the stoppers 6 on both sides of the shaft parts will abut against the two ends of the shaft parts, so that lateral positioning can be achieved, and the shaft parts can be positioned at any position in the strip grooves 2. If the length of the shaft parts is greater than the length of the strip grooves 2, only one end will be positioned; then the upper part of the shaft parts is fixed by the fixing mechanism, that is, the shaft parts can be processed by mechanical equipment.

[0025] Embodiment 2:

[0026] The fixing mechanism includes a horizontal plate 10, the inner cavity at both ends of the horizontal plate 10 is provided with a through hole, the inner cavity of the through hole is provided with an L-shaped clamping plate 11 matching the diameter of the through hole, the inner cavity of the side plate of the L-shaped clamping plate 11 is provided with a limiting hole 12, the two sides of the top of the horizontal plate 10 are fixedly connected with a fixed retaining ring 13, the inner cavity of the fixed retaining ring 13 is movably connected with a pull rod 14, the outer wall of the pull rod 14 is fixedly connected with a fixed block 15, and a second spring 16 is fixedly connected between the fixed block 15 and the fixed retaining ring 13.

[0027] Specifically, a wear-resistant pad 17 is provided at the bottom of the L-shaped clamping plate 11 ; the limiting holes 12 are continuously opened corrugated strip holes, and the aperture of each single limiting hole 12 is equal to the diameter of the pull rod 14 .

[0028] When used specifically, Figure 1 and Figure 2 , Figure 3 As shown, first select a suitable positioning hole 8 according to the position of the shaft part and screw the screw 9 into the positioning hole 8. Then, the fixing mechanism fixes the upper part of the shaft part as follows: first, pull the pull rod 14 backward so that the end of the pull rod 14 disengages from the limiting hole 12, and then the L-shaped clamping plate 11 automatically falls until the wear-resistant pad 17 contacts the top of the shaft part, and then continue to press the L-shaped clamping plate 11 downward until it can no longer be pressed down, and then release the pull rod 14. Due to the tension of the second spring 16, the pull rod is reset and inserted into the corresponding positioning hole 8, thereby completing the fixation of the shaft part. The L-shaped clamping plates 11 on both sides can be adjusted separately to fix shaft parts of different diameters.

[0029] After the processing is completed, pull the pull rod 14 again to separate the pull rod 14 from the positioning hole 8. At this time, the spring 7 in the first support rod 4 will rebound upward for a distance, and the upper stopper 6 that was originally pressed on the lower part of the shaft part will lift the shaft part upward, making it easier to remove the shaft part from the strip groove 2.

[0030] The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention. Therefore, the scope of the present invention will only be determined by the appended claims.

Claims

1. A shaft parts positioning device, comprising a rectangular positioning plate (1), characterized in that: The inner cavity of the rectangular positioning plate (1) is provided with a plurality of strip grooves (2), and a rectangular groove (3) is further provided below the strip grooves (2). The inner cavity at the bottom of the rectangular groove (3) is fixedly connected to a first support rod (4), and the inner cavity of the first support rod (4) is movably connected to a telescopic rod (5), and the top of the telescopic rod (5) is fixedly connected to a stopper (6), and a spring (7) is provided between the lower end of the telescopic rod (5) and the bottom of the inner cavity of the first support rod (4). A plurality of positioning holes (8) are evenly provided in the middle of the top of the rectangular positioning plate (1), and the inner cavity of the positioning hole (8) is threadedly connected to a screw rod (9), and a fixing mechanism is provided on the upper part of the screw rod (9).

2. A shaft parts positioning device according to claim 1, characterized in that: The first support rod (4), the telescopic rod (5) and the stopper (6) are arranged in a plurality of groups, and two groups of stoppers (6) adjacent to each other in the transverse direction are attached to each other. When the first support rod (4) is compressed to the bottom, the top of the stopper (6) is flush with the upper opening of the rectangular groove (3).

3. A shaft parts positioning device according to claim 1, characterized in that: The opening cross-sectional area of ​​the strip-shaped groove (2) increases as it moves toward the top, and the strip-shaped groove (2) is a trapezoidal groove.

4. A shaft parts positioning device according to claim 1, characterized in that: The fixing mechanism comprises a horizontal plate (10), the inner cavity at both ends of the horizontal plate (10) is provided with a through opening, the inner cavity of the through opening is provided with an L-shaped clamping plate (11) matching the diameter of the through opening, the inner cavity of the side plate of the L-shaped clamping plate (11) is provided with a limiting hole (12), the two sides of the top of the horizontal plate (10) are fixedly connected with a fixed retaining ring (13), the inner cavity of the fixed retaining ring (13) is movably connected with a pull rod (14), the outer wall of the pull rod (14) is fixedly connected with a fixed block (15), and a second spring (16) is fixedly connected between the fixed block (15) and the fixed retaining ring (13).

5. A shaft parts positioning device according to claim 4, characterized in that: A wear-resistant pad (17) is provided at the bottom of the L-shaped clamping plate (11).

6. A shaft parts positioning device according to claim 4, characterized in that: The limiting holes (12) are continuously opened corrugated strip holes, and the hole diameter of each single limiting hole (12) is equal to the diameter of the pull rod (14).

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