Positioning clamp for screw tap machining

Abstract

The utility model relates to the field of screw tap machining, and discloses a positioning fixture for screw tap machining, which comprises a fixture mechanism, a positioning mechanism and a positioning mechanism, the clamp mechanism comprises a positioning cylinder, a built-in positioning frame, a vertical plate, a positioning block, a ball head, a spring, a rotating shaft and an arc-shaped force application piece; the connecting head is fixedly arranged at the bottom of the screw tap body, the built-in positioning frame is fixedly installed in the positioning cylinder, the built-in positioning frame and the connecting head are clamped, the vertical plate is fixedly installed at the top of the built-in positioning frame, the positioning block is slidably installed on the vertical plate and clamped with the connecting head, the ball head is fixedly installed on the positioning block, and the screw tap body is fixedly installed on the ball head. The spring is fixedly installed between the ball head and the vertical plate, the rotating shaft is rotationally installed in the positioning cylinder, and the arc-shaped force application piece is fixedly arranged on the outer side of the rotating shaft in a sleeving mode and abuts against the ball head. The screw tap has the following advantages and effects that the screw tap main body can be conveniently and quickly positioned, and the screw tap is relatively convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to tap processing technical field, especially a positioning fixture for tap processing. BACKGROUND

[0002] A tap is a tool for processing internal thread, which can be divided into helical groove tap, blade angle tap, straight groove tap and pipe thread tap according to shape, can be divided into hand tap and machine tap according to use environment, and can be divided into metric, American and British tap according to specification. The tap is the most mainstream processing tool used by manufacturing operators when tapping, and the tap needs to be positioned by using a positioning fixture first before slotting processing.

[0003] The prior art with publication number CN218016240U discloses a positioning device for tap production, which comprises a base, a cavity in the base, a positioning shell connected to the bottom wall of the cavity, a positioning groove formed in the top of the positioning shell, a tap body arranged in the positioning groove, the top end of the tap body extending to the outside of the base, a fixing mechanism comprising two clamping blocks, each clamping block being connected to an activity plate.

[0004] The device can position and clamp the tap at multiple positions, but the fixing process is relatively complicated, resulting in a long time required for fixing the tap and inconvenient use. Therefore, a positioning fixture for tap processing is needed to solve the above problems.

[0005] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present utility model and should not be construed as acknowledging or implying in any form that this information constitutes prior art that is already known to those of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims to provide a positioning fixture for tap processing to solve the above problems.

[0007] The above technical purpose of the utility model is realized by the following technical scheme: a positioning fixture for tap processing, comprising:

[0008] A clamp mechanism for positioning the tap body;

[0009] The clamp mechanism comprises a positioning cylinder, an internal positioning frame, a vertical plate, a positioning block, a ball head, a spring, a rotating shaft and an arc-shaped force applying member;

[0010] The tap body bottom is fixedly provided with a connecting head, the built-in positioning frame is fixedly installed in the inside of the positioning cylinder, the built-in positioning frame is clamped with the connecting head, the vertical plate is fixedly installed at the top of the built-in positioning frame, the positioning block is slidingly installed on the vertical plate and clamped with the connecting head, the ball head is fixedly installed on the positioning block, the spring is fixedly installed between the ball head and the vertical plate, the rotating shaft is rotatably installed in the inside of the positioning cylinder, and the arc-shaped force applying piece is fixedly sleeved outside the rotating shaft and abuts against the ball head.

[0011] The clamp mechanism further comprises a hydraulic cylinder, a pushing disc, a square plate, a gear and a toothed plate.

[0012] The positioning cylinder bottom is fixedly provided with a mounting bracket, and the mounting bracket is provided with a mounting hole.

[0013] The mounting bracket is fixed at a specified position through the bolt.

[0014] The positioning cylinder top is provided with a through hole, and the tap body is in contact with the through hole inner wall.

[0015] The connecting head bottom is provided with a lower positioning groove, and the built-in positioning frame is clamped with the lower positioning groove.

[0016] The connecting head is limited through the above technical scheme.

[0017] The connecting head is provided with a side positioning groove around, and the positioning block is clamped with the side positioning groove.

[0018] The connecting head is limited through the above technical scheme.

[0019] The vertical plate is provided with a sliding hole, and the positioning block is slidingly installed in the sliding hole.

[0020] The pushing disc is below the built-in positioning frame.

[0021] The utility model discloses the beneficial effect is:

[0022] The utility model discloses a fixture mechanism is set up, first the connector on the tap main body is clamped into the built-in positioning frame, then only needs to start the hydraulic cylinder, can make four locating blocks respectively clamped into the side positioning groove of the connector four all around, such convenient and quick positioning processing of tap main body, it is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0024] Figure 1 It is the structure schematic diagram of the positioning fixture for tap machining that the utility model proposes.

[0025] Figure 2 It is the sectional structure schematic diagram of the positioning fixture for tap machining that the utility model proposes.

[0026] Figure 3 It is Figure 2 The structure schematic diagram of A part in.

[0027] Figure 4 It is Figure 2 The structure schematic diagram of B part in.

[0028] In the drawing, 1, tap main body;2, connector;3, positioning cylinder;4, hydraulic cylinder;5, push disc;6, built-in positioning frame;7, vertical board;8, locating block;9, positioning groove;10, ball head;11, spring;12, rotating shaft;13, arc force applying member;14, square plate;15, gear;16, toothed plate;17, mounting frame. DETAILED DESCRIPTION

[0029] In the description of the utility model, need explanation, unless another explicit provision and limitation, the term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements, for ordinary skilled person in the art, can understand the concrete meaning of the above-mentioned term in the utility model through specific circumstances.

[0030] The technical solutions of the utility model will be described clearly and completely in connection with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Referring to Figure 1 , Figure 2 , Figure 3 And Figure 4 , the utility model provides a positioning fixture for tap processing, comprising:

[0032] The fixture mechanism is used for positioning the tap main body 1, and it is to be explained that the fixture mechanism is convenient and fast for positioning the tap main body 1, and is convenient to use;

[0033] The fixture mechanism comprises a positioning cylinder 3, a built-in positioning frame 6, a vertical plate 7, a positioning block 8, a ball head 10, a spring 11, a rotating shaft 12 and an arc force applying piece 13.

[0034] The tap main body 1 is fixedly provided with a connecting head 2 at the bottom, the built-in positioning frame 6 is fixedly installed in the inside of the positioning cylinder 3, the built-in positioning frame 6 is clamped with the connecting head 2, and it is to be explained that the tap main body 1 can be vertically positioned.

[0035] The vertical plate 7 is fixedly installed at the top of the built-in positioning frame 6, the positioning block 8 is slidingly installed on the vertical plate 7 and is clamped with the connecting head 2, the ball head 10 is fixedly installed on the positioning block 8, the spring 11 is fixedly installed between the ball head 10 and the vertical plate 7, the rotating shaft 12 is rotatably installed in the inside of the positioning cylinder 3, and the arc force applying piece 13 is fixedly sleeved on the outside of the rotating shaft 12 and abuts against the ball head 10.

[0036] Through the fixture mechanism, the connecting head 2 is clamped into the built-in positioning frame 6, then four rotating shafts 12 are rotated, the rotating shaft 12 drives the arc force applying piece 13 to rotate, the arc force applying piece 13 drives the ball head 10, the ball head 10 drives the positioning block 8 to move, the four positioning blocks 8 are clamped into the four peripheries of the connecting head 2 at the same time, and the tap main body 1 is conveniently and quickly positioned.

[0037] Specifically, the fixture mechanism further comprises a hydraulic cylinder 4, a push disc 5, a square plate 14, a gear 15 and a toothed plate 16, the hydraulic cylinder 4 is fixedly installed at the bottom of the positioning cylinder 3, the hydraulic rod of the hydraulic cylinder 4 is fixedly connected with the push disc 5, the square plate 14 is fixedly installed at the top of the push disc 5, the gear 15 is fixedly installed on the rotating shaft 12, the toothed plate 16 is fixedly installed on the square plate 14, and the gear 15 is engaged with the toothed plate 16.

[0038] Through the clamp mechanism, the hydraulic cylinder 4 is started, the square plate 14 drives the tooth plate 16 to move up, the tooth plate 16 drives the gear 15 to rotate, and the gear 15 drives the rotating shaft 12 to rotate.

[0039] Specifically, the mounting frame 17 is fixedly arranged at the bottom of the positioning cylinder 3, and a mounting hole is arranged in the mounting frame 17. It should be noted that the mounting frame 17 is fixed at a specified position by bolts.

[0040] Specifically, the positioning cylinder 3 is provided with a through hole at the top, and the tap main body 1 is in contact with the inner wall of the through hole. It should be noted that a sealing ring is embedded in the through hole to prevent impurities from entering the inside of the positioning cylinder 3 through the through hole during processing.

[0041] Specifically, the connecting head 2 is provided with a lower positioning groove at the bottom, and the built-in positioning frame 6 is clamped with the lower positioning groove. The connecting head 2 is provided with a side positioning groove around, and the positioning block 8 is clamped with the side positioning groove. It should be noted that the tap main body 1 can be positioned.

[0042] Specifically, the vertical plate 7 is provided with a sliding hole, and the positioning block 8 is slidingly installed in the sliding hole. The push plate 5 is located below the built-in positioning frame 6. It should be noted that the positioning block 8 can move horizontally.

[0043] Working principle:

[0044] S1: The connecting head 2 is clamped into the built-in positioning frame 6, and the hydraulic cylinder 4 is started, so that the push plate 5 drives the square plate 14 to move up, the square plate 14 drives the tooth plate 16 to move up, the tooth plate 16 drives the gear 15 to rotate, the gear 15 drives the rotating shaft 12 to rotate, and the rotating shaft 12 drives the arc-shaped force applying member 13 to rotate through the rotation of the four rotating shafts 12;

[0045] S2: The arc-shaped force applying member 13 drives the ball head 10 to move, so that the ball head 10 drives the positioning block 8 to move, and the ball head 10 simultaneously presses the spring 11, so that the four positioning blocks 8 are clamped into the four sides of the connecting head 2, which facilitates the positioning of the tap main body 1, and is convenient to use.

[0046] S3: When the tap main body 1 needs to be removed, the hydraulic cylinder 4 is started to make the push plate 5 move down, at this time, the four positioning blocks 8 are all removed from the connecting head 2, then the tap main body 1 is pulled up, and the tap main body 1 can be quickly removed, which is convenient to use.

[0047] The positioning clamp for tap machining is described in detail. The principles and implementation manners of the positioning clamp for tap machining are described by using specific examples in the paper. The above examples are only used to help understand the method and core idea of the positioning clamp for tap machining. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the positioning clamp for tap machining without departing from the principles of the positioning clamp for tap machining, and these improvements and modifications also fall within the protection scope of the positioning clamp for tap machining.

Claims

1. A positioning fixture for tap machining, characterized in that, The utility model relates to a positioning mechanism for tap main body (1) is provided with, including: The positioning mechanism includes positioning cylinder (3), built-in positioning frame (6), vertical board (7), positioning block (8), ball head (10), spring (11), rotating shaft (12) and arc force applying part (13); The tap main body (1) bottom fixedly arranged with connecting head (2), built-in positioning frame (6) is fixedly installed in the inside of positioning cylinder (3), built-in positioning frame (6) with connecting head (2) is clamped, vertical board (7) is fixedly installed at the top of built-in positioning frame (6), positioning block (8) is slidably installed on vertical board (7) and with connecting head (2) clamped, ball head (10) is fixedly installed on positioning block (8), spring (11) is fixedly installed between ball head (10) and vertical board (7), rotating shaft (12) is rotatably installed in the inside of positioning cylinder (3), arc force applying part (13) is fixedly sleeved on the outside of rotating shaft (12) and with ball head (10) abuts. The positioning mechanism further includes hydraulic cylinder (4), push disc (5), square plate (14), gear (15) and toothed plate (16), the hydraulic cylinder (4) is fixedly installed at the bottom of positioning cylinder (3), the hydraulic rod of hydraulic cylinder (4) is fixedly connected with push disc (5), the square plate (14) is fixedly installed at the top of push disc (5), the gear (15) is fixedly installed on rotating shaft (12), the toothed plate (16) is fixedly installed on square plate (14), the gear (15) is engaged with toothed plate (16).

2. The positioning jig for tap machining according to Claim 1, wherein The bottom of positioning cylinder (3) is fixedly provided with mounting bracket (17), and mounting hole is formed in mounting bracket (17).

3. The positioning jig for tap machining according to Claim 1, wherein The top of positioning cylinder (3) is provided with a through hole, and the tap main body (1) is in contact with the inner wall of the through hole.

4. The positioning jig for tap machining according to Claim 1, wherein The bottom of connecting head (2) is provided with a lower positioning groove, and the built-in positioning frame (6) is clamped in the lower positioning groove.

5. The positioning jig for tap machining according to Claim 1, wherein The connecting head (2) is provided with a side positioning groove around, and the positioning block (8) is clamped in the side positioning groove.

6. The positioning jig for tap machining according to Claim 1, wherein The vertical board (7) is provided with a sliding hole, and the positioning block (8) is slidably installed in the sliding hole.

7. The positioning jig for tap machining according to Claim 1, wherein The push disc (5) is located below the built-in positioning frame (6).

8. The positioning jig for tap machining according to Claim 2, wherein ​

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