CN212371349U - Die handle with direction function - Google Patents

Abstract

The utility model discloses a die stock with direction function belongs to the die stock field, include the die stock body and fix the lever part of pulling that die stock body both sides and symmetry set up, die stock body internal rotation is connected with presss from both sides tight hand wheel, press from both sides tight hand wheel lower part a plurality of spouts, every have evenly been seted up around the die stock body all be provided with the edge in the spout round trip movement's movable jack catch, press from both sides tight hand wheel and every movable jack catch threaded connection, the bottom surface that presss from both sides tight hand wheel is provided with first plane screw thread, every movable jack catch upper portion be provided with first plane screw thread matched with second plane screw thread. Each movable clamping jaw is far away from the center of the die holder body when the hand wheel is tightened in a rotating mode, the dies are arranged in the die holder body, the clamping hand wheel is rotated reversely, so that the movable clamping jaws are close to the center of the die holder body, the dies are clamped tightly, the movable clamping jaws are driven to open and close through the rotating clamping hand wheel, and clamping of the dies with different specifications is achieved.

Description

Die handle with direction function

Technical Field

The utility model belongs to the technical field of die stock body, it relates to a die stock with direction function specifically.

Background

The screw die is equivalent to a nut with high hardness, a plurality of chip removal holes are formed around the screw hole, and cutting cones are generally ground at two ends of the screw hole. The threading die can be arranged in a threading die spanner for manually processing threads, and can also be arranged in a threading die frame body for use on a machine tool.

The die stock body is a manual rotating tool for clamping dies. The die handle body is used for machining threads, has the characteristics of simple principle and convenience in use, and is widely applied to single-piece and small-batch production and repair.

An authorized bulletin number CN202263995U discloses a die stock body with right function, specifically includes die stock body, adjusting nut, the die stock body under be equipped with adjusting nut, the die stock body and adjusting nut's the center of through-hole on same straight line. The die handle body is internally provided with a chip separating groove. Compared with the prior art, the beneficial effects of the utility model are that: the device adopts adjusting nut to restrict the radial play of work piece, the effectual yield that improves the mantle fiber operation, and then has improved work efficiency to the device simple structure, convenient to use, the chip groove that sets up in the die stock body gives the space that the sweeps that produces was saved in the mantle fiber operation, provides convenient condition for the smooth completion of mantle fiber operation.

The authorization notice number CN203356780U discloses a die stock body provided with a guide sleeve, which specifically comprises a stock body, a die mounting hole and the guide sleeve, wherein the guide sleeve is fixedly arranged at the front end of the stock body of the die stock body through a screw; the guide sleeve is provided with a guide hole, and the diameter of the guide hole is matched with that of a part to be processed and is in clearance fit with the part to be processed; after the guide sleeve is installed on the die stock body, the guide hole coincides with the central axis of the die stock body and the die. The utility model discloses on the basis that improves work efficiency, the quality of the part of processing has also guaranteed, just the utility model discloses simple structure, convenient operation has higher market application spreading value.

The above patents have the following disadvantages: the die stock body can only be matched with dies with corresponding functions, the universality is poor, if various threads need to be machined in actual machining or student practice, the die stock body with a plurality of specifications needs to be equipped, and the carrying is inconvenient and the cost is increased; in addition, the existing die stock body has the defects of poor stability in operation and the like due to unreasonable balance weight (the weight of the middle fixed die part is insufficient). The operator often has the problems of deviation of a threaded sleeve, bending of a workpiece, falling of a thread tip and the like due to careless operation, so that the processing quality of the threading workpiece is influenced. Students often fail practice works due to lack of experience and tense emotion, and practice teaching quality is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a die stock with direction function to solve above-mentioned current die stock body can only cooperate the die of corresponding function to use, the defect that the commonality is poor.

The utility model adopts the technical scheme as follows:

the die stock with the guiding function comprises a die stock body and pull rod parts which are fixed on two sides of the die stock body and symmetrically arranged, wherein a clamping hand wheel is rotationally connected in the die stock body, a plurality of sliding grooves are uniformly formed in the periphery of the die stock body on the lower portion of the clamping hand wheel, the sliding grooves are located in the same horizontal plane, movable clamping jaws which move back and forth along the sliding grooves are arranged in each sliding groove, the clamping hand wheel is in threaded connection with each movable clamping jaw, first plane threads are arranged on the bottom surface of the clamping hand wheel, and second plane threads matched with the first plane threads are arranged on the upper portions of the movable clamping jaws.

The working principle is as follows: when the clamping device is used, the clamping hand wheel is rotated (driven), the first plane thread rotates to drive the second plane thread to rotate, each movable jaw is far away from the center (horizontal plane) of the die holder body, dies are arranged in the die holder body (one side of the die holder body clamping hand wheel faces upwards), then the clamping hand wheel is rotated reversely to enable the movable jaws to be close to the center of the die holder body, the dies are clamped, the movable jaws are installed in the sliding grooves to ensure that the movable jaws can only move linearly along the sliding grooves, the axis of a workpiece to be machined coincides with the axis of the movable jaws, gaps are reserved at the end parts when the movable jaws are closed towards the center, the circumference formed by the movable jaws is slightly larger than the circumference of the thread of the workpiece to be machined, and the guiding function. Through the tight hand wheel of clamp on the die stock body, a plurality of spouts, activity jack catch in every spout, the setting of first plane screw thread and second plane screw thread, the center of die stock body is kept away from to each activity jack catch when rotatory step up the hand wheel, it is originally internal to arrange the die stock in, later the tight hand wheel of reverse rotation clamp makes activity jack catch be close to the center of die stock body, press from both sides the die, through the opening and shutting of rotatory tight hand wheel drive activity jack catch of clamp, realize the clamp to different specification dies, the die that has solved above-mentioned current die stock body can only cooperate corresponding function uses, the defect that the commonality is poor.

Further, the spout is provided with three, and radially the equipartition is in on the die stock body, every all be provided with in the spout the activity jack catch. The included angle between the adjacent chutes is 120 degrees and is evenly distributed, namely, the included angle between the movable clamping jaws is 120 degrees and is evenly distributed, and the clamping effect is best by utilizing the principle that the triangle has stability.

Furthermore, each movable jaw comprises a convex-shaped sliding block, a fixed block positioned at the bottom of the sliding block and a fixed plate positioned at the top of the sliding block, and the upper part of the fixed plate is provided with the second plane threads. The slider of type has increased the area of contact with the spout, and is spacing effectual to the slider, and is stable firm, and the fixed block has realized holding tightly the direction function of threading die, and the setting up of fixed plate makes things convenient for processing second plane screw on the one hand, and on the other hand has further increased the area of contact with the spout, makes the more steady round trip movement in the spout of activity jack catch.

Further, the slider, the fixed block, the fixed plate and the second plane thread are integrally formed. The processing is convenient, one step targets in place, labour saving and time saving during the installation.

Furthermore, the shape of the sliding groove is the same as the shape of the longitudinal section of the sliding block, the fixing plate and the second plane thread, the width of the fixing block is larger than the width of the bottom of the sliding block, and the width of the fixing plate is larger than the width of the top of the sliding block. The width of fixed plate is greater than the top width of slider, plays limiting displacement to the slider, makes the slider steadily remove, prevents to break away from the spout, and the die stock body of spout top both sides supports the fixed block, and the fixed block plays the effect of pushing down simultaneously, and the fixed block makes a round trip steady removal along with slider and fixed plate in the spout.

Furthermore, each fixing block is provided with a threaded hole along the direction of the sliding groove, and a guide rod is connected to the threaded hole in an internal thread mode. The guide rod is adjusted through threads, so that the circumference formed by one end close to the center is slightly larger than the circumference of the threads of the machining workpiece, and the guide function is realized.

Furthermore, one end of each guide rod, which is attached to the processing workpiece, is provided with an arc surface, and the other end of each guide rod is provided with a handle. The contact area of the workpiece is increased due to the arrangement of the arc surface, the clamping effect is good for better fitting of the clamped plate teeth, and the guide rod is convenient to rotate due to the arrangement of the handle.

Furthermore, a plurality of first screw holes are formed in the periphery of the die stock body, each first screw hole is internally provided with a first fastening screw, and the first fastening screws are in threaded connection with the first screw holes. Preferably, there are three first screw holes, and evenly distributed is in die stock body periphery, and is located in the same horizontal plane, and there is first screw thread in the first screw hole, has on the first fastening screw with first screw thread matched with second screw thread, first fastening screw plays the effect of supplementary circumference location to the die after pressing from both sides tightly.

Further, the upper portion of pressing from both sides tight hand wheel is provided with the setting element of pressing from both sides tight hand wheel, the setting element is annular cushion and is located the inboard of hand (hold), be provided with at least three second screw hole on the setting element, preferably four the second screw hole, second screw hole evenly distributed is in the upper portion a week of setting element, every be provided with second fastening screw (not shown) in the second screw hole, second fastening screw and second screw hole screw-thread fit, and second fastening screw fixes in die handle body main part, plays limiting displacement to pressing from both sides tight hand wheel, makes when guaranteeing the tight hand wheel of location clamp and press from both sides tight hand wheel and can normal rotation.

The upper part of the clamping hand wheel is the upper part of the side where the handle is positioned. The positioning piece is matched with the die stock body, the clamping hand wheel is not pressed to be dead, but the positioning piece plays a role in positioning, and the clamping hand wheel is ensured to rotate in the same circumferential plane of the die stock body.

The through hole in the middle of the annular cushion block of the positioning piece is used for processing a workpiece to pass through.

Furthermore, the pulling rod component comprises inserting cylinders symmetrically fixed on two sides of the die stock body and pulling rods in threaded connection with the inserting cylinders. The screw thread fixing device is characterized in that a third thread is arranged in the inserting cylinder, a fourth thread matched with the third thread is arranged on the pulling rod, the pulling rod is fixed in the inserting cylinder in a threaded mode when the screw thread fixing device is used, the pulling rod is rotated to drive the die holder body and the dies to rotate, threads are machined on a workpiece, and the pulling rod is detached from the inserting cylinder after the use is finished and is convenient to store.

Furthermore, handles are symmetrically arranged on two sides of the upper part of the clamping hand wheel. The handle is convenient to hold by hand, the clamping hand wheel is driven to rotate by rotating the handle, so that the first plane thread rotates, and the movable clamping jaw can be driven to move back and forth in the sliding groove due to the fact that the second plane thread is matched with the first plane thread.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, through the arrangement of the clamping hand wheel, the plurality of chutes, the movable claws in each chute, the first plane threads and the second plane threads on the die stock body, each movable claw is far away from the center of the die stock body when the hand wheel is rotationally tightened, the dies are arranged in the die stock body, then the clamping hand wheel is reversely rotated to make the movable claws close to the center of the die stock body, the dies are clamped, and the movable claws are driven to open and close by rotating the clamping hand wheel, so that the dies with different specifications are clamped;

2. the included angle between the adjacent sliding grooves is 120 degrees and is uniformly distributed, namely, the included angle between the movable clamping jaws is 120 degrees and is uniformly distributed, and the clamping effect is best by utilizing the principle that the triangle has stability;

3. the convex-shaped sliding block increases the contact area with the sliding chute, the limiting effect on the sliding block is good, the sliding block is stable and firm, the fixed block realizes the function of tightly holding and guiding the threading die, the fixed plate is convenient to process second plane threads on the one hand, the contact area with the sliding chute is further increased on the other hand, and the movable clamping jaws can move back and forth in the sliding chute more stably;

4. the width of the fixed plate is greater than the width of the top of the sliding block, the sliding block is limited, the sliding block can move stably and is prevented from being separated from the sliding groove, the die stock supports the fixed block on two sides of the top of the sliding groove, the fixed block plays a role in pressing down, and the fixed block moves back and forth stably in the sliding groove along with the sliding block and the fixed plate;

5. the guide rod is adjusted through threads, so that the circumference formed by one end close to the center is slightly larger than the circumference of the threads of the machining workpiece, and the guide function is realized;

6. the first fastening screw plays a role in assisting circumferential positioning of the clamped screw die.

Drawings

Fig. 1 is a schematic structural view of a die stock with a guiding function according to the present invention;

FIG. 2 is a schematic structural view of the die stock with the movable jaws of the present invention facing upwards;

FIG. 3 is a schematic structural view of the die stock when no part is installed in the present invention;

fig. 4 is a schematic structural view of the clamping hand wheel of the present invention;

FIG. 5 is a schematic view of the mechanism of the movable jaw of the present invention;

fig. 6 is a schematic mechanism diagram of the guide bar of the present invention;

fig. 7 is a schematic structural view of the clamping handwheel and the positioning member of the present invention.

The labels in the figure are: 1-a die handle body, 2-a spanner bar, 3-a sliding chute, 4-an insertion barrel, 5-a clamping hand wheel, 6-a handle, 7-a first plane thread, 8-a sliding block, 9-a fixing block, 10-a fixing plate, 11-a second plane thread, 12-a threaded hole, 13-a guide rod, 14-a handle, 15-a first screw hole, 16-a first fastening screw, 17-a positioning piece and 18-a second screw hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

As shown in fig. 1 to 5, a die stock with a guiding function includes a die stock body 1 and lever members symmetrically fixed on both sides of the die stock body 1, wherein a clamping hand wheel 5 is rotatably connected in the die stock body 1, a plurality of sliding grooves 3 are uniformly formed around the die stock body 1 at the lower part of the clamping hand wheel 5, the sliding grooves 3 are located in the same horizontal plane, each sliding groove 3 is internally provided with a movable jaw moving back and forth along the sliding groove 3, the clamping hand wheel 5 is in threaded connection with each movable jaw, the bottom surface of the clamping hand wheel 5 is provided with a first plane thread 7, and the upper part of each movable jaw is provided with a second plane thread 11 matched with the first plane thread 7.

The working principle is as follows: when the clamping device is used, the clamping hand wheel 5 is rotated (driven), the first plane threads 7 are rotated to drive the second plane threads 11 to rotate, each movable jaw is far away from the center (horizontal plane) of the die holder body 1, dies are arranged in the die holder body 1 (one side of the die holder body 1, which clamps the hand wheel 5, faces upwards), then the clamping hand wheel 5 is rotated reversely to enable the movable jaws to be close to the center of the die holder body 1, the dies are clamped, the movable jaws are installed in the sliding grooves 3 to ensure that the movable jaws can only move linearly along the sliding grooves 3, the axis of a workpiece to be machined is superposed with the axis of the movable jaws, when the movable jaws are closed to the center, gaps are reserved at the end parts, the circumference formed by the movable jaws is slightly larger than the circumference of the threads of the workpiece to. Through tight hand wheel 5 of clamp on die stock body 1, a plurality of spout 3, 3 internal movable jack catchs in every spout, the setting of first plane screw thread 7 and second plane screw thread 11, each movable jack catch keeps away from the center of die stock body 1 when rotatory step up hand wheel, arrange the die in die stock body 1, later the counter-rotation presss from both sides tight hand wheel 5 and makes movable jack catch be close to the center of die stock body 1, press from both sides the die tightly, through the opening and shutting of 5 drive movable jack catchs of rotatory tight hand wheel of clamp, realize the clamp to different specification dies, the die that has solved above-mentioned current die stock body 1 can only cooperate corresponding function uses, the poor defect of commonality.

Example 2

As shown in fig. 1 to 3, on the basis of embodiment 1, three sliding grooves 3 are provided, and are radially and uniformly distributed on the die stock body 1, and each sliding groove 3 is internally provided with the movable jaw.

The included angle between adjacent spout 3 is 120 and evenly distributed, and the included angle between the movable claw also is 120 and evenly distributed promptly, utilizes the triangle nature to have the principle of stability, and it is best to step up the effect.

Example 3

As shown in fig. 5, on the basis of embodiment 2, each movable jaw includes a convex-shaped sliding block 8, a fixed block 9 located at the bottom of the sliding block 8, and a fixed plate 10 located at the top of the sliding block 8, and the upper portion of the fixed plate 10 is provided with the second planar thread 11.

The slider 8 of type of protruding has increased the area of contact with spout 3, and is spacing effectual to slider 8, and is stable firm, and fixed block 9 has realized the function of leading of holding tightly of threading die, and the setting up of fixed plate 10 makes things convenient for processing second plane screw thread 11 on the one hand, and on the other hand has further increased the area of contact with spout 3, makes the more steady round trip movement in spout 3 of activity jack catch.

Example 4

As shown in fig. 5, in embodiment 3, the slider 8, the fixed block 9, the fixed plate 10, and the second flat screw 11 are integrally molded.

The processing is convenient, one step targets in place, labour saving and time saving during the installation.

Example 5

As shown in fig. 1 to 5, based on embodiment 3, the shape of the sliding groove 3 is the same as the shape of the longitudinal section of the sliding block 8, the fixing plate 10 and the second planar thread 11, the width of the fixing block 9 is greater than the width of the bottom of the sliding block 8, and the width of the fixing plate 10 is greater than the width of the top of the sliding block 8.

The width of fixed plate 10 is greater than the top width of slider 8, plays limiting displacement to slider 8, makes slider 8 steady movement, prevents to break away from spout 3, and die stock body 1 of 3 top both sides of spout supports fixed block 9, and fixed block 9 plays the effect of pushing down simultaneously, and fixed block 9 makes a round trip steady removal along with slider 8 and fixed plate 10 in spout 3.

Example 6

As shown in fig. 1, 2, 5 and 6, on the basis of embodiment 3, each fixing block 9 is provided with a threaded hole 12 along the direction of the sliding chute 3, and a guide rod 13 is connected with the threaded hole 12 in a threaded manner.

The guide rod 13 is adjusted through threads, so that the circumference formed by one end close to the center is slightly larger than the circumference of the threads of the machining workpiece, and the guide function is realized.

Example 7

As shown in fig. 6, in example 5, each guide rod 13 has an arc surface at one end that is attached to the workpiece to be processed, and a handle 14 is provided at the other end of the guide rod 13.

The arrangement of the arc surface increases the contact area of the workpiece, the holding effect is good, and the arrangement of the handle 14 facilitates the rotation of the guide rod 13.

Example 8

As shown in fig. 1 to 3, on the basis of embodiment 1, a plurality of first screw holes 15 are provided around the die stock body 1, a first fastening screw 16 is provided in each first screw hole 15, and the first fastening screw 16 is screwed into the first screw hole 15.

Preferably, there are three first screw holes 15, evenly distributed is in die stock body 1 periphery, and is located the same as the horizontal plane, has first screw thread in the first screw hole 15, has the second screw thread that matches with first screw thread on the first fastening screw 16, and first fastening screw 16 plays the effect of supplementary circumference location to the die after the clamp is tight.

Example 9

As shown in fig. 1 and 7, on the basis of embodiment 1, the upper portion of the clamping hand wheel 5 is provided with a positioning element 17 of the clamping hand wheel 5, the positioning element 17 is an annular cushion block and is located inside the handle 6, at least three second screw holes 18, preferably four, are arranged on the upper portion of the positioning element 17, the second screw holes 18 are uniformly distributed on the upper portion of the positioning element 17, every second fastening screw (not shown) is arranged in each second screw hole 18, the second fastening screws are in threaded fit with the second screw holes 18, and the second fastening screws are fixed on the main body of the die head body 1, so that the clamping hand wheel 5 is limited, and the clamping hand wheel can normally rotate when the limiting clamping hand wheel is guaranteed.

The upper part of the clamping hand wheel 5, i.e. the upper part of the side on which the handle 6 is located. The positioning piece 17 is matched and fixed with the die stock body 1, the clamping hand wheel 5 is not pressed to be dead, but the limiting function is achieved, and the clamping hand wheel is ensured to rotate in the same circumferential plane of the die stock body 1.

The through hole in the middle of the annular cushion block of the positioning piece 17 is used for processing a workpiece to pass through.

Example 10

As shown in fig. 1 to 3, on the basis of embodiment 1, the wrench rod member includes socket barrels 4 symmetrically fixed on both sides of the die holder body 1, and wrench rods 2 screwed to the socket barrels 4.

A third thread is arranged in the inserting cylinder 4, a fourth thread matched with the third thread is arranged on the pulling rod 2, the pulling rod 2 is fixed in the inserting cylinder 4 in a threaded mode during use, the pulling rod 2 is rotated to drive the die holder body 1 and the dies to rotate, threads are machined on a workpiece, and the pulling rod 2 is detached from the inserting cylinder 4 after use and is convenient to store.

Example 11

As shown in fig. 1 and 4, in embodiment 1, handles 6 are symmetrically arranged on both sides of the upper portion of the clamping handwheel 5.

The handle is convenient to hold by hand, the clamping hand wheel 5 is driven to rotate by rotating the handle, so that the first plane threads 7 rotate, and the second plane threads 11 are matched with the first plane threads 7, so that the movable clamping jaws can be driven to move back and forth in the sliding grooves 3. The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a die stock with direction function, includes die stock body (1) and fixes the lever part of pulling that die stock body (1) both sides and symmetry set up which characterized in that: the utility model discloses a wrench, including die stock body (1), die stock body internal rotation has tight hand wheel (5), press from both sides tight hand wheel (5) lower part a plurality of spouts (3) have evenly been seted up around die stock body (1), spout (3) are located same horizontal plane, every all be provided with in spout (3) along spout (3) round trip movement's movable jack catch, press from both sides tight hand wheel (5) and every movable jack catch threaded connection, the bottom surface that presss from both sides tight hand wheel (5) is provided with first plane screw thread (7), every movable jack catch upper portion be provided with first plane screw thread (7) matched with second plane screw thread (11).

2. The die stock with the guiding function as claimed in claim 1, wherein: the sliding grooves (3) are three and radially and uniformly distributed on the die stock body (1), and each sliding groove (3) is internally provided with the movable clamping jaws.

3. A die stock with a guide function according to claim 2, wherein: each movable jaw comprises a convex sliding block (8), a fixed block (9) positioned at the bottom of the sliding block (8) and a fixed plate (10) positioned at the top of the sliding block (8), and the upper part of the fixed plate (10) is provided with a second plane thread (11).

4. A die stock with a guide function according to claim 3, wherein: the sliding block (8), the fixing block (9), the fixing plate (10) and the second plane thread (11) are integrally formed.

5. A die stock with a guide function according to claim 3, wherein: the shape of the sliding groove (3) is the same as the shape of the longitudinal section of the sliding block (8), the fixing plate (10) and the second plane thread (11), the width of the fixing block (9) is larger than the width of the bottom of the sliding block (8), and the width of the fixing plate (10) is larger than the width of the top of the sliding block (8).

6. A die stock with a guide function according to claim 3, wherein: each fixing block (9) is provided with a threaded hole (12) along the direction of the sliding groove (3), and a guide rod (13) is connected with the threaded hole (12) in an internal thread mode.

7. The die stock with the guiding function as claimed in claim 6, wherein: every the one end that guide bar (13) and processing work piece laminated mutually is provided with the arc surface, the other end of guide bar (13) is provided with handle (14).

8. The die stock with the guiding function as claimed in claim 1, wherein: a plurality of first screw holes (15) are formed in the periphery of the die stock body (1), each first screw hole (15) is internally provided with a first fastening screw (16), and the first fastening screws (16) are in threaded connection with the first screw holes (15).

9. The die stock with the guiding function as claimed in claim 1, wherein: the wrench rod component comprises inserting cylinders (4) symmetrically fixed on two sides of the die stock body (1) and wrench rods (2) in threaded connection with the inserting cylinders (4).

10. The die stock with the guiding function as claimed in claim 1, wherein: handles (6) are symmetrically arranged on two sides of the upper part of the clamping hand wheel (5).

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