CN214518674U - Reduction gearbox accessory compresses tightly frock - Google Patents

Abstract

The utility model discloses a reducing gear box accessory compresses tightly frock, the on-line screen storage device comprises a base, be equipped with the second location die that is used for compressing tightly the first location die of geared sleeve and is used for compressing tightly the gear pivot on the base, the upper end of first location die is seted up flutedly, the mold core of activity about being equipped with in the recess is located the top of first location die and second location die is equipped with the moulding-die and is used for driving the driving piece of moulding-die up-and-down motion. The utility model discloses with gear shaft and gear shaft sleeve's the process integration that compresses tightly on a frock, improve production efficiency, reduce cost, and the drawing of patterns is convenient, the pressure equipment is of high quality.

Description

Reduction gearbox accessory compresses tightly frock

Technical Field

The utility model relates to a frock technical field specifically relates to a reducing gear box accessory compresses tightly frock.

Background

When an existing reduction gearbox is used for pressing an assembly part, the following problems exist:

firstly, a tool is basically used for pressing one part, which means that a plurality of devices are required to be occupied for pressing and assembling each part of the reduction gearbox, so that when a plurality of parts are pressed by the reduction gearbox, a plurality of pressing procedures are required, and corresponding tool devices are increased, thus the reduction gearbox is low in pressing operation efficiency and high in cost;

secondly, in the existing tool, the mold core has no resilience resetting function, so that after the mold core is tightly pressed by a pressing head, the pressed part is inconvenient to take out of the tool equipment, thereby affecting the working efficiency and improving the product cost;

thirdly, when the reduction gearbox body is compressed by a gear rotating shaft, the conventional process compresses the gear rotating shaft by a single gear rotating shaft, so that the verticality and the depth of a plurality of gear rotating shafts are difficult to control in a unified manner, the working efficiency is reduced, and the production cost is improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the reduction gearbox fitting pressing tool is integrated with the pressing procedures of a gear rotating shaft and a gear shaft sleeve on one tool, so that the production efficiency is improved, the cost is reduced, the demoulding is convenient and fast, and the press-fitting quality is good.

The specific technical scheme is as follows:

the utility model provides a reducing gear box accessory compresses tightly frock, includes the base, be equipped with the first location die that is used for compressing tightly the gear shaft cover on the base and be used for compressing tightly the second location die of gear shaft, the upper end of first location die is seted up flutedly, be equipped with the mold core of activity from top to bottom in the recess, be located the top of first location die and second location die is equipped with the moulding-die and is used for driving the driving piece of moulding-die up-and-down motion.

The utility model provides a first location die can be used to the compressing tightly operation of the gear shaft cover on box and the case lid, and second location die can be used to the compressing tightly operation of the gear shaft on the box. The utility model discloses to the gear shaft of reducing gear box case lid, gear shaft sleeve compress tightly the process and integrate to a frock on, effectively improved production efficiency, reduced manufacturing cost.

As an improvement of the utility model, the bottom of mold core is equipped with and is used for the moulding-die to loosen the reset assembly of back mold core jacking for convenient the taking out after reducing gear box accessory gear shaft cover pressure equipment is good.

And the reset assembly comprises a pressure spring and a bottom support, one end of the pressure spring is connected with the mold core, and the other end of the pressure spring is connected with the bottom support. When the pressing die is pressed on the die core, the pressure spring is compressed, the die core retracts into the first positioning concave die, and after the pressing die moves upwards to loosen the die core, the die core is jacked under the counter-acting force of the pressure spring, so that the reduction gearbox and the gear shaft sleeve fitting which are pressed are ejected together, the die is conveniently demolded, and the press-fitting efficiency is improved.

And the bottom of the mold core is provided with a counter bore for containing the pressure spring, so that the spacing of the active space of the pressure spring is realized, the pressure spring is placed to be twisted, and the conditions that the pressure spring is not in the center of the mold core when being compressed, slides and is not uniformly stressed are prevented.

And the bottom of the groove of the first positioning female die is provided with an opening, and the bottom support is detachably arranged in the groove through the opening, so that the die core can be conveniently checked and replaced when the die core fails and cannot be jacked.

And the improvement is that one end of the bottom support, which is far away from the pressure spring, is provided with a hole elastic check ring, and the bottom support is abutted against the hole elastic check ring. Hole circlip card is established in the opening of recess, and the collet offsets with hole circlip, and fixed collet during the dismantlement, as long as stretch into circlip's downthehole, take off hole circlip, the collet that can conveniently take.

As an improvement of the utility model, be equipped with the limit structure who is used for restricting the mould and reciprocates the stroke on the recess inner wall of first location die, prevent that the mold core from breaking away from first location die under the reaction force of pressure spring.

And the limiting structure comprises a notch formed in the inner wall of the groove of the first positioning female die and a convex block arranged on the die core, and the convex block is matched with the notch.

As an improvement of the utility model, the reducing gear box accessory compresses tightly the frock still including the locating plate that is used for gear shaft location for a plurality of gear shafts are compressed tightly simultaneously, with the straightness and the degree of depth of guaranteeing their straightness that hangs down.

And the positioning plate is provided with a plurality of positioning holes matched with the gear rotating shaft.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a reduction gearbox accessory pressing tool of the utility model;

FIG. 2 is a cross-sectional view of the reduction box assembly pressing tool in a non-operating state;

FIG. 3 is a cross-sectional view of the reduction box accessory pressing tool in a pressed-down state;

fig. 4 is a schematic structural diagram of a first embodiment of the present invention;

fig. 5a is a cross-sectional view of the embodiment of the present invention before the gear shaft is press-fitted;

fig. 5b is a cross-sectional view of the gear rotating shaft after being press-fitted according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a second embodiment of the present invention;

fig. 7a is a structural cross-sectional view of a second embodiment of the present invention before press-fitting of a gear sleeve;

fig. 7b is a structural sectional view of the second embodiment of the present invention after the gear shaft sleeve is press-fitted;

fig. 8 is a schematic structural diagram of a third embodiment of the present invention;

fig. 9a is a structural cross-sectional view of a third embodiment of the present invention before press-fitting a gear sleeve;

fig. 9b is a cross-sectional view of the third embodiment of the present invention after the gear sleeve is press-fitted.

In the attached drawings, 1, a base; 2. a first positioning female die; 2.1, grooves; 3. a second positioning female die; 4. a mold core; 4.1, a limiting structure; 5. pressing the die; 6. a reset assembly; 6.1, pressing a spring; 6.2, mounting; 6.3, counter bores; 6.4, elastic check rings for holes; 7. positioning a plate; 8. a reduction box body; 9. a gearbox cover; 10. a gear shaft; 11. gear shaft sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the utility model discloses a reducing gear box accessory compresses tightly frock, including base 1, first location die 2, second location die 3, mold core 4, moulding-die 5 and driving piece (not shown in the figure). Be equipped with the first location die 2 that is used for pressing gear shaft sleeve 11 and the second location die 3 that is used for pressing gear pivot 10 on the base 1, recess 2.1 has been seted up to the upper end of first location die 2, be equipped with mold core 4 of activity from top to bottom (direction with perpendicular to base 1 is upper and lower direction) in the recess 2.1, there is not mold core 4 in the second location die 3, the top that is located first location die 2 and second location die 3 is equipped with moulding-die 5 and is used for driving the driving piece of moulding-die 5 up-and-down motion, the driving piece is connected with moulding-die 5 electricity, first location die 2 is arranged in to reducing gear box and accessory, on mold core 4 and the second location die 3, driving piece drive moulding-die 5 pushes down to first location die 2 or second location die 3 in order to accomplish the work that compresses tightly of reducing gear box accessory.

The first positioning female die 2 can be used for pressing a gear shaft sleeve 11 on the box body and the box cover, and the second positioning female die 3 can be used for pressing a gear rotating shaft 10 on the box body. The utility model discloses to the gear shaft 10 of reducing gear box case lid, gear shaft sleeve 11 compress tightly the process and integrate to a frock on, effectively improved production efficiency, reduced manufacturing cost.

In order to facilitate the gear shaft sleeve 11 of the reduction box accessory to be taken out after being pressed and assembled, a reset component 6 used for jacking the die core 4 after the pressing die 5 is loosened is arranged at the bottom of the die core 4. As shown in fig. 2 and 3, the reset assembly 6 includes a compression spring 6.1 and a base support 6.2, one end of the compression spring 6.1 is connected with the mold core 4, and the other end of the compression spring 6.1 is connected with the base support 6.2. When moulding-die 5 pressed on mold core 4, pressure spring 6.1 was compressed, and in mold core 4 retracted first location die 2, after moulding-die 5 moved up and loosened mold core 4, under the reaction force of pressure spring 6.1, mold core 4 was jacked to ejecting together the reducing gear box that the pressure equipment was good and 11 accessories of gear bush, the convenient drawing of patterns improved pressure equipment efficiency.

During press fitting, in order to prevent the compression spring 6.1 from being distorted, a counter bore 6.3 for accommodating the compression spring 6.1 is formed in the bottom of the mold core 4, so that the active space of the compression spring 6.1 is limited, and the situation that the compression spring 6.1 is not in the center of the mold core 4 and slides and is stressed unevenly when being compressed is prevented.

In long-time use, the unfavorable condition that elasticity is not enough, the card is dead after pressure spring 6.1 loss can appear unavoidably, also can appear that mold core 4 damages, needs clear up the condition of aluminium bits powder, consequently, the utility model discloses set up the opening with the bottom of recess 2.1 of first location die 2, make collet 6.2 detachably set up in recess 2.1 through the opening, make things convenient for inspection and the change when mold core 4 breaks down can not the top. In order to facilitate the detachment and the installation of the bottom support 6.2, one end of the opening, which is far away from the pressure spring 6.1, is provided with a circlip 6.4 for the hole, and the bottom support 6.2 is abutted against the circlip 6.4 for the hole. The circlip 6.4 for hole card is established in the opening of recess 2.1, and collet 6.2 offsets with circlip 6.4 for hole, and fixed collet 6.2, during the dismantlement, as long as stretch into the hole of circlip 6.4 for hole, take off circlip 6.4 for the hole, can conveniently take collet 6.2.

In order to prevent the mold core 4 from separating from the first positioning female die 2 under the reaction force of the pressure spring 6.1, a limiting structure 4.1 for limiting the up-and-down movement stroke of the mold core 4 is arranged on the inner wall of the groove 2.1 of the first positioning female die 2. This limit structure 4.1 is including seting up notch, the lug of setting on mold core 4 on the recess 2.1 inner wall of first location die 2, lug and notch cooperation. The moving space of the lug in the notch is the up-and-down moving stroke of the mold core.

In addition, this reducing gear box accessory compresses tightly frock still includes the locating plate 7 that is used for gear shaft 10 assistance-localization real-time, as shown in fig. 4, when using, place the box that waits to adorn gear shaft 10 on the frock earlier, the one side box that waits to adorn gear shaft 10 aims at second location die 3, places locating plate 7 with the box is mated on the box again this moment, inserts corresponding gear shaft 10 in the locating hole of locating plate 7, starts moulding-die 5 and pushes down and can accomplish the operation of compressing tightly gear shaft 10. By adopting the positioning plate 7, a plurality of gear rotating shafts 10 can be simultaneously pressed to ensure the verticality and the depth of the gear rotating shafts.

In addition, the driving member of the pressing die 5 in the present invention is realized by a pneumatic device, for example, by a cylinder.

The utility model discloses a theory of use as follows:

when the reduction gearbox gear shaft sleeve 11 is compressed, as shown in fig. 6 to 9b, firstly, a reduction gearbox body or box cover and the gear shaft sleeve 11 are placed on the first positioning female die 2, then, after the load of an air cylinder switch of the equipment is started, the pressing die 5 connected to the air cylinder ejector rod moves downwards and presses the mold core 4, and the mold core 4 also slides downwards at the same time; when the mold core 4 is pressed down to touch the bottom support 6.2, the pressure spring 6.1 also carries out downward load compression. After the gear shaft sleeve 11 compresses tightly and accomplishes, close the equipment switch and make equipment no load state, the cylinder drives moulding-die 5 on the ejector pin and up returns to remove, and moulding-die 5 on the ejector pin breaks away from 4 upper surfaces of mold core this moment, and under the condition of no pressure load, pressure spring 6.1 can stretch out and draw back and reset to drive 4 reconversion of mold core.

When the reduction gearbox gear rotating shaft 10 compresses tightly the operation, as shown in fig. 4 to 5b, at first place reduction gearbox box 8 and gear rotating shaft 10 on second location die 3, after starting equipment cylinder switch load, the moulding-die 5 of connection on the cylinder ejector pin can down remove and press second location die 3 for gear rotating shaft 10 compresses tightly on the box, accomplishes the operation, closing equipment switch makes equipment no load state, the cylinder drives moulding-die 5 on the ejector pin up to return and move, resets.

The first embodiment is as follows:

fig. 4 to 5b are schematic diagrams of the pressing operation of the gear rotating shaft 10 of the reduction gearbox, and the operation steps are as follows:

a. fixing the tool base 1 and the pressing die 5 on an air pressure device, wherein the second positioning concave die 3 of the tool base 1 is opposite to the pressing die 5;

b. the gear rotating shaft 10 is pre-arranged on the box body through a positioning hole on the positioning plate 7;

c. sleeving the box body and the gear rotating shaft 10 into the second positioning female die 3 for matching;

d. starting the air pressure equipment, pressing the pressing die 5 downwards and onto the second positioning female die 3 to enable the gear rotating shaft 10 to be tightly pressed on the box body, completing the operation, and closing the air pressure equipment for resetting;

e. and taking down the box body pressed with the gear rotating shaft 10 from the tool base 1.

Example two:

fig. 6 to 8 are schematic views of the pressing operation of the gear shaft sleeve 11 of the reduction gearbox body 8, and the operation steps are as follows:

a. the tooling base 1 is rotated by 180 degrees and then fixed on an air pressure device together with the pressing die 5, and the first positioning concave die 2 of the tooling base 1 is opposite to the pressing die 5;

b. sleeving a reduction gearbox body 8 with a pressed gear rotating shaft 10 into the first positioning female die 2 for matching, and sleeving a gear shaft sleeve 11 on the die core 4;

c. starting the pneumatic equipment, pressing the pressing die 5 downwards to the first positioning female die 2 and the die core 4 to enable the gear shaft sleeve 11 to be tightly pressed on the box body, finishing the operation, closing the pneumatic equipment to reset, and ejecting the pressed box body out of the die by the die core 4 under the reaction force of the pressure spring 6.1;

d. and taking down the box body with the pressed gear shaft sleeve 11 from the tool base 1.

Example three:

fig. 8 to 9b are schematic views of the pressing operation of the gear shaft sleeve 11 of the reduction box cover 9, and the operation steps are as follows:

a. the tooling base 1 is rotated by 180 degrees and then fixed on an air pressure device together with the pressing die 5, and the first positioning concave die 2 of the tooling base 1 is opposite to the pressing die 5;

b. sleeving a box cover 9 of the reduction gearbox into the first positioning female die 2, and sleeving a gear shaft sleeve 11 on the die core 4;

c. starting the pneumatic equipment, pressing the pressing die 5 downwards to the first positioning female die 2 and the die core 4 to enable the gear shaft sleeve 11 to be tightly pressed on the box cover, finishing the operation, closing the pneumatic equipment to reset, and ejecting the pressed box cover out of the die by the die core 4 under the reaction force of the pressure spring 6.1;

d. and taking down the box cover pressed with the gear shaft sleeve 11 from the tool base 1.

To sum up, the utility model integrates the press mounting operation of the gear rotating shaft 10 of the reduction box body 8 and the gear shaft sleeve 11 of the box body box cover on one tool, thereby reducing the use of tool equipment, reducing the time for assembling and disassembling the die, reducing the maintenance work of the tool, greatly improving the production efficiency and reducing the production cost; moreover, the reset function is arranged in the mold core 4 of the tool, so that the tool is convenient to demold, overhaul and replace and is very convenient and fast; in addition, when the gear rotating shaft 10 is pressed, the positioning plate 7 is used for realizing simultaneous pressing, the uniformity of verticality and depth is ensured, and the pressing quality is good.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear, inner and outer … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of 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 addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims (10)

1. The utility model provides a reducing gear box accessory compresses tightly frock, includes base (1), its characterized in that: be equipped with on base (1) and be used for compressing tightly first location die (2) of geared sleeve (11) and second location die (3) that are used for compressing tightly gear shaft (10), the upper end of first location die (2) is seted up flutedly (2.1), be equipped with movable mold core (4) from top to bottom in recess (2.1), be located the top of first location die (2) and second location die (3) is equipped with moulding-die (5) and is used for driving the driving piece of moulding-die (5) up-and-down motion.

2. The reduction gearbox accessory pressing tool according to claim 1, wherein a reset component (6) used for jacking the mold core (4) after the pressing mold (5) is loosened is arranged at the bottom of the mold core (4).

3. The reduction gearbox accessory pressing tool according to claim 2, wherein the resetting component (6) comprises a pressure spring (6.1) and a bottom support (6.2), one end of the pressure spring (6.1) is connected with the mold core (4), and the other end of the pressure spring (6.1) is connected with the bottom support (6.2).

4. The reduction gearbox accessory pressing tool according to claim 3, wherein a counter bore (6.3) for accommodating the pressure spring (6.1) is formed in the bottom of the mold core (4).

5. The reduction gearbox fitting pressing tool according to claim 3 or 4, characterized in that an opening is arranged at the bottom of the groove (2.1) of the first positioning female die (2), and the bottom support (6.2) is detachably arranged in the groove (2.1) through the opening.

6. The reduction gearbox fitting pressing tool according to claim 5, wherein a hole circlip (6.4) is arranged at one end of the opening, which is far away from the pressure spring (6.1), and the bottom support (6.2) is abutted to the hole circlip (6.4).

7. The reduction gearbox fitting pressing tool according to claim 1, wherein a limiting structure (4.1) for limiting the up-and-down movement stroke of the mold core (4) is arranged on the inner wall of the groove (2.1) of the first positioning female die (2).

8. The reduction gearbox accessory pressing tool according to claim 7, wherein the limiting structure (4.1) comprises a notch formed in the inner wall of the groove (2.1) of the first positioning female die (2) and a lug arranged on the die core (4), and the lug is matched with the notch.

9. The reduction gearbox fitting pressing tool according to claim 1, further comprising a positioning plate (7) for positioning a gear rotating shaft (10).

10. The reduction gearbox fitting pressing tool according to claim 9, wherein a plurality of positioning holes matched with the gear rotating shaft (10) are formed in the positioning plate (7).

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