CN219169791U - Automatic lifting cutter gear shaping power tool apron - Google Patents

Abstract

The utility model provides an automatic cutter lifting gear shaping power tool apron, which comprises a base, a body support, a transmission shaft, a connecting mechanism, a sliding plate and a cutter lifting rod, wherein the connecting mechanism comprises an eccentric wheel, an eccentric shaft, a connecting rod, a copper sleeve and a pushing shaft; the eccentric shaft and the pushing shaft are sleeved with copper sleeves, so that abrasion is avoided; linear cross roller guide rail is installed between the sliding plate and the body support, so that direct contact friction between the sliding plate and the body support is avoided, and the phenomenon of blocking is avoided.

Description

Automatic lifting cutter gear shaping power tool apron

Technical Field

The utility model relates to the field of processing equipment, in particular to an automatic cutter lifting gear shaping power cutter holder.

Background

The slot power tool apron is a power head on the turning and milling composite machine tool, is arranged on a power tool turret of the turning and milling composite machine tool, and utilizes a driving motor in the power tool turret to drive the gear shaping power tool apron to do linear reciprocating motion so as to replace the machining procedures of gear shaping and slot shaping of the gear shaping machine tool. The existing slot power tool apron has the following problems: 1. the gear shaping cutter moves straight when advancing and retracting, so that the cutter is easy to contact and rub with a workpiece when retracting, and the service life is reduced; 2. the structure of driving eccentric wheels driving driven eccentric wheels is adopted to transmit power, so that the processing difficulty of the two eccentric wheels is high, and the processing cost is high; 3. the driven eccentric shaft and the shaft are matched by adopting a needle bearing, so that the needle bearing is small in radial stress and can be damaged due to the fact that the needle bearing cannot bear excessive radial force in actual operation; 4. the sliding plate and the body support are in direct contact friction, so that the sliding plate is easy to be blocked or quickly worn.

Disclosure of Invention

The utility model provides an automatic cutter lifting gear shaping power cutter holder, which aims to solve the problems of the conventional slot power cutter holder.

The utility model is realized in the following way: the utility model provides an automatic lift sword gear shaping power blade holder, includes base, body support, transmission shaft, coupling mechanism, slide and lifts the cutter arbor, the base mounting is in body support lower extreme, the transmission shaft passes through coupling mechanism connects lift the cutter arbor with the slide, the transmission shaft passes through a plurality of bearing setting is in the base, coupling mechanism is including setting up eccentric wheel, eccentric shaft, connecting rod, copper sheathing, the promotion axle in the body support intracavity, the transmission shaft is connected the eccentric wheel, the copper sheathing is established on the eccentric shaft, will be overlapped the copper sheathing the eccentric shaft is installed on the eccentric wheel, connecting rod one side is installed on the eccentric shaft, the opposite side is installed the promotion axle, the promotion axle passes in proper order the slide with lift the cutter arbor, the promotion axle with the cover is established between the slide the copper sheathing, the promotion axle with it lifts the cutter arbor to overlap between the cover, it has the annular guide slot to open on the lift the cutter arbor, the guide slot divide into two parts along axial direction has the difference in height, the cutter arbor passes through a hub connection body the cross length direction is in the slide setting up along the linear roller on the slide.

Further, an adjusting screw is arranged on the sliding plate and connected with the cutter lifting rod, and a reset spring is sleeved on the adjusting screw.

Further, the body support sets up the front end housing along the one end face of length, and the other end face sets up the rear end housing, the front end housing further is provided with the sealing washer, still set up a top cap on the body support.

Further, three bearings are sleeved on the transmission shaft and are sleeved on the upper side and the lower side of the transmission shaft respectively.

Further, a gear shaping cutter is arranged on one side of the cutter lifting rod away from the sliding plate through a screw.

The beneficial effects of the utility model are as follows:

the utility model relates to an automatic cutter lifting gear shaping power tool apron which is simple in structure, reasonable and ingenious in design, and comprises a base, a body support, a transmission shaft, a connecting mechanism, a sliding plate and a cutter lifting bar, wherein the transmission shaft is arranged on the base; the eccentric shaft and the pushing shaft are sleeved with copper sleeves, so that abrasion is avoided; linear cross roller guide rail is installed between the sliding plate and the body support, so that direct contact friction between the sliding plate and the body support is avoided, and the phenomenon of blocking is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of an automatic lift and pinion power tool apron according to the present utility model;

FIG. 2 is a schematic top view of an automatic lift and pinion power tool apron according to the present utility model;

fig. 3 is a schematic left view of the automatic lifting gear shaping power tool apron according to the utility model.

Reference numerals:

10. a body support; 101. a gear shaping cutter; 102. lifting a cutter bar; 103. a slide plate; 104. a connecting mechanism; 1041. an eccentric wheel; 1042. an eccentric shaft; 1043. a connecting rod; 1044. a pushing shaft; 1045. a copper sleeve; 105. an adjusting screw; 106. a return spring; 107. a linear cross roller guide rail; 108. lifting a cutter guide wheel; 1081. a guide groove; 109. a fulcrum shaft;

20. a base; 201. a transmission shaft; 202. a bearing;

30. a front end cover;

40. a rear end cover;

50. and a top cover.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to fig. 1-3, the present embodiment provides an automatic cutter lifting and gear shaping power tool apron, which comprises a base 20, a body support 10, a transmission shaft 201, a connecting mechanism 104, a sliding plate 103 and a cutter lifting rod 102, wherein the transmission shaft 201 is connected with the cutter lifting rod 102 and the sliding plate 103 through the connecting mechanism 104, the transmission shaft 201 is arranged on the base 20 through a plurality of bearings 202, and the base 20 is detachably arranged at the lower end of the body support 10 through bolts, so that the replacement and maintenance of the transmission shaft 201 are facilitated. In the utility model, three bearings 202 are sleeved on a transmission shaft 201, two bearings 202 are sleeved on the lower side of the transmission shaft 201, one bearing 202 is sleeved on a groove on the transmission shaft 201, and the transmission shaft 201 is stably installed in a base 20 and stably rotates for input through the bearings 202 arranged on the upper side and the lower side.

Referring to fig. 1-3, the connecting mechanism 104 includes an eccentric wheel 1041, an eccentric shaft 1042, a connecting rod 1043, a copper sleeve 1045 and a pushing shaft 1044 disposed in a cavity of the body support 10, the transmission shaft 201 is connected with the eccentric wheel 1041, the copper sleeve 1045 is sleeved on the eccentric shaft 1042, the eccentric shaft 1042 sleeved with the copper sleeve 1045 is mounted on the eccentric wheel 1041, the eccentric shaft 1042 can rotate in the copper sleeve 1045, the transmission shaft 201 rotates to drive the eccentric wheel 1041 to rotate, the eccentric shaft 1042 rotates in the copper sleeve 1045 while the connecting rod 1043 is mounted on the eccentric shaft 1042, the pushing shaft 1044 is mounted on the other side, the eccentric shaft 1042 drives the pushing shaft 1044, and because the pushing shaft 1044 sequentially passes through the slide plate 103 and the lifting cutter bar 102, the reciprocating pushing action of the pushing shaft 1044 is realized. Further, a copper sleeve 1045 is sleeved between the pushing shaft 1044 and the sliding plate 103, the copper sleeve 1045 penetrates through and is fixed on the sliding plate 103, the pushing shaft 1044 penetrates through the copper sleeve 1045 and can rotate in the copper sleeve 1045, and the pushing shaft 1044 can drive the sliding plate 103 to reciprocate. A cutter lifting guide wheel 108 is sleeved between the pushing shaft 1044 and the cutter lifting rod 102, a gear shaping cutter 101 is arranged on one side of the cutter lifting rod 102 far away from the sliding plate 103 through a screw, and the cutter lifting rod 102 drives the gear shaping cutter 101 to reciprocate so as to realize gear shaping and groove machining. The cutter lifting guide wheel 108 is mounted on one side of the pushing shaft 1044 far away from the connecting rod 1043 through bolts, the cutter lifting guide wheel 108 is provided with a circular guide groove 1081, the circular guide groove 1081 is divided into two parts with height difference along the axial direction and is staggered in parallel by 180 degrees, the cutter lifting rod 102 is connected with the sliding plate 103 through a fulcrum shaft 109, when the eccentric wheel 1041 rotates to 180 degrees, the cutter lifting rod 102 extends to the longest travel, the cutter lifting guide wheel 108 also rotates 180 degrees, when the cutter lifting guide wheel 108 rotates more than 180 degrees, the gear shaping cutter 101 starts to retract backwards, the guide groove 1081 of the cutter lifting guide wheel 108 also rotates from a half of the high position to a lower position, the fulcrum shaft 109 plays a role of a fulcrum, so that one side, where the cutter lifting rod 102 is connected with the cutter lifting guide wheel 108, of the gear shaping cutter 101 lifts upwards, and the cutter cannot be worn out by contact friction during the cutter retracting process, and the service life of the cutter and the finish precision of the cutter are prolonged.

Further, an adjusting screw 105 is arranged on the sliding plate 103, the adjusting screw 105 is connected with the cutter lifting rod 102, a reset spring 106 is sleeved on the adjusting screw 105, a gap between the cutter lifting rod 102 and the sliding plate 103 can be adjusted through the adjusting screw 105, and the fulcrum shaft 109 is used as a supporting point, so that the cutter lifting rod 102 is adjusted to swing along with the gear shaping cutter 101, and the angle adjustment of the gear shaping cutter 101 is realized.

Referring to fig. 2-3, the body support 10 is provided with linear cross roller guide rails 107 along two sides of the length direction, and the sliding plate 103 is arranged on the linear cross roller guide rails 107, so that compared with the conventional sliding plate 103 which directly contacts and rubs with the body support 10, the linear cross roller guide rails 107 can ensure the smoothness and precision of the linear motion, and have high linear speed, difficult abrasion and long service life.

In addition, the body support 10 sets up front end housing 30 along the one end face of length, and the other end face sets up rear end housing 40, and front end housing 30 further is provided with the sealing washer, still sets up a top cap 50 on the body support 10, and front end housing 30, rear end housing 40 and top cap 50 wrap up slide 103, avoid the dust to fall into or the injury that the manual misoperation caused.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides an automatic lift sword gear shaping power blade holder, its characterized in that, includes base, body support, transmission shaft, coupling mechanism, slide and lifts the cutter arbor, the base is installed body support lower extreme, the transmission shaft passes through coupling mechanism connects lift the cutter arbor with the slide, the transmission shaft passes through a plurality of bearing setting is in the base, coupling mechanism is including setting up eccentric wheel, eccentric shaft, connecting rod, copper sheathing, the push shaft in the body support intracavity, the transmission shaft is connected the eccentric wheel, the copper sheathing is established on the eccentric shaft, will be overlapped the eccentric shaft that is equipped with the copper sheathing is installed on the eccentric wheel, connecting rod one side is installed on the eccentric shaft, the opposite side is installed the push shaft, the push shaft passes in proper order the slide with lift the cutter arbor, the push shaft with the cover is established between the slide, the push shaft with it establishes the cutter arbor to lift to cover between the cutter arbor, it has annular guide slot to open on the cutter guide pulley, the guide slot divide into two parts with the difference in height, the cutter arbor passes through a shaft connection the body the cross-bar is in the length direction is in the setting up linear roller on the slide.

2. The automatic lift and make-up power tool apron according to claim 1, wherein: the sliding plate is provided with an adjusting screw which is connected with the cutter lifting rod, and the adjusting screw is sleeved with a reset spring.

3. The automatic lift and make-up power tool apron according to claim 1, wherein: the body support sets up the front end housing along the one end face of length, and the other end face sets up the rear end housing, the front end housing further is provided with the sealing washer, still set up a top cap on the body support.

4. The automatic lift and make-up power tool apron according to claim 1, wherein: the transmission shaft is sleeved with three bearings, and the three bearings are sleeved on the upper side and the lower side of the transmission shaft respectively.

5. The automatic lift and make-up power tool apron according to claim 1, wherein: and a gear shaping cutter is arranged on one side of the cutter lifting rod, which is far away from the sliding plate, through a screw.

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