CN214814867U

CN214814867U - Transmission system for main shaft and side milling head of gantry machining center

Info

Publication number: CN214814867U
Application number: CN202120891785.1U
Authority: CN
Inventors: 顾立柱
Original assignee: Anhui Pengrui Intelligent Technology Co ltd
Current assignee: Anhui Pengrui Intelligent Technology Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-23
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a longmen machining center main shaft and side milling head transmission system belongs to longmen machining center technical field. The utility model comprises a main spindle box and a split transition disc arranged at the bottom of the main spindle box, wherein two main spindle mounting surfaces are arranged on one side of the main spindle box along the width direction of the main spindle box, one main spindle mounting surface is used for mounting a belt main spindle, and the other main spindle mounting surface is used for mounting a direct-connection main spindle; the split type transition disc is used for being installed below a main shaft installation surface, the split type transition disc comprises an upper transition disc and a lower transition disc which are arranged in a split mode from top to bottom, the upper transition disc is fixed to the bottom of the main shaft box, and the side milling head is installed on the upper transition disc through the lower transition disc. The utility model aims to overcome current longmen machining center headstock can not adapt to the not enough that various main shaft installations and side milling head dismouting waste time and energy, not only can the installation of various main shafts, still can realize the dismouting of longmen side milling head fast.

Description

Transmission system for main shaft and side milling head of gantry machining center

Technical Field

The utility model relates to a longmen machining center technical field, more specifically say, relate to a longmen machining center main shaft and side milling head transmission system.

Background

The gantry machining center is a machining center with a spindle axis perpendicular to the workbench and is mainly suitable for machining large parts. The headstock is an important part of the machine tool and is used for arranging the machine tool working spindle and its drive parts and corresponding additional mechanisms. The axle box is a complex transmission part, including a main shaft assembly, a reversing mechanism, a transmission mechanism, a braking device, an operating mechanism, a lubricating device and the like. The main function of the device is to support the main shaft and make the main shaft rotate, thus realizing the functions of starting, braking, speed changing, reversing and the like of the main shaft. The use requirements of people are difficult to meet.

Simultaneously because the mill head is found in daily end mill process installation on same main shaft, need install the side mill head on the main shaft, but the side mill head weight is great, with the main shaft butt joint installation need accurate counterpoint, if dismouting at every turn alone, all need the adjustment to correct the axiality of side mill head and main shaft, waste time and energy, consequently need design longmen machining center main shaft and side mill head transmission system, can enough adapt to the installation of various main shafts, can carry out the side mill head assembly fast again, reduce the assemble duration, reduce the assembly degree of difficulty.

Through retrieval, a large number of patents have been published about the transmission system of the main shaft and the side milling head of the gantry machining center, such as Chinese patent application numbers: 201920565786X, entitled: the utility model provides a longmen side milling head switches installation device, this application discloses a high-speed longmen processing headstock device, including the headstock box, the top fixed mounting of headstock box has the motor, and the both sides of headstock box are provided with first curb plate and second curb plate respectively, and the bottom welding of the relative one side of first curb plate and second curb plate has the bottom plate, and the front end fixedly connected with front bezel of bottom plate, the both sides of front bezel respectively with first curb plate and second curb plate fixed connection.

The scheme is a good exploration for the main shaft and the side milling head transmission system of the gantry machining center, but still has a space for further improvement, and the research on the main shaft and the side milling head transmission system of the gantry machining center in the industry never stops.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome that current longmen machining center headstock can not adapt to the not enough that various main shaft installations and side milling head dismouting waste time and energy, provide a longmen machining center main shaft and side milling head transmission system, not only can the installation of various main shafts, still can realize the dismouting of longmen side milling head fast, reduce the assemble duration, reduce the assembly degree of difficulty.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a longmen machining center main shaft and side milling head transmission system, including headstock and the split type transition dish of setting in the headstock bottom, one side of headstock is provided with two main shaft installation faces along the width direction of headstock, and one of them main shaft installation face is used for installing the belt main shaft, and another main shaft installation face is used for installing the main shaft that directly allies oneself with; the split transition disc is used for being installed below a main shaft installation surface, the split transition disc comprises an upper transition disc and a lower transition disc which are arranged in a split mode from top to bottom, the upper transition disc is fixed to the bottom of the main shaft box, and the side milling head is installed on the upper transition disc through the lower transition disc.

As a further improvement, the mounting hole for the belt spindle to pass is provided in the spindle mounting surface of the belt spindle, and the top from bottom to top of the belt spindle is provided with the belt, the unclamping cylinder seat and the unclamping cylinder in sequence.

As a further improvement, the position corresponding with the belt main shaft on the headstock is provided with the installation face that is used for installing belt spindle motor, and belt spindle motor installs on the headstock through the belt motor board in the bottom.

As a further improvement, the bottom of the belt spindle motor is provided with a belt pulley and a tensioning sleeve, wherein the belt pulley is connected with the belt.

As a further improvement of the utility model, set up the mounting hole that supplies the direct-connected main shaft to pass in the main shaft installation face of installation direct-connected main shaft, wherein the top of direct-connected main shaft is provided with the direct-connected motor cabinet, is provided with the shaft coupling in the direct-connected motor cabinet, and the direct-connected main shaft passes through the shaft coupling and links to each other with the direct-connected spindle motor, and the direct-connected spindle motor passes through the direct-connected motor board and installs at the direct-connected motor cabinet top.

As a further improvement, the upper transition plate is provided with a stepped hole which is communicated along the axial extension, and the top of the stepped hole is provided with a positioning spigot which is used for matching with the thread section of the periphery of the corresponding position on the main shaft.

As a further improvement, the central point of the bottom of the upper transition plate is provided with an embedded section extending downwards, the two ends of the internal block are provided with vertical sections extending upwards, and the top of the vertical sections is provided with horizontal sections extending outwards.

As a further improvement of the utility model, the top of the lower transition disc is provided with an inward concave positioning groove, and the inner block is matched with the card to be clamped into the positioning groove.

As a further improvement, the outward extension of constant head tank both sides wall top level is provided with accepts the section, the horizontal segment overlap joint is in accepting the section, and the length of horizontal segment keeps unanimous with accepting the section length.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a gantry machining center main shaft and side milling head transmission system, which comprises a main shaft box, wherein two main shaft mounting surfaces are arranged on one side of the main shaft box along the width direction of the main shaft box, one main shaft mounting surface is used for mounting a belt main shaft, and the other main shaft mounting surface is used for mounting a direct-connection main shaft; the integrated direct-connection spindle box and the belt spindle box do not need to be separately cast, so that organization production and reduction of materials are facilitated, warehouse management is facilitated, the investment cost of the early-stage mold is reduced, the common spindle box is adopted, processing is convenient, interchangeability is high, customers can conveniently select different spindles, and competitiveness is enhanced.

(2) The utility model discloses a longmen machining center main shaft and side milling head transmission system, belt spindle motor bottom is installed on the headstock through the belt motor board. Through the belt motor board of changing different models, can deal with the main shaft of co-altitude not and the belt spindle motor output shaft of different length, be favorable to purchasing the diversification, reduction in production cost.

(3) The utility model discloses a longmen machining center main shaft and side milling head transmission system, direct-connected spindle motor pass through the direct-connected motor board and install at direct-connected motor cabinet top. The direct-connection motor plate can be different in thickness, can be compatible with spindles of different manufacturers and direct-connection spindle motors of different sizes and models, and can effectively reduce production cost.

(4) The utility model discloses a longmen machining center main shaft and side milling head transmission system, including the transition dish that sets up the split type setting in the headstock bottom, the transition dish is including the last transition dish and the lower transition dish that the components of a whole that can function independently set up from top to bottom, adopt split type transition dish when carrying out the dismouting of side milling head, go up the transition dish need not demolish, only need down transition dish and side milling head demolish can, directly during the installation will down transition dish and side milling head install on last transition dish can, because go up the transition dish on the first time when installing have adjusted the axiality with the main shaft, then do not need repeated the axiality to rectify again in follow-up dismouting in-process of relapseing, can directly fix a position, reduce assembly adjustment time and intensity of labour.

(5) The utility model discloses a longmen machining center main shaft and side milling head transmission system, because the bottom of traditional integral type transition dish is connected the face and is less than main shaft bottom terminal surface, can't carry out vertical automatic tool changing when demolising the side milling head, just can carry out the tool changing after the transition dish will be demolishd completely, high labor strength, inconvenient repeated dismouting side milling head, and adopt behind the split type transition dish of this scheme, because the combination face of going up transition dish and lower transition dish is higher than main shaft bottom terminal surface, when dismantling the side milling head, can remain the transition dish, can carry out vertical automatic tool changing when only demolising down transition dish and side milling head, reduce the assembly degree of difficulty and intensity of labour. In addition, the integral transition disc is high in processing difficulty and high in cost, and the split transition disc is simple to process and low in cost.

Drawings

FIG. 1 is a schematic view of a main spindle box according to the present invention;

FIG. 2 is a schematic structural view of the middle spindle box of the present invention when a belt spindle is mounted thereon;

FIG. 3 is a schematic structural view of the middle spindle box of the present invention when a direct spindle is mounted thereon;

FIG. 4 is a schematic view of a sectional structure of a split type side milling head transition disc on a middle spindle box of the present invention;

FIG. 5 is an enlarged schematic view of the upper transition plate of FIG. 4;

fig. 6 is an enlarged schematic view of the lower transition plate of fig. 4.

The reference numerals in the schematic drawings illustrate:

110. a main shaft; 120. an upper transition disk; 121. a card slot; 122. an inner block; 123. a horizontal segment; 130. a lower transition disc; 131. positioning a groove; 132. a receiving section; 133. an avoidance section; 140. a side milling head;

200. a main spindle box; 201. a main shaft mounting surface; 210. a belt spindle; 211. a belt; 212. a knife breaking cylinder base; 213. a knife striking cylinder; 214. a belt spindle motor; 215. a belt motor plate; 216. a belt pulley; 217. a tensioning sleeve; 220. a direct-connected main shaft; 221. a direct-connected motor base; 222. a coupling; 223. a direct-coupled motor plate; 224. a direct-connected spindle motor.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The present invention will be further described with reference to the following examples.

Example 1

The conventional headstock 200 is generally suitable for mounting only one type of spindle 110, but not suitable for mounting both the belt spindle 210 and the direct spindle 220, and cannot meet the use requirements of people, meanwhile, if each spindle 110 is provided with a corresponding spindle box 200, material waste and production cost increase are caused, and in order to solve the above problems, the transmission system of the gantry machining center spindle and the side milling head of the embodiment comprises the spindle box 200 and a split type transition disc arranged at the bottom of the spindle box 200, one side of the headstock 200 is provided with two spindle mounting surfaces 201 in the width direction of the headstock 200, and, specifically, as oriented in fig. 1, the front-rear direction of the left side of the headstock 200 is provided with two spindle mounting faces 201, one spindle mounting surface 201 is used for mounting a belt spindle 210, and the other spindle mounting surface 201 is used for mounting a direct-connection spindle 220; the integrated direct-coupled spindle box 200 and the belt spindle box 200 do not need to be separately cast, so that organization production and material reduction are facilitated, warehouse management is facilitated, the investment cost of early-stage molds is reduced, the common spindle box 200 is adopted, processing is convenient, interchangeability is high, customers can conveniently select different spindles 110, and competitiveness is enhanced.

As shown in fig. 2, in the present embodiment, a spindle mounting surface 201 for mounting the belt spindle 210 has a mounting hole for the belt spindle 210 to pass through, and a belt 211, a unclamping cylinder seat 212 and an unclamping cylinder 213 are sequentially disposed on the top of the belt spindle 210 from bottom to top. The headstock 200 is provided with a mounting surface for mounting the belt spindle motor 214 at a position corresponding to the belt spindle 210, that is, the right side of the headstock 200 is provided with a mounting surface for mounting the belt spindle motor 214 at a position corresponding to the belt spindle 210, and the bottom of the belt spindle motor 214 is mounted on the headstock 200 through a belt motor plate 215. Through changing the belt motor board 215 of different models, can deal with the main shaft 110 of co-altitude and the belt spindle motor 214 output shaft of different length, be favorable to purchasing the diversification, reduction in production cost. The belt spindle motor 214 is provided at the bottom with a pulley 216 and a tension sleeve 217, wherein the pulley 216 is connected with the belt 211. The belt pulley 216 is fixed on the output shaft of the belt spindle motor 214 through the tensioning sleeve 217, and then the belt spindle 210 is connected through the belt 211, so that the belt spindle 210 can be driven to rotate.

As shown in fig. 3, in the present embodiment, a spindle mounting surface 201 for mounting the direct-coupled spindle 220 is provided with a mounting hole for the direct-coupled spindle 220 to pass through, wherein a direct-coupled motor base 221 is disposed at the top of the direct-coupled spindle 220, a coupler 222 is disposed in the direct-coupled motor base 221, the direct-coupled spindle 220 is connected to a direct-coupled spindle motor 224 through the coupler 222, and the direct-coupled spindle motor 224 is mounted at the top of the direct-coupled motor base 221 through a direct-coupled motor plate 223. The direct-connection motor plate 223 can be made of materials with different thicknesses, can be compatible with spindles 110 of different manufacturers and direct-connection spindle motors 224 of different sizes and models, and can effectively reduce production cost.

Because the traditional integrated side milling head transition disc needs to correct the coaxiality of the transition disc and the main shaft 110 each time, which is time-consuming and labor-consuming, and because the size and the weight of the side milling head 140 are large, the coaxiality correction is very laborious, which causes that the disassembly and the assembly of the side milling head 140 are very time-consuming and labor-consuming, in order to solve the problems, the gantry machining center split type side milling head transition disc system comprises the split type transition disc arranged at the bottom of the main shaft box 200, specifically, the split type transition disc is arranged below the main shaft installation surface 201 in the embodiment, wherein the transition disc comprises an upper transition disc 120 and a lower transition disc 130 which are arranged in a split manner from top to bottom, the upper transition disc 120 is fixed at the bottom of the main shaft box 200, the side milling head 140 is arranged on the upper transition disc 120 through the lower transition disc 130, and when the side milling head 140 is disassembled and assembled by adopting the split type transition disc, the upper transition disc 120 does not need to be disassembled, the lower transition disc 130 and the side milling heads 140 only need to be detached, the lower transition disc 130 and the side milling heads 140 can be directly installed on the upper transition disc 120 during installation, and since the coaxiality of the upper transition disc 120 and the main shaft 110 is adjusted during first installation, the coaxiality correction does not need to be repeated during subsequent repeated disassembly and assembly, the positioning can be directly carried out, and the assembly adjustment time and the labor intensity are reduced.

Simultaneously, because the bottom of traditional integral type transition dish is connected the face and is less than main shaft 110 bottom terminal surface, can't carry out vertical automatic tool changing when demolising side cutter head 140, just can carry out the tool changing after will demolising the transition dish completely, high in labor strength, inconvenient repeated dismouting side cutter head 140, and adopt the split type transition dish of this embodiment after, because the combination face of going up transition dish 120 and lower transition dish 130 is higher than main shaft 110 bottom terminal surface, when dismantling side cutter head 140, can remain transition dish 120, can carry out vertical automatic tool changing when only demolising transition dish 130 and side cutter head 140 down, reduce the assembly degree of difficulty and intensity of labour. In addition, the integral transition disc is high in processing difficulty and high in cost, and the split transition disc is simple to process and low in cost.

As shown in fig. 2, a stepped hole extending through in the axial direction is formed in the upper transition plate 120 in this embodiment, the stepped hole is used for being sleeved on the outer periphery of the lower portion of the main shaft 110, and a positioning spigot 121 used for being matched with a threaded section on the outer periphery of the corresponding position on the main shaft 110 is arranged at the top of the stepped hole, so that the positioning and installation with the main shaft 110 are convenient and fast, and the time for dismounting is saved. Wherein, the central position of the bottom of the upper transition disk 120 is provided with an embedded section 122 extending downwards, two ends of the embedded section 122 are provided with vertical sections extending upwards, and the top of the vertical section is provided with a horizontal section 123 extending outwards horizontally.

As shown in fig. 3, in the present embodiment, an inwardly recessed positioning groove 131 is disposed at the top of the lower transition disk 130, and the inner block 122 is engaged into the positioning groove 131, so as to facilitate quick and accurate positioning and disassembly and assembly; the top parts of the two side walls of the positioning groove 131 extend outwards horizontally to form a bearing section 132, the horizontal section 123 is lapped on the bearing section 132, the length of the horizontal section 123 is consistent with that of the bearing section 132, tight combination between the upper transition disc 120 and the lower transition disc 130 can be effectively guaranteed, and the stability of a combination surface is improved. Specifically, in this embodiment, the outer circumference of the inner block 122 is provided with an outer thread section, and the positioning groove 131 is provided with an inner thread section matching with the outer thread section of the inner block 122, so as to facilitate positioning and installation, and further improve the stability of the joint surface between the transition disc 120 and the lower transition disc 130. In this embodiment, the two sides of the bottom of the lower transition disk 130 are provided with inward concave arc avoiding sections 133, so that an operation space for assembling and disassembling the side milling head 140 is conveniently reserved, and the assembling and disassembling are convenient.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a longmen machining center main shaft and side milling head transmission system which characterized in that: the belt type transition disc spindle comprises a spindle box (200) and a split type transition disc arranged at the bottom of the spindle box (200), wherein two spindle mounting surfaces (201) are arranged on one side of the spindle box (200) along the width direction of the spindle box (200), one spindle mounting surface (201) is used for mounting a belt spindle (210), and the other spindle mounting surface (201) is used for mounting a direct-connection spindle (220); the split transition disc is used for being installed below a spindle installation face (201), the split transition disc comprises an upper transition disc (120) and a lower transition disc (130) which are arranged in a split mode from top to bottom, the upper transition disc (120) is fixed to the bottom of a spindle box (200), and a side milling head (140) is installed on the upper transition disc (120) through the lower transition disc (130).

2. The gantry machining center spindle and side milling head transmission system of claim 1, wherein: a mounting hole for the belt spindle (210) to penetrate through is formed in a spindle mounting surface (201) for mounting the belt spindle (210), and a belt (211), a unclamping cylinder seat (212) and an unclamping cylinder (213) are sequentially arranged on the top of the belt spindle (210) from bottom to top.

3. The gantry machining center spindle and side milling head transmission system of claim 2, wherein: the position, corresponding to the belt spindle (210), of the spindle box (200) is provided with a mounting surface for mounting a belt spindle motor (214), and the bottom of the belt spindle motor (214) is mounted on the spindle box (200) through a belt motor plate (215).

4. The gantry machining center spindle and side milling head transmission system of claim 3, wherein: the bottom of the belt spindle motor (214) is provided with a belt pulley (216) and a tension sleeve (217), wherein the belt pulley (216) is connected with the belt (211).

5. The gantry machining center spindle and side milling head transmission system of claim 1, wherein: the mounting hole for the direct connection spindle (220) to penetrate is formed in a spindle mounting surface (201) for mounting the direct connection spindle (220), wherein a direct connection motor base (221) is arranged at the top of the direct connection spindle (220), a coupler (222) is arranged in the direct connection motor base (221), the direct connection spindle (220) is connected with a direct connection spindle motor (224) through the coupler (222), and the direct connection spindle motor (224) is mounted at the top of the direct connection motor base (221) through a direct connection motor plate (223).

6. The transmission system of the main shaft and the side milling head of the gantry machining center according to any one of claims 1 to 5, wherein: a stepped hole which extends and runs through along the axial direction is formed in the upper transition disc (120), and a positioning spigot (121) which is matched with a thread section on the periphery of the corresponding position on the main shaft (110) is arranged at the top of the stepped hole.

7. The gantry machining center spindle and side milling head transmission system of claim 6, wherein: an embedded section (122) extending downwards is arranged at the central position of the bottom of the upper transition disc (120), vertical sections extending upwards are arranged at two ends of the embedded section (122), and a horizontal section (123) extending outwards horizontally is arranged at the top of the vertical sections.

8. The gantry machining center spindle and side milling head transmission system of claim 7, wherein: the top of the lower transition disc (130) is provided with an inward-concave positioning groove (131), and the inner block (122) is matched and clamped in the positioning groove (131).

9. The gantry machining center spindle and side milling head transmission system of claim 8, wherein: the top parts of two side walls of the positioning groove (131) extend outwards horizontally to form a bearing section (132), the horizontal section (123) is lapped on the bearing section (132), and the length of the horizontal section (123) is consistent with that of the bearing section (132).