CN218695987U

CN218695987U - Gantry machining center with high stability

Info

Publication number: CN218695987U
Application number: CN202222647398.0U
Authority: CN
Inventors: 周健达
Original assignee: Nanyang Dalitai Machinery Co ltd
Current assignee: Nanyang Dalitai Machinery Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-24
Anticipated expiration: 2032-10-09

Abstract

The utility model provides a longmen machining center that stability is strong, which comprises a frame, the supporting leg, a mounting rack, set up the first sharp slip table at both ends about the mounting bracket left and right sides respectively along the fore-and-aft direction, set up the second sharp slip table between two first sharp slip table's of homonymy slide, the diaphragm of setting between the slide of two second sharp slip tables, the setting is in the diaphragm bottom and along the third sharp slip table of left and right directions operation, the setting is at the headstock of third sharp slip table bottom, the setting is at the connecting block of headstock bottom and set up the main shaft in the connecting block bottom. Through the utility model discloses a longmen machining center that stability is strong can adjust the structure through symmetrical structure's vertical position, comes nimble, convenient and steadily to adjust the vertical position of headstock to make it keep steady, thereby process the work piece better.

Description

Gantry machining center with high stability

Technical Field

The utility model belongs to the technical field of reach longmen machining center, in particular to longmen machining center that stability is strong.

Background

With the gantry machining center, the axis of the Z shaft of the main shaft is perpendicular to the machining center of the workbench, the whole structure is a large machining center machine with a portal structure frame consisting of double columns and a top beam, and a cross beam is arranged in the middle of the double columns. The method is particularly suitable for processing large workpieces and workpieces with complex shapes. The gantry machining center is classified into a fixed beam type (beam fixing, workbench moving/rotating), a movable beam type (beam moving up and down, workbench moving back and forth), a movable column type (workbench fixing, gantry moving), a crown block type (workbench fixing, beam moving) and a multi-type gantry machining center in the above composite form. The processing characteristics, capability and processing application of the aimed product are not completely the same; the structure is characterized in that: the system comprises a workbench, a gantry, a ram, a tool magazine, an accessory head magazine, a numerical control system and precision. When in use, the unstable structure can cause the product to be processed with great deviation, and only the stable structure can cause the precision of the product to be high.

Notice for CN 215146718U's utility model discloses a longmen machining center that stability is strong, a serial communication port, including base, backup pad and electronic rotatory piece, the backup pad is installed on the base, is equipped with the slide rail in the backup pad, and both sides are equipped with the recess in the slide rail, are equipped with the pedestal in the backup pad, and the pedestal has the lug that corresponds with the slide rail, and rotatory piece is installed on the pedestal. This kind of longmen machining center that stability is strong, when using, the lug can be more stable through the connection of slide rail, can freely move around, the rotatory piece of top installation can rotate when needs use, the workstation of drive top rotates, can carry out a processing to the article of top wantonly, the installation of screw rod one makes the headstock can carry out the up-and-down motion at the back, it can prevent above the part that needs the processing from sliding to install the rubber slipmat on the workstation, install the bumper shock absorber under the base, can reduce vibrations, increase its stability. However, the technical solution of this patent has the following drawbacks: because the second connecting block, the spindle box and the first connecting block are adjusted in vertical position only through the matching of the support, the first screw rod and the first motor which are arranged on one side, the vertical position adjusting structure is not symmetrically arranged, and the defect that the one end of the spindle box far away from the first screw rod is easy to incline and deviate due to insufficient stability is overcome.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a gantry machining center that stability is strong to prior art's not enough, can adjust the vertical position of headstock through symmetrical structure's vertical position, nimble, convenient and steadily to make it keep steady, thereby process the work piece better.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a longmen machining center that stability is strong, which comprises a frame, the supporting leg of setting at the frame top, the mounting bracket of the U type of setting at the frame top, set up the first straight line slip table at both ends about the mounting bracket left and right sides respectively along the fore-and-aft direction, set up the second straight line slip table between the slide of two first straight line slip tables of homonymy, the diaphragm of setting between the slide of two second straight line slip tables, the setting is in the diaphragm bottom and along the third straight line slip table of left and right sides direction operation, the setting is at the headstock of third straight line slip table bottom, the setting is at the connecting block of headstock bottom and the main shaft of setting in the connecting block bottom.

Furthermore, the top of the rack is also provided with a limiting module for limiting and fixing the workpiece.

Furthermore, the limiting module comprises a limiting groove arranged at the top of the frame, telescopic push rods respectively arranged on the inner walls of the four side ends of the limiting groove, and fixed pressing plates respectively connected with output shafts of the four telescopic push rods, and the four telescopic push rods are hydraulic telescopic push rods. Through the cooperation of spacing groove, four flexible push rods, four fixed pressing plate, can carry out spacing fixed to the work piece of placing the processing that needs to carry out in the frame, avoid it to take place the skew easily at the in-process of processing afterwards.

Further, the bottom of supporting leg still is provided with the walking wheel, and the side of supporting leg still is provided with the extension board, still is provided with on the extension board to be used for carrying out the rag bolt fixed with ground, be provided with in the ground with the thread tightening section of thick bamboo of rag bolt looks adaptation, the walking wheel is the universal wheel that the band pulley was stopped. Through the travelling wheels, a user can move the device to a proper position in a time-saving and labor-saving manner, and then the foundation bolt can penetrate through the extension plate and is connected with the ground, so that the device is prevented from easily deviating; when the device needs to be moved again later, the foundation bolt is separated from the ground.

Furthermore, the top of the rack is provided with a connecting groove fixed in clamping connection with the mounting rack, and a connecting bolt fixed in clamping connection with the mounting rack is arranged on the connecting groove. Through the cooperation of spread groove and connecting bolt, can realize the nimble of mounting bracket and frame and be connected and dismantle.

Furthermore, the side of spacing groove is provided with the mounting plate, is provided with the fastening bolt that is used for fixing with the frame on the mounting plate. Through the cooperation of mounting plate and fastening bolt, can realize the nimble of spacing groove and frame and be connected and dismantle.

Furthermore, the inner side wall of the fixed pressing plate is provided with anti-skid grains. Through the anti-skidding line, can strengthen the frictional force between stationary platen and the work piece to the reinforcing is to the spacing fixed effect of work piece.

Compared with the prior art, the beneficial effects of the utility model are as follows: through the cooperation of frame, supporting leg, mounting bracket, four first straight line slip tables, two straight line slip tables of second, diaphragm, third straight line slip tables, headstock, connecting block and main shaft, can adjust the vertical position of headstock through symmetrical structure's vertical position adjustment structure, come nimble, convenient and steadily to make it keep steady, thereby process the part better.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

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

In the figure: 101. a frame; 102. supporting legs; 103. a mounting frame; 104. a first linear sliding table; 105. a second linear sliding table; 106. a transverse plate; 107. a third linear sliding table; 108. a main spindle box; 109. connecting blocks; 110. a main shaft; 111. a traveling wheel; 112. an extension plate; 113. anchor bolts; 114. a thread fixing cylinder; 115. connecting grooves; 116. a connecting bolt; 117. a fastening plate; 118. fastening a bolt; 119. a workpiece; 201. a limiting groove; 202. a telescopic push rod; 203. and fixing the pressing plate.

Detailed Description

For a better understanding of the present invention, the contents of the present invention will be further clarified below by referring to examples, but the present invention is not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.

As shown in fig. 1-2, a gantry machining center with strong stability comprises a frame 101, support legs 102 disposed on the top of the frame 101, a U-shaped mounting frame 103 disposed on the top of the frame 101, first linear sliding tables 104 disposed on the upper and lower ends of the left and right sides of the mounting frame 103 along the front and rear directions, second linear sliding tables 105 disposed between the sliding bases of the two first linear sliding tables 104 on the same side, a transverse plate 106 disposed between the sliding bases of the two second linear sliding tables 105, a third linear sliding table 107 disposed on the bottom of the transverse plate 106 and running along the left and right directions, a headstock 108 disposed on the bottom of the third linear sliding table 107, a connecting block 109 disposed on the bottom of the headstock 108, and a spindle 110 disposed on the bottom of the connecting block 109.

The top of the rack 101 is further provided with a limiting module for limiting and fixing the workpiece 119, the limiting module comprises a limiting groove 201 arranged at the top of the rack 101, telescopic push rods 202 respectively arranged on the inner walls of four side ends of the limiting groove 201, and fixed press plates 203 respectively connected with output shafts of the four telescopic push rods 202, and the four telescopic push rods 202 are hydraulic telescopic push rods 202. Through the matching of the limiting groove 201, the four telescopic push rods 202 and the four fixed pressing plates 203, the workpiece 119 which is placed on the rack 101 and needs to be processed can be limited and fixed, and the workpiece is prevented from easily deviating in the subsequent processing process.

Firstly, a workpiece 119 needing top grinding is placed on the rack 101 and located in the limiting groove 201, then output shafts of the four telescopic push rods 202 are extended by corresponding lengths, and the four fixed pressing plates 203 are respectively abutted against four side ends of the workpiece 119, so that the workpiece 119 located in the limiting groove 201 is limited and fixed; then, a polishing head can be mounted on the main shaft 110 according to the polishing requirement on the workpiece 119, the sliding seats of the two second linear sliding tables 105 synchronously move downwards for a certain distance, so that the polishing head moves to the top of the workpiece 119 to polish the top of the workpiece 119, then the horizontal positions of the main shaft box 108 and the main shaft 110 in the front-back direction can be adjusted by moving the sliding seats of the four first linear sliding tables 104 back and forth, the horizontal positions of the main shaft box 108 and the main shaft 110 in the left-right direction can be adjusted by moving the sliding seats of the two third linear sliding tables 107 left and right, the polishing range of the polishing head is changed and expanded, and the polishing treatment on the whole area of the top of the workpiece 119 is realized. When it is necessary to perform another processing on the workpiece 119, another processing device may be attached to the spindle 110.

After the workpiece 119 is processed, the four first linear sliding tables 104, the two second linear sliding tables 105 and the third linear sliding table 107 can be reset, so that the spindle box 108 and the spindle 110 are driven to reset; after that, the output shafts of the four telescopic push rods 202 are shortened by a certain length, the four fixed pressing plates 203 are reset, the workpiece 119 is released from the position-limiting fixing, and then the workpiece 119 that has been processed can be removed from the frame 101.

According to the utility model discloses a further embodiment, as shown in fig. 1, the bottom of supporting leg 102 still is provided with walking wheel 111, and the side of supporting leg 102 still is provided with extension board 112, still is provided with on the extension board 112 to be used for carrying out the rag bolt 113 fixed with ground, is provided with the screw thread solid fixed cylinder 114 with rag bolt 113 looks adaptation in the ground, and the universal wheel that walking wheel 111 stopped for the band pulley. Through the travelling wheels 111, a user can move the device to a proper position in a time-saving and labor-saving manner, and then the foundation bolts 113 can penetrate through the extension plate 112 and be connected with the ground, so that the device is prevented from easily shifting; when the apparatus is subsequently moved again, it is sufficient to first detach the anchor bolts 113 from the ground.

According to another embodiment of the present invention, as shown in fig. 3, the top of the frame 101 is provided with a connecting groove 115 fixed to the mounting frame 103 in a clamping manner, and the connecting groove 115 is provided with a connecting bolt 116 fixed to the mounting frame 103 in a clamping manner. Through the cooperation of the connecting groove 115 and the connecting bolt 116, the mounting frame 103 can be flexibly connected and detached to and from the rack 101.

According to another embodiment of the present invention, as shown in fig. 4, the side of the limiting groove 201 is provided with a fastening plate 117, and the fastening plate 117 is provided with a fastening bolt 118 for fixing with the frame 101. Through the cooperation of the fastening plate 117 and the fastening bolt 118, the flexible connection and the disassembly of the limiting groove 201 and the rack 101 can be realized.

According to another embodiment of the present invention, the inner sidewall of the fixed pressing plate 203 is further provided with anti-slip lines. Through the anti-skidding line, can strengthen the frictional force between fixed clamp plate 203 and the work piece 119 to the reinforcing is to the spacing fixed effect of work piece 119.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a gantry machining center that stability is strong, includes frame (101) and sets up supporting leg (102) at frame (101) top, its characterized in that: the novel horizontal linear sliding table is characterized by further comprising a U-shaped mounting frame (103) arranged at the top of the rack (101), first linear sliding tables (104) arranged at the upper end and the lower end of the left side and the right side of the mounting frame (103) along the front-back direction respectively, second linear sliding tables (105) arranged between sliding seats of the two first linear sliding tables (104) on the same side, a transverse plate (106) arranged between the sliding seats of the two second linear sliding tables (105), a third linear sliding table (107) arranged at the bottom of the transverse plate (106) and running along the left-right direction, a spindle box (108) arranged at the bottom of the third linear sliding table (107), a connecting block (109) arranged at the bottom of the spindle box (108) and a spindle (110) arranged at the bottom of the connecting block (109).

2. The gantry machining center with strong stability of claim 1, wherein: the top of the rack (101) is also provided with a limiting module for limiting and fixing the workpiece (119).

3. The gantry machining center with strong stability as claimed in claim 2, wherein: the limiting module comprises a limiting groove (201) arranged at the top of the rack (101), telescopic push rods (202) respectively arranged on the inner walls of four side ends of the limiting groove (201), and fixed pressing plates (203) respectively connected with output shafts of the four telescopic push rods (202).

4. The gantry machining center with strong stability of claim 3, wherein: the four telescopic push rods (202) are all hydraulic telescopic push rods (202).

5. The gantry machining center with strong stability of claim 4, wherein: the bottom of supporting leg (102) still is provided with walking wheel (111), the side of supporting leg (102) still is provided with extension board (112), still be provided with on extension board (112) and be used for carrying out the rag bolt (113) fixed with ground, be provided with the screw thread solid fixed cylinder (114) with rag bolt (113) looks adaptation in the ground.

6. The gantry machining center with strong stability of claim 5, wherein: the traveling wheels (111) are universal wheels with wheels and brakes.

7. The gantry machining center with strong stability of claim 5 or 6, wherein: frame (101) top is provided with spread groove (115) fixed with mounting bracket (103) joint, be provided with connecting bolt (116) fixed with mounting bracket (103) joint on spread groove (115).