Auxiliary welding tool for milling machine rack production

Abstract

The utility model provides an auxiliary welding fixture for milling machine frame production, which comprises a bottom plate seat and a guide base, the bottom of the guide base is provided with support legs fixed on the bottom plate seat, the guide base is a horizontally arranged guide cylinder seat, two ends of the guide base are connected with telescopic arms in a sliding manner, and the outer ends of the two telescopic arms are provided with three-jaw chucks. The first hand wheel is rotated to drive the position adjusting gear to be in meshing transmission with the racks arranged at the inner ends of the telescopic arms on the two sides, so that stretching and retracting of the two side positioning pieces are controlled, namely the distance between the two cutterhead machine frames is flexibly adjusted, the bottom edges of the cutterhead machine frames are supported by the pair of side positioning pieces, and the positioning effect is achieved; assembly is simple, and position adjustment is flexible.

Description

Technical Field

[0001] The utility model relates to the technical field of milling machines, in particular to an auxiliary welding tool for producing a milling machine frame. Background Art

[0002] The frame of the milling machine is formed by welding plates. During the welding process, workers use traditional welding tools to splice and fix the plates, and then weld them manually. For example, application number CN201510009123.6 discloses a driving type road grooving machine. For example, when it is necessary to weld a cutter disc frame for assembling the cutter disc, if traditional manual positioning welding is used, the relative position accuracy of the assembly holes on the frames on both sides of the cutter disc cannot be guaranteed, and the verticality of the two cutter disc frames cannot be guaranteed. Utility Model Content

[0003] In order to solve the above problems, the utility model proposes an auxiliary welding tool for producing a milling machine frame to more accurately solve the above problems.

[0004] The utility model is realized by the following technical solutions:

[0005] The utility model proposes an auxiliary welding tool for the production of a milling machine frame, comprising a base plate seat and a guide base, wherein the bottom of the guide base is provided with a support foot fixed on the base plate seat, the guide base is a horizontally placed guide cylinder seat, both ends of the guide base are slidably connected with telescopic arms, and the outer ends of the two telescopic arms are provided with three-jaw chucks, the bottom of the three-jaw chuck is connected with a side positioning bracket, and the two sides of the bottom of the side positioning bracket are connected with two vertically arranged lifting guide frames, the lifting guide frames are provided with vertically guided lifting guide grooves, and the lifting guide grooves are connected with side positioning pieces.

[0006] Furthermore, a positioning gear is connected to the interior of the guide base via a rotating shaft, racks are provided at the inner ends of the two telescopic arms, and the racks provided at the inner ends of the two telescopic arms are respectively meshed with the upper and lower ends of the positioning gear, one end of the rotating shaft connected to the positioning gear extends out of the guide base, and a first hand wheel is provided at the outer end of the rotating shaft.

[0007] Furthermore, the side positioning member includes a first positioning member, a sliding seat slidably connected to the lifting guide groove is provided on the back of the first positioning member, a roller is provided on the upper part of the first positioning member, and a clamp is provided on the outer side of the first positioning member.

[0008] Furthermore, a horizontally arranged guide pin rod is fixed to the outer side wall of the first positioning member, a guide pin hole which slides with the guide pin rod is opened on the clamp, and the clamp is connected to the first positioning member by bolts.

[0009] Furthermore, the two side positioning members located on different sides and corresponding to each other are connected by a two-way telescopic rod. A second hand wheel is provided directly below the base plate seat corresponding to the two-way telescopic rod. A vertically arranged screw is connected to the second hand wheel, and the screw is meshed with the middle part of the two-way telescopic rod for transmission. A transfer seat is provided at the upper end of the screw.

[0010] Beneficial effects of the utility model:

[0011] 1. The utility model drives the adjustment gear to mesh with the racks provided at the inner ends of the telescopic arms on both sides by rotating the first hand wheel, thereby controlling the extension and retraction of the two side positioning members, that is, adjusting the distance between the two cutter disc frames flexibly. A pair of side positioning members supports the bottom edge of the cutter disc frame to achieve the positioning function, which is simple to assemble and flexible to adjust.

[0012] 2. The utility model rotates the adapter to make the screw rod mesh with the middle part of the bidirectional telescopic rod for transmission, so that the bidirectional telescopic rod pulls the lifting of the side positioning members on both sides, and the offset of the cutter head frame can be finely adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the utility model when in use;

[0016] Figure 4 It is a front view of the structure of the utility model;

[0017] Figure 5 It is a front cross-sectional view of the structure of the utility model.

[0018] In the figure: 1. bottom plate seat; 2. guide base; 201. support foot; 202. telescopic arm; 2021. rack; 203. three-jaw chuck; 204. adjustment gear; 2041. first hand wheel; 205. side positioning bracket; 2051. lifting guide frame; 2052. lifting guide groove; 3. side positioning member; 301. first positioning member; 302. slide seat; 303. roller; 304. clamp; 305. guide pin rod; 306. bolt; 4. two-way telescopic rod; 5. screw; 501. adapter seat; 502. second hand wheel; 6. cutter head frame. DETAILED DESCRIPTION

[0019] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0020] Please refer to Figure 1-Figure 5 The utility model proposes an auxiliary welding tool for the production of a milling machine frame, including a base plate 1 and a guide base 2. The bottom of the guide base 2 is provided with a support foot 201 fixed on the base plate 1. The guide base 2 is a horizontally placed guide cylinder seat. Both ends of the guide base 2 are slidably connected with telescopic arms 202, and the outer ends of the two telescopic arms 202 are provided with three-jaw chucks 203. The interior of the guide base 2 is connected with a positioning gear 204 through a rotating shaft. The inner ends of the two telescopic arms 202 are provided with racks 2021, and the racks 2021 provided at the inner ends of the two telescopic arms 202 are respectively meshed with the upper and lower ends of the positioning gear 204. One end of the rotating shaft connected to the positioning gear 204 extends out of the guide base 2, and the outer end of the rotating shaft is provided with a first hand wheel 2041. Figure 1 , Figure 3 and 5 As shown, the two side positioning members 3 are respectively used to fix the cutter disc assembly holes on the two cutter disc frames 6. By rotating the first hand wheel 2041, the adjustment gear 204 is driven to engage and transmit with the rack 2021 provided at the inner end of the telescopic arms 202 on both sides, thereby controlling the extension and retraction of the two side positioning members 3, that is, adjusting the distance between the two cutter disc frames 6 flexibly. The assembly is simple and the adjustment is flexible.

[0021] Combination Figure 1 and Figure 2 As shown, the bottom of the three-jaw chuck 203 is connected to a side positioning bracket 205, and the bottom sides of the side positioning bracket 205 are connected to two vertically arranged lifting guide frames 2051, and the lifting guide frames 2051 are provided with vertically guided lifting guide grooves 2052, and the lifting guide grooves 2052 are connected to the side positioning members 3, combined with Figure 3 As shown, the side positioning member 3 is used to support both sides of the cutter head frame 6 to achieve the positioning function.

[0022] like Figure 3 As shown, the side positioning member 3 includes a first positioning member 301, a sliding seat 302 slidably connected to the lifting guide groove 2052 is provided on the back of the first positioning member 301, a roller 303 is provided on the upper part of the first positioning member 301, and the roller 303 is in rolling contact with the bottom edge of the cutter disc frame 6 to reduce wear, and a clamp 304 is provided on the outer side of the first positioning member 301, and a horizontally arranged guide pin rod 305 is fixed to the outer side wall of the first positioning member 301, and a guide pin hole slidably matched with the guide pin rod 305 is opened on the clamp 304, and the clamp 304 and the first positioning member 301 are connected by bolts 306. Under the fixation of the bolts 306, the first positioning member 301 and the clamp 304 clamp the cutter disc frame 6, thereby forming a stable positioning.

[0023] The two side positioning members 3 located on different sides and corresponding to each other are connected by a two-way telescopic rod 4. A second hand wheel 502 is provided directly below the base plate seat 1 corresponding to the two-way telescopic rod 4. A vertically arranged screw rod 5 is connected to the second hand wheel 502, and the screw rod 5 is meshed and transmitted with the middle part of the two-way telescopic rod 4. An adapter seat 501 is provided at the upper end of the screw rod 5. By rotating the adapter seat 501, the screw rod 5 is meshed and transmitted with the middle part of the two-way telescopic rod 4, so that the two-way telescopic rod 4 pulls the side positioning members 3 on both sides to rise and fall, and the offset of the cutter disc frame 6 can be finely adjusted.

[0024] Working principle: The utility model drives the adjusting gear 204 to mesh and transmit with the racks 2021 provided at the inner ends of the telescopic arms 202 on both sides by rotating the first hand wheel 2041, thereby controlling the extension and retraction of the two side positioning members 3, that is, adjusting the distance between the two cutter disc frames 6 flexibly. The bottom edge of the cutter disc frame 6 is supported by a pair of side positioning members 3 to achieve the positioning function, with simple assembly and flexible adjustment. By rotating the adapter 501, the screw rod 5 is meshed and transmitted with the middle part of the two-way telescopic rod 4, so that the two-way telescopic rod 4 pulls the side positioning members 3 on both sides to rise and fall, and the offset of the cutter disc frame 6 can be finely adjusted.

[0025] Of course, the present utility model may have many other implementations. Based on the present implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present utility model.

Claims

1. An auxiliary welding tool for the production of a milling machine frame, comprising a base plate (1) and a guide base (2), characterized in that: The guide base (2) is provided with a support foot (201) at the bottom thereof and fixed on the bottom plate base (1); the guide base (2) is a horizontally placed guide cylinder base; both ends of the guide base (2) are slidably connected with telescopic arms (202); and the outer ends of the two telescopic arms (202) are provided with three-jaw chucks (203); the bottom of the three-jaw chuck (203) is connected with a side positioning bracket (205); two vertically arranged lifting guide frames (2051) are connected to the two sides of the bottom of the side positioning bracket (205); a vertically guided lifting guide groove (2052) is provided on the lifting guide frame (2051); and a side positioning member (3) is connected to the lifting guide groove (2052).

2. The auxiliary welding tool for milling machine frame production according to claim 1, characterized in that: The guide base (2) is internally connected with a positioning gear (204) via a rotating shaft, the inner ends of the two telescopic arms (202) are each provided with a rack (2021), and the racks (2021) provided at the inner ends of the two telescopic arms (202) are respectively meshed with the upper and lower ends of the positioning gear (204), one end of the rotating shaft connected to the positioning gear (204) extends outside the guide base (2), and the outer end of the rotating shaft is provided with a first hand wheel (2041).

3. The auxiliary welding tool for milling machine frame production according to claim 1, characterized in that: The side positioning member (3) comprises a first positioning member (301), the back of the first positioning member (301) is provided with a sliding seat (302) which is slidably connected with the lifting guide groove (2052), the upper part of the first positioning member (301) is provided with a roller (303), and the outer side of the first positioning member (301) is provided with a clamping member (304).

4. The auxiliary welding tool for milling machine frame production according to claim 3, characterized in that: A horizontally arranged guide pin rod (305) is fixed to the outer side wall of the first positioning member (301), a guide pin hole for slidingly cooperating with the guide pin rod (305) is opened on the clamp (304), and the clamp (304) and the first positioning member (301) are connected by a bolt (306).

5. The auxiliary welding tool for milling machine frame production according to claim 1, characterized in that: The two side positioning members (3) located on different sides and corresponding to each other are connected via a bidirectional telescopic rod (4); a second hand wheel (502) is provided directly below the base plate seat (1) corresponding to the bidirectional telescopic rod (4); a vertically arranged screw rod (5) is connected to the second hand wheel (502); the screw rod (5) is meshed with the middle part of the bidirectional telescopic rod (4) for transmission; and a transfer seat (501) is provided at the upper end of the screw rod (5).

Images