Engineering vehicle weight box back plate and rib plate welding positioning clamp
By designing lateral and longitudinal limiting components, as well as cylinder-driven limiting blocks and pressing components, the problems of low efficiency and poor model compatibility of traditional positioning fixtures have been solved, enabling efficient welding and positioning of back plates and stiffening plates of various specifications of counterweight boxes, thus improving production efficiency.
Patent Information
- Application Number
- CN202520050802.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Traditional positioning fixtures for the back plate and stiffening plate of the counterweight box in engineering vehicles have low operating efficiency, inconsistent weld quality, and cannot be compatible with various workpiece models, increasing manual labor intensity and affecting production efficiency.
A welding workbench including transverse and longitudinal limiting components was designed. Combined with cylinder-driven limiting blocks and pressing components, it can achieve precise positioning and clamping of back plates and stiffening plates of counterweight boxes of different sizes. It is suitable for welding back plates and stiffening plates of various models of counterweight boxes.
It enables precise positioning and clamping of back plates and stiffening plates of counterweight boxes of various specifications, improving operational convenience, saving manpower, and increasing production efficiency.
Smart Images
Figure CN223718676U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tool fixture technical field, especially a kind of engineering vehicle counterweight box backplate and muscle plate welding positioning fixture. BACKGROUND
[0002] Engineering vehicle counterweight box backplate and muscle plate welding directly affect the overall structural strength and use safety of engineering vehicle.The traditional counterweight box backplate and muscle plate positioning fixture is manually positioned by screw rod tightening, positioning pin or positioning plate as the reference, which has low operation efficiency, non-uniform welding seam quality, cannot meet the compatibility of various workpiece models, cannot realize man-machine cooperation, indirectly increases the labor intensity, the number of various workpiece models of manual welding fixture is numerous, the space utilization rate of workshop is reduced, and the fixture cannot be clamped simultaneously, which affects production efficiency. SUMMARY
[0003] The utility model aims at providing a kind of engineering vehicle counterweight box backplate and muscle plate welding positioning fixture, which can position various counterweight box backplate models.
[0004] The technical scheme of the utility model:
[0005] A kind of engineering vehicle counterweight box backplate and muscle plate welding positioning fixture, including a welding workbench, the welding workbench is provided with transverse limiting component and longitudinal limiting component;
[0006] The transverse limiting component includes the first limiting block being arranged at the top right side of welding workbench, the first limiting block is driven by first telescopic cylinder, the top left end of welding workbench is fixed with the positioning pin matched with first limiting block;
[0007] The longitudinal limiting component includes the second limiting block being arranged at the top rear end left and right sides of welding workbench, the second limiting block is driven by two telescopic cylinders, the top front end of welding workbench is fixed with the positioning reference matched with second limiting block.
[0008] Further, the transverse limiting component further includes the first mounting block being fixed at the top right end of welding workbench, the first travel passage is set in the lower of first mounting block on the welding workbench;The bottom of first mounting block is fixed with first mounting pipe, and the lower end of first mounting pipe passes through first travel passage;First sliding rod is arranged in first mounting pipe, and first sliding rod is driven by first telescopic cylinder;The end of first sliding rod is fixed with first limiting block, and the upper end of first limiting block passes through first travel passage.
[0009] Further, the longitudinal limiting assembly further comprises second mounting blocks fixed at the top rear end of the welding workbench on the left and right sides, a second stroke channel is formed on the welding workbench below the second mounting blocks; the bottom of the second mounting block is fixed with a second mounting pipe, the lower end of the second mounting pipe penetrates through the second stroke channel; a second sliding rod is arranged in the second mounting pipe, the second sliding rod is driven by a second telescopic cylinder; the tail end of the second sliding rod is fixed with a second limiting block, and the upper end of the second limiting block penetrates through the second stroke channel.
[0010] Further, the first pressing assembly for pressing the back plate of the counterweight box is further included; the first pressing assembly comprises a plurality of first mounting ports formed at the top rear end of the welding workbench, a first mounting frame is fixed in the first mounting port, a fixed block is fixed on the first mounting frame, one end of the fixed block is hinged to a swing block, the other end of the swing block is hinged to a pressing rod, and the tail end of the pressing rod is hinged to a supporting block; the supporting block is driven by a third telescopic cylinder.
[0011] A plurality of second mounting ports are formed at the top front end of the welding workbench, a second mounting frame is fixed in the second mounting port, and a clamping cylinder is fixed on the second mounting frame.
[0012] Further, the second pressing assembly for pressing the rib plate is further included; the second pressing assembly comprises straight-line guides fixed at the top left and right ends of the welding workbench, supporting plates are fixed on the front and rear sliding blocks of the straight-line guides, and the supporting plates are driven by rodless cylinders; the two supporting plates at the front end and the two supporting plates at the rear end are connected through a gantry beam, a plurality of fourth telescopic cylinders are fixed on the gantry beam, the push rods of the fourth telescopic cylinders penetrate through the gantry beam and are fixed with pressing blocks.
[0013] Further, a plurality of cushion blocks are fixed on the top of the welding workbench.
[0014] The beneficial effects of the utility model are as follows:
[0015] (1) The length direction of the back plate of the counterweight box can be limited through the transverse limiting assembly, the width direction of the back plate of the counterweight box can be limited through the longitudinal limiting assembly, and the back plate of the counterweight box with different lengths and widths can be limited.
[0016] (2) The back plate of the counterweight box can be pressed through the first pressing assembly.
[0017] (3) The rib plate can be pressed through the second pressing assembly.
[0018] The utility model satisfies the positioning and clamping of the back plate of the counterweight box and the rib plate, is compatible with multiple specifications, is convenient to operate, is simpler and more convenient, saves manpower and improves the efficiency of the production line. DRAWINGS
[0019] Figure 1 It is the structural schematic diagram of the utility model.
[0020] Figure 2 It is the partial structural schematic diagram of the utility model.
[0021] Figure 3 It is the explosion schematic diagram of the utility model.
[0022] Figure 4 It is the structural schematic diagram of the first installation pipe.
[0023] Figure 5 It is the structural schematic diagram of the second installation pipe.
[0024] Figure 6 It is the structural schematic diagram of the pressing rod (before pressing).
[0025] Figure 7 It is the structural schematic diagram of the pressing rod (after pressing).
[0026] In the figure: welding workbench 1, transverse limiting assembly 2, longitudinal limiting assembly 3, counterweight box back plate 100, first limiting block 21, first telescopic cylinder 22, positioning pin 23, second limiting block 31, second telescopic cylinder 32, positioning abutment 33, first mounting block 24, first stroke channel 25, first installation pipe 26, first sliding rod 27, second mounting block 34, second stroke channel 35, second installation pipe 36, second sliding rod 37, first pressing assembly 4, first mounting port 41, first mounting frame 42, fixed block 43, swing block 44, pressing rod 45, supporting block 46, third telescopic cylinder 47, second mounting port 48, second mounting frame 49, clamping cylinder 410, second pressing assembly 5, linear guide rail 51, supporting plate 52, rodless cylinder 53, gantry beam 54, fourth telescopic cylinder 55, pressing block 56, pad 6. DETAILED DESCRIPTION
[0027] The utility model makes further explanation in combination with the drawings.
[0028] As Figures 1-7 The utility model provides a first embodiment of engineering vehicle counterweight box back plate and muscle plate welding positioning clamp, including a welding workbench 1, be provided with transverse limiting assembly 2 and longitudinal limiting assembly 3 on the welding workbench 1, the length direction of counterweight box back plate 100 can be positioned to transverse limiting assembly 2, longitudinal limiting assembly 3 can be positioned to the width direction of counterweight box back plate 100, still can be positioned to the counterweight box back plate 100 of different length and width.
[0029] The transverse limiting assembly 2 comprises a first limiting block 21 arranged on the right side of the top of the welding workbench 1, the first limiting block 21 is driven by a first telescopic cylinder 22, and the left end of the top of the welding workbench 1 is fixed with a positioning pin 23 matched with the first limiting block 21.
[0030] The longitudinal limiting assembly 3 comprises second limiting blocks 31 arranged on the left and right sides of the top rear end of the welding workbench 1, the second limiting blocks 31 are driven by second telescopic cylinders 32, and the front end of the top of the welding workbench 1 is fixed with a positioning abutment 33 matched with the second limiting blocks 31.
[0031] The counterweight box back plate 100 is placed on the welding workbench 1, the first limiting block 21 is driven to move by the first telescopic cylinder 22, when the first limiting block 21 touches the counterweight box back plate 100, the counterweight box back plate 100 is driven to move towards the positioning pin 23, when the positioning pin 23 touches the counterweight box back plate 100, the first telescopic cylinder 22 stops working, then the second limiting block 31 is driven to move by the second telescopic cylinder 32, when the second limiting block 31 touches the counterweight box back plate 100, the counterweight box back plate 100 is driven to move towards the positioning abutment 33, when the positioning abutment 33 touches the counterweight box back plate 100, the second telescopic cylinder 32 stops working. In this way, the counterweight box back plate 100 of different lengths and widths can be limited, which is convenient for subsequent positioning and welding.
[0032] The transverse limiting assembly 2 further comprises a first mounting block 24 fixed on the right end of the top of the welding workbench 1, a first stroke channel 25 is formed below the first mounting block 24 on the welding workbench 1, for movement of the first limiting block 21, a first mounting pipe 26 is fixed to the bottom of the first mounting block 24, the lower end of the first mounting pipe 26 penetrates through the first stroke channel 25, a first sliding rod 27 is arranged in the first mounting pipe 26, the first mounting pipe 26 can play a guiding role when the first sliding rod 27 moves, the first sliding rod 27 is driven by the first telescopic cylinder 22, and the end of the first sliding rod 27 is fixed with the first limiting block 21, and the upper end of the first limiting block 21 penetrates through the first stroke channel 25.
[0033] The first sliding rod 27 is driven to move in the first mounting pipe 26 by the first telescopic cylinder 22, so as to drive the first limiting block 21 to move in the first stroke channel 25.
[0034] The longitudinal limiting assembly 3 further comprises a second mounting block 34 fixed at the top rear end of the welding workbench 1, and a second stroke channel 35 is formed below the second mounting block 34 on the welding workbench 1, for movement of the second limiting block 31; the bottom of the second mounting block 34 is fixed with a second mounting pipe 36, and the lower end of the second mounting pipe 36 penetrates through the second stroke channel 35; a second sliding rod 37 is arranged in the second mounting pipe 36, and the second mounting pipe 36 can play a guiding role when the second sliding rod 37 moves, and the second sliding rod 37 is driven by the second telescopic cylinder 32; the tail end of the second sliding rod 37 is fixed with the second limiting block 31, and the upper end of the second limiting block 31 penetrates through the second stroke channel 35.
[0035] The second sliding rod 37 is driven by the second telescopic cylinder 32 to move in the second mounting pipe 36, so as to drive the second limiting block 31 to move in the second stroke channel 35.
[0036] On the basis of the first embodiment, the utility model provides a second embodiment of engineering vehicle counterweight box back plate and muscle plate welding positioning fixture, still include a first pressing assembly 4 for pressing counterweight box back plate 100, the first pressing assembly 4 includes a plurality of first installation mouth 41 that sets up in the top rear end of welding workbench 1, the first installation mouth 41 is fixed with first mounting frame 42, the first mounting frame 42 is fixed with fixed block 43, the fixed block 43 is hinged with one end of swing block 44, the other end of swing block 44 is hinged with a press bar 45, the tail end of press bar 45 is hinged with a support block 46, and the support block 46 is driven by third telescopic cylinder 47.
[0037] The top front end of the welding workbench 1 is provided with a plurality of second installation openings 48, the second installation openings 48 are fixed with second mounting frames 49, the second mounting frames 49 are fixed with clamping cylinders 410, and the model of the clamping cylinders 410 can be QCKL50x30S, but is not limited thereto.
[0038] When it is necessary to press the counterweight box back plate 100, the support block 46 is driven upward by the third telescopic cylinder 47, so that the press bar 45 moves upward, the swing block 44 swings upward around the fixed block 43, and the press bar 45 swings to press the rear end of the counterweight box back plate 100; the lower pressing shaft on the clamping cylinder 410 is driven downward by the clamping cylinder 410 to press the front end of the counterweight box back plate 100.
[0039] On the basis of the second embodiment, the utility model provides a kind of engineering vehicle counterweight box backplate and rib plate welding positioning fixture third embodiment, it further include second pressing assembly 5 for pressing rib plate 200;Second pressing assembly 5 includes straight line guide rail 51 fixed in the top left and right ends of welding workbench 1, the front and rear sliding block of straight line guide rail 51 is all fixed with support plate 52, support plate 52 is driven by rodless cylinder 53, the model of rodless cylinder 53 can be RMT25X750S, but not only limited to this;Two support plates 52 of front end and two support plates 52 of rear end are connected by gantry beam 54, a plurality of fourth telescopic cylinders 55 are fixed on gantry beam 54, the push rod of fourth telescopic cylinder 55 penetrates gantry beam 54 and is fixed with pressure block 56.
[0040] When counterweight box backplate 100 is positioned, rib plate 200 is placed on counterweight box backplate 100, support plate 52 is moved by rodless cylinder 53, so as to drive two gantry beams 54 to move towards each other, so that pressure block 56 moves above horizontal rib 201 of rib plate 200, horizontal rib 201 on rib plate 200 is pressed by fourth telescopic cylinder 55, so as to press rib plate 200 and counterweight box backplate 100.
[0041] The working principle of the embodiment is that: counterweight box backplate 100 is placed on welding workbench 1, the length direction of counterweight box backplate 100 is positioned by transverse limiting assembly 2, and the width direction of counterweight box backplate 100 is positioned by longitudinal limiting assembly 3;Then counterweight box backplate 100 is pressed by first pressing assembly 4, then rib plate 200 is placed on counterweight box backplate 100 and is fixed by spot welding;Rib plate 200 is pressed by second pressing assembly 5, and then segment welding is carried out by welding robot.
[0042] On the basis of the third embodiment, the utility model provides a kind of engineering vehicle counterweight box backplate and rib plate welding positioning fixture fourth embodiment, the top of welding workbench 1 is fixed with a plurality of pads 6, for supporting counterweight box backplate 100.
[0043] The telescopic cylinder and straight line guide rail in the utility model are prior art, and those skilled in the art can clearly understand, and detailed description is not carried out here.
[0044] The above only describes preferred embodiments of the utility model, and cannot be understood as limiting the application, and any changes and modifications made within the scope of the utility model application patent range shall belong to the scope of the utility model.
Claims
1. An engineered vehicle weight box back plate and stringer welding fixture comprising a welding table, characterized by, The welding workbench is provided with a transverse limiting assembly and a longitudinal limiting assembly; The transverse limiting assembly comprises a first limiting block arranged at the right top of the welding workbench, the first limiting block being driven by a first telescopic cylinder, and a positioning pin being fixed at the left end of the top of the welding workbench and matched with the first limiting block; The longitudinal limiting assembly comprises second limiting blocks arranged at the left and right sides of the rear end of the top of the welding workbench, the second limiting blocks being driven by second telescopic cylinders, and a positioning abutment being fixed at the front end of the top of the welding workbench and matched with the second limiting blocks; The second pressing assembly for pressing the rib plate comprises straight-line guides fixed at the left and right ends of the top of the welding workbench, support plates fixed on the front and rear sliding blocks of the straight-line guides, and the support plates being driven by rodless cylinders; the two support plates at the front end and the two support plates at the rear end are connected through a gantry beam, a plurality of fourth telescopic cylinders are fixed on the gantry beam, the push rods of the fourth telescopic cylinders penetrate the gantry beam and are fixed with pressing blocks.
2. The back plate and rib plate welding fixture for an engineered vehicle ballast box of claim 1, wherein, The transverse limiting assembly further comprises a first mounting block fixed at the right end of the top of the welding workbench, a first stroke channel being arranged below the first mounting block on the welding workbench; a first mounting pipe is fixed at the bottom of the first mounting block, the lower end of the first mounting pipe penetrating the first stroke channel; a first sliding rod is arranged in the first mounting pipe, the first sliding rod being driven by a first telescopic cylinder; a first limiting block is fixed at the end of the first sliding rod, the upper end of the first limiting block penetrating the first stroke channel.
3. The back plate and rib plate welding fixture for an engineered vehicle ballast box of claim 1 or 2, wherein, The longitudinal limiting assembly further comprises second mounting blocks fixed at the left and right sides of the rear end of the top of the welding workbench, a second stroke channel being arranged below the second mounting blocks on the welding workbench; a second mounting pipe is fixed at the bottom of the second mounting block, the lower end of the second mounting pipe penetrating the second stroke channel; a second sliding rod is arranged in the second mounting pipe, the second sliding rod being driven by a second telescopic cylinder; a second limiting block is fixed at the end of the second sliding rod, the upper end of the second limiting block penetrating the second stroke channel.
4. The back plate and rib welding fixture for an engineered vehicle ballast box of claim 1, wherein, The first pressing assembly for pressing the back plate of the counterweight box comprises a plurality of first mounting holes arranged at the rear end of the top of the welding workbench, a first mounting frame being fixed in the first mounting hole, a fixed block being fixed on the first mounting frame, the fixed block being hingedly connected with one end of a swing block, the other end of the swing block being hingedly connected with a pressing rod, and the end of the pressing rod being hingedly connected with a support block, the support block being driven by a third telescopic cylinder; A plurality of second mounting holes are arranged at the front end of the top of the welding workbench, a second mounting frame being fixed in the second mounting hole, and a clamping cylinder being fixed on the second mounting frame.
5. The back plate and rib plate welding fixture for an engineered vehicle ballast box of claim 1, wherein, A plurality of cushion blocks are fixed on the top of the welding workbench.