Positioning fixture for welding automobile frame

Abstract

The utility model relates to the technical field of automobile welding, and disclose a positioning fixture for automobile frame welding, including support platform, the outside of support platform is provided with adjusting assembly, and adjusting assembly is used for flexible adjusting the height and position of clamping structure, the bottom of adjusting assembly is provided with positioning assembly, and positioning assembly is used for installing on mounting platform according to demand. This kind of positioning fixture for automobile frame welding is installed with positioning assembly, the inside structure can be provided with mounting position by fixed plate, the driving motor can drive bidirectional screw rod to rotate, the adjustment block outer expansion or contraction of screw sleeve end can be controlled by rotating, the clamping block of bottom can be inserted into the hole inside correspondingly, then adjust clamping block contraction, when contracting, the clamping of the plate surface of mounting platform can be carried out by the clamping groove, and the quick positioning can be realized by the clamping mode, and the stability can be effectively increased by being arranged in two groups of holes.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile welding technical field, concretely is a kind of positioning fixture for automobile frame welding. BACKGROUND

[0002] When automobile frame is processed, in order to guarantee the stability of welding machine, positioning fixture structure is usually used to clamp the frame, the existing positioning fixture is usually installed on the installation table with multiple installation holes, and is fixed by nut after inserting the hole, and after fixing, the frame can be clamped and fixed by adjusting the positioning fixture.

[0003] In prior art, the existing positioning fixture needs to spend a long time when installing, and single-hole fixing cannot effectively guarantee stability. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of positioning fixture for automobile frame welding to solve the above-mentioned background art in the existing positioning fixture when installing needs to spend a long time, and single-hole fixing cannot effectively guarantee stability.

[0005] In order to solve the above technical problem, the utility model provides the following technical scheme: a kind of positioning fixture for automobile frame welding, including support table, the outer side of support table is provided with adjusting assembly, and adjusting assembly is used to flexibly adjust the height and position of clamping structure, the bottom of adjusting assembly is provided with positioning assembly, and positioning assembly is used to install on installation table according to requirement;

[0006] The adjusting assembly includes limit sliding frame, and the inner side of limit sliding frame is provided with sliding seat, the top of sliding seat is installed with limit plate, and the top of limit plate is installed with telescopic push rod, and the top of telescopic push rod output end is installed with lifting block, the bottom of lifting block is located in support table, the top of support table is installed with fixed screw rod, and the outer side of fixed screw rod is provided with adjusting sleeve nut;

[0007] The positioning assembly includes fixed plate, and the middle part of fixed plate is installed with driving motor, the output end of driving motor is provided with two-way screw rod, and the outer side of two-way screw rod is provided with threaded sleeve, the end of threaded sleeve is installed with adjusting block, and the bottom of adjusting block is installed with clamping block, the inner side of clamping block is provided with clamping groove.

[0008] Preferably, the top of support table is installed with support disc, and the bottom of support table is installed with welding support, the welding support is welded with the back of lifting block, and the welding support and telescopic push rod are in movable contact.

[0009] Preferably, the output end of the telescopic push rod is provided with a piston rod, and the piston rod is located at the bottom of the lifting block.

[0010] Preferably, the lower end of the adjusting sleeve is provided with a bearing, the outer side of the bearing is provided with a clamping plate, and the two sides of the adjusting sleeve are provided with adjusting handles.

[0011] Preferably, the bottom of the front surface of the clamping plate is provided with an auxiliary guide rod, and the auxiliary guide rod is located at the inner side of the guide rod sleeve.

[0012] Preferably, the inner side of the limiting sliding frame is provided with a sliding groove, and the sliding groove is located at the outer side of the sliding seat.

[0013] Preferably, one side of the adjusting block is provided with two groups of limiting guide plates, and the limiting guide plates are located at the inner side of the fixed plate.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] Firstly, the utility model is provided with a positioning assembly, the inner structure can be provided with an installation position by the fixed plate, the bidirectional screw rod can be rotated by the driving motor, the adjusting block at the end of the threaded sleeve can be expanded or contracted, the clamping block at the bottom can be inserted into the hole, then the clamping block is contracted, the clamping groove can be clamped with the plate surface of the installation table when the clamping block is contracted, the quick positioning can be realized by clamping, and the stability can be effectively improved by being arranged in the two groups of holes.

[0016] Secondly, the utility model is provided with an adjusting assembly, the existing clamping structure has certain limitations and cannot be adjusted flexibly, the inner structure of the sliding seat can be limited by the limiting sliding frame, the sliding seat can be slid along the inner side of the limiting sliding frame to adjust the position, the sliding seat can be limited by the fastening knob, and the height of the supporting table and the clamping structure at the top can be adjusted by the telescopic push rod to adapt to different requirements. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the main structure of the utility model;

[0018] Figure 2 It is a schematic view of the telescopic push rod structure of the utility model;

[0019] Figure 3 It is a schematic view of the limiting sliding frame structure of the utility model;

[0020] Figure 4 It is a schematic view of the clamping block structure of the utility model.

[0021] Wherein: 1, support table; 101, support disc; 102, lifting block; 103, piston rod; 104, telescopic push rod; 105, welding support; 106, fixed screw; 107, guide rod sleeve; 2, clamping plate; 201, adjusting screw sleeve; 202, adjusting handle; 203, auxiliary guide rod; 3, limiting sliding frame; 301, limiting plate; 302, sliding seat; 303, fastening knob; 304, sliding groove; 4, driving motor; 401, fixed plate; 402, bidirectional screw; 5, clamping block; 501, adjusting block; 502, threaded sleeve; 503, limiting guide plate; 504, clamping groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 A positioning clamp for automobile frame welding, comprising a support table 1, an adjusting assembly is arranged on the outer side of the support table 1, and the adjusting assembly is used for flexibly adjusting the height and position of the clamping structure, a positioning assembly is arranged at the bottom of the adjusting assembly, and the positioning assembly is used for being mounted on a mounting table according to requirements.

[0024] The adjusting assembly comprises a limiting sliding frame 3, a sliding seat 302 is arranged on the inner side of the limiting sliding frame 3, a limiting plate 301 is mounted at the top of the sliding seat 302, a telescopic push rod 104 is mounted at the top of the limiting plate 301, a lifting block 102 is mounted at the top of the output end of the telescopic push rod 104, the lifting block 102 is located at the bottom of the support table 1, a fixed screw 106 is mounted at the top of the support table 1, and an adjusting screw sleeve 201 is arranged on the outer side of the fixed screw 106.

[0025] The positioning assembly comprises a fixed plate 401, a driving motor 4 is mounted in the middle of the fixed plate 401, a bidirectional screw 402 is arranged on the output end of the driving motor 4, a threaded sleeve 502 is arranged on the outer side of the bidirectional screw 402, an adjusting block 501 is mounted at the end of the threaded sleeve 502, a clamping block 5 is mounted at the bottom of the adjusting block 501, and a clamping groove 504 is formed in the inner side of the clamping block 5.

[0026] By the above technical scheme, the fixed plate 401 can provide a mounting position for the structure on the inner side, and the driving motor 4 can drive the bidirectional screw rod 402 to rotate, which can control the adjustment block 501 at the end of the threaded sleeve 502 to expand or shrink, and the clamping block 5 at the bottom can be inserted into the hole, and then the clamping block 5 is adjusted to shrink, and the clamping groove 504 can clamp the surface of the mounting table, so that quick positioning is realized, and the stability is effectively improved by being arranged in the two groups of holes.

[0027] By the above technical scheme, the limiting slide frame 3 can limit the sliding seat 302 on the inner side, and the sliding seat 302 can slide along the inner side of the limiting slide frame 3 to adjust the position, the fastening knob 303 can limit the sliding seat 302, and the telescopic push rod 104 can drive the support table 1 and the clamping structure on the top to adapt to different requirements.

[0028] Specifically, the top of the support table 1 is provided with a support disc 101, and the bottom of the support table 1 is provided with a welding bracket 105, the welding bracket 105 is welded with the back of the lifting block 102, and the welding bracket 105 and the telescopic push rod 104 are in movable contact.

[0029] By the above technical scheme, the support disc 101 can provide support for the frame, the welding bracket 105 and the lifting block 102 are welded to ensure stability, and the telescopic push rod 104 can provide support to a certain extent.

[0030] Specifically, the output end of the telescopic push rod 104 is provided with a piston rod 103, and the piston rod 103 is located at the bottom of the lifting block 102, and the top of the front surface of the support table 1 is provided with a guide rod sleeve 107.

[0031] By the above technical scheme, the piston rod 103 can drive the lifting block 102 on the top to adjust the height under the control of the telescopic push rod 104, the guide rod sleeve 107 can be spliced with the auxiliary guide rod 203 to maintain the stability of the lifting adjustment, and the telescopic push rod 104 is provided with a connecting line connected with the controller outside.

[0032] Specifically, the lower end of the adjusting screw sleeve 201 is provided with a bearing, the outer side of the bearing is provided with a clamping plate 2, and the two sides of the adjusting screw sleeve 201 are provided with adjusting handles 202.

[0033] By the above technical scheme, the bearing can assist the adjusting screw sleeve 201 to rotate and adjust, the clamping plate 2 can be pressed down to clamp the frame, and the adjusting handle 202 can provide a grip for the user to facilitate adjustment.

[0034] Specific, the front of the clamping plate 2 bottom installation has auxiliary guide rod 203, and auxiliary guide rod 203 is located in the inner side of guide rod sleeve 107.

[0035] Through the above technical scheme, auxiliary guide rod 203 can cooperate with guide rod sleeve 107 for clamping plate 2 to limit, keep the stability of lifting adjustment.

[0036] Specific, the inner side of the limiting sliding frame 3 is provided with sliding groove 304, and sliding groove 304 is located in the outer side of sliding seat 302, the inner side of the back of sliding seat 302 is provided with fastening knob 303, and the bottom of fastening knob 303 is provided with anti-skid screw.

[0037] Through the above technical scheme, sliding groove 304 can limit sliding seat 302, and fastening knob 303 can limit sliding seat 302, so as to adjust to the corresponding position according to the demand.

[0038] Specific, one side of the adjusting block 501 is provided with two sets of limiting guide plate 503, and the limiting guide plate 503 is located in the inner side of the fixed plate 401.

[0039] Through the above technical scheme, limiting guide plate 503 can keep the stability of the telescopic adjustment of adjusting block 501, and drive motor 4 is connected with external controller by connecting line.

[0040] In use, first, two sets of clamping block 5 are inserted into the hole of the mounting table, then the external controller is used to control the drive motor 4 to rotate, the bidirectional screw rod 402 rotates to drive the threaded sleeve 502 and the adjusting block 501 to shrink, the plate surface of the mounting table is embedded in the inner side of the clamping groove 504 during the shrinking process, and the mounting table is fixed after the tightening, then the sliding seat 302 is controlled to adjust horizontally, and the fastening knob 303 is used for fixing, finally, the external controller is used to control the telescopic push rod 104 to adjust the height, after adjusting, the vehicle frame is placed on the top of the supporting disc 101, the adjusting knob 202 is gripped to drive the adjusting sleeve 201 to rotate, and the clamping plate 2 is controlled to move downward to clamp the vehicle frame.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for welding automobile frames, comprising a support platform (1), characterized in that: An adjustment component is provided on the outside of the support platform (1), and the adjustment component is used to flexibly adjust the height and position of the clamping structure. A positioning component is provided at the bottom of the adjustment component, and the positioning component is used to install on the mounting platform as needed. The adjustment component includes a limiting slide frame (3), and a sliding seat (302) is provided on the inner side of the limiting slide frame (3). A limiting plate (301) is installed on the top of the sliding seat (302), and a telescopic push rod (104) is installed on the top of the limiting plate (301). A lifting block (102) is installed on the top of the output end of the telescopic push rod (104). The lifting block (102) is located at the bottom of the support platform (1). A fixing screw (106) is installed on the top of the support platform (1), and an adjusting screw sleeve (201) is provided on the outer side of the fixing screw (106). The positioning component includes a fixing plate (401), and a drive motor (4) is installed in the middle of the fixing plate (401). The output end of the drive motor (4) is provided with a bidirectional screw (402), and a threaded sleeve (502) is provided on the outer side of the bidirectional screw (402). An adjusting block (501) is installed at the end of the threaded sleeve (502), and a clamping block (5) is installed at the bottom of the adjusting block (501). A slot (504) is opened on the inner side of the clamping block (5).

2. The positioning fixture for welding automobile frames according to claim 1, characterized in that: The support platform (1) is equipped with a support plate (101) on its top and a welding bracket (105) is installed at the bottom of the support platform (1). The welding bracket (105) is welded to the back of the lifting block (102) and the welding bracket (105) is in contact with the telescopic push rod (104).

3. The positioning fixture for welding automobile frames according to claim 1, characterized in that: The output end of the telescopic push rod (104) is provided with a piston rod (103), and the piston rod (103) is located at the bottom of the lifting block (102). A guide rod sleeve (107) is installed on the top of the front of the support platform (1).

4. A positioning fixture for welding automobile frames according to claim 1, characterized in that: The lower end of the adjusting screw sleeve (201) is provided with a bearing, and a clamping plate (2) is installed on the outside of the bearing. Adjusting handles (202) are installed on both sides of the adjusting screw sleeve (201).

5. A positioning fixture for welding automobile frames according to claim 4, characterized in that: An auxiliary guide rod (203) is installed on the bottom of the front side of the clamping plate (2), and the auxiliary guide rod (203) is located inside the guide rod sleeve (107).

6. A positioning fixture for welding automobile frames according to claim 1, characterized in that: The inner side of the limiting slide frame (3) is provided with a sliding groove (304), and the sliding groove (304) is located on the outer side of the sliding seat (302). The inner side of the back of the sliding seat (302) is provided with a fastening knob (303), and the bottom of the fastening knob (303) is provided with an anti-slip screw.

7. A positioning fixture for welding automobile frames according to claim 1, characterized in that: Two sets of limiting guide plates (503) are installed on one side of the adjusting block (501), and the limiting guide plates (503) are located inside the fixing plate (401).

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