Scraper machine head assembling and welding positioning device

Abstract

The invention discloses a scraper machine head assembly welding positioning device which comprises a base, a first positioning assembly, a second positioning assembly and a third positioning assembly, the first positioning assembly extends in the width direction of the base and is arranged on the base, a positioning groove extending in the circumferential direction of the first positioning assembly is formed in the outer circumferential face of the first positioning assembly, and the second positioning assembly is arranged in the positioning groove. The second positioning assembly is arranged on the base, the second positioning assembly and the positioning groove are arranged at intervals in the length direction of the base, the second positioning assembly can move relative to the base in the length direction of the base, and the third positioning assembly is arranged on the base and is arranged at intervals with the first positioning assembly in the length direction of the base. The first positioning assembly is arranged between the second positioning assembly and the third positioning assembly, the third positioning assembly can rotate around the length direction of the base relative to the base, and the third positioning assembly can move along the length direction of the base relative to the base. The scraper machine head assembling and welding positioning device has the advantages of being simple in structure, convenient to position, high in welding precision and the like.

Description

Technical Field

[0001] The invention relates to the field of scraper machine manufacturing, and in particular to a scraper machine head assembly welding positioning device. Background Art

[0002] The scraper conveyor head frame is welded by steel plates and provides support and fixation for the drive device in the scraper conveyor. It is responsible for the driving, guiding and positioning of the chain, ensuring that the scraper conveyor can operate efficiently and stably.

[0003] In the related art, the welding of the scraper conveyor head frame requires a relatively high technical level of the operator, has low welding efficiency and great welding difficulty. Summary of the invention

[0004] The present invention is based on the inventor's discovery and understanding of the following facts and problems:

[0005] In the related art, the assembly welding method of the scraper conveyor head frame is to weld a plurality of limit blocks on a flat steel plate to limit the relative positions of the side plate, the base plate and the connecting plate, and then use a relatively large 90-degree angle ruler to stick to the side plate so that the side plate and the flat steel plate are in a vertical state, and then the bottom plate and the middle plate are bonded between the two side plates in turn, and the base plate and the connecting plate are bonded to the outside of the two side plates. Then, three-dimensional measurement is performed to correct the scraper conveyor head frame deformed by welding, eliminate the deformation between the connected structural parts caused by welding stress during spot welding, and weld the main body of the scraper conveyor head frame after meeting the technical requirements.

[0006] However, the assembly and welding of the scraper conveyor head frame involves three-dimensional alignment, which requires measuring and determining the position and size of each structural component in the scraper conveyor head frame in three-dimensional space, predicting the welding stress and deformation during the welding and bonding process, and also involves shaping correction after welding. This increases the difficulty of welding accordingly, and requires a relatively high level of technical skills from the operators, resulting in relatively low efficiency in the assembly and welding of the scraper conveyor head frame.

[0007] The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

[0008] To this end, an embodiment of the present invention provides a scraper machine head assembly welding positioning device with accurate positioning, high welding efficiency, and low welding difficulty.

[0009] The scraper machine head assembly welding positioning device according to an embodiment of the present invention comprises: a base; a first positioning component, the first positioning component extends along the width direction of the base and is arranged on the base, the outer peripheral surface of the first positioning component is provided with a positioning groove extending along its circumference, and the positioning groove is used to cooperate with the side plate of the machine head; a second positioning component, the second positioning component is arranged on the base and is spaced apart from the positioning groove along the length direction of the base, so that the second positioning component abuts against one end of the side plate of the machine head, and the second positioning component is movable relative to the base along the length direction of the base, so that the second positioning component drives the side plate of the machine head The plate is movable along the length direction of the base; a third positioning assembly, the third positioning assembly is arranged on the base and is spaced apart from the first positioning assembly along the length direction of the base, the first positioning assembly is arranged between the second positioning assembly and the third positioning assembly, the third positioning assembly can be rotated relative to the base around the length direction of the base, the third positioning assembly can be movable relative to the base along the length direction of the base, the second positioning assembly and the third positioning assembly cooperate to clamp the two ends of the side plate of the machine head, or the first positioning assembly and the third positioning assembly cooperate to clamp the two ends of the bottom plate of the machine head.

[0010] The scraper machine head welding positioning device of the embodiment of the present invention is provided with a base, a first positioning component, a second positioning component and a third positioning component, which can position the side plates and the bottom plate of the scraper machine head, so that the side plates are installed on the positioning device, so that the positions of the side plates and the bottom plate of the head are determined, thereby ensuring the welding accuracy of the scraper machine head and reducing the welding difficulty.

[0011] In some embodiments, the first positioning assembly includes: a first support plate, the first support plate extends in the up-down direction and is arranged on the base; a mounting tube, the mounting tube extends in the width direction of the base and is arranged on the first support plate, the mounting tube is provided with a first groove and a second groove arranged at intervals along the width direction of the base, the first groove and the second groove both extend along the circumference of the mounting tube, the first groove and the second groove define the mounting groove; a first positioning block and a second positioning block, the first positioning block and the second positioning block both extend in the width direction of the base and are arranged relative to each other at intervals along the width direction of the base, the first positioning block and the second positioning block The blocks are arranged between the mounting tube and the third positioning assembly and are adjacent to the third positioning assembly, the first positioning block is provided with a first positioning groove penetrating the first positioning block along the length direction of the base, the first positioning groove and the first groove are spaced apart along the width direction of the base, so that the two ends of one side plate of the machine head can be respectively inserted into the first positioning groove and the first groove, the second positioning block is provided with a second positioning groove penetrating the second positioning block along the length direction of the base, the second positioning groove and the second groove are spaced apart along the width direction of the base, so that the two ends of the other side plate of the machine head can be respectively inserted into the second positioning groove and the second groove.

[0012] In some embodiments, the first positioning assembly further includes a third positioning block and a fourth positioning block, the third positioning block and the fourth positioning block are arranged on the side of the mounting tube facing the third positioning assembly and are spaced relative to each other along the width direction of the base, the third positioning block and the fourth positioning block are both spaced apart from the third positioning assembly along the length direction of the base, and in a projection plane orthogonal to the length direction of the base, the third positioning block and the fourth positioning block are located between the first groove and the second groove, so that the upper base plate of the machine head is placed on the third positioning assembly, the third positioning block and the fourth positioning block.

[0013] In some embodiments, the scraper machine head welding and positioning device also includes a second support plate, a first drive member and a second drive member, the second support plate is arranged on the base and the upper end of the second support plate is connected to the third positioning block and the fourth positioning block, so that the second support plate supports the third positioning block and the fourth positioning block, the first drive member and the second drive member are both passed through the second support plate, and the first drive member and the second drive member can both be abutted against one end of the lower bottom plate of the machine head, so that the first drive member and the second drive member can adjust the position of the lower bottom plate of the machine head.

[0014] In some embodiments, the first positioning block includes a first plate and a second plate, the first plate and the second plate both extend along the width direction of the base, the first plate and the second plate are spaced apart along the width direction of the base to form the first positioning groove, the second plate and the third positioning block are spaced apart along the length direction of the base, the first plate is arranged on a side of the second plate away from the second positioning block, the second positioning block and the third plate and the fourth plate, the third plate and the fourth plate both extend along the width direction of the base, the third plate and the fourth plate are spaced apart along the width direction of the base to form the second positioning groove, the third plate and the fourth positioning block are spaced apart along the length direction of the base, and one end of the lower base plate of the machine head is laid on the second plate and the third plate.

[0015] In some embodiments, the scraper machine head welding and positioning device also includes a fifth plate and a sixth plate, the fifth plate and the sixth plate both extend along the width direction of the base and are both arranged adjacent to one side of the first positioning component, the fifth plate and the first plate are spaced apart along the length direction of the base, a first mounting groove is provided on the side of the fifth plate facing the sixth plate, a second mounting groove is provided on the side of the first plate facing the second plate, the first mounting groove and the second mounting groove are spaced apart and opposite to each other along the length direction of the base, and both ends of the base plate of the machine head are respectively arranged in the first mounting groove and the second mounting groove, the sixth plate is provided on the side of the fifth plate with a third mounting groove, the fourth plate is provided on the side of the third plate with a fourth mounting groove, the third mounting groove and the fourth mounting groove are spaced apart and opposite to each other along the length direction of the base, and both ends of the base plate of the machine head are respectively arranged in the third mounting groove and the fourth mounting groove.

[0016] In some embodiments, a fifth mounting groove is provided at the upper end of the third positioning block away from the mounting tube, and a sixth mounting groove is provided at the upper end of the fourth positioning block away from the mounting tube. The fifth mounting groove and the sixth mounting groove are spaced apart and arranged relative to each other along the width direction of the base.

[0017] In some embodiments, the second positioning assembly includes: a first mounting seat and a second mounting seat, the first mounting seat and the second mounting seat are arranged on the base at intervals along the width direction of the base; a third driving member and a fourth driving member, the third driving member is passed through the first mounting seat and is movable relative to the first mounting seat along the length direction of the base, the third driving member and the first groove are arranged at intervals along the length direction of the base, the third driving member is used to drive the side plate of the machine head, the fourth driving member is passed through the second mounting seat and is movable relative to the second mounting seat along the length direction of the base, the fourth driving member and the second groove are arranged at intervals along the length direction of the base, and the fourth driving member is used to drive the side plate of the machine head.

[0018] In some embodiments, the third positioning assembly includes a third mounting seat and a fourth mounting seat, the third mounting seat and the fourth mounting seat are both arranged on the base and spaced apart along the width direction of the base, the third mounting seat includes a first vertical plate and a first horizontal plate, one end of the first horizontal plate is arranged on the first vertical plate, the fourth mounting seat includes a second vertical plate and a second horizontal plate, one end of the second horizontal plate is arranged on the second vertical plate, the third mounting seat and the fourth mounting seat are both rotatable relative to the base around the length direction of the base at a first position and a second position, in the first position, the lower end of the first vertical plate and the lower end of the second vertical plate are both arranged on the base and one side of the first vertical plate and one side of the second vertical plate can be attached to the side plate of the machine head, at least a portion of the first horizontal plate is located between the first vertical plate and the second vertical plate, at least a portion of the second horizontal plate is located between the first vertical plate and the second vertical plate, and in the second position, the third mounting seat and the fourth mounting seat are both lifted off the base;

[0019] In some embodiments, the third driving member also includes: a first positioning member and a second positioning member, the first positioning member is penetrated through at least a portion of the first horizontal plate, and one end of the second positioning member is penetrated through at least a portion of the second horizontal plate, and the first positioning member and the second positioning member are both suitable for supporting the upper base plate of the machine head; a third positioning member and a fourth positioning member, the third positioning member and the fourth positioning member are respectively penetrated through the first vertical plate and the second vertical plate, so that in the first position, the third positioning member passes through the first vertical plate and is penetrated through the machine head, and the fourth positioning member passes through the second vertical plate and is penetrated through the machine head. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a scraper machine head assembly welding positioning device according to an embodiment of the present invention.

[0021] Figure 2 It is a rear view of the scraper machine head assembly welding positioning device according to an embodiment of the present invention.

[0022] Figure 3 It is a structural schematic diagram of the third positioning component of the scraper machine head assembly welding positioning device according to an embodiment of the present invention.

[0023] Figure 4 The invention is a schematic diagram of the installation of a scraper machine head assembly welding positioning device and a machine head according to an embodiment of the present invention.

[0024] Figure 5 It is a cross-sectional view of a scraper machine head assembly welding positioning device and a machine head according to an embodiment of the present invention.

[0025] Scraper head welding positioning device 100;

[0026] Base 1;

[0027] First positioning assembly 2; first support plate 21; mounting tube 22; positioning groove 221; first groove 2211; second groove 2212;

[0028] First positioning block 23; first plate 232; second mounting groove 2321; second plate 233;

[0029] The second positioning block 24; the third plate 242; the fourth plate 243; the fourth mounting groove 2431;

[0030] A third positioning block 25; a fifth mounting groove 251;

[0031] Fourth positioning block 26; sixth mounting slot 252;

[0032] A first driving member 27; a second driving member 28; a second supporting plate 29;

[0033] The second positioning assembly 3; the first mounting seat 31; the second mounting seat 32; the third driving member 33; the fourth driving member 34;

[0034] The third positioning assembly 4; the third mounting seat 41; the first vertical plate 411; the first horizontal plate 412; the fourth mounting seat 42; the second vertical plate 421; the second horizontal plate 422; the first positioning member 43; the second positioning member 44; the third positioning member 45; the fourth positioning member 46;

[0035] Fifth plate 5; first mounting groove 51; sixth plate 6; third mounting groove 61;

[0036] Machine head 7; first side plate 71; second side plate 72; upper bottom plate 73; lower bottom plate 74; first connecting plate 75; first base plate 76. DETAILED DESCRIPTION

[0037] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0038] The following describes a scraper machine head assembly welding positioning device 100 according to an embodiment of the present invention with reference to the accompanying drawings.

[0039] like Figure 1-5 As shown, the scraper machine head assembly welding positioning device 100 according to an embodiment of the present invention includes a base 1, a first positioning component 2, a second positioning component 3 and a third positioning component 4.

[0040] The first positioning component 2 extends along the width direction of the base 1 (eg Figure 1 The first positioning assembly 2 is provided on the base 1, and the outer peripheral surface of the first positioning assembly 2 is provided with a positioning groove 221 extending along the circumference thereof, and the positioning groove 221 is used to cooperate with the side plate of the machine head 7. Specifically, as Figure 1 As shown, the base 1 is a horizontal plate extending in the left-right direction, the first positioning component 2 is arranged at the left end of the base 1, the first positioning component 2 extends in the front-back direction and is provided with a positioning groove 221, and the left end portion of the side plate of the scraper head 7 is provided with a groove, which can be penetrated into the positioning groove 221, so as to position the side plate of the head 7 through the first positioning component 2.

[0041] The second positioning assembly 3 is disposed on the base 1 and is aligned with the positioning groove 221 along the length direction of the base 1 (eg Figure 1 The second positioning assembly 3 is arranged at intervals in the left and right directions as shown, so that the second positioning assembly 3 abuts against one end of the side plate of the machine head 7, and the second positioning assembly 3 is movable relative to the base 1 along the length direction of the base 1, so that the second positioning assembly 3 drives the side plate of the machine head 7 to move along the length direction of the base 1. Specifically, as Figure 1-5 As shown, the second positioning component 3 is arranged on the base 1 and on the left side of the first positioning component 2. The second positioning component 3 is movable along the left and right directions on the base 1. When the side panel of the machine head 7 is installed on the first positioning component 2, the second positioning component 3 can be against the left side of the side panel of the machine head 7.

[0042] The third positioning assembly 4 is arranged on the base 1 and is spaced apart from the first positioning assembly 2 along the length direction of the base 1. The first positioning assembly 2 is arranged between the second positioning assembly 3 and the third positioning assembly 4. The third positioning assembly 4 can rotate relative to the base 1 around the length direction of the base 1. The third positioning assembly 4 can move relative to the base 1 along the length direction of the base 1. The second positioning assembly 3 and the third positioning assembly 4 cooperate to clamp the two ends of the side plate of the machine head 7, or the first positioning assembly 2 and the third positioning assembly 4 cooperate to clamp the two ends of the bottom plate of the machine head 7. Specifically, as Figure 1-3As shown, the third positioning component 4 is arranged on the base 1 and is located on the right side of the first positioning component 2. The third positioning component 4 and the second positioning component 3 are arranged opposite to each other in the left-right direction. When the side panel of the machine head 7 is arranged on the first positioning component 2, the left and right ends of the side panel of the machine head 7 can be clamped between the second positioning component 3 and the third positioning component 4, or the two ends of the bottom plate of the machine head 7 can be clamped between the first positioning component 2 and the third positioning component 4, thereby fixing the side panel and the bottom plate of the machine head 7 on the base 1.

[0043] The scraper machine head welding positioning device 100 of the embodiment of the present invention is provided with a base 1, a first positioning component 2, a second positioning component 3 and a third positioning component 4, which can position the side plate and the bottom plate of the scraper machine head 7, so that the side plate is installed on the positioning device 100, so that the positions of the side plate of the head 7 and the bottom plate of the head 7 are determined, thereby ensuring the welding accuracy of the scraper machine head 7 and reducing the welding difficulty.

[0044] In some embodiments, the first positioning assembly 2 includes a first support plate 21 , a mounting tube 22 , a first positioning block 23 and a second positioning block 24 .

[0045] The first support plate 21 extends in the up-down direction and is disposed on the base 1. Figure 1-2 As shown, the first support plate 21 extends in the up-down direction, and the lower end of the first support plate 21 is fixed on the base 1 .

[0046] The mounting tube 22 extends along the width direction of the base 1 and is disposed on the first support plate 21. The mounting tube 22 is provided with a first groove 2211 and a second groove 2212 spaced apart along the width direction of the base 1. The first groove 2211 and the second groove 2212 both extend along the circumference of the mounting tube 22. The first groove 2211 and the second groove 2212 define a mounting groove. Specifically, as Figure 1-2 As shown, the mounting cylinder 22 is a circular cylinder and is fixed to the upper end of the first support plate 21. The mounting cylinder 22 is provided with a first groove 2211 and a second groove 2212 extending along its circumference. The first groove 2211 and the second groove 2212 are spaced apart in the left and right directions, and the mounting groove includes the first groove 2211 and the second groove 2212. Since the side plate of the machine head 7 includes the first side plate 71 and the second side plate 72, the left end of the first side plate 71 is inserted into the first groove 2211, and the left end of the second side plate 72 is inserted into the second groove 2212, and the first side plate 71 and the second side plate 72 are both clamped between the first positioning assembly 2 and the second positioning assembly 3, so that the first side plate 71 and the second side plate 72 are vertically fixed on the base 1.

[0047] The first positioning block 23 and the second positioning block 24 both extend along the width direction of the base 1 and are arranged opposite to each other at intervals along the width direction of the base 1. The first positioning block 23 and the second positioning block 24 are both arranged between the mounting tube 22 and the third positioning assembly 4 and are arranged adjacent to the third positioning assembly 4. The first positioning block 23 is provided with a first positioning groove penetrating the first positioning block 23 along the length direction of the base 1. The first positioning groove and the first groove 2211 are arranged at intervals along the width direction of the base 1 so that the two ends of one side plate (first side plate 71) of the machine head 7 can be respectively inserted into the first positioning groove and the first groove 2211. The second positioning block 24 is provided with a second positioning groove penetrating the second positioning block 24 along the length direction of the base 1. The second positioning groove and the second groove 2212 are arranged at intervals along the width direction of the base 1 so that the two ends of the other side plate (second side plate 72) of the machine head 7 can be respectively inserted into the second positioning groove and the second groove 2212. Specifically, as Figure 1-3 As shown, the first positioning block 23 and the second positioning block 24 both extend in the front-to-back direction and are arranged relative to each other at intervals in the front-to-back direction. The first positioning block 23 and the second positioning block 24 are arranged at the right end of the mounting tube 22. The first positioning block 23 is provided with a first positioning groove penetrating the first positioning block 23 in the left-right direction, and the second positioning block 24 is provided with a second positioning groove penetrating the second positioning block 24 in the left-right direction. The first positioning groove and the first groove 2211 are arranged relative to each other at intervals in the left-right direction, and the second positioning groove and the second groove 2212 are arranged relative to each other at intervals in the left-right direction. The left and right ends of the first side plate 71 are respectively penetrated in the first positioning groove and the first groove 2211, and the left and right ends of the second side plate 72 are respectively penetrated in the second positioning groove and the second groove 2212, so that the first side plate 71 is vertically fixed on the base 1 through the cooperation of the first groove 2211 and the first mounting groove 51, and the second side plate 72 is vertically fixed on the base 1 through the cooperation of the second groove 2212 and the second mounting groove 2321.

[0048] In some embodiments, the first positioning assembly 2 further includes a third positioning block 25 and a fourth positioning block 26, which are arranged on the side of the mounting tube 22 facing the third positioning assembly 4 and are spaced relative to each other along the width direction of the base 1. The third positioning block 25 and the fourth positioning block 26 are spaced apart from the third positioning assembly 4 along the length direction of the base 1. In the projection plane orthogonal to the length direction of the base 1, the third positioning block 25 and the fourth positioning block 26 are located between the first groove 2211 and the second groove 2212, so that the upper base plate 73 of the machine head 7 is placed on the third positioning assembly 4, the third positioning block 25 and the fourth positioning block 26. Specifically, as Figure 1-2As shown, the third positioning block 25 and the fourth positioning block 26 are both horizontal blocks extending in the left-right direction and are both arranged at the right end of the mounting tube 22. The third positioning block 25 and the fourth positioning block 26 are relatively arranged at intervals in the front-to-back direction. The first groove 2211, the third positioning block 25, the fourth positioning block 26 and the second groove 2212 are sequentially arranged at intervals in the front-to-back direction. The third positioning block 25 and the fourth positioning block 26 are arranged at intervals with the third positioning member 45 in the left-to-right direction, so that the third positioning assembly 4, the third positioning block 25 and the fourth positioning block 26 are used to support the left and right ends of the upper base plate 73 of the machine head 7.

[0049] In some embodiments, the scraper machine head welding positioning device 100 further includes a second support plate 29, a first drive member 27 and a second drive member 28, the second support plate 29 is arranged on the base 1 and the upper end of the second support plate 29 is connected to the third positioning block 25 and the fourth positioning block 26, so that the second support plate 29 supports the third positioning block 25 and the fourth positioning block 26, the first drive member 27 and the second drive member 28 are both arranged on the second support plate 29, and the first drive member 27 and the second drive member 28 can both be against one end of the lower bottom plate 74 of the machine head 7, so that the first drive member 27 and the second drive member 28 can adjust the position of the lower bottom plate 74 of the machine head 7. Specifically, as Figure 1 , Figure 2 and Figure 4 As shown, the second support plate 29 extends in the up-down direction, the lower end of the second support plate 29 is fixed on the base 1, and the upper end of the second support plate 29 is connected to the first drive member 27 and the second drive member 28. The first drive member 27 and the second drive member 28 can both be top screws and are passed through the second support plate 29, so that the first drive member 27 and the second drive member 28 pass through the first support plate 21 and abut against the left end of the lower bottom plate 74 of the machine head 7, so that the first drive member 27 and the second drive member 28 drive the lower bottom plate 74 of the machine head 7 to move in the left-right direction to adjust the position of the lower bottom plate 74 of the machine head 7.

[0050] In some embodiments, the first positioning block 23 includes a first plate 232 and a second plate 233, both of which extend along the width direction of the base 1, and the first plate 232 and the second plate 233 are spaced apart along the width direction of the base 1 to form a first positioning groove, and the second plate 233 and the third positioning block 25 are spaced apart along the length direction of the base 1, and the first plate 232 is disposed on a side of the second plate 233 away from the second positioning block 24. Specifically, as Figure 1As shown, the first plate 232 and the second plate 233 are both horizontal plates extending in the front-to-back direction and are arranged on the base 1 at intervals along the front-to-back direction. The first positioning groove is formed between the first plate 232 and the second plate 233 and the first positioning groove and the first groove 2211 are arranged at intervals along the left-right direction. Thus, the first side plate 71 is vertically arranged on the base 1 through the first positioning groove and the first groove 2211, and the first plate 232 is arranged on the front side of the second plate 233, thereby making the setting of the first positioning block 23 more reasonable.

[0051] In some embodiments, the second positioning block 24 and the third plate 242 and the fourth plate 243, the third plate 242 and the fourth plate 243 are all extended along the width direction of the base 1, the third plate 242 and the fourth plate 243 are spaced apart along the width direction of the base 1 to form a second positioning groove, the third plate 242 and the fourth positioning block 26 are spaced apart along the length direction of the base 1, the fourth plate 243 is arranged on the side of the third plate 242 away from the first positioning block 23, and one end of the lower bottom plate 74 of the machine head 7 is placed on the second plate 233 and the third plate 242. Specifically, as Figure 1 As shown, the third plate 242 and the fourth plate 243 are both horizontal plates extending in the front-to-back direction and are arranged on the base 1 at intervals along the front-to-back direction, the second positioning groove is formed between the third plate 242 and the fourth plate 243 and the first positioning groove and the second groove 2212 are arranged at intervals along the left-right direction, thereby, the second side plate 72 is vertically arranged on the base 1 through the second positioning groove and the second groove 2212, and the third plate 242 is arranged on the front side of the fourth plate 243, thereby, the second positioning block 24 is more reasonably arranged, and the second plate 233 and the third plate 242 can support the right end portion of the lower base plate 74 of the machine head 7, thereby positioning the lower base plate 74 of the machine head 7.

[0052] Since the machine head 7 also has two base plates, the two base plates are respectively a first base plate 76 and a second base plate, the first base plate 76 is arranged on the front side of the first side plate 71, and the second base plate is arranged on the rear side of the second base plate, thus, in some embodiments, the scraper machine head welding positioning device 100 also includes a fifth plate 5 and a sixth plate 6, the fifth plate 5 and the sixth plate 6 both extend along the width direction of the base 1 and are both arranged adjacent to one side of the first positioning component 2, the fifth plate 5 and the first plate 232 are arranged at intervals along the length direction of the base 1, the fifth plate 5 is provided with a first mounting groove 51 on the side facing the sixth plate 6, and the first plate 232 faces the second plate 2 A second mounting groove 2321 is provided on one side of the sixth plate 6 facing the fifth plate 5, and a fourth mounting groove 2431 is provided on one side of the fourth plate 243 facing the third plate 242. The third mounting groove 61 and the fourth mounting groove 2431 are relatively arranged at intervals along the length direction of the base 1, and the two ends of the second base plate 76 of the machine head 7 are respectively arranged in the first mounting groove 51 and the second mounting groove 2321.

[0053] Specifically, Figure 1 and Figure 2 As shown, the fifth plate 5 and the sixth plate 6 are both horizontal plates extending in the front-to-back direction and are arranged on the base 1 at intervals in the front-to-back direction. The fifth plate 5 and the sixth plate 6 are arranged between the first positioning component 2 and the third positioning component 4 and are arranged adjacent to the first positioning component 2. The upper end surface of the rear end portion of the fifth plate 5 is provided with a first mounting groove 51, the upper end surface of the rear end portion of the first plate 232 is provided with a second mounting groove 2321, the upper end surface of the front end portion of the sixth plate 6 is provided with a third mounting groove 61, the upper end surface of the front end portion of the fourth plate 243 is provided with a fourth mounting groove 2431, and the first mounting groove 51 and the second mounting groove 2321 are arranged opposite to each other at intervals in the left-to-right direction, and the third mounting groove 61 and the fourth mounting groove 2431 are arranged opposite to each other at intervals in the left-to-right direction. Therefore, the first base plate 76 is arranged in the first mounting groove 51 and the second mounting groove 2321, and the second base plate is arranged in the third mounting groove 61 and the fourth mounting groove 2431, so that the first base plate 76 is installed on the front side of the first side plate 71, and the second base plate is installed on the rear side of the second side plate 72.

[0054] In some embodiments, the third positioning block 25 is provided with a fifth mounting groove 251 at the upper end of the side away from the mounting tube 22, and the fourth positioning block 26 is provided with a sixth mounting groove 252 at the upper end of the side away from the mounting tube 22. The fifth mounting groove 251 and the sixth mounting groove 252 are arranged opposite to each other along the width direction of the base 1. Specifically, as Figure 1As shown, a fifth mounting groove 251 is provided on the upper end surface of the right end portion of the third positioning block 25, and a sixth mounting groove 252 is provided on the upper end surface of the right end portion of the fourth positioning block 26. The fifth mounting groove 251 and the sixth mounting groove 252 are arranged opposite to each other in the front-to-back direction. The left end of the upper base plate 73 of the machine head 7 is arranged in the fifth mounting groove 251 and the sixth mounting groove 252, and the left end surface of the upper base plate 73 abuts against the right end surface of the fifth mounting groove 251 and the right end surface of the sixth mounting groove 252, and the lower end surface of the upper base plate 73 abuts against the upper end surface of the fifth mounting groove 251 and the upper end surface of the sixth mounting groove 252. Thus, the upper base plate 73 of the machine head 7 is positioned by the fifth mounting groove 251 and the sixth mounting groove 252.

[0055] In some embodiments, the second positioning assembly 3 includes a first mounting seat 31, a second mounting seat 32, a third driving member 33, a fourth driving member 34,

[0056] The first mounting seat 31 and the second mounting seat 32 are arranged on the base 1 at intervals along the width direction of the base 1. Figure 1-5 As shown, the first mounting seat 31 and the second mounting seat 32 are fixedly mounted on the base 1 along the front-to-back direction and are both located on the left side of the first left positioning button.

[0057] The third driving member 33 is disposed on the first mounting seat 31 and is movable relative to the first mounting seat 31 along the length direction of the base 1. The third driving member 33 and the first slot 2211 are spaced apart along the length direction of the base 1. The third driving member 33 is used to drive the side plate of the machine head 7. The fourth driving member 34 is disposed on the second mounting seat 32 and is movable relative to the second mounting seat 32 along the length direction of the base 1. The fourth driving member 34 and the second slot 2212 are spaced apart along the length direction of the base 1. The fourth driving member 34 is used to drive the side plate of the machine head 7. Specifically, as Figure 1-5 As shown, the third driving member 33 and the fourth driving member 34 can both be lead screws. The third driving member 33 is passed through the first mounting seat 31 and threadedly matched with the first mounting seat 31. The fourth driving member 34 is passed through the second mounting seat 32 and threadedly matched with the second mounting seat 32. The third driving member 33 abuts against the left end of the first side plate 71, and the fourth driving member 34 abuts against the left end of the second side plate 72. As a result, the first side plate 71 is clamped between the third driving member 33 and the third positioning assembly 4, and the second side plate 72 is clamped between the fourth driving member 34 and the third positioning assembly 4, which fixes the first side plate 71 and the second side plate 72.

[0058] In some embodiments, the third positioning assembly 4 includes a third mounting seat 41 and a fourth mounting seat 42, both of which are arranged on the base 1 and spaced apart along the width direction of the base 1, the third mounting seat 41 includes a first vertical plate 411 and a first horizontal plate 412, one end of the first horizontal plate 412 is arranged on the first vertical plate 411, the fourth mounting seat 42 includes a second vertical plate 421 and a second horizontal plate 422, one end of the second horizontal plate 422 is arranged on the second vertical plate 421, and both of the third mounting seat 41 and the fourth mounting seat 42 are rotatable relative to the base 1 at a first position and a second position around the length direction of the base 1. Specifically, as Figure 1-5 As shown, the third positioning assembly 4 includes a third mounting seat 41 and a fourth mounting seat 42, the lower end of the first vertical plate 411 is hinged on the base 1, the rear end of the first horizontal plate 412 is fixed at the middle of the first horizontal plate 412, the lower end of the second vertical plate 421 is hinged on the base 1, and the second horizontal plate 422 is fixed at the middle of the second vertical plate 421.

[0059] In the first position, the lower end of the first vertical plate 411 and the lower end of the second vertical plate 421 are both arranged on the base 1 and one side of the first vertical plate 411 and one side of the second vertical plate 421 can be in contact with the side plate of the machine head 7, at least part of the first horizontal plate 412 is located between the first vertical plate 411 and the second vertical plate 421, and at least part of the second horizontal plate 422 is located between the first vertical plate 411 and the second vertical plate 421. In the second position, the third mounting seat 41 and the fourth mounting seat 42 are both lifted off the base 1. Specifically, as Figure 1-5 As shown, in the first position, the first vertical plate 411 and the second vertical plate 421 are both in a vertical state and are arranged on the base 1, the rear side of the first vertical plate 411 abuts against the front side of the first side plate 71, and the front side of the second vertical plate 421 abuts against the rear side of the second side plate 72, thereby, the first vertical plate 411 and the second vertical plate 421 can ensure that the first side plate 71 and the second side plate 72 are in a vertical state, reducing the probability of the first side plate 71 and the second side plate 72 tilting, the first horizontal plate 412 and the second horizontal plate 422 are both in a horizontal state, the rear end of the first horizontal plate 412 and the front end of the second horizontal plate 422 are located between the first vertical plate 411 and the second vertical plate 421, and the right end of the first side plate 71 and the right end of the second side plate 72 abut against the left end of the first horizontal plate 412 and the left end of the second horizontal plate 422 respectively.

[0060] In some embodiments, the third driving member 33 further includes a first positioning member 43 , a second positioning member 44 , a third positioning member 45 and a fourth positioning member 46 .

[0061] The first positioning member 43 is disposed through at least a portion of the first horizontal plate 412, and one end of the second positioning member 44 is disposed through at least a portion of the second horizontal plate 422. The first positioning member 43 and the second positioning member 44 are both suitable for supporting the upper bottom plate 73 of the machine head 7. Specifically, as Figure 1-5 As shown, the first positioning member 43 and the second positioning member 44 are positioning plates extending in the left and right directions. The first positioning member 43 can be inserted into the rear end portion of the first horizontal plate 412 and the left end of the first positioning member 43 is located between the first side plate 71 and the second side plate 72. The second positioning member 44 can be inserted into the front end portion of the second horizontal plate 422 and the left end of the second positioning member 44 is located between the first side plate 71 and the second side plate 72. Thus, the right end of the upper base plate 73 of the machine head 7 can be supported on the left end of the first positioning member 43 and the left end of the second positioning member 44.

[0062] The machine head 7 further includes a first connecting plate 75 and a second connecting plate, whereby, in some embodiments, the third positioning member 45 and the fourth positioning member 46 are respectively provided on the first vertical plate 411 and the second vertical plate 421, so that in the first position, the third positioning member 45 is provided on the machine head 7 through the first vertical plate 411, and the fourth positioning member 46 is provided on the machine head 7 through the second vertical plate 421. Specifically, as Figure 1-5 As shown, the third positioning member 45 and the fourth positioning member 46 can both be pins. The third positioning member 45 can pass through the first vertical plate 411 and be arranged on the first connecting plate 75 of the machine head 7. The third positioning member 45 can pass through the second vertical plate 421 and be arranged on the second connecting plate of the machine head 7, thereby positioning the first connecting plate 75 and the second connecting plate, making it convenient to weld the first connecting plate 75 to the first side plate 71 and the second connecting plate to the second side plate 72.

[0063] The following is attached according to the instruction manual Figure 1-5 The scraper machine head welding positioning device 100 specifically includes:

[0064] Base 1;

[0065] The mounting cylinder 22 is arranged at one end of the top surface of the base 1, and its height matches the height of the center line between the positioning blocks of the head 7, and is used to determine the height of the output shaft of the reducer and the sprocket. The bottom of the mounting cylinder 22 is welded to the base 1 through the first support plate 21, and is further welded to the base 1 through the third positioning block 25 and the fourth positioning block 26 and the second column 12, and is used to constrain the parallelism and verticality of the first side plate 71 and the second side plate 72;

[0066] A first mounting seat 31 and a second mounting seat 32, which are arranged at one end of the first supporting plate 21 and away from the second column 12, and are used to screw in a third driving member 33 and a fourth driving member 34 to constrain the longitudinal positions of the first side plate 71 and the second side plate 72;

[0067] A first plate 232 and a fourth plate 243, the first plate 232 and the fourth plate 243 are respectively disposed at two ends of the first side plate 71 and the second side plate 72, and are used to constrain the relative position between the first base plate 76 and the first side plate 71, and the relative position between the second base plate and the second side plate 72;

[0068] The second plate 233 and the third plate 242 are abutted against the adjacent surfaces of the first side plate 71 and the second side plate 72, and the distal end dimensions of the second plate 233 and the third plate 242 match the spacing distance between the first side plate 71 and the second side plate 72, and are used to constrain the first side plate 71 and the second side plate 72 to a parallel state. At the same time, the height of their top surfaces matches the height of the bottom surface of the lower bottom plate 74 of the machine head 7, and are used to constrain the height dimension of the lower bottom plate 74 of the machine head 7 away from one end of the mounting tube 22.

[0069] A first hinge seat and a second hinge seat, the first hinge seat and the second hinge seat are arranged at the other end of the top surface of the base 1, and a first through hole is arranged on the first hinge seat and the second hinge seat for passing a pin shaft to rotatably connect the third mounting seat 41 and the fourth mounting seat 42; and

[0070] The third mounting seat 41 and the fourth mounting seat 42, and the first vertical plate and the second vertical plate of the third mounting seat 41 and the fourth mounting seat 42 are both provided with two guide sleeves for slidingly connecting the third positioning member 45 and the fourth positioning member 46 to constrain the positions of the first connecting plate 75 and the second connecting plate, and a guide square cylinder is provided between the two guide sleeves at the end away from the mounting cylinder 22 to slideably connect the first positioning member 43 and the second positioning member 44 to constrain the position of the upper base plate 73 of the machine head 7.

[0071] The third positioning member 45 and the fourth positioning member 46 are both provided with a first keyway for accommodating the front end of the first screw to restrict the third positioning member 45 and the fourth positioning member 46 from sliding out of the guide sleeve.

[0072] The first positioning member 43 and the second positioning member 44 are provided with a second keyway for accommodating the front end of the second screw, so as to constrain the first positioning member 43 and the second positioning member 44 so as not to slide out of the guide square tube.

[0073] It can be understood that the two first support plates 21 and the two second columns 12 are welded at intervals on the top of one end of the base 1, and the mounting cylinder 22 is welded on the top surface of the two first support plates 21, so that the axis of the mounting cylinder 22 is parallel to the top surface of the base 1 and perpendicular to the center line of the base 1, so that the center of the mounting cylinder 22 coincides with the height of the output shaft of the reducer and the bearing seat to be connected, and the third positioning block 25 and the fourth positioning block 26 are welded on the top of the second column 12, and the third positioning block 25 and the fourth positioning block 26 are welded on the top of the second column 12. One end is welded to the mounting tube 22 to form a frame structure that is beneficial to enhancing the rigidity of the mounting tube 22. Then, taking the mounting tube 22 as a reference, the fifth plate 5 and the sixth plate 6, the hinge seat and the first mounting seat 31 and the second mounting seat 32 are aligned and welded in sequence. The third driving member 33 and the fourth driving member 34 and the second top screw 11 are adjusted to the specified position and locked with a nut. The third mounting seat 41 and the fourth mounting seat 42 are rotatably connected to the hinge seat with a pin shaft to form a scraper head assembly welding positioning device 100.

[0074] The method of using the present invention is as follows: twist the third mounting seat 41 and the fourth mounting seat 42 in the direction away from the upper bottom plate 73 of the machine head 7, insert the front ends of the first side plate 71 and the second side plate 72 into the first groove 2211 and the second groove 2212, and abut against the third driving member 33 and the fourth driving member 34 adjusted to the accurate position. At this time, the first side plate 71 and the second side plate 72 are exactly in the front-to-back aligned position under the constraints of the positions of the two third driving members 33 and the fourth driving member 34, and the first side plate 71 and the second side plate 72 are exactly in a vertical state with the base 1 under the constraints of the adjacent end surfaces of the first groove 2211 and the second groove 2212, and the first side plate 71 and the second side plate 72 are exactly in a vertical state with the base 1, and the constraints of the first positioning groove and the second positioning groove make the first side plate 71 and the second side plate 72 is just in a parallel state, which becomes the reference for manufacturing the scraper head 7 frame; put the bottom support beam between the first side plate 71 and the second side plate 72, and make the left end of the bottom support beam of the head 7 abut against the first driving member 27 and the second driving member 28, put one end of the lower bottom plate 74 of the head 7 on the step of the bottom support beam of the head 7, and put the other end of the lower bottom plate 74 of the head 7 on the second plate 233 and the third plate 242, spot weld and bond the connected welds, and the lower bottom plate 74 of the head 7 is just located at the position marked on the drawing; then, swing the third mounting seat 41 and the fourth mounting seat 42 to the first position, so that the bottom surface of the first vertical plate and the ground of the second vertical plate are in contact with the base 1, at this time, the first vertical plate is just parallel to the first side plate 71, and the first vertical plate is just parallel to the first side plate 71. The second vertical plate is exactly parallel to the second side plate 72, and then, the first positioning member 43 and the second positioning member 44 are pushed forward, and one end of the upper bottom plate 73 of the machine head 7 is overlapped on the fifth mounting groove 251 and the sixth mounting groove 252 at one end of the third positioning block 25 and the fourth positioning block 26, so that the other end of the upper bottom plate 73 of the machine head 7 is overlapped on the first positioning member 43 and the second positioning member 44, and the connected welds are spot welded, and the upper bottom plate 73 of the machine head 7 is exactly located at the position marked on the drawing; the bottom and side surfaces of the first base plate 76 and the second base plate are abutted against the fifth plate 5 and the sixth plate 6, and the first base plate 76 and the second base plate can be spot welded and bonded to the first side plate 71 and the second side plate 72 respectively; the third positioning member 45 and the fourth positioning member 46 are respectively By pushing the first vertical plate 411 and the second vertical plate 421 into the through holes of the first base plate 76 and the second base plate, and making the first base plate 76 and the second base plate respectively abut against the first vertical plate and the second vertical plate, the first base plate 76 and the second base plate can be spot welded and bonded to the first side plate 71 and the second side plate 72 respectively; after the rib plate and the transition plate are bonded to the specified position, the scraper head 7 can be partially welded, and then the first positioning member 43, the second positioning member 44 and the first positioning member 43 and the second positioning member 44 can be pulled out, and the third mounting seat 41 and the fourth mounting seat 42 can be moved to a distant position, and the scraper head 7 can be pulled out from the first groove 2211 and the second groove 2212, and welded as a whole.

[0075] The beneficial effects of the present invention are:

[0076] 1) The relative position of each structural member is controlled more accurately; after adjusting the position defined by the first top screw and the second top screw to the standard, nuts are used for tightening, and the side panels and the bottom supporting beam are abutted against the first top screw and the second top screw, so that the longitudinal position of the side panels and the bottom supporting beam is determined. An outer annular groove section is set on the core shaft. The verticality of the two side panels and the top surface of the base 1 is determined by the constraint of the outer annular groove section. With the support of the first positioning block 23, the second positioning block 24, the longitudinal beam and the plug plate, the height position of the base plate, the bottom plate and the middle plate is determined, so that each structural member is constrained to an accurate position, ensuring the use requirements of the scraper head 7.

[0077] 2) Reduce the difficulty of operation; the present invention is a three-dimensional jig composed of multiple positioning points. During the assembly and welding of the scraper head 7, as long as the side plates, middle plates and other structural parts are placed in the jig, these structural parts will be in the correct position, which correspondingly reduces the difficulty of operation during the assembly and welding of the scraper head.

[0078] 3) Improve the welding efficiency; during the welding of the scraper head 7, each structural member is spot welded and partially welded under a constrained state, the corresponding deformation is small, the shaping time is short, and the number of dimensional measurement positions involved is small, which correspondingly improves the welding efficiency.

[0079] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0080] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0081] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0082] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0083] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0084] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A scraper machine head welding positioning device, characterized in that: include: Base; A first positioning assembly, the first positioning assembly extending along the width direction of the base and arranged on the base, the outer peripheral surface of the first positioning assembly is provided with a positioning groove extending along the circumference thereof, the positioning groove is used to cooperate with the side plate of the machine head; A second positioning assembly, the second positioning assembly is arranged on the base and is spaced apart from the positioning groove along the length direction of the base, so that the second positioning assembly abuts against one end of the side plate of the machine head, and the second positioning assembly is movable relative to the base along the length direction of the base, so that the second positioning assembly drives the side plate of the machine head to move along the length direction of the base; A third positioning assembly, wherein the third positioning assembly is arranged on the base and is spaced apart from the first positioning assembly along the length direction of the base, the first positioning assembly is arranged between the second positioning assembly and the third positioning assembly, the third positioning assembly can be rotated relative to the base around the length direction of the base, the third positioning assembly can be movable relative to the base along the length direction of the base, the second positioning assembly and the third positioning assembly cooperate to clamp the two ends of the side plate of the machine head, or the first positioning assembly and the third positioning assembly cooperate to clamp the two ends of the bottom plate of the machine head.

2. The scraper conveyor head assembly welding positioning device according to claim 1 is characterized in that: The first positioning component comprises: A first support plate, the first support plate extends in the up-down direction and is disposed on the base; A mounting tube, the mounting tube extending in the width direction of the base and arranged on the first support plate, the mounting tube being provided with a first groove and a second groove spaced apart in the width direction of the base, the first groove and the second groove both extending in the circumferential direction of the mounting tube, the first groove and the second groove defining the mounting groove; A first positioning block and a second positioning block, the first positioning block and the second positioning block both extend along the width direction of the base and are arranged opposite to each other at intervals along the width direction of the base, the first positioning block and the second positioning block are both arranged between the mounting tube and the third positioning assembly and are arranged adjacent to the third positioning assembly, the first positioning block is provided with a first positioning groove that penetrates the first positioning block along the length direction of the base, the first positioning groove and the first groove are arranged at intervals along the width direction of the base, so that two ends of one side plate of the machine head can be respectively inserted into the first positioning groove and the first groove, the second positioning block is provided with a second positioning groove that penetrates the second positioning block along the length direction of the base, the second positioning groove and the second groove are arranged at intervals along the width direction of the base, so that two ends of another side plate of the machine head can be respectively inserted into the second positioning groove and the second groove.

3. The scraper conveyor head assembly welding positioning device according to claim 2 is characterized in that: The first positioning assembly also includes a third positioning block and a fourth positioning block, the third positioning block and the fourth positioning block are arranged on the side of the mounting tube facing the third positioning assembly and are spaced relative to each other along the width direction of the base, the third positioning block and the fourth positioning block are both spaced apart from the third positioning assembly along the length direction of the base, and in a projection plane orthogonal to the length direction of the base, the third positioning block and the fourth positioning block are located between the first groove and the second groove, so that the upper base plate of the machine head is placed on the third positioning assembly, the third positioning block and the fourth positioning block.

4. The scraper conveyor head assembly welding positioning device according to claim 3 is characterized in that: It also includes a second support plate, a first drive member and a second drive member, the second support plate is arranged on the base and the upper end of the second support plate is connected to the third positioning block and the fourth positioning block, so that the second support plate supports the third positioning block and the fourth positioning block, the first drive member and the second drive member are both passed through the second support plate, and the first drive member and the second drive member can both be abutted against one end of the lower bottom plate of the machine head, so that the first drive member and the second drive member can adjust the position of the lower bottom plate of the machine head.

5. The scraper conveyor head assembly welding positioning device according to claim 3 is characterized in that: The first positioning block includes a first plate and a second plate, the first plate and the second plate both extend along the width direction of the base, the first plate and the second plate are spaced apart along the width direction of the base to form the first positioning groove, the second plate and the third positioning block are spaced apart along the length direction of the base, the first plate is arranged on a side of the second plate away from the second positioning block, The second positioning block and the third plate and the fourth plate, the third plate and the fourth plate all extend along the width direction of the base, the third plate and the fourth plate are spaced apart along the width direction of the base to form the second positioning groove, the third plate and the fourth positioning block are spaced apart along the length direction of the base, the fourth plate is arranged on the side of the third plate away from the first positioning block, and one end of the lower base plate of the machine head is placed on the second plate and the third plate.

6. The scraper conveyor head assembly welding positioning device according to claim 5, characterized in that: It also includes a fifth plate and a sixth plate, the fifth plate and the sixth plate both extend along the width direction of the base and are both arranged adjacent to one side of the first positioning assembly, the fifth plate and the first plate are arranged spaced apart along the length direction of the base, a first mounting groove is arranged on a side of the fifth plate facing the sixth plate, a second mounting groove is arranged on a side of the first plate facing the second plate, the first mounting groove and the second mounting groove are arranged spaced apart and opposite to each other along the length direction of the base, and two ends of the base plate of the machine head are respectively arranged in the first mounting groove and the second mounting groove, The sixth plate is provided with a third mounting groove on a side facing the fifth plate, and the fourth plate is provided with a fourth mounting groove on a side facing the third plate. The third mounting groove and the fourth mounting groove are arranged opposite to each other along the length direction of the base, and both ends of the base plate of the machine head are respectively arranged in the third mounting groove and the fourth mounting groove.

7. The scraper conveyor head assembly welding positioning device according to claim 3 is characterized in that: A fifth mounting groove is provided at the upper end of the third positioning block away from the mounting tube, and a sixth mounting groove is provided at the upper end of the fourth positioning block away from the mounting tube. The fifth mounting groove and the sixth mounting groove are arranged opposite to each other along the width direction of the base.

8. The scraper conveyor head assembly welding positioning device according to claim 2, characterized in that: The second positioning component comprises: A first mounting seat and a second mounting seat, wherein the first mounting seat and the second mounting seat are arranged on the base at intervals along a width direction of the base; a third driving member and a fourth driving member, wherein the third driving member is disposed on the first mounting seat and is movable relative to the first mounting seat along the length direction of the base, the third driving member and the first groove are spaced apart along the length direction of the base, and the third driving member is used to drive the side plate of the machine head, The fourth driving member is installed on the second mounting seat and is movable relative to the second mounting seat along the length direction of the base. The fourth driving member and the second groove are spaced apart along the length direction of the base. The fourth driving member is used to drive the side plate of the machine head.

9. The scraper conveyor head assembly welding positioning device according to claim 1, characterized in that: The third positioning assembly includes a third mounting seat and a fourth mounting seat, the third mounting seat and the fourth mounting seat are both arranged on the base and spaced apart along the width direction of the base, the third mounting seat includes a first vertical plate and a first horizontal plate, one end of the first horizontal plate is arranged on the first vertical plate, the fourth mounting seat includes a second vertical plate and a second horizontal plate, one end of the second horizontal plate is arranged on the second vertical plate, the third mounting seat and the fourth mounting seat are both rotatable relative to the base around the length direction of the base at a first position and a second position, In the first position, the lower ends of the first vertical plate and the second vertical plate are both arranged on the base and one side of the first vertical plate and one side of the second vertical plate can be fitted with the side plate of the machine head, at least part of the first horizontal plate is located between the first vertical plate and the second vertical plate, and at least part of the second horizontal plate is located between the first vertical plate and the second vertical plate. In the second position, the third mounting seat and the fourth mounting seat are both lifted off the base.

10. The scraper conveyor head assembly welding positioning device according to claim 1, characterized in that: The third driving member further comprises: A first positioning member and a second positioning member, wherein the first positioning member is disposed through at least a portion of the first horizontal plate, and one end of the second positioning member is disposed through at least a portion of the second horizontal plate, and the first positioning member and the second positioning member are both suitable for supporting an upper bottom plate of the machine head; The third positioning member and the fourth positioning member are respectively penetrated through the first vertical plate and the second vertical plate, so that in the first position, the third positioning member is penetrated through the first vertical plate and is penetrated on the machine nose, and the fourth positioning member is penetrated through the second vertical plate and is penetrated on the machine nose.

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