Die machining device based on safety belt bulb tube

Abstract

The invention discloses a die machining device based on a safety belt bulb tube. The die machining device comprises an outer frame body, a first tube bending mechanism, a second tube bending mechanism, a third tube bending mechanism and a shifting mechanism, and the outer frame body bears the first tube bending mechanism, the second tube bending mechanism and the third tube bending mechanism; the shifting mechanism is used for sequentially transferring pipe fittings to the first pipe bending mechanism, the second pipe bending mechanism and the third pipe bending mechanism for machining; the first pipe bending mechanism comprises a first clamping assembly and a first bending mold part, one end of a pipe fitting is clamped through the first clamping assembly, the other end of the pipe fitting is arranged on the first bending mold part, and the pipe fitting is bent in the first direction to form a first-form bent pipe through self rotation. By means of the equipment, multiple times of synchronous bending of the safety belt bulb tube in the machining link can be achieved, the bending machining efficiency of the safety belt bulb tube is improved, meanwhile, the flaring position of the end can be protected, and therefore the yield is increased.

Description

Technical Field

[0001] The invention belongs to the technical field of ball tube processing equipment, and in particular relates to a mold processing device based on a safety belt ball tube. Background Art

[0002] The seat belt traction tube is an important component of the car seat belt system. It is responsible for guiding the path of the seat belt webbing, ensuring that the seat belt can correctly pass through the vehicle body structure and provide effective protection for the occupants.

[0003] With the improvement of automobile configuration, the demand for seat belt traction tubes has doubled, and the requirements for production rhythm are getting higher and higher. The special ball tube bending machine improves the bending efficiency by splitting the three bends into three bends. Since the second bend has a head expansion, in order to avoid the expansion, there will be a lot of avoidance actions in the feeding and upper and lower clamping actions, resulting in the second bend The rhythm is the slowest, thus affecting the overall rhythm.

[0004] In the Chinese patent application publication number CN219503497U, a car pre-shrinkable safety belt ball tube bending mechanism is disclosed, including an upper bed and a lower bed fixed together, the lower bed is provided with a lower slide that moves up and down along the lower bed, the lower slide is provided with a lower wheel mold, the lower wheel mold is driven by the lower wheel mold servo motor, the upper bed is provided with an upper slide that moves up and down along the upper bed, the upper slide is provided with an upper wheel mold, the upper wheel mold is driven by the upper wheel mold servo motor, and the upper wheel mold matches the lower wheel mold. Although this device can realize the bending of the local position of the pipe fitting, it can only bend in one direction. When bending in multiple dimensions is required, it needs to be transferred to other equipment for secondary processing, which greatly affects its bending efficiency, and it will also cause bumps and damage to the head expansion position during the transportation link. Summary of the invention

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a mold processing device based on a safety belt ball tube, which solves the above-mentioned technical problems existing in the prior art.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A mold processing device based on a safety belt ball tube includes an outer frame body, a first tube bending mechanism, a second tube bending mechanism, a third tube bending mechanism, and a shifting mechanism.

[0008] The outer frame body supports the first pipe bending mechanism, the second pipe bending mechanism, and the third pipe bending mechanism;

[0009] The shifting mechanism is used to sequentially transfer the pipe to the first pipe bending mechanism, the second pipe bending mechanism, and the third pipe bending mechanism for processing;

[0010] The first tube bending mechanism comprises a first clamping assembly and a first bending die, wherein one end of the tube is clamped by the first clamping assembly, and the other end is placed on the first bending die, and the tube is bent in a first direction to form a first-shaped tube by self-rotation;

[0011] The second bending mechanism comprises a second clamping assembly and a second bending die, wherein one end of the first-shaped bent tube is clamped by the second clamping assembly, and the other end is placed on the second bending die, and the first-shaped bent tube is bent in a second direction to form a second-shaped bent tube by self-rotation;

[0012] The third bending mechanism includes a third clamping assembly and a third bending mold. The third clamping assembly is used to clamp one end of the second-form bent pipe, and the other end is placed on the third bending mold. The second-form bent pipe is bent along a third direction to form a finished bent pipe through self-rotation.

[0013] Further, the first bending mold member includes a first bending upper mold and a first bending lower mold, and the upper and lower ends of the first bending upper mold and the first bending lower mold are respectively provided with first driving seats, and the first bending upper mold and the first bending lower mold are synchronously rotated by the first driving seats;

[0014] A first slot is formed between the contact surfaces of the first bending upper die and the first bending lower die, and the first slots are combined to form a first cavity that wraps around the outer diameter of the front end of the pipe;

[0015] At the same time, a first sliding mold pressing part is arranged in a horizontal direction on the side where the first bending upper mold is located, so that when the first bending upper mold rotates, the first sliding mold pressing part presses the outer diameter of the pipe fitting and simultaneously realizes bending the pipe fitting along the first direction.

[0016] Further, the second bending mold member includes a second bending upper mold and a second bending lower mold, and the upper and lower end surfaces of the second bending upper mold and the second bending lower mold are respectively provided with second driving seats, and the second bending upper mold and the second bending lower mold are synchronously rotated by the second driving seat;

[0017] A second slot is formed between the contact surfaces of the second bending upper die and the second bending lower die, and when the second slots are combined, a second cavity is formed that wraps the outer diameter of the middle portion of the first-shaped bent pipe;

[0018] At the same time, a second sliding mold pressing part in the horizontal direction is arranged on the side where the second bending upper mold is located, so that when the second bending upper mold rotates, the second sliding mold pressing part clamps the outer diameter of the middle part of the first-form bent pipe, and simultaneously realizes the bending of the first-form bent pipe along the second direction.

[0019] Further, the third bending mold member includes a third bending upper mold and a third bending lower mold, and the upper and lower end surfaces of the third bending upper mold and the third bending lower mold are respectively provided with a third driving seat, and the third bending upper mold and the third bending lower mold are synchronously rotated by the third driving seat;

[0020] A third slot is formed between the contact surfaces of the third bending upper die and the third bending lower die, and when the third slots are combined, a third cavity is formed to wrap the outer diameter of the end of the second-shaped elbow;

[0021] A third sliding mold pressing part is arranged in the horizontal direction on the side where the third bending upper mold is located, so that when the third bending upper mold rotates, the third sliding mold pressing part clamps the outer diameter of the end of the second-form bent pipe, and simultaneously realizes the bending of the second-form bent pipe along the third direction.

[0022] Furthermore, a limiting groove is provided on the contact surface between the first sliding mold pressing part, the second sliding mold pressing part, the third sliding mold pressing part and the pipe to be processed, and the limiting groove is attached to the outer side of the bending upper mold to form an outer limit for the pipe during bending;

[0023] At the same time, three sets of sliding molded parts can move in the front, back, left and right directions.

[0024] Furthermore, a plurality of groups of clamping assemblies are evenly spaced on the displacement mechanism, and the clamping assemblies are used to clamp the pipes fixed on each group of the pipe bending mechanism;

[0025] When the clamping assembly moves laterally, the pipe fittings clamped by the clamping assembly are sequentially transferred to the workstation where the next pipe bending mechanism is located.

[0026] Furthermore, a set of lifting components is shared below the first bending lower mold, the second bending lower mold, and the third bending lower mold;

[0027] The lifting assembly includes a sliding plate with a slope and a driving member. The sliding plates with a slope are respectively arranged below the three groups of lower bending molds. At the same time, the sliding plates with a slope are driven by the driving member to move in the lateral direction to achieve synchronous lifting of the three groups of lower bending molds.

[0028] Furthermore, a clearance groove is opened at the lower part of the second bending upper mold, and a clamping block is arranged on the clearance groove. At the same time, a guide groove which fits with the outside of the first-form bent pipe is opened on the inner side surface of the clamping block, and a T-block is arranged in the vertical direction on the outer side surface where the clamping block is located. Through the extrusion of the T-block, a close fit between the clamping block and the second bending lower mold is achieved.

[0029] Furthermore, a spring guide is provided at the upper portion where the second bending upper mold is located, and the spring guide is used to limit the vertical movement stroke of the T-block.

[0030] Furthermore, after the first clamping assembly forms the bend on the pipe, it rotates the pipe into the first shape and then transfers it to the next second pipe bending mechanism for processing.

[0031] Beneficial effects of the present invention:

[0032] 1. The first bending mechanism, the second bending mechanism and the third bending mechanism adopted in the device realize multiple bending operations on the pipe fittings during bending, which greatly improves the actual bending efficiency, avoids the effective protection of the open flaring position of the pipe fittings during single bending or transportation, and simultaneously improves the yield rate.

[0033] 2. On the second bending mechanism adopted by the device, the clamping block and the T-block cooperate with each other, and a spring guide is provided on the upper part where the second bending upper mold is located. The spring guide is used to limit the vertical movement stroke of the T-block, thereby ensuring that when the upper and lower molds move, the movement amount exceeding the movement stroke is avoided, thereby protecting the expansion position of the first-form bending head from being too large and affected by stamping.

[0034] 3. The shifting mechanism adopted by the device is provided with a plurality of clamping components at the same time, and the transfer of the pipes on the first bending mechanism, the second bending mechanism and the third bending mechanism is realized synchronously through the clamping components, thereby improving the efficiency of the pipe transfer. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0036] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

[0037] Figure 2 is a schematic diagram of a top view of the structure of an embodiment of the present invention;

[0038] Figure 3 is a front structural schematic diagram of an embodiment of the present invention;

[0039] Figure 4 is a schematic structural diagram of a first clamping assembly according to an embodiment of the present invention;

[0040] Figure 5 is a schematic diagram of the connection state of multiple bending mold parts in an embodiment of the present invention;

[0041] Figure 6is a schematic diagram of the connection state structure of the lifting assembly of an embodiment of the present invention;

[0042] Figure 7 is a schematic diagram of the overall structure of a first bending die member according to an embodiment of the present invention;

[0043] Figure 8 is a schematic diagram of the overall structure of a second bending die member according to an embodiment of the present invention;

[0044] Fig. 9 is a schematic diagram of the internal structure of a second bending die member according to an embodiment of the present invention;

[0045] Fig.10 is a schematic diagram of the structure of a compression block according to an embodiment of the present invention;

[0046] Fig.11 is a schematic structural diagram of a third bending die member according to an embodiment of the present invention;

[0047] Fig.12 is a schematic diagram of the overall structure of the shifting mechanism of an embodiment of the present invention;

[0048] Fig.13 It is an overall process flow chart of the pipe fitting of an embodiment of the present invention in the entire bending state. DETAILED DESCRIPTION

[0049] The technical scheme in the embodiment of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiment of the present invention. Based on the embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] like Figure 1 , Figure 2 , Figure 3 As shown, a mold processing device based on a safety belt ball tube provided by an embodiment of the present invention includes an outer frame body 1, a first bending mechanism 2, a second bending mechanism 3, a third bending mechanism 4, and a shifting mechanism 5;

[0051] The outer frame body 1 supports the first pipe bending mechanism 2, the second pipe bending mechanism 3, and the third pipe bending mechanism 4, and forms a wrapping and protective function for the outside.

[0052] The shifting mechanism 5 transfers the pipe to be processed to the first bending mechanism 2, the second bending mechanism 3, and the third bending mechanism 4 in sequence for processing, forming multiple bending operations on the pipe. Of course, according to actual usage needs, the number of bending mechanisms can be increased or decreased to meet the bending needs of the pipe.

[0053] At this time, the first pipe bending mechanism 2 includes a first clamping assembly 21 (such as Figure 4As shown), and a first bending mold part 22, one end of the pipe is clamped by the first clamping assembly 21, and the other end is placed on the first bending mold part 22. Through self-rotation, the pipe is bent along a first direction to form a first-shaped bend.

[0054] like Figure 5 , Figure 6 , Figure 7 As shown, the first bending mold part 22 includes a first bending upper mold 221 and a first bending lower mold 222, and the upper and lower ends of the first bending upper mold 221 and the first bending lower mold 222 are respectively provided with a first driving seat 223, and the first bending upper mold 221 and the first bending lower mold 222 are separated or molded in the upper and lower directions by the first driving seat 223, so that the other end of the clamped pipe fitting is placed between the first bending upper mold 221 and the first bending lower mold 222 by the first clamping assembly 21, and then the mold clamping between the first bending upper mold 221 and the first bending lower mold 222 is realized again by the first driving seat 223, and the first bending upper mold 221 and the first bending lower mold 222 are synchronously rotated by the first driving seat 223.

[0055] In order to ensure the stability of the driving link, a first groove 201 is formed between the contact surfaces of the first bending upper mold 221 and the first bending lower mold 222, and a first cavity that wraps the outer diameter of the front end of the pipe is formed when the first groove 201 is merged (mold closed); that is, at this time, the first cavity completely wraps the outer wall of the front end of the pipe, and no additional extrusion damage will be caused, thereby improving the yield rate during processing.

[0056] At the same time, a first sliding mold pressing piece 224 is arranged in a horizontal direction on the side where the first bending upper mold 221 is located, so that when the first bending upper mold 221 rotates (the first bending lower mold 222 rotates synchronously), the first sliding mold pressing piece 224 presses the outer diameter of the pipe fitting and simultaneously bends the pipe fitting along the first direction to form a first-shaped bent pipe.

[0057] In order to ensure the curvature of the bending, the rear end portion of the first slot 201 is a semi-open structure, and a limiting groove 101 is provided on the contact surface between the first sliding mold pressing part 224 and the pipe to be processed. The limiting groove 101 fits the outer side of the bending upper mold to form an outer limit for the pipe during bending. That is, when the first bending mold part 22 where the first slot 201 is located rotates, the built-in pipe is bent synchronously. At the same time, the first sliding mold pressing part 224 can also move in the front and back and left and right directions, which is convenient for the opening and closing of the position where the first slot 201 is located.

[0058] The second bending tube mechanism 3 includes a second clamping assembly 31 and a second bending mold 32. One end of the first-shaped bent tube is clamped by the second clamping assembly 31, and the other end is placed on the second bending mold 32. The first-shaped bent tube is bent along a second direction to become a second-shaped bent tube through self-rotation.

[0059] After the first clamping assembly 21 forms the bend on the pipe, it rotates the first-form bend and then transfers it to the next second bend mechanism 3 for processing, thereby ensuring that the bending portion of the first-form bend is adjusted from the horizontal direction to the vertical direction to adapt to the clearance space reserved by the second bending mold 32.

[0060] like Figure 5 , Figure 6 , Figure 8 , Fig. 9 As shown, the second bending mold part 32 includes a second bending upper mold 321 and a second bending lower mold 322, and the upper and lower end surfaces of the second bending upper mold 321 and the second bending lower mold 322 are respectively provided with a second driving seat 323, and the second bending upper mold 321 and the second bending lower mold 322 are separated or clamped by the second driving seat 323; thereby, the other end of the clamped first-form bent pipe is placed in a position between the second bending upper mold 321 and the second bending lower mold 322 through the second clamping assembly 31, and the middle part of the first-form bent pipe is placed in the second groove 301 between the second bending upper mold 321 and the second bending lower mold 322 (the second groove 301 is formed between the contact surfaces of the second bending upper mold 321 and the second bending lower mold 322, and when the second groove 301 is merged, a second cavity is formed to wrap the outer diameter of the middle part of the first-form bent pipe).

[0061] Then, under the driving action of the second driving seat 323, the second bending upper mold 321 and the second bending lower mold 322 are synchronously rotated. At this time, only the middle part of the first-form bent pipe is placed in the second cavity, so as the second driving seat 323 rotates, only the middle part of the first-form bent pipe is bent along the second direction.

[0062] At the same time, a second sliding mold pressing piece 324 in a horizontal direction is arranged at the side position where the second bending upper mold 321 is located, so that when the second bending upper mold 321 (together with the second bending lower mold 322) rotates, the second sliding mold pressing piece 324 will clamp the outer diameter of the middle part of the first-form bend pipe, and realize the bending degree of the bend with the rotation angle of the second bending upper mold 321. In order to ensure the bending of the middle part of the first-form bend pipe, a limiting groove 101 is provided on the contact surface between the second sliding mold pressing piece 324, the third sliding mold pressing piece 424 and the first-form bend pipe, and the limiting groove 101 is attached to the outer side of the bending upper mold to form an outer limit for the first-form bend pipe when bending.

[0063] Since the front end of the first-shaped bent pipe has already been bent, in order to avoid the first-shaped bent pipe from affecting the end when the middle part is bent, a clearance groove 3211 is provided at the lower part of the second bending upper mold 321, and a pressing block 3212 (such as Fig.10 As shown), a guide groove which fits with the outside of the first-form bent tube is provided on the inner side surface of the clamping block 3212, that is, when the second bending upper mold 321 and the second bending lower mold 322 begin to separate, a accommodating space for the bent portion of the front end of the first-form bent tube is formed between the clamping block 3212 and the second bending upper mold 321 in the vertical direction, and a T-block 3213 is provided on the outer side surface of the clamping block 3212 in the vertical direction. Through the extrusion of the T-block 3213, a close fit between the clamping block 3212 and the second bending lower mold 322 is achieved (the bent portion of the front end of the first-form bent tube and the bending mold form a complete whole). Therefore, when the second bending upper mold 321 is deflected, the local deformation of its front end will not be affected.

[0064] A spring guide 3214 is provided at the upper part where the second bending upper mold 321 is located, and the spring guide 3214 is used to limit the vertical movement stroke of the T-block 3213, thereby ensuring that when the upper and lower molds move, the movement amount exceeding the movement stroke is avoided, thereby protecting the expansion position of the first-form bend pipe head from being too much affected by stamping. At this time, the mold is in an unclamped state, and the second bending upper mold 321 is pulled up by the spring force, and the T-block 3213 is pulled up, and the inclined block is pulled back to avoid the expansion position of the first-form bend pipe; when pressing down, the second bending upper mold 321 first clamps the outer wall of the first-form bend pipe under the action of the spring, and then the clamping block 3212 clamps the outer wall of the first-form bend pipe forward under the action of the inclined surface. One upper and lower clamping action can be completed, and the equipment can bend the pipe directly.

[0065] The third bending tube mechanism 4 includes a third clamping assembly 41 and a third bending mold 42. One end of the second-form bent tube is clamped by the third clamping assembly 41, and the other end is placed on the third bending mold 42. The second-form bent tube is bent along a third direction to become a finished bent tube through self-rotation.

[0066] like Figure 5 , Figure 6 , Fig.11As shown, the third bending mold part 42 includes a third bending upper mold 421 and a third bending lower mold 422, and the upper and lower end surfaces of the third bending upper mold 421 and the third bending lower mold 422 are respectively provided with a third driving seat 423, and the third bending upper mold 421 and the third bending lower mold 422 are separated or clamped in the upper and lower directions through the third driving seat 423; the other end of the clamped second-form bent pipe is placed between the third bending upper mold 421 and the third bending lower mold 422 through the third clamping assembly 41, and then the second-form bent pipe is clamped in the upper and lower directions through the upper and lower third driving assembly seats 423, and the third driving assembly seat 423 is driven to synchronously rotate the third bending upper mold 421 and the third bending lower mold 422 in the third direction.

[0067] A third slot 401 is formed between the contact surfaces of the third bending upper mold 421 and the third bending lower mold 422, and when the third slots 401 are merged, a third cavity is formed that wraps the outer diameter of the end of the second-shaped elbow (refer to the relevant operating steps of the first slot 201 and the second slot 301 for details).

[0068] A third sliding mold pressing part 424 is arranged in a horizontal direction on the side where the third bending upper mold 421 is located, so that when the third bending upper mold 421 rotates, the third sliding mold pressing part 424 clamps the outer diameter of the end of the second-form bent pipe, and simultaneously realizes the bending of the second-form bent pipe along the third direction (refer to the working principle of the second bending mold part 32 and the third bending mold for details).

[0069] The first clamping assembly 21, the second clamping assembly 31, and the third clamping assembly 41 may adopt the same structure to facilitate subsequent maintenance and replacement. Fig.13 As shown, this is the overall process flow chart of the pipe in the entire bending state.

[0070] like Fig.12 As shown, a plurality of groups of clamping assemblies 51 are evenly spaced on the shifting mechanism 5, and the clamping assemblies 51 are used to clamp the pipes fixed on each group of the pipe bending mechanisms.

[0071] When the clamping assembly 51 moves laterally, the clamped pipes are sequentially transferred to the station where the next pipe bending mechanism is located. That is, the pipes on the three pipe bending mechanisms can be transferred simultaneously by a one-time transfer, thereby improving the efficiency of individual transfer.

[0072] A set of lifting components 6 is shared below the first bending lower mold 222, the second bending lower mold 322, and the third bending lower mold 422;

[0073] like Figure 6As shown, the lifting assembly 6 includes a sliding plate 61 with a slope and a driving member 62. The sliding plates 61 with a slope are respectively arranged below the three groups of lower bending molds. At the same time, the sliding plates 61 with a slope are driven by the driving member 62 to move in the lateral direction to achieve the synchronous lifting of the three groups of lower bending molds. That is, when the driving member 62 moves to one direction, the three groups of lower bending molds are synchronously lowered (to separate them from the corresponding upper molds), thereby providing space for the feeding of the corresponding clamping assembly. Then the driving member 62 moves to another direction, and the three groups of lower bending molds are synchronously lifted, thereby achieving mutual fit with the corresponding upper molds above, forming a clamping of the pipe fittings. In this way, when the driving member 62 is switched, the shifting mechanism 5 synchronously realizes the transfer of pipe fittings on each bending mechanism, which greatly improves its bending efficiency.

[0074] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A mold processing device based on a safety belt ball tube, comprising an outer frame body (1), a first pipe bending mechanism (2), a second pipe bending mechanism (3), a third pipe bending mechanism (4), and a shifting mechanism (5), It is characterized in that The outer frame body (1) supports the first pipe bending mechanism (2), the second pipe bending mechanism (3), and the third pipe bending mechanism (4); The shifting mechanism (5) is used to sequentially transfer the pipe to the first pipe bending mechanism (2), the second pipe bending mechanism (3), and the third pipe bending mechanism (4) for processing; The first pipe bending mechanism (2) comprises a first clamping assembly (21) and a first bending die (22); one end of the pipe is clamped by the first clamping assembly (21), the other end is placed on the first bending die (22), and the pipe is bent in a first direction to form a first-shaped pipe by self-rotation; The second pipe bending mechanism (3) comprises a second clamping assembly (31) and a second bending die (32), wherein one end of the first-shaped pipe bend is clamped by the second clamping assembly (31), and the other end is placed on the second bending die (32), and the first-shaped pipe bend is bent in a second direction to form a second-shaped pipe bend by self-rotation; The third pipe bending mechanism (4) comprises a third clamping assembly (41) and a third bending die member (42), wherein one end of the second-shaped pipe bend is clamped by the third clamping assembly (41), and the other end is placed on the third bending die member (42), and the second-shaped pipe bend is bent along a third direction to form a finished pipe bend by self-rotation.

2. The mold processing device based on the safety belt tube according to claim 1, It is characterized in that The first bending mold part (22) comprises a first bending upper mold (221) and a first bending lower mold (222), and the upper and lower ends of the first bending upper mold (221) and the first bending lower mold (222) are respectively provided with first driving seats (223), and the first bending upper mold (221) and the first bending lower mold (222) are used to realize synchronous rotation of the first bending upper mold (221) and the first bending lower mold (222); A first slot (201) is formed between the contact surfaces of the first bending upper die (221) and the first bending lower die (222), and when the first slots (201) are combined, a first cavity is formed that wraps around the outer diameter of the front end of the pipe; At the same time, a first sliding mold pressing piece (224) in a horizontal direction is arranged at the side position where the first bending upper mold (221) is located, so that when the first bending upper mold (221) rotates, the first sliding mold pressing piece (224) forms a pressure on the outer diameter of the pipe fitting, and simultaneously realizes the bending of the pipe fitting along the first direction.

3. The mold processing device based on the safety belt tube according to claim 2, It is characterized in that The second bending mold part (32) comprises a second bending upper mold (321) and a second bending lower mold (322), and the upper and lower end surfaces of the second bending upper mold (321) and the second bending lower mold (322) are respectively provided with second drive seats (323), and the second bending upper mold (321) and the second bending lower mold (322) are synchronously rotated by the second drive seat (323); A second slot (301) is formed between the contact surfaces of the second bending upper die (321) and the second bending lower die (322), and when the second slots (301) are combined, a second cavity is formed that wraps around the outer diameter of the middle portion of the first-shaped bent pipe; At the same time, a second sliding mold pressing piece (324) in the horizontal direction is arranged at the side position where the second bending upper mold (321) is located, so that when the second bending upper mold (321) rotates, the second sliding mold pressing piece (324) clamps the outer diameter of the middle part of the first-form bent pipe, and simultaneously realizes the bending of the first-form bent pipe along the second direction.

4. The mold processing device based on the safety belt tube according to claim 3, It is characterized in that The third bending mold component (42) comprises a third bending upper mold (421) and a third bending lower mold (422), and the upper and lower end surfaces of the third bending upper mold (421) and the third bending lower mold (422) are respectively provided with third driving seats (423), and the third bending upper mold (421) and the third bending lower mold (422) are used to realize synchronous rotation of the third bending upper mold (421) and the third bending lower mold (422); A third slot (401) is formed between the contact surfaces of the third bending upper die (421) and the third bending lower die (422), and when the third slots (401) are combined, a third cavity is formed that wraps around the outer diameter of the end of the second-shaped elbow; A third sliding mold pressing part (424) in the horizontal direction is arranged at the side position where the third bending upper mold (421) is located, so that when the third bending upper mold (421) rotates, the third sliding mold pressing part (424) clamps the outer diameter of the end of the second-form bent pipe, and simultaneously realizes the bending of the second-form bent pipe along the third direction.

5. The mold processing device based on the safety belt tube according to claim 4, It is characterized in that A limiting groove (101) is provided on the contact surface between the first sliding mold pressing part (224), the second sliding mold pressing part (324), and the third sliding mold pressing part (424) and the pipe to be processed, and the limiting groove (101) is attached to the outer side of the bending upper mold to form an outer limit for the pipe when it is bent; At the same time, three sets of sliding molded parts can move in the front, back, left and right directions.

6. The mold processing device based on the safety belt tube according to claim 1, It is characterized in that A plurality of groups of clamping assemblies (51) are evenly spaced on the displacement mechanism (5), and the clamping assemblies (51) are used to clamp the pipe fittings fixed on each group of pipe bending mechanisms; When the clamping assembly (51) moves laterally, the clamped pipe is sequentially transferred to the workstation where the next pipe bending mechanism is located.

7. The mold processing device based on the safety belt tube according to claim 4, It is characterized in that A set of lifting components (6) is shared below the first bending lower mold (222), the second bending lower mold (322), and the third bending lower mold (422); The lifting assembly (6) comprises a sliding plate with a slope (61) and a driving member (62). The sliding plate with a slope (61) is respectively arranged below the three groups of lower bending dies. The sliding plate with a slope (61) is driven by the driving member (62) to move in the lateral direction to achieve synchronous lifting of the three groups of lower bending dies.

8. The mold processing device based on the safety belt tube according to claim 4, It is characterized in that A clearance groove (3211) is provided at the lower part of the second bending upper mold (321), and a clamping block (3212) is arranged on the clearance groove (3211). At the same time, a guide groove which fits with the outside of the first-shaped bent pipe is provided on the inner side surface of the clamping block (3212), and a T-block (3213) is provided in the vertical direction on the outer side surface where the clamping block (3212) is located. Through the extrusion of the T-block (3213), a close fit between the clamping block (3212) and the second bending lower mold (322) is achieved.

9. The mold processing device based on the safety belt tube according to claim 8, It is characterized in that A spring guide (3214) is provided at the upper part where the second bending upper mold (321) is located, and the spring guide (3214) is used to limit the movement stroke of the T-block (3213) in the vertical direction.

10. The mold processing device based on the safety belt tube according to claim 1, It is characterized in that After the first clamping assembly (21) forms a bend on the pipe, the pipe is rotated into a first-shaped bend and then transferred to the next second pipe bending mechanism (3) for processing.

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