Split type pipe bending die

Abstract

The utility model relates to a split type pipe bending die which comprises a clamping die, an explorator and a fixed die, the explorator is located on the right side of the clamping die, and the fixed die is located in front of the clamping die. The clamping die comprises a clamping die block and a clamping die base, the clamping die block is installed at the front end of the clamping die base through bolts, and a first strip-shaped groove is formed in the front end of the clamping die block. The explorator comprises an explorator plate, an explorator flat key and an explorator base which are sequentially arranged from front to back, the explorator plate and the explorator base are connected with the explorator flat key through bolts, and a second strip-shaped groove is formed in the front end of the explorator plate; an arc-shaped groove is formed in the outer side of the fixed mold. The pipe bending die has the beneficial effects that the pipe bending die adopts a split type design, so that the die components such as the die clamping seat, the profiling seat, the profiling flat key, the die clamping flat key and the guide post can be reused, the die components such as the die clamping block, the profiling plate and the fixed die can be replaced when being damaged or not in size, and the cost of the pipe bending die is reduced.

Description

Technical Field

[0001] The utility model relates to the field of hollow stabilizer rod bending molds, in particular to a split type bending mold. Background Art

[0002] The hollow stabilizer bar is formed by cold forming and bending using a pipe bending machine, so a pipe bending mold is required. Due to the different number and types of products, the molds required for processing are also different. According to the market purchase price, it costs about 35,000 yuan to process a set of pipe bending molds. The molds may be damaged during the production process, and the development of new products requires the reprocessing of the pipe bending molds. The existing molds generally include a clamping mold and a fixed mold. Once damaged, they need to be replaced as a whole, resulting in a high mold cost. Utility Model Content

[0003] The purpose of the utility model is to overcome the above problems existing in the prior art and provide a split pipe bending die.

[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0005] A split pipe bending mold, comprising a clamping mold, a backing mold and a fixed mold, wherein the backing mold is located on the right side of the clamping mold and the fixed mold is located in front of the clamping mold;

[0006] The clamping die comprises a clamping module and a clamping die seat, wherein the clamping module is installed at the front end of the clamping die seat by bolts, and the front end of the clamping module is provided with a first strip groove with an arcuate cross section for matching with the outer wall of the hollow stabilizing rod;

[0007] The support mold includes a support mold plate, a support mold flat key, and a support mold seat arranged in sequence from front to back, the support mold plate and the support mold seat are respectively connected to the support mold flat key by bolts, and the front end of the support mold plate is provided with a second strip groove with an arcuate cross section for matching with the outer wall of the hollow stabilizing rod, and the second strip groove is connected to the adjacent first strip groove and is coaxial;

[0008] The outer side of the fixed mold is provided with an arcuate groove with an arched cross section for matching with the outer wall of the hollow stabilizing rod, and the arcuate groove is connected with and faces the adjacent first strip groove.

[0009] Among them, the clamping base includes a horizontal base plate, a vertical connecting block, and a right-angled triangular rib plate. The connecting block is fixedly connected to the front end of the base plate, and the connecting block and the base plate are perpendicular to each other. The rib plate is fixedly connected between the top of the base plate and the rear end of the connecting block. The bottom end of the base plate is provided with a "cross" shaped positioning protrusion protruding downward.

[0010] Among them, the rear end of the clamping module is provided with a rearwardly protruding strip positioning block and a cylindrical positioning column, and the front end of the connecting block is provided with an inwardly concave strip positioning groove and a cylindrical positioning groove, the strip positioning block is engaged with the strip positioning groove, and the positioning column is engaged with the positioning groove.

[0011] A guide post protruding forward is installed on the upper front end of the clamping module, and a guide post slot for inserting the guide post is arranged on the top rear end of the fixed module, and the guide post is plugged in and out of the guide post slot.

[0012] Among them, a clamping die flat key is installed at the bottom end of the clamping module, and a clamping die flat key slot for inserting the clamping die flat key is set at the bottom of the rear end of the fixed module, and the clamping die flat key cooperates with the clamping die flat key slot in a plug-in manner.

[0013] The center of the fixed die is provided with a stepped hole for assembly with the pipe bending machine, and the bottom end of the fixed die is provided with two left-right symmetrical strip-shaped positioning protrusions.

[0014] The beneficial effects of the utility model are as follows: the pipe bending mold adopts a split design, so that mold components such as the clamping mold base, the backing mold base, the backing mold flat key, the clamping mold flat key, and the guide column can be reused, and mold components such as the clamping module, the backing mold plate, and the fixed mold can be replaced when they are damaged or the size does not meet the requirements, thereby reducing the cost of the pipe bending mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the split-type pipe bending mold in the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the split pipe bending mold in the utility model from a top view;

[0018] Figure 3 This is a schematic diagram of the structure of the split pipe bending mold in the utility model when viewed from above;

[0019] Figure 4 It is an exploded view of the split pipe bending die in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the clamping die seat in the utility model;

[0021] Figure 6 It is a structural schematic diagram of the middle clamp module of the utility model;

[0022] Figure 7It is a structural schematic diagram of the mold base in the utility model;

[0023] Figure 8 It is a schematic diagram of the structure of the template in the utility model;

[0024] Fig. 9 It is a structural schematic diagram of the fixed mold in the utility model;

[0025] Explanation of the numbers in the figure: clamping die 1, clamping module 11, first strip groove 111, strip positioning block 112, positioning column 113, clamping die seat 12, bottom plate 121, connecting block 122, strip positioning groove 1221, cylindrical positioning groove 1222, rib plate 123, "X" shaped positioning protrusion 124, guide column 13, clamping die flat key 14, backing die 2, backing die plate 21, second strip groove 211, backing die flat key 22, backing die seat 23, fixed die 3, stepped hole 31, strip positioning protrusion 32, arc groove 33, guide column slot 34, clamping die flat key slot 35. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0027] like Figures 1 to 9 As shown, a split type pipe bending mold includes a clamping mold 1, a backing mold 2, and a fixed mold 3. The backing mold 2 is located on the right side of the clamping mold 1, and the fixed mold 3 is located in front of the clamping mold 1.

[0028] The clamping die 1 comprises a clamping module 11 and a clamping die seat 12. The clamping module 11 is installed at the front end of the clamping die seat 12 with bolts. The front end of the clamping module 11 is provided with a first strip groove 111 with an arcuate cross section for matching with the outer wall of the hollow stabilizer rod.

[0029] The mold clamping base 12 includes a horizontal bottom plate 121, a vertical connecting block 122, and a right-angled triangular rib 123. The connecting block 122 is fixedly connected to the front end of the bottom plate 121, and the connecting block 122 and the bottom plate 121 are perpendicular to each other. The rib 123 is fixedly connected between the top end of the bottom plate 121 and the rear end of the connecting block 122. A "cross"-shaped positioning protrusion 124 protruding downward is provided at the bottom end of the bottom plate 121.

[0030] In order to improve the accurate positioning of the clamping module 11 and the clamping mold base 12 during assembly, the rear end of the clamping module 11 is provided with a rearwardly protruding strip positioning block 112 and a cylindrical positioning column 113, and the front end of the connecting block 122 is provided with a concave strip positioning groove 1221 and a cylindrical positioning groove 1222, the strip positioning block 112 is engaged with the strip positioning groove 1221, and the positioning column 113 is engaged with the positioning groove 1222.

[0031] The backing plate 2 includes a backing plate 21, a backing plate flat key 22, and a backing plate seat 23 which are arranged in sequence from front to back. The backing plate 21 and the backing plate seat 23 are respectively connected to the backing plate flat key 22 by bolts. The front end of the backing plate 21 is provided with a second strip groove 211 with an arched cross-section for cooperating with the outer wall of the hollow stabilizer rod. The second strip groove 211 is connected to the adjacent first strip groove 111 and is coaxial.

[0032] A stepped hole 31 for assembly with a pipe bending machine is provided at the center of the fixed mold 3, two left-right symmetrical strip positioning protrusions 32 are provided at the bottom end of the fixed mold 3, and an arc groove 33 with an arched cross-section for cooperating with the outer wall of the hollow stabilizer rod is provided on the outer side of the fixed mold 3. The arc groove 33 is connected to and faces the adjacent first strip groove 111.

[0033] In order to facilitate accurate pairing of the clamping mold 1 and the fixed mold 3 when they are closed, a guide column 13 protruding forward is installed on the upper front end of the clamping module 11, and a guide column slot 34 for inserting the guide column 13 is provided on the top of the rear end of the fixed mold 3, and the guide column 13 and the guide column slot 34 are plug-in compatible; a clamping mold flat key 14 is installed on the bottom end of the clamping module 11, and a clamping mold flat key slot 35 for inserting the clamping mold flat key 14 is provided on the bottom of the rear end of the fixed mold 3, and the clamping mold flat key 14 and the clamping mold flat key slot 35 are plug-in compatible.

[0034] When in use, the clamping die base, the supporting die base and the fixed die are installed on the pipe bending machine with bolts.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A split pipe bending die, characterized in that: It includes a clamping die, a backing die and a fixed die, wherein the backing die is located on the right side of the clamping die and the fixed die is located in front of the clamping die; The clamping die comprises a clamping module and a clamping die seat, wherein the clamping module is installed at the front end of the clamping die seat by bolts, and the front end of the clamping module is provided with a first strip groove with an arcuate cross section for matching with the outer wall of the hollow stabilizing rod; The support mold includes a support mold plate, a support mold flat key, and a support mold seat arranged in sequence from front to back, the support mold plate and the support mold seat are respectively connected to the support mold flat key by bolts, and the front end of the support mold plate is provided with a second strip groove with an arcuate cross section for matching with the outer wall of the hollow stabilizing rod, and the second strip groove is connected to the adjacent first strip groove and is coaxial; The outer side of the fixed mold is provided with an arcuate groove with an arched cross section for matching with the outer wall of the hollow stabilizing rod, and the arcuate groove is connected with and faces the adjacent first strip groove.

2. The split tube bending die according to claim 1, characterized in that: The clamping base includes a horizontal base plate, a vertical connecting block, and a right-angled triangular rib plate. The connecting block is fixedly connected to the front end of the base plate, and the connecting block and the base plate are perpendicular to each other. The rib plate is fixedly connected between the top end of the base plate and the rear end of the connecting block. The bottom end of the base plate is provided with a "cross" shaped positioning protrusion protruding downward.

3. The split tube bending die according to claim 2, characterized in that: The rear end of the clamping module is provided with a rearwardly protruding strip positioning block and a cylindrical positioning column, the front end of the connecting block is provided with an inwardly concave strip positioning groove and a cylindrical positioning groove, the strip positioning block is engaged with the strip positioning groove, and the positioning column is engaged with the positioning groove.

4. The split tube bending die according to claim 1, characterized in that: A guide post protruding forward is installed on the upper front end of the clamping module, and a guide post slot for inserting the guide post is arranged on the top rear end of the fixed module, and the guide post is plug-in-pull-matched with the guide post slot.

5. The split tube bending die according to claim 1, characterized in that: A clamping die flat key is installed at the bottom end of the clamping module, and a clamping die flat key slot for inserting the clamping die flat key is arranged at the bottom of the rear end of the fixed module, and the clamping die flat key is plug-in-pull matched with the clamping die flat key slot.

6. The split tube bending die according to claim 1, characterized in that: The center of the fixed die is provided with a stepped hole for assembling with the pipe bending machine, and the bottom end of the fixed die is provided with two left-right symmetrical strip-shaped positioning protrusions.

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