CN104167698B - A kind of folding cable termination machining center - Google Patents

Abstract

The invention discloses a retractable cable terminal processing center, which comprises a cabinet body part, a power cutting machine part, a cable stripping and cutting machine part, a cable insulation heat shrinking machine part, a generator, a wire nose hydraulic pliers and a wire pay-off machine part, The cabinet parts are divided into three layers, the generator and pay-off machine parts are installed on the bottom layer, the wire lug hydraulic clamp is located in the middle of the middle layer, and each side wall of the cabinet body parts is equipped with an upper cabinet door and a lower cabinet door bounded by the middle layer. The lower end of each upper cabinet door is hinged on the corresponding side wall of the middle layer, and is closed and opened by the air support on both sides. There are two cable stripping and cutting machine parts, which are installed vertically on the front and rear upper cabinet doors respectively. On the inner wall, the parts of the power cutting machine are installed vertically on the inner wall of the upper cabinet door on the left side, and the parts of the cable insulation heat shrinking machine are installed vertically on the inner wall of the upper cabinet door on the right side. The processing center maximizes the use of space, integrates the cable processing equipment into the same processing center, and realizes the folding of the entire processing center.

Description

A folding type cable terminal processing center

technical field

The invention relates to the technical field of electric power construction equipment, in particular to a retractable cable terminal processing center integrated with multiple stations, which belongs to the mechanical structure.

Background technique

Cable terminal processing is roughly divided into three steps: cable cutting processing, cable stripping and cutting processing, and cable outer insulation thermoplastic processing. At present, domestic cable terminal processing is still in the manual workshop stage, which is completed by different equipment. The processing equipment is backward and efficient. Low, on-site construction is very troublesome, and it is not convenient for equipment management and maintenance, which seriously restricts the development of the industry.

Contents of the invention

The invention aims to provide a retractable cable terminal processing center which integrates cable cutting processing, cable stripping processing and cable outer insulation thermoplastic processing.

For this reason, the technical solution adopted by the present invention is: a foldable cable terminal processing center, including a foldable cabinet part (A), and a power cutting machine part ( B), cable stripping and cutting machine parts (C), cable insulation heat shrinking machine parts (D), generator (E), wire lug hydraulic pliers (F) and pay-off machine parts (G), the cabinet parts ( A) includes a top layer, a middle layer and a bottom layer, the generator (E) and the pay-off machine part (G) are installed on the bottom layer, the wire nose hydraulic pliers (F) are located in the middle of the middle layer, and the cabinet parts (A Each side wall of ) is equipped with an upper cabinet door and a lower cabinet door bounded by the middle layer, and the lower end of each upper cabinet door is hinged on the corresponding side wall of the middle layer, and is closed by the air struts (1) on both sides and open, there are two cable stripping and cutting machine parts (C), which are installed vertically on the inner wall of the upper cabinet door on the front and rear sides respectively, and the power cutting machine part (B) is vertically installed on the upper cabinet door on the left side On the inner wall, the cable insulation heat shrinking machine part (D) is vertically installed on the inner wall of the upper cabinet door on the right side.

As a preference for the above scheme, a slide rail type combined box body part (H) is also arranged inside the cabinet body part (A), and the slide rail type combined box body part (H) includes an outer main rail (2), an outer secondary rail (3), inner main rail (4), inner secondary rail (5), box assembly (6) and box assembly (7); the outer main rail (2) is fixed on the cabinet part (A) The top layer of the box assembly (6) is fixed on the outer secondary rail (3), and the outer main rail (2) and the outer secondary rail (3) are slidably connected by steel balls (8) arranged in a row , thereby constituting the first linear guide rail extending left and right; there are two box assemblies (7), stacked one above the other in the box assembly (6), and the top of each box assembly (7) is fixed with One said inner secondary rail (5), said inner main rail (4) is also two, fixed on the top of the box assembly (6), each inner main rail (4) is connected with the respective inner secondary rail (5) is also slidably connected by the steel balls (8) arranged in a row, thereby forming the second linear guide rail extending left and right; when the box body assembly (6) slides to the leftmost, the box body assembly (7) at the rear Can slide out from the right side of the box assembly (6), when the box assembly (6) slides to the far right, the box assembly (7) on the front side can slide from the left side of the box assembly (6) out. Utilize the space between the top layer and the middle layer of the cabinet parts to arrange the slide rail type combined box body parts. When folding, remove the cutter head assembly of the cable stripping and cutting part on the front side and put it into the box body assembly on the front side. Disassemble the cutter head assembly of the cable stripping and cutting part on the rear side and put it into the box body assembly on the rear side. The slide rail type combined box body part adopts two linear guide rails, and slides the box body assembly and the box body assembly from left to right. The cutter head assembly saves space to the greatest extent, making the structure of the entire machining center more compact and reasonable, and the overall feeling stronger.

The two ends of the fixed track corresponding to the steel balls (8) in each row are respectively fixed with steel ball limiting plates (9) to prevent the steel balls (8) from coming out during the sliding process, and the two ends of the outer main rail (2) are respectively An outer secondary rail limiting plate (10) is fixed to prevent the outer secondary rail (3) from protruding from the outer main rail (2), and the two ends of the inner main rail (4) are respectively fixed with an inner secondary rail limiting plate (11), to prevent the inner secondary rail (5) from breaking out of the inner main rail (4); the first handle (12) is arranged outside the right side wall of the box body assembly (7) at the rear side, and the box body assembly ( 7) is provided with a storage hole (7a) communicating with the inner cavity of the box on the rear side wall; a first handle (12) is provided outside the left side wall of the box body assembly (7) on the front side, and the box body assembly A storage hole (7a) communicating with the inner cavity of the box is opened on the front side wall of (7). The first handle is set to facilitate the grip when sliding the box body assembly; the cutter head assembly is put into the box body assembly from the storage hole, and the position of the storage hole is optimized for the convenience of operation; at the same time, a steel ball limit plate and an outer secondary rail limit The position plate and the inner secondary rail limit plate are all to ensure that the box body assembly and the box body assembly are reliable and stable when sliding, and there is no failure.

The cable insulation heat shrinking machine part (D) includes a heat shrinking machine shell (13), and a booster turbine (14), a motor assembly (15) and a ceramic The heating element (16), the circumferential side wall of the heat shrink machine housing (13) is provided with several air inlet holes (13a) facing the turbocharger (14), and the top of the heat shrink machine housing (13) is provided with An air outlet ring (17) is arranged, and the air outlet ring (17) includes an upper air outlet half ring (17a) and a lower air outlet half ring (17b), and the bottom of the lower air outlet half ring (17b) is in contact with the heat shrinkable ring. The top of the machine casing (13) is connected, and the upper air outlet half ring (17a) and the lower air outlet half ring (17b) are buckled together to form an annular air duct, and are locked together by the cam locking mechanism (18). The inwall of the air outlet ring (17) also has a circle of air outlets (17c). When working, the cable whose outer layer of insulation has been stripped is placed in the round hole of the air outlet ring. The wind enters the shell of the heat shrinker from the air inlet hole. After being boosted by the turbocharger, it is sent to the ceramic heating element for heating, and then It enters the air outlet ring through the top of the heat shrink machine shell, and finally it is discharged from the air outlet to wrap the cables in the round hole of the air outlet ring with insulating heat shrinkable layer. The circumferential direction is wrapped with insulating heat shrinkable layer. Compared with the traditional manual workshop-style cable insulation heat shrinking machine, this newly designed cable insulation heat shrinking machine has a higher degree of automation and better heat exchange effect.

Further, the ceramic heating element (16) is a hollow cone with a small top and a large bottom, and several spiral fins (16a) are respectively arranged on the inner and outer walls of the cone, and the spiral fins (16a) on the inner wall ( The direction of 16a) is just opposite to the direction of the helical fins (16a) on the outer wall, and some air holes (16b) are also provided at the positions where the helical fins (16a) are staggered on the side wall of the cone. Optimize the structure of the ceramic heating element, and add air holes and spiral fins to provide a rotating field for the wind, so that the heated wind is spirally sent into the air outlet ring, which is more conducive to heat exchange, increases the heat dissipation area, and saves energy.

The electric cutting machine part (B) includes a two-way rotating speed-regulating motor (31), a worm gear mechanism (19), a pinion (20), a fixed blade (21) and a moving blade (23), and the two-way rotating speed-regulating The motor (31) drives the worm (19b) of the worm gear mechanism (19) to rotate through the shaft coupling (24), and the worm wheel (19a) of the worm gear mechanism (19) and the pinion (20) are fixedly sleeved on the same worm gear shaft. (25), the movable blade (23) and the pinion (20) are driven through external gear meshing, the center of the movable blade (23) is fixedly sleeved on the spline shaft (26), and the end of the spline shaft (26) Head stretches in an end portion of fixed blade (21), is provided with ball (22) between spline shaft (26) end and fixed blade (21), between the side wall of spline shaft (26) and fixed blade ( 21) is provided with a needle roller (37), so that the spline shaft (26) can rotate relative to the fixed blade (21), and the other end of the fixed blade (21) is mounted on the worm gear shaft (25) through a bearing, The fixed blade (21) is provided with a lower cutting edge (21a), and the movable blade (23) is provided with an upper cutting edge (23a) matching the lower cutting edge (21a). When working, the two-way rotating speed-regulating motor first drives the worm of the worm gear mechanism to rotate through the coupling, the worm drives the worm wheel, the turbine shaft and the pinion to rotate together, and the pinion drives the moving blade and the spline shaft to rotate around the axis of the spline shaft , the fixed blade remains still, and the cable is cut off by the cutting edge formed by the fixed blade and the moving blade.

In the lower cabinet door of the cabinet body part (A), the lower ends of the lower cabinet doors on the front, rear and right sides are hinged on the corresponding side walls of the bottom layer, and the outer walls of the lower cabinet doors on the front, rear and right sides are respectively provided with There is a second handle (27), when the front, rear, and right lower cabinet doors are turned outwards and are supported on the ground by the second handle (27), the front, rear, and right lower cabinet doors are just in contact with the ground. Parallel; the left cabinet door of the cabinet body part (A) adopts a left-right split structure, wherein a storage box (28) is arranged on the inner wall of one left cabinet door, and a central control box is arranged on the inner wall of the other left cabinet door ; When folded, the disassembled parts can be put into the storage box.

The middle part of the middle layer of the cabinet body part (A) is sunken downwards to form an accommodation cavity (30), which is also used for putting disassembled parts into the accommodation cavity when folding.

Beneficial effects of the present invention:

(1) There are four stations on the machining center, among which the front and rear sides are cable stripping and cutting stations, the left side is the cable cutting station, the right side is the cable outer insulation thermoplastic processing station, and in the middle The middle part of the layer is equipped with a wire nose hydraulic pliers, and is also equipped with a pay-off mechanism and a generator, which provides electric energy for the four stations. The processing center is equipped with two cable stripping and cutting machine parts, on the one hand, because the cable stripping and cutting process takes a long time, and on the other hand, the cable stripping and cutting machine parts themselves are heavy, and the front and back are symmetrically arranged to ensure the overall balance of the processing center;

(2) The four stations are vertically arranged on the inner wall of the upper cabinet on the corresponding side, and the middle layer acts as a workbench. When working, the four stations perform their respective functions. The corresponding workstations are folded into the cabinet to form a closed cabinet with ingenious design and easy maintenance and management;

To sum up, this processing center maximizes the use of space, integrates the cable processing equipment into the same processing center, and realizes the folding of the entire processing center, which is convenient for the maintenance and management of the construction site and the equipment itself, and improves the processing efficiency , has broad market prospects.

Description of drawings

Fig. 1 is a perspective view of the present invention in an open state.

Fig. 2 is a perspective view of the present invention in a folded state.

Fig. 3 is a schematic structural view of the sliding rail type combined box body components.

FIG. 4 is a top view of FIG. 3 .

Fig. 5 is a left view of Fig. 3 .

FIG. 6 is an enlarged view of J portion in FIG. 5 .

Fig. 7 is a schematic structural view of the components of the cable insulation heat shrinking machine.

Fig. 8 is a left side view of Fig. 7 .

Fig. 9 is a K-K sectional view of Fig. 8 .

Fig. 10 is a schematic structural view of the components of the electric cutting machine.

Fig. 11 is a sectional view taken along line L-L of Fig. 10 .

FIG. 12 is a sectional view taken along line M-M of FIG. 10 .

FIG. 13 is an N-N sectional view of FIG. 12 .

Among them: cabinet body part A, power cutting machine part B, cable stripping and cutting machine part C, cable insulation heat shrinking machine part D, generator E, wire nose hydraulic pliers F, pay-off machine part G, slide rail type combination box Part H;

Gas brace 1, outer main rail 2, outer secondary rail 3, inner main rail 4, inner secondary rail 5, box assembly 6, box assembly 7, steel ball 8, steel ball limit plate 9, outer secondary rail limit plate 10 , Inner secondary rail limit plate 11, first handle 12, heat shrink machine shell 13, turbocharger 14, motor assembly 15, ceramic heating element 16, air outlet ring 17, cam locking mechanism 18, worm gear mechanism 19, Pinion 20, fixed blade 21, ball 22, moving blade 23, shaft coupling 24, worm gear shaft 25, spline shaft 26, second handle 27, storage box 28, gear guard 29, accommodation cavity 30, two-way rotary adjustment Speed motor 31, device primary instrument 32, device secondary instrument 33, hinge 34, controller assembly 35, motor support 36, needle roller 37, bearing end cover 38.

detailed description

The present invention will be further described below in conjunction with drawings and embodiments.

As shown in Figure 1 and Figure 2, a retractable cable terminal processing center mainly consists of a foldable cabinet part A, a power cutting machine part B installed in the cabinet part A, and a cable stripping and cutting machine part C, the cable insulation heat shrinking machine part D, the generator E, the wire lug hydraulic pliers F and the pay-off machine part G are composed of several parts, in addition, it also includes the primary instrument 32 and the device arranged in the cabinet part A Install the secondary instrument 33.

Cabinet part A is divided into top layer, middle layer and bottom layer. The generator E and pay-off machine part G are installed on the bottom floor, the wire lug hydraulic clamp F is located in the middle of the middle layer, and each side wall of the cabinet part A is equipped with an upper cabinet door and a lower cabinet door bounded by the middle layer. When all When the cabinet door is in the closed state, the whole cabinet body part A constitutes a fully enclosed cabinet body. The lower end of each upper cabinet door is hinged on the corresponding side wall of the middle layer, and is closed and opened by the gas struts 1 on both sides. Each upper cabinet door corresponds to two gas struts 1, and there are 8 gas struts in total for the four upper cabinet doors. Gas support 1. When working, the gas strut 1 pushes the corresponding upper cabinet door to open to a horizontal state, and when retracting, the gas strut 1 drives the corresponding upper cabinet door to retract and close. There are two parts C of the cable stripping machine, which are installed vertically on the inner wall of the upper cabinet door on the front and rear sides respectively. Each part C of the cable stripping machine is equipped with a radial stripping and axial stripping mechanism, which can The radial stripping and cutting of the cable and the axial stripping and cutting of the cable are prior art, and will not be repeated here. The two cable stripping and cutting machine parts C are symmetrically arranged front and back, which can strip and cut the cables respectively, while ensuring the weight balance of the front and rear sides of the entire processing center. Part B of the power cutter is installed vertically on the inner wall of the upper cabinet door on the left and is used for cutting cables. Cable insulation heat shrinking machine part D is vertically installed on the inner wall of the upper cabinet door on the right side, and is used for external insulation thermoplastic processing of cables.

As shown in Fig. 1, Fig. 3-Fig. 5, there is also a sliding rail type combination box part H in the cabinet part A, which is used to place the disassembled peeling and cutting mechanism cutter head assembly when folding.

The slide rail type combination box part H is mainly composed of an outer main rail 2, an outer secondary rail 3, two inner main rails 4, two inner secondary rails 5, a box assembly 6, two box assemblies 7 and Several steel balls 8 are formed. The outer main rail 2 is provided with a bolt hole 2a for fixing the top layer of the cabinet part A, the outer main rail 2 is fixed on the top layer of the cabinet part A by bolts, and the top of the box assembly 6 is fixed on the outer secondary rail 3 by bolts, The length of the outer secondary rail 3 is less than that of the outer main rail 2, and the outer main rail 2 and the outer secondary rail 3 are slidably connected by steel balls 8 arranged in a row, thereby forming a first linear guide rail extending left and right. The outer secondary rail 3 can slide relative to the outer main rail 2 under the action of external force, that is, the box assembly 6 can slide relative to the top layer of the cabinet part A under the action of external force. There are two box assemblies 7, which are stacked one above the other in the box assembly 6, and the top of each box assembly 7 is fixed with an inner secondary rail 5 by bolts. There are also two inner main rails 4, which are fixed on the top of the box assembly 6 by bolts, and each inner main rail 4 and its corresponding inner secondary rail 5 are also slidably connected by steel balls 8 arranged in a row, thereby forming a left-right extension The second linear guide. The inner secondary rail 5 can slide relative to the inner main rail 4 under the action of external force, that is, each box assembly 7 can slide relative to the box assembly 6 under the action of external force.

When the box assembly 6 slides to the far left, the box assembly 7 positioned at the rear can slide out from the right side of the box assembly 6, and when the box assembly 6 slides to the far right, the box body positioned at the front side The component 7 can slide out from the left side of the box component 6 (as shown by the two-dot dash line in the figure). Use the space between the top layer and the middle layer of the cabinet part A to arrange the slide rail type combined box part H. When folding, remove the cutter head assembly of the cable stripping and cutting part C on the front side and put it into the box body on the front side In the assembly 7, disassemble the cutter head assembly of the cable stripping and cutting part C on the rear side and put it into the box assembly 7 on the rear side. 6 and the box assembly 7 to put the cutter head assembly, so that the overall size of the folded machining center is minimized.

Preferably, the two ends of the fixed track corresponding to each row of steel balls 8 are respectively fixed with steel ball limiting plates 9 to prevent the steel balls 8 from coming out during the sliding process, that is, the steel ball limiting plates 9 of the first linear guide rail are fixed outside by bolts. On the main rail 2, the steel ball limiting plate 9 of the second linear guide rail is fixed at both ends of the inner main rail 4 by bolts. The steel ball limiting plate 9 blocks the entire row of steel balls 8 from the outside of the fixed track, and requires that the steel ball limiting plate 9 will not affect the normal sliding of the sliding track relative to the fixed track. Similarly, the two ends of the outer main rail 2 are respectively fixed with outer secondary rail limiting plates 10 to prevent the outer secondary rail 3 from protruding from the outer main rail 2, and the two ends of the inner main rail 4 are respectively fixed with inner secondary rail limiting plates. 11, to prevent the inner secondary rail 5 from breaking out of the inner main rail 4. A first handle 12 is arranged outside the right side wall of the box assembly 7 on the rear side, and a storage hole 7a communicating with the inner cavity of the box is opened on the rear side wall of the box assembly 7; the box assembly located on the front side A first handle 12 is provided outside the left side wall of the box assembly 7, and a storage hole 7a communicating with the inner cavity of the box is opened on the front side wall of the box assembly 7.

As shown in Fig. 7-Fig. 9, the cable insulation heat shrinking machine part D is mainly composed of the heat shrinking machine shell 13, the air outlet ring 17, the cam locking mechanism 18 and the booster installed in the heat shrinking machine shell 13 from bottom to top. Compression turbine 14, motor assembly 15 and ceramic heating element 16 etc. are composed. A plurality of air inlet holes 13 a facing the supercharging turbine 14 are provided on the circumferential side wall of the heat shrink machine housing 13 , and an air outlet ring 17 is provided on the top of the heat shrink machine housing 13 . The air outlet ring 17 is composed of an upper air outlet half ring 17a and a lower air outlet half ring 17b. The bottom of the lower air outlet half ring 17b communicates with the top of the heat shrink machine housing 13, and the upper air outlet half ring 17a and the lower air outlet half ring 17b are buckled together to form an annular air duct, and are locked in place by the cam locking mechanism 18. At the same time, along the inner wall of the air outlet ring 17, there is a circle of air outlets 17c. One end of the upper air outlet half ring 17a and the lower air outlet half ring 17b is connected by a hinge 34, and the other end is locked by a cam locking mechanism 18, and the cam locking mechanism 18 is opened, and the upper air outlet half ring 17a can rotate around the hinge 34 ( indicated by the double dotted line in the figure). When working, the cable whose outer layer of insulation has been stripped is placed in the round hole of the air outlet ring 17, and the wind enters the heat shrinkable machine shell 13 from the air inlet hole 13a, and after being boosted by the turbocharger 14, it is sent into the ceramic to generate heat. body 16 is heated, then enters the air outlet ring 17 through the top of the heat shrinkable machine shell 13, and finally is discharged from the air outlet 17c to wrap the cable in the round hole of the air outlet ring 17 with an insulating heat shrinkable layer. The air outlet 17c is along the air outlet A ring of slits provided on the inner wall of the ring 17 just in time wraps the circumference of the cable with an insulating heat-shrinkable layer.

Preferably, the ceramic heating element 16 is a hollow cone with a small top and a large bottom, and several spiral fins 16a are respectively arranged on the inner and outer walls of the cone, and the direction of the spiral fins 16a on the inner wall is consistent with that of the outer wall. The direction of the helical fins 16a on the cone is just opposite, and there are several air holes 16b on the side wall of the cone where the helical fins 16a are staggered. In addition, a controller assembly 35 , a motor support 36 and the like are also arranged in the heat shrink machine housing 13 .

As shown in Fig. 10-Fig. 13, part B of electric cutting machine is mainly composed of two-way rotating speed regulating motor 31, worm gear mechanism 19, pinion 20, fixed blade 21, ball 22, moving blade 23, coupling 24, worm gear Shaft 25, spline shaft 26 etc. are formed. The two-way rotating speed-regulating motor 31 drives the worm 19b of the worm gear mechanism 19 to rotate through the coupling 24, the worm gear 19a of the worm gear mechanism 19 and the pinion gear 20 are fixedly sleeved on the same worm gear shaft 25, and the movable blade 23 and the pinion gear 20 pass through the outer Teeth meshing transmission, the center of the moving blade 23 is fixedly sleeved on the spline shaft 26, the end of the spline shaft 26 extends into one end of the fixed blade 21, and a ball is arranged between the end of the spline shaft 26 and the fixed blade 21. 22 , a needle roller 37 is arranged between the side wall of the spline shaft 26 and the fixed blade 21 , so that the spline shaft 26 can rotate relative to the fixed blade 21 . The spline shaft 26, the ball 22 and the fixed blade 21 form a plane thrust bearing, which bears the axial force; the spline shaft 26, the needle roller 37 and the fixed blade 21 form a needle bearing, which bears the radial force. Through such a structural design, the traditional end bearing is replaced, but compared with the traditional end bearing, the structure is more compact and the occupied volume is smaller. A bearing end cover 38 is arranged outside the bearing. The other end of the fixed blade 21 is installed on the worm gear shaft 25 through a bearing, the fixed blade 21 is provided with a lower cutting edge 21a, and the movable blade 23 is provided with an upper cutting edge 23a matching the lower cutting edge 21a. The upper cutting edge 23a and the lower cutting edge 21a form a cutting structure for cutting cables. A gear guard 29 is also provided outside the pinion 20 .

In addition, as shown in Figure 1, among the lower cabinet doors of the cabinet body part A, the lower ends of the front, rear and right lower cabinet doors are hinged on the corresponding side walls of the bottom floor, and the front, rear and right lower cabinet doors The outer wall is respectively provided with a second handle 27, and the lower cabinet doors on the front, rear and right side are turned outwards and opened, and when they are supported on the ground by the second handle 27, the lower cabinet doors on the front, rear and right side are just in contact with the ground. Parallel; the left cabinet door of cabinet body part A adopts the structure that opens left and right, wherein the inner wall of one left cabinet door is provided with storage box 28, and the inner wall of the other left cabinet door is provided with central control box (not shown in the figure) ). The middle part of the middle layer of the cabinet body part A is sunken downwards to form an accommodation cavity 30, and the wire nose hydraulic pliers F is placed in the accommodation cavity 30. At the same time, the parts disassembled during folding can also be placed in the accommodation cavity 30 and the storage box 28. .

Claims (6)

1. A collapsible cable terminal processing center, characterized in that it includes a collapsible cabinet part (A), and a power cutting machine part (B) installed in the cabinet part (A), cable stripping and cutting machine part (C), cable insulation heat shrink machine part (D), generator (E), wire nose hydraulic pliers (F) and pay-off machine part (G), the cabinet body part (A) includes the top layer, the middle layer and the bottom layer, the generator (E) and pay-off machine parts (G) are installed on the bottom layer, the wire nose hydraulic pliers (F) are located in the middle of the middle layer, and each side wall of the cabinet body part (A) The upper cabinet door and the lower cabinet door are equipped with the middle layer as the boundary, and the lower end of each upper cabinet door is hinged on the corresponding side wall of the middle layer, and is closed and opened by the air struts (1) on both sides. The cable There are two stripping and cutting machine parts (C), which are installed vertically on the inner wall of the upper cabinet door on the front and rear sides respectively. The power cutting machine part (B) is vertically installed on the inner wall of the upper cabinet door on the left side. The insulating heat shrinking machine part (D) is installed vertically on the inner wall of the upper cabinet door on the right side; The cabinet part (A) is also provided with a slide rail type combination box part (H), and the slide rail type combination box part (H) includes an outer main rail (2), an outer secondary rail (3), an inner The main rail (4), the inner secondary rail (5), the box assembly (6) and the box assembly (7); the outer main rail (2) is fixed on the top layer of the cabinet part (A), and the box assembly The top of (6) is fixed on the outer secondary rail (3), and the outer main rail (2) and the outer secondary rail (3) are slidably connected by steel balls (8) arranged in a row, thereby forming a left-right extending The first linear guide rail; there are two box assemblies (7), stacked one above the other in the box assembly (6), and the top of each box assembly (7) is fixedly provided with a said inner secondary rail (5), there are also two inner main rails (4), which are fixed on the top of the box assembly (6), and each inner main rail (4) and its corresponding inner secondary rail (5) are also formed by forming The steel balls (8) arranged in a row are slidably connected to form a second linear guide rail extending left and right; when the box assembly (6) slides to the leftmost side, the box assembly (7) at the rear side can move from the box assembly ( 6) slides out from the right side, when the box assembly (6) slides to the far right, the box assembly (7) on the front side can slide out from the left side of the box assembly (6); The cable insulation heat shrinking machine part (D) includes a heat shrinking machine shell (13), and a booster turbine (14), a motor assembly (15) and a ceramic The heating element (16), the circumferential side wall of the heat shrink machine housing (13) is provided with several air inlet holes (13a) facing the turbocharger (14), and the top of the heat shrink machine housing (13) is provided with An air outlet ring (17) is arranged, and the air outlet ring (17) includes an upper air outlet half ring (17a) and a lower air outlet half ring (17b), and the bottom of the lower air outlet half ring (17b) is in contact with the heat shrinkable ring. The top of the machine casing (13) is connected, and the upper air outlet half ring (17a) and the lower air outlet half ring (17b) are buckled together to form an annular air duct, and are locked together by the cam locking mechanism (18). The inwall of the air outlet ring (17) also has a circle of air outlets (17c). 2. The retractable cable terminal processing center according to claim 1, characterized in that: the two ends of the fixed rails corresponding to the steel balls (8) in each column are respectively fixed with steel ball limiting plates (9) to prevent During the sliding process, the steel ball (8) comes out, and the two ends of the outer main rail (2) are respectively fixed with outer secondary rail limit plates (10) to prevent the outer secondary rail (3) from falling out of the outer main rail (2), The two ends of the inner main rail (4) are respectively fixed with inner secondary rail limit plates (11) to prevent the inner secondary rail (5) from breaking out of the inner main rail (4); the box assembly (7) on the rear side ) is provided with a first handle (12) on the outside of the right side wall, and a storage hole (7a) communicating with the inner cavity of the box is opened on the rear side wall of the box assembly (7); the box assembly ( 7) A first handle (12) is provided outside the left side wall, and a storage hole (7a) communicating with the inner cavity of the box is opened on the front side wall of the box body assembly (7). 3. The retractable cable terminal processing center according to claim 1, characterized in that: the ceramic heating element (16) is a hollow cone with a small top and a large bottom, and the inner and outer walls of the cone are respectively provided with Several helical fins (16a), and the direction of the helical fins (16a) on the inner wall is just opposite to the direction of the helical fins (16a) on the outer wall, and the helical fins are staggered on the side wall of the cone There are also some air holes (16b) at the position of the sheet (16a). 4. The retractable cable terminal processing center according to claim 1, characterized in that: the power cutting machine part (B) includes a bidirectional rotating speed regulating motor (31), a worm gear mechanism (19), a pinion ( 20), the fixed blade (21) and the movable blade (23), the two-way rotating speed-regulating motor (31) drives the worm (19b) of the worm gear mechanism (19) to rotate through the shaft coupling (24), and the worm gear mechanism ( The worm wheel (19a) of 19) and the pinion gear (20) are fixedly sleeved on the same worm gear shaft (25), and the movable blade (23) and the pinion gear (20) are driven through external gear meshing, and the movable blade (23) The center of the circle is fixedly sleeved on the spline shaft (26), and the end of the spline shaft (26) extends into one end of the fixed blade (21), between the end of the spline shaft (26) and the fixed blade (21) A ball (22) is provided, and a needle roller (37) is arranged between the side wall of the spline shaft (26) and the fixed blade (21), so that the spline shaft (26) can rotate relative to the fixed blade (21), The other end of the fixed blade (21) is installed on the worm gear shaft (25) through a bearing, the fixed blade (21) is provided with a lower cutting edge (21a), and the movable blade (23) is provided with a lower cutting edge (21a). ) matching upper edge (23a). 5. The retractable cable terminal processing center according to claim 1, characterized in that: among the lower cabinet doors of the cabinet body part (A), the lower ends of the front, rear and right lower cabinet doors are hinged on the bottom On the corresponding side wall, and the lower cabinet door outer wall of front, rear, right side is provided with second handle (27) respectively, and the lower cabinet door of front, back, right side turns outwards and opens, and passes second handle ( 27) When supported on the ground, the front, rear, and right lower cabinet doors are just parallel to the ground; the left cabinet door of the cabinet body part (A) adopts a left-right split structure, and one of the left cabinet doors A storage box (28) is provided, and a central control box is provided on the inner wall of the other left cabinet door. 6. The retractable cable terminal processing center according to claim 1, characterized in that: the middle part of the middle layer of the cabinet body part (A) is recessed downwards to form an accommodating cavity (30).