CN220095293U - Shell forming device for producing electronic connectors - Google Patents

Abstract

The utility model discloses a shell forming device for producing an electronic plug connector, which comprises a bottom plate, universal wheels, a transmission shaft, a first motor, a conveyor belt, a clamping mechanism for clamping a shell mould for producing the electronic plug connector, a purifying mechanism for purifying polluted gas generated in the shell of the electronic plug connector, and a cooling mechanism for cooling and plasticity of the formed shell of the electronic plug connector, wherein four universal wheels are arranged below the bottom plate in a surrounding manner, and the first motor is arranged on the front side of the bottom plate. The beneficial effects are that: the air suction heads at the lower ends of the air suction pipes at the two sides are driven by the air pump to absorb the polluted gas generated in the production process of the shell of the electronic plug connector, then the polluted gas is discharged into the purifying box through the air outlet pipe, and then the polluted gas is purified through the action of the active carbon net, so that the polluted gas is prevented from damaging human bodies or air to a certain extent.

Description

Shell forming device for producing electronic connectors

Technical Field

The utility model relates to the field of shell forming devices, in particular to a shell forming device for producing an electronic plug connector.

Background

The connector is also called a connector. Also referred to herein as connectors and sockets, are commonly referred to as electrical connectors. I.e. a device connecting two active devices, which carries a current or signal. The male and female terminals are capable of transmitting a message or current through contact, also referred to as a connector.

The prior art lacks in production and collects the polluted gas that produces when producing and purify, probably can cause certain influence to human body and environment, and has lacked certain effect of carrying out certain cooling plasticity to the shell after having produced, thereby can lead to some shells to take place to warp etc. through collision or friction to make some shells, influences the later stage and uses.

Disclosure of Invention

The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a housing molding apparatus for producing an electronic connector.

The utility model realizes the above purpose through the following technical scheme:

the shell forming device for producing the electronic plug connector comprises a bottom plate, universal wheels, a transmission shaft, a first motor, a transmission belt, a clamping mechanism for clamping a shell mould of the electronic plug connector, a purifying mechanism for purifying polluted gas generated in the shell of the electronic plug connector, and a cooling mechanism for cooling and plasticity of the formed shell of the electronic plug connector, wherein four universal wheels are arranged around the lower part of the bottom plate, the first motor is arranged on the front side of the bottom plate, the transmission shaft is arranged on the rear side of the first motor, the transmission belt is arranged on the outer side of the transmission shaft, the clamping mechanism is positioned above the bottom plate, the purifying mechanism is positioned above the clamping mechanism, the cooling mechanism is positioned on one side of the clamping mechanism, the shell of the electronic plug connector is subjected to hot press forming, and the hot press mechanism is positioned in the middle of the clamping mechanism;

the hot pressing mechanism comprises a first electric push rod, a hot pressing plate, a heating pipe, a second electric push rod, a bearing plate, a third gear and a rack, wherein the first electric push rod is positioned in the middle of the clamping mechanism, the hot pressing plate is arranged at the lower end of the first electric push rod, the heating pipe is arranged inside the hot pressing plate, the bearing plate is arranged below the hot pressing plate, sliding blocks are arranged at the front end and the rear end of the lower end of the bearing plate, the third gear is sleeved in front of the sliding blocks, the rack is arranged at one side of the third gear, and the second electric push rod is arranged at the upper end of the sliding blocks.

Preferably: the clamping mechanism comprises a first bearing frame, a connecting frame, a second motor, a threaded rod, clamping plates and a belt, wherein the first bearing frame is arranged above the bottom plate, the connecting frame is arranged on the front side and the rear side of the first bearing frame, the second motor is arranged on one side of the connecting frame, the threaded rod is arranged on one side of the second motor, the clamping plates are sleeved on the two sides of the threaded rod, a belt pulley is sleeved on one side of the threaded rod, and the belt pulley is sleeved with the belt on the surface of the belt pulley.

Preferably: the purifying mechanism comprises a purifying box, an air outlet pipe, an air pump, an exhaust pipe and an activated carbon net, wherein the air pump is positioned above the hot pressing mechanism, the exhaust pipes are arranged on two sides of the air pump, the exhaust heads are arranged at the lower ends of the exhaust pipes, the purifying box is arranged at the rear of the air pump, the activated carbon net is arranged inside the purifying box, and the air pump is connected with the air outlet pipe between the purifying box.

Preferably: the cooling mechanism comprises a third motor, a second bearing frame, a rotating shaft, a first gear, a second gear, a cooling box, a cooling pipe, a cooling plate and a blowing fan, wherein the second bearing frame is arranged above the bottom plate, the third motor is arranged in front of the second bearing frame, two rotating shafts are arranged behind the third motor, the upper rotating shaft and the lower rotating shaft are respectively sleeved with the first gear and the second gear, the cooling box is arranged at the lower end of the second gear, the cooling pipe is arranged inside the cooling box, the cooling plate is arranged below the cooling pipe, and the blowing fan is arranged below the cooling plate.

Preferably: the third motor is connected with the second bearing frame through a bolt, the third motor is connected with the rotating shaft through a key, and the rotating shaft is connected with the second bearing frame in a rotating mode.

Preferably: the first gear is meshed with the second gear, the second gear is welded with the cooling box, and a plurality of cooling heads are arranged at the lower end of the cooling box.

Preferably: the third gear is meshed with the rack, and the third gear is welded with the bearing plate.

Preferably: the first bearing frame is in sliding connection with the sliding block, the bearing plate is in rotary connection with the sliding block, and the first bearing frame is integrally formed with the connecting frame.

Preferably: the second motor is connected with the connecting frame through a bolt, the second motor is connected with the threaded rod through a key, and the threaded rod is connected with the connecting frame in a rotating mode.

Preferably: the two sides of the threaded rod are opposite in thread direction, the clamping plate is in threaded connection with the threaded rod, and the clamping plate is in sliding connection with the connecting frame.

Compared with the prior art, the utility model has the following beneficial effects:

through being provided with purifying box, air pump, active carbon net etc., the air pump drives the air pump of both sides exhaust tube lower extreme and absorbs the polluted gas that produces in the production process of electron plug connector shell, then discharges into inside the purifying box through the outlet duct, then carries out purifying treatment to polluted gas through the effect of active carbon net to prevent that polluted gas from causing certain injury to human body or air.

Through being provided with third motor, the axis of rotation, the cooler bin, refrigeration pipe etc., the axis of rotation that drives the top through third motor kinetic energy rotates, utilize first gear and second gear to mesh the effect, thereby drive the axis of rotation of below and rotate, and then drive the cooler bin of lower extreme and rotate, thereby can realize carrying out the cooling of large tracts of land to the electron plug connector shell, the inside refrigeration pipe effect of rethread cooler bin, the air conditioning that gives off is given off through the cooling plate, then through the effect of blowing fan, carry the air conditioning to the electron plug connector shell of below in a plurality of cooling heads of lower extreme to carry out cooling plasticity, thereby avoided the electron plug connector shell to receive the factor of external collision and lead to the condition such as deformation damage, influence later stage's use.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of a housing forming apparatus for producing an electronic connector according to the present utility model;

FIG. 2 is a schematic view of a clamping mechanism of a housing forming apparatus for producing an electronic connector according to the present utility model;

FIG. 3 is a schematic view of a hot press mechanism of a housing forming apparatus for producing an electronic connector according to the present utility model;

FIG. 4 is a cross-sectional view of the interior of a hot platen of a housing forming apparatus for producing an electrical connector according to the present utility model;

FIG. 5 is a schematic view of a purifying mechanism of a housing forming apparatus for producing an electronic connector according to the present utility model;

FIG. 6 is a cross-sectional view of the interior of a purge bin of the housing forming apparatus for producing an electrical connector of the present utility model;

FIG. 7 is a schematic view of a cooling mechanism of a housing forming apparatus for producing an electronic connector according to the present utility model;

fig. 8 is a sectional view of the inside of a cooling box of a housing forming apparatus for producing an electronic plug according to the present utility model.

The reference numerals are explained as follows:

1. a bottom plate; 2. a universal wheel; 3. a transmission shaft; 4. a first motor; 5. a conveyor belt; 6. a clamping mechanism; 61. a first load bearing frame; 62. a connecting frame; 63. a second motor; 64. a threaded rod; 65. a clamping plate; 66. a belt; 7. a purifying mechanism; 71. a purifying box; 72. an air outlet pipe; 73. an air pump; 74. an exhaust pipe; 75. an activated carbon net; 8. a cooling mechanism; 81. a third motor; 82. a second load-bearing frame; 83. a rotating shaft; 84. a first gear; 85. a second gear; 86. a cooling box; 87. a refrigeration tube; 88. a cooling plate; 89. a blowing fan; 9. a hot pressing mechanism; 91. a first electric push rod; 92. a hot pressing plate; 93. heating pipes; 94. a second electric push rod; 95. a pressure bearing plate; 96. a third gear; 97. a rack.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 8, the shell forming device for producing the electronic plug connector comprises a bottom plate 1, universal wheels 2, a transmission shaft 3, a first motor 4, a transmission belt 5, a clamping mechanism 6 for clamping a mould for producing the electronic plug connector shell, a purifying mechanism 7 for purifying polluted gas generated in the producing the electronic plug connector shell, a cooling mechanism 8 for cooling and plasticity of the formed electronic plug connector shell, four universal wheels 2 are arranged around the lower part of the bottom plate 1, the first motor 4 is arranged on the front side of the bottom plate 1, the transmission shaft 3 is arranged on the rear side of the first motor 4, the transmission belt 5 is arranged on the outer side of the transmission shaft 3, the clamping mechanism 6 is positioned above the bottom plate 1, the purifying mechanism 7 is positioned above the clamping mechanism 6, the cooling mechanism 8 is positioned on one side of the clamping mechanism 6, the shell forming device also comprises a hot press mechanism 9 for hot press forming the producing the electronic plug connector shell, and the hot press mechanism 9 is positioned in the middle of the clamping mechanism 6;

in this embodiment: the clamping mechanism 6 comprises a first bearing frame 61, a connecting frame 62, a second motor 63, a threaded rod 64, clamping plates 65 and a belt 66, wherein the first bearing frame 61 is arranged above the bottom plate 1, the connecting frame 62 is arranged at the front side and the rear side of the first bearing frame 61, the second motor 63 is arranged at one side of the connecting frame 62, the threaded rod 64 is arranged at one side of the second motor 63, the clamping plates 65 are sleeved at two sides of the threaded rod 64, a belt pulley is sleeved at one side of the threaded rod 64, the belt 66 is sleeved on the surface of the belt pulley, the first bearing frame 61 is in sliding connection with the sliding block, the bearing plate 95 is in rotating connection with the sliding block, the first bearing frame 61 is integrally formed with the connecting frame 62, the second motor 63 is in threaded connection with the threaded rod 64 through a bolt, the threaded rod 64 is in rotating connection with the connecting frame 62, the threaded directions of the two sides of the threaded rod 64 are opposite, the clamping plates 65 are in threaded connection with the threaded rod 64 through the second motor 63, the two sides of the threaded rod 64 are driven to rotate through the transmission effect of the belt 66, the two threaded rods 64 are driven to rotate simultaneously, the two threaded rods are driven to drive the threaded rod 64 to rotate simultaneously, the two sides of the threaded rod 64 are driven to move in opposite directions of the threaded rod 65 to move, the two sides, the clamping plates are driven to move in opposite directions, the clamping plates 95 are driven to move, the bearing plate 95 is fixed in a certain process, and the hot pressing condition is prevented from moving, and the like;

in this embodiment: the hot pressing mechanism 9 comprises a first electric push rod 91, a hot pressing plate 92, a heating pipe 93, a second electric push rod 94, a bearing plate 95, a third gear 96 and a rack 97, wherein the first electric push rod 91 is positioned in the middle of the clamping mechanism 6, the hot pressing plate 92 is arranged at the lower end of the first electric push rod 91, the heating pipe 93 is arranged inside the hot pressing plate 92, the bearing plate 95 is arranged below the hot pressing plate 92, sliding blocks are arranged at the front end and the rear end of the lower end of the bearing plate 95, the third gear 96 is sleeved in front of the sliding blocks, the rack 97 is arranged at one side of the third gear 96, the second electric push rod 94 is arranged at the upper end of the sliding blocks, the third gear 96 is meshed with the rack 97, the third gear 96 is welded with the bearing plate 95, the first electric push rod 91 pushes the hot pressing plate 92 to carry out hot pressing operation on a processing original piece on the lower bearing plate 95, and then the second electric push rod 94 pushes the sliding blocks to drive the bearing plate 95 to move downwards, so that the third gear 96 is meshed with the rack 97, and the bearing plate 95 is driven to rotate, a molded electronic plug housing on the bearing plate is dropped onto the lower conveying belt 5, and the conveying belt is integrated with the conveying belt 5, and the manual work is convenient;

in this embodiment: the purifying mechanism 7 comprises a purifying box 71, an air outlet pipe 72, an air pump 73, an air exhaust pipe 74 and an activated carbon net 75, wherein the air pump 73 is positioned above the hot pressing mechanism 9, the air exhaust pipe 74 is arranged at two sides of the air pump 73, the air exhaust head is arranged at the lower end of the air exhaust pipe 74, the purifying box 71 is arranged behind the air pump 73, the activated carbon net 75 is arranged in the purifying box 71, the air outlet pipe 72 is connected between the air pump 73 and the purifying box 71, the air exhaust heads at the lower ends of the air exhaust pipes 74 at two sides are driven by the air pump 73 to absorb polluted gas generated in the production process of the shell of the electronic plug connector, the polluted gas is discharged into the purifying box 71 through the air outlet pipe 72, and then the polluted gas is purified through the action of the activated carbon net 75, so that the polluted gas is prevented from damaging human body or air to a certain extent;

in this embodiment: the cooling mechanism 8 comprises a third motor 81, a second bearing frame 82, a rotating shaft 83, a first gear 84, a second gear 85, a cooling box 86, a refrigerating tube 87, a cooling plate 88 and a blowing fan 89, wherein the second bearing frame 82 is arranged above the bottom plate 1, the third motor 81 is arranged in front of the second bearing frame 82, two rotating shafts 83 are arranged behind the third motor 81, a first gear 84 and a second gear 85 are respectively sleeved on the upper rotating shaft 83 and the lower rotating shaft 83, the cooling box 86 is arranged at the lower end of the second gear 85, the refrigerating tube 87 is arranged inside the cooling box 86, the cooling plate 88 is arranged below the refrigerating tube 87, the blowing fan 89 is arranged below the cooling plate 88, the third motor 81 is connected with the second bearing frame 82 through bolts, the third motor 81 is connected with the rotating shaft 83 in a key way, the rotating shaft 83 is connected with the second bearing frame 82, the first gear 84 is meshed with the second gear 85, the lower end of the cooling box 86 is provided with a plurality of cooling heads, the rotating shafts 83 above the second motor 81 are driven by the third motor 81 to rotate, the rotating shafts 84 and the second gear 85 are utilized, the second gear 86 is meshed with the second gear 86, the second motor 86 is driven by the rotating shafts to rotate, the cooling heads are driven by the electronic devices to rotate, the electronic devices are driven by the second motor to rotate, the electronic devices to be in a large scale, the electronic devices can be cooled down the electronic devices can be cooled by the electronic devices, the electronic devices can be further cooled by the electronic devices, and the electronic devices can be cooled by the electronic devices, and can be further cooled by the electronic devices, and can be further cooled by the electronic devices.

Working principle: firstly, the device is moved to a place where the device needs to work through the universal wheel 2 below, then the threaded rod 64 is driven to rotate forwards through the kinetic energy of the second motor 63, the transmission effect of the belt 66 is utilized to drive the two threaded rods 64 to rotate simultaneously, then the two sides of the threaded rod 64 are driven to move oppositely through the opposite directions of the threads, further the clamping plates 65 on the two sides are driven to move oppositely, further a certain clamping and fixing effect is carried out on the bearing plate 95, then the hot pressing plate 92 is driven by the first electric push rod 91 to carry out hot pressing operation on a processing original piece on the lower bearing plate 95, then the threaded rod 64 is driven to rotate reversely through the kinetic energy of the second motor 63, further the clamping plates 65 on the two sides are driven to move oppositely, so that the clamping effect on the bearing plate 95 is broken away, then the sliding block is driven by the second electric push rod 94 to drive the bearing plate 95 to move downwards, so that the third gear 96 is meshed with the rack 97, the bearing plate 95 is driven to rotate, the formed electronic connector housing on the bearing plate 95 falls onto the lower conveyor belt 5 to be conveyed, the air suction heads at the lower ends of the air suction pipes 74 at the two sides are driven by the air pump 73 to absorb the polluted gas generated in the production process of the electronic connector housing during the hot pressing operation, then the polluted gas is discharged into the purifying box 71 through the air outlet pipe 72, then the polluted gas is purified through the action of the activated carbon net 75, finally the transmission shaft 3 is driven to rotate through the kinetic energy of the first motor 4, the conveyor belt 5 is driven to drive, the electronic connector housing after the hot pressing is conveyed to the lower side of the cooling mechanism 8, the upper rotating shaft 83 is driven to rotate through the kinetic energy of the third motor 81, the first gear 84 and the second gear 85 are utilized to be meshed, the lower rotating shaft 83 is driven to rotate, and then drive the cooling box 86 of lower extreme and rotate to can realize carrying out the cooling of large tracts of land to the electron plug connector shell, the inside refrigeration pipe 87 effect of rethread cooling box 86, the air conditioning that gives off is given off through cooling plate 88, then in the effect through blowing fan 89, carries the air conditioning to a plurality of cooling heads of lower extreme, carries out cooling plasticity to the electron plug connector shell of below, carries next workstation through conveyer belt 5 at last and handles.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (10)

1. The utility model provides a shell forming device for production electron plug connector, includes bottom plate (1), universal wheel (2), transmission shaft (3), first motor (4), conveyer belt (5), be used for carrying out fixture (6) of centre gripping to production electron plug connector shell mould, be used for carrying out purifying mechanism (7) to the polluted gas that produces in the production electron plug connector shell, be used for carrying out cooling body (8) of cooling body after the shaping electron plug connector shell, bottom plate (1) below is encircleed and is provided with four universal wheel (2), first motor (4) set up bottom plate (1) front side, transmission shaft (3) set up first motor (4) rear side, conveyer belt (5) are installed the transmission shaft (3) outside, fixture (6) are located bottom plate (1) top, purifying mechanism (7) are located fixture (6) top, cooling body (8) are located fixture (6) one side, its characterized in that: the hot press mechanism (9) is used for hot press forming of the shell of the production electronic plug connector, and the hot press mechanism (9) is positioned in the middle of the clamping mechanism (6);

the hot pressing mechanism (9) comprises a first electric push rod (91), a hot pressing plate (92), a heating pipe (93), a second electric push rod (94), a bearing plate (95), a third gear (96) and a rack (97), wherein the first electric push rod (91) is positioned in the middle of the clamping mechanism (6), the hot pressing plate (92) is arranged at the lower end of the first electric push rod (91), the heating pipe (93) is arranged inside the hot pressing plate (92), the bearing plate (95) is arranged below the hot pressing plate (92), sliding blocks are respectively arranged at the front end and the rear end of the lower end of the bearing plate (95), the third gear (96) is sleeved in front of the sliding blocks, the rack (97) is arranged at one side of the third gear (96), and the second electric push rod (94) is arranged at the upper end of the sliding blocks.

2. The housing forming apparatus for producing an electronic plug according to claim 1, wherein: the clamping mechanism (6) comprises a first bearing frame (61), a connecting frame (62), a second motor (63), a threaded rod (64), a clamping plate (65) and a belt (66), wherein the first bearing frame (61) is arranged above the bottom plate (1), the connecting frame (62) is arranged on the front side and the rear side of the first bearing frame (61), the second motor (63) is arranged on one side of the connecting frame (62), the threaded rod (64) is arranged on one side of the second motor (63), the clamping plate (65) is sleeved on two sides of the threaded rod (64), a belt pulley is sleeved on one side of the threaded rod (64), and the belt (66) is sleeved on the surface of the belt pulley.

3. A housing forming apparatus for producing an electronic plug according to claim 2, wherein: purifying mechanism (7) are including purifying box (71), outlet duct (72), air pump (73), exhaust tube (74), active carbon net (75), air pump (73) are located hot pressing mechanism (9) top, all install air pump (73) both sides exhaust tube (74), the air pump is installed to exhaust tube (74) lower extreme, purifying box (71) set up air pump (73) rear, purifying box (71) inside is provided with active carbon net (75), air pump (73) with be connected with between purifying box (71) outlet duct (72).

4. A housing forming apparatus for producing an electronic plug according to claim 2, wherein: the cooling mechanism (8) comprises a third motor (81), a second bearing frame (82), a rotating shaft (83), a first gear (84), a second gear (85), a cooling box (86), a refrigerating pipe (87), a cooling plate (88) and a blowing fan (89), wherein the second bearing frame (82) is arranged above the bottom plate (1), the third motor (81) is arranged in front of the second bearing frame (82), two rotating shafts (83) are arranged behind the third motor (81), the upper rotating shaft (83) and the lower rotating shaft (83) are respectively sleeved with the first gear (84) and the second gear (85), the cooling box (86) is arranged at the lower end of the second gear (85), the refrigerating pipe (87) is arranged inside the cooling box (86), the cooling plate (88) is arranged below the refrigerating pipe (87), and the blowing fan (89) is arranged below the cooling plate (88).

5. The housing forming apparatus for producing an electronic plug according to claim 4, wherein: the third motor (81) is connected with the second bearing frame (82) through bolts, the third motor (81) is connected with the rotating shaft (83) through keys, and the rotating shaft (83) is connected with the second bearing frame (82) in a rotating mode.

6. The housing forming apparatus for producing an electronic plug according to claim 4, wherein: the first gear (84) is meshed with the second gear (85), the second gear (85) is welded with the cooling box (86), and a plurality of cooling heads are arranged at the lower end of the cooling box (86).

7. The housing forming apparatus for producing an electronic plug according to claim 1, wherein: the third gear (96) is meshed with the rack (97), and the third gear (96) is welded with the bearing plate (95).

8. A housing forming apparatus for producing an electronic plug according to claim 2, wherein: the first bearing frame (61) is in sliding connection with the sliding block, the bearing plate (95) is in rotary connection with the sliding block, and the first bearing frame (61) and the connecting frame (62) are integrally formed.

9. A housing forming apparatus for producing an electronic plug according to claim 2, wherein: the second motor (63) is connected with the connecting frame (62) through a bolt, the second motor (63) is connected with the threaded rod (64) through a key, and the threaded rod (64) is rotatably connected with the connecting frame (62).

10. A housing forming apparatus for producing an electronic plug according to claim 2, wherein: the two sides of the threaded rod (64) are opposite in thread direction, the clamping plate (65) is in threaded connection with the threaded rod (64), and the clamping plate (65) is in sliding connection with the connecting frame (62).