CN117943991B - Frock clamp of processing gyration box - Google Patents

Abstract

The invention provides a fixture for machining a rotary box body, which belongs to the technical field of fixture, and comprises a first clamping part and a second clamping part, wherein the first clamping part comprises a first substrate provided with a bottom limiting table, a unidirectional limiting assembly and a multidirectional limiting assembly are arranged on the first substrate, the second clamping part comprises a second substrate provided with a point type limiting assembly, and a transverse clamping fixing assembly and a longitudinal clamping fixing assembly are arranged on the second substrate. This frock clamp of processing gyration box to the processing mode of twice clamping is processed the work piece to the structural feature of work piece under the twice processing state sets up corresponding clamping one portion and clamping two portions, can convenient stable carry out the clamping to the work piece under the corresponding state fixedly, can be abundant in addition expose the processing part, improves the convenience of processing, can be accurate simultaneously carries out the clamping to the work piece fixedly, has synthesized the stability of work piece course of working and the efficiency and the quality of processing.

Description

Frock clamp of processing gyration box

Technical Field

The invention relates to the technical field of tool clamps, in particular to a tool clamp for machining a rotary box body.

Background

The rotary box body is a box body structure capable of rotating around a horizontal axis, and is commonly used in the hoisting field, and factors such as strength, stability and precision of the integral structure of the rotary box body can directly influence the stability and accuracy of the work of the rotary box body, so that the rotary box body has certain requirements on the processing quality of the rotary box body, and in the processing process, the stability and efficiency of clamping are one of important factors influencing the processing quality and efficiency.

As shown in fig. 1, this a gyration box for harbour hoist and mount is needed to carry out the processing of front and back port and side port about in the in-process of processing, current frock clamp is difficult to stable carry out the clamping fixed to it, make it accomplish the processing of all ports at a clamping in-process, and if the processing of a lot of, the convenience that current frock clamp used is lower, and receive the influence of gyration box structure irregularity factor, after the gyration box switches clamping state, current anchor clamps are difficult to convenient stable to carry out the centre gripping to it, and then can influence gyration box course of working's stability and the efficiency of processing and the quality of processing.

Disclosure of Invention

The invention provides a fixture for processing a rotary box body, which aims at solving the problem that the quality and the processing efficiency of processing are affected by the difficulty in stably and conveniently clamping the rotary box body with a complex structure in the related art.

The invention provides a fixture for processing a rotary box body, which comprises a clamping part, wherein the clamping part comprises a first substrate provided with a bottom limiting table, a top limiting part is detachably connected to the bottom limiting table, a unidirectional limiting component and a multidirectional limiting component are arranged on the first substrate, the multidirectional limiting component comprises a base frame, a first limiting part and a second limiting part are arranged on the base frame, the first limiting part is symmetrically arranged and synchronously slides reversely, the second limiting part is fixedly arranged on the base frame and is positioned between the symmetrical first limiting parts, and a third limiting part and a locking part for locking the third limiting part are arranged on the first limiting part.

Clamping two parts, clamping two parts is including setting up the base plate second of the spacing subassembly of point type, and the spacing subassembly of at least two sets of and every group point type has two spacing points at least, and two sets of spacing subassembly of point type provide four spacing point work pieces at least and carry out preliminary spacing of accepting, are provided with horizontal centre gripping fixed subassembly and vertical centre gripping fixed subassembly on the base plate second.

In one possible implementation mode, the bottom limiting table is further provided with a secondary limiting assembly, the secondary limiting assembly comprises a longitudinal sliding part provided with limiting columns, the bottom limiting table is vertically and slidably connected with a conversion part with an inclined limiting groove, the conversion part is vertically movably inserted on the longitudinal sliding part, the limiting columns penetrate through the inclined limiting grooves, inclined surface grooves are symmetrically formed in the top of the conversion part, limiting rods are symmetrically arranged on the bottom limiting table, and one ends of the limiting rods, corresponding to the inclined surface grooves one by one, of the limiting rods slide along the corresponding inclined surface grooves.

In one possible implementation manner, the bottom limiting table comprises a fixed part and a contact sleeve rotationally connected with the fixed part, and the limiting rod is connected with a tight abutting block for limiting the contact sleeve.

In one possible implementation manner, the point type limiting assembly comprises limiting seats, wherein the limiting seats are symmetrically distributed, and the limiting seats are connected with receiving rods with end portions forming limiting points in a threaded manner.

In one possible implementation manner, the transverse clamping and fixing assembly comprises a first fixing seat symmetrically arranged in the transverse direction, a first locking piece with a frustum-shaped limiting end is arranged on the first fixing seat in a transverse movement mode, the first locking piece is in threaded connection with the first fixing seat and is simultaneously in rotary connection with the frustum-shaped limiting end, the frustum-shaped limiting end is in sliding connection with the first fixing seat, and an end face limiting ring is arranged at the frustum-shaped limiting end in a limiting sliding mode.

In one possible implementation manner, the longitudinal clamping and fixing assembly comprises a second fixing seat symmetrically arranged in the longitudinal direction, a second locking piece is longitudinally connected to the second fixing seat in a threaded mode, and an arc-shaped limiting piece is arranged at the end portion of the second locking piece.

The above technical solutions in the embodiments of the present invention have at least one of the following technical effects:

1. According to the tool clamp for machining the rotary box body, the workpiece is machined in a twice-clamping machining mode, and the corresponding first clamping part and the corresponding second clamping part are arranged according to the structural characteristics of the workpiece in the twice-machining state, so that the workpiece in the corresponding state can be clamped and fixed conveniently and stably, the machining part can be fully exposed, a sufficient machining space is provided for a machining mechanism, machining convenience is improved, the workpiece can be clamped and fixed accurately, workpiece clamping convenience and stability are improved integrally and effectively, and stability of the workpiece machining process, machining efficiency and machining quality are improved correspondingly and comprehensively.

2. According to the tool clamp for machining the rotary box body, in the first machining state, the workpiece is initially limited through the bottom limiting table, then the workpiece is locally limited in four directions, namely front, back, left and right, and finally the workpiece is reinforced and fixed from the right side and the top, so that the precision and the stability of workpiece clamping are effectively improved, the convenience of the whole clamping process is high, and the clamping work can be conveniently and rapidly completed.

3. According to the tool clamp for machining the rotary box body, provided by the embodiment of the invention, the workpiece is rapidly and conveniently positioned secondarily by the secondary limiting assembly in the workpiece clamping process, so that the precision and stability of the workpiece are further improved, and the stability and precision of machining are correspondingly improved.

4. According to the tool clamp for machining the rotary box body, provided by the embodiment of the invention, in the second machining state, the workpiece is initially limited and supported by the limiting support points, and simultaneously the workpiece is limited and clamped and fixed by combining the transverse clamping and fixing assembly and the longitudinal clamping and fixing assembly, so that the stability of workpiece clamping and fixing is improved, and the whole clamping process is simple and convenient, and clamping work is easy and fast to finish.

Drawings

Fig. 1 is a schematic diagram of a rotary case.

Fig. 2 is a schematic structural view of a clamping part of a fixture for machining a rotary box according to an embodiment of the present invention.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a schematic structural diagram of a front view angle of two clamping parts of a tool clamp for machining a rotary box body according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a rear view angle of two clamping parts of a tool clamp for machining a rotary box body according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a secondary limiting assembly of a tool fixture for machining a rotary box body according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a longitudinal sliding member and a conversion member of a tool fixture for machining a rotary box body according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of a limiting rod and an inclined limiting groove of a tool clamp for machining a rotary box body according to an embodiment of the invention.

In the figure: 1. clamping a first part; 2. clamping the second part; 3. a base station; 101. a bottom limit table; 102. a first substrate; 103. a top stop; 104. a one-way limit assembly; 105. a multi-directional limit assembly; 106. a secondary limiting component; 111. a fixing portion; 121. a contact sleeve; 131. a tightening block; 114. a fixing frame; 124. locking the column; 115. a base frame; 125. a first limiting piece; 135. a second limiting piece; 145. a third limiting piece; 155. a locking member; 116. a limit column; 126. a longitudinal slide; 136. an inclined limit groove; 146. a conversion member; 156. an inclined surface groove; 166. a limit rod; 176. a control lever; 201. a point-type limiting assembly; 202. a second substrate; 203. a transverse clamping and fixing assembly; 204. a longitudinal clamping and fixing assembly; 211. a limit seat; 221. a receiving rod; 213. a first fixing seat; 223. a first locking piece; 233. an end surface limiting ring; 214. a second fixing seat; 224. a second locking piece; 234. arc-shaped limiting pieces.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described below and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.

Referring to fig. 1-3 and fig. 5, a tool fixture for machining a rotary box body comprises a first clamping part 1, a second clamping part 2 and a base 3, wherein the first clamping part 1 is designed to clamp and fix a first workpiece machining state, as shown in fig. 2, after the first clamping part 1 clamps and fixes the rotary box body (hereinafter referred to as a workpiece), front and rear ports and left ports of the workpiece are fully exposed, so that machining is conveniently performed on the three parts, and meanwhile, the second clamping part 2 is designed to clamp and fix a second workpiece machining state, as shown in fig. 4, after the workpiece is clamped and fixed by the second clamping part 2, the upper and lower ports of the workpiece are turned to front and rear positions and are fully exposed, so that machining is conveniently performed on the two parts, the first clamping part 1 and the second clamping part 2 are both installed on the base 3 at different times during working, the first clamping part 1 and the second clamping part 2 share the base 3, thereby being beneficial to setting uniform references, improving machining precision, and the clamping precision of the first clamping part 1 and the second clamping part 2 are fully exposed according to the corresponding states of the workpiece, and being convenient for machining and stable, and stable in machining quality, and high in machining quality.

Referring to fig. 2 and 3, a clamping part 1 comprises a first substrate 102 provided with a bottom limiting table 101, a top limiting member 103 is detachably connected to the bottom limiting table 101, a unidirectional limiting member 104 and a multidirectional limiting member 105 are arranged on the first substrate 102, the multidirectional limiting member 105 comprises a base frame 115, a first limiting member 125 and a second limiting member 135 are arranged on the base frame 115, the first limiting member 125 is symmetrically arranged and synchronously slides reversely, the second limiting member 135 is fixedly arranged on the base frame 115 and is positioned between the symmetrical first limiting members 125, a third limiting member 145 and a locking member 155 for locking the third limiting member 145 are arranged on the first limiting member 125, during clamping, a workpiece is firstly placed on the first substrate 102 in a state of fig. 2, and an end mask at the lower side of the workpiece performs preliminary limiting on the bottom limiting table 101, then the first limiting part 125 slides inwards synchronously to limit the workpiece from front and back sides, as shown in fig. 3, the first limiting part 125 is a sliding block fixedly provided with a contact column, synchronous movement of the first symmetrical limiting part 125 is controlled by a bidirectional screw rod arranged on the base frame 115 (as shown in fig. 3), then the third limiting part 145 is locked by the locking part 155, so that the third limiting part 145 limits part of the workpiece from the right side, as shown in fig. 3, the third limiting part 145 limits the workpiece from the right side, and meanwhile, the second limiting part 135 just limits the workpiece from the left side, and the first limiting part 125, the second limiting part 135 and the third limiting part 145 limit the workpiece from front, back and left and right directions simultaneously, and then the unidirectional limiting assembly 104 locks and reinforces the workpiece from the rightmost side again, as shown in fig. 2. The unidirectional limiting assembly 104 comprises a fixed frame 114 which is arranged in a front-back symmetrical mode, and locking posts 124 are connected to the fixed frame 114 in a threaded mode. Finally, the top limiting part 103 locks the workpiece from the top, so that the workpiece can be stably and accurately clamped, the whole clamping part 1 is clamped and fixed fully according to the structural characteristics of the workpiece in the first machining state, the stability of clamping and fixing is effectively improved, the machining part is fully exposed, the machining convenience is improved, and the whole clamping and fixing process only needs to rapidly finish locking work for several times, so that the clamping and fixing device is simple, convenient and easy to operate.

Referring to fig. 2, 3, 6, 7 and 8, the secondary limiting assembly 106 is further disposed on the bottom limiting platform 101, the secondary limiting assembly 106 includes a longitudinal sliding member 126 provided with limiting posts 116, the longitudinal sliding member 126 is slidably connected to the first substrate 102 in a front-rear direction, the bottom limiting platform 101 is vertically slidably connected with a conversion member 146 with an inclined limiting slot 136, the conversion member 146 is vertically movably inserted into the longitudinal sliding member 126, the limiting posts 116 penetrate through the inclined limiting slot 136, inclined slots 156 are symmetrically disposed at the top of the conversion member 146, limiting rods 166 are symmetrically disposed on the bottom limiting platform 101 in a front-rear direction, one end of each limiting rod 166 corresponds to each inclined slot 156 in a one-to-one direction, one end of each limiting rod 166 slides along the corresponding inclined slot 156, a control rod 176 is rotatably connected to the longitudinal sliding member 126, the control rod 176 is in threaded connection with the first substrate 102, the first limiting member 125, the second limiting member 135 and the third limiting member 145 simultaneously limit the workpiece in the front-back direction and the left-right direction, the limiting rod 166 synchronously and reversely moves outwards to abut against the inner wall of the port on the lower side of the workpiece to secondarily position the workpiece, the precision of the position of the workpiece is further improved, the limiting rod 166 synchronously and reversely moves, the operation can be completed only by rotating the control rod 176 from the front side, the longitudinal sliding member 126 can slide forwards conveniently and conveniently by rotating the control rod 176 forwards, the limiting column 116 on the limiting rod 176 cooperates with the inclined limiting groove 136 to drive the conversion member 146 to move upwards, and the limiting rod 166 is synchronously driven to slide outwards in the front-back direction through the inclined groove 156, so that the limiting rod 166 synchronously slides inwards in the front-back direction by rotating the control rod 176 reversely.

Referring to fig. 6 and 7, the bottom limiting table 101 includes a fixing portion 111 and a contact sleeve 121 rotationally connected with the fixing portion 111, in the clamping process, an end mask at the lower side of a workpiece is directly contacted with the contact sleeve 121 when on the bottom limiting table 101, in the next limiting and clamping process, the position of the workpiece can be flexibly and finely adjusted through the rotationally connected contact sleeve 121, so that the smoothness of clamping work is improved, a tightening block 131 for limiting the contact sleeve 121 is fixedly connected to a limiting rod 166, the tightening surface of the tightening block 131 is arc-shaped and is in front-back sliding connection on the fixing portion 111, and is simultaneously located at the inner side of the contact sleeve 121, when the limiting rod 166 synchronously moves outwards, the tightening block 131 synchronously outwards and is abutted against the inner side wall of the contact sleeve 121, and then the tightening block 121 is stably located at the current position in the secondary positioning process, so that the stability of workpiece clamping is improved. The top stopper 103 is composed of a hydraulic rod connected to the fixed portion 111 and a pressure plate detachably mounted to a pushing end of the hydraulic rod by a bolt.

Referring to fig. 4 and 5, the clamping portion 2 includes a substrate two 202 provided with a point type limiting component 201, at least two groups of point type limiting components 201 have at least two limiting points, the two groups of point type limiting components 201 have at least four limiting points, the substrate two 202 is provided with a transverse clamping fixing component 203 and a longitudinal clamping fixing component 204, the two groups of point type limiting components 201 are distributed front and back, the two groups of point type limiting components 201 respectively include limiting seats 211, the limiting seats 211 are distributed left and right symmetrically, the limiting seats 211 are connected with a receiving rod 221 with end portions forming limiting points in a threaded manner, but are influenced by the structure of a workpiece, the structure state of the front point type limiting component 201 is different from the structure state of the rear point type limiting component 201, but the functions of the two are the same, as shown in fig. 4, the limiting seats 211 in the front point type limiting component 201 are distributed in an inclined manner, corresponding bearing rods 221 are also distributed in an inclined mode, the limiting seat 211 side in the point type limiting assembly 201 at the rear side is distributed horizontally, the corresponding bearing rods 221 are also distributed horizontally, in the machining process, only limiting points of the bearing rods 221 need to be set in the first clamping process, the bearing rods 221 support and limit the second machining state of the workpiece, in the subsequent clamping process, the bearing rods 221 keep the first clamping state, the workpiece is directly placed on the bearing rods to carry out the initial supporting and limiting, the clamping efficiency and convenience are effectively improved, as shown in fig. 5, in the subsequent clamping process, the workpiece is firstly directly placed on the point type limiting assembly 201, at this time, the four limiting supporting points are used for carrying out initial limiting support on the workpiece, then the transverse clamping fixing assembly 203 carries out limiting clamping on the workpiece from the left and right directions, the vertical clamping fixing assembly 204 is used for limiting and clamping the workpiece from the front and back directions, the workpiece is stably clamped, the machining part is fully exposed, machining of the workpiece is facilitated, the whole clamping process is convenient and fast, and the clamping stability is improved, so that the clamping convenience is improved.

Referring to fig. 4 and 5, the transverse clamping and fixing assembly 203 includes a fixing seat one 213 symmetrically disposed in a transverse direction, a limiting seat 211 is disposed at a side end of the fixing seat one 213, a locking member one 223 with a frustum-shaped limiting end is disposed on the fixing seat one 213 in a transverse movement manner, the locking member one 223 is in threaded rotation connection with the fixing seat one 213 and is simultaneously in rotation connection with the frustum-shaped limiting end, the frustum-shaped limiting end is slidably connected with the fixing seat one 213, an end surface limiting ring 233 is disposed at the frustum-shaped limiting end in a limiting sliding manner, during clamping and fixing process, the rotating locking member one 223 is fed into the frustum-shaped limiting end of a workpiece and is fed and locked in real time, the frustum-shaped limiting end is inserted into a corresponding port on the workpiece in a feeding process and automatically limits the workpiece, so that the accuracy of the workpiece position is improved, and when clamping and fixing is to be completed, the end surface contact and limiting of the end surface limiting ring 233 and the workpiece port are utilized for limiting, so that the stability of clamping and fixing is further improved.

Referring to fig. 4 and 5, the longitudinal clamping and fixing assembly 204 includes a second fixing seat 214 symmetrically arranged in the longitudinal direction, a second locking member 224 is longitudinally connected to the second fixing seat 214 in a threaded manner, an arc-shaped limiting member 234 is arranged at the end of the second locking member 224, the second locking member 224 clamps and limits a workpiece in the front-back direction, and the arc-shaped limiting member 234 is used for contacting and limiting a corresponding port of the workpiece, so that the stability of workpiece clamping and the precision of workpiece clamping are further improved.

In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or slidably connected; 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 invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle according to the present invention should be covered in the protection scope of the present invention.

Claims (5)

1. A frock clamp of processing gyration box, its characterized in that: the clamping device comprises a clamping first part (1), wherein the clamping first part (1) comprises a first base plate (102) provided with a bottom limiting table (101), a top limiting part (103) is detachably connected to the bottom limiting table (101), a unidirectional limiting component (104) and a multidirectional limiting component (105) are arranged on the first base plate (102), the multidirectional limiting component (105) comprises a base frame (115), a first limiting part (125) and a second limiting part (135) are arranged on the base frame (115), the first limiting part (125) is symmetrically arranged and synchronously slides reversely, the second limiting part (135) is fixedly arranged on the base frame (115) and is positioned between the symmetrical first limiting parts (125), and a third limiting part (145) and a locking part (155) for locking the third limiting part (145) are arranged on the first limiting part (125);

In the clamping process, a workpiece is firstly placed on a first base plate (102), an end mask at the lower side of the workpiece performs preliminary limiting on a bottom limiting table (101), then a first limiting piece (125) synchronously slides inwards to limit the workpiece from front and rear sides, the first limiting piece (125) is a sliding block fixedly provided with a contact column, synchronous movement of the first symmetrical limiting piece (125) is controlled by a bidirectional screw arranged on a base frame (115), and then a third limiting piece (145) is locked by a locking piece (155), so that the third limiting piece (145) limits part of the workpiece from the right side direction; the third limiting part (145) limits the workpiece from the right side, the second limiting part (135) just limits the workpiece from the left side, the first limiting part (125), the second limiting part (135) and the third limiting part (145) limit the workpiece from the front, back, left and right directions, the unidirectional limiting assembly (104) locks and reinforces the workpiece again from the rightmost side, the unidirectional limiting assembly (104) comprises a fixing frame (114) which is arranged in a front-back symmetrical mode, locking columns (124) are connected to the fixing frame (114) in a threaded mode, and finally the top limiting part (103) locks the workpiece from the top;

The novel structure is characterized in that the bottom limiting table (101) is further provided with a secondary limiting assembly (106), the secondary limiting assembly (106) comprises a longitudinal sliding part (126) provided with limiting columns (116), the bottom limiting table (101) is vertically and slidably connected with a conversion part (146) with an inclined limiting groove (136), the conversion part (146) is vertically and movably inserted into the longitudinal sliding part (126), the limiting columns (116) penetrate through the inclined limiting groove (136), inclined surface grooves (156) are symmetrically formed in the top of the conversion part (146), limiting rods (166) are symmetrically arranged on the bottom limiting table (101), one ends of the limiting rods (166) and the inclined surface grooves (156) are in one-to-one correspondence, the opposite ends of the limiting rods (166) slide along the corresponding inclined surface grooves (156), a control rod (176) is rotationally connected to the longitudinal sliding part (126), and the control rod (176) is in threaded connection with the first substrate (102);

the first limiting piece (125), the second limiting piece (135) and the third limiting piece (145) simultaneously limit the workpiece in the front-back direction and the left-right direction, the limiting rod (166) synchronously moves outwards reversely to abut against the inner wall of a port at the lower side of the workpiece to position the workpiece for the second time, the longitudinal sliding piece (126) can slide forwards by rotating the control rod (176) forwards, the limiting column (116) on the limiting rod and the inclined limiting groove (136) cooperate to drive the conversion piece (146) to move upwards, and then the limiting rod (166) is synchronously driven to slide outwards in the front-back direction by the inclined groove (156), and the limiting rod (166) synchronously slides inwards in the front-back direction by rotating the control rod (176) reversely;

Clamping two portions (2), clamping two portions (2) are including being provided with base plate two (202) of the spacing subassembly of point type (201), and at least two sets of just every spacing subassembly of point type (201) of the spacing subassembly of point type (201) have two spacing points at least, and two spacing subassembly (201) of point type provide four spacing points at least and carry out preliminary spacing of accepting to the work piece, are provided with on base plate two (202) and carry out spacing fixed horizontal centre gripping fixed subassembly (203) and vertical centre gripping fixed subassembly (204) to the work piece.

2. The tooling fixture for machining a rotary box according to claim 1, wherein: the bottom limiting table (101) comprises a fixing part (111) and a contact sleeve (121) rotationally connected with the fixing part (111), and a limiting rod (166) is connected with a supporting block (131) for limiting the contact sleeve (121).

3. The tooling fixture for machining a rotary box according to claim 1, wherein: the point type limiting assembly (201) comprises limiting seats (211), the limiting seats (211) are symmetrically distributed, and the limiting seats (211) are connected with bearing rods (221) with end portions forming limiting points in a threaded mode.

4. The tooling fixture for machining a rotary box according to claim 1, wherein: the transverse clamping and fixing assembly (203) comprises a first fixing seat (213) which is symmetrically arranged in the transverse direction, a first locking piece (223) with a frustum-shaped limiting end is arranged on the first fixing seat (213) in a transverse movement mode, the first locking piece (223) is in threaded rotation connection with the first fixing seat (213) and is simultaneously in rotation connection with the frustum-shaped limiting end, the frustum-shaped limiting end is in sliding connection with the first fixing seat (213), and an end face limiting ring (233) is arranged at the frustum-shaped limiting end in a limiting sliding mode.

5. A tool clamp for machining a rotary box according to claim 1 or 4, wherein: the longitudinal clamping and fixing assembly (204) comprises a second fixing seat (214) which is symmetrically arranged in the longitudinal direction, a second locking piece (224) is longitudinally connected to the second fixing seat (214) in a threaded mode, and an arc-shaped limiting piece (234) is arranged at the end portion of the second locking piece (224).